HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Baltimore to Seattle (BWI - SEA) from $123

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BWI — SEA
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Baltimore/Washington to Seattle/Tacoma Intl are usually found in January or February, booked 80 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Baltimore to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 16, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$247

One-way from

$144
High demand for flights, 24% potential price rise
Search Deals
Best time to find cheap flights, 19% potential price drop
Search Deals
From Baltimore/Washington to Seattle/Tacoma Intl
Search Deals
One-way flight from Baltimore/Washington to Seattle/Tacoma Intl
Search Deals

What is the cheapest day to fly round-trip from Baltimore to Seattle?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Baltimore to Seattle?

Travelers have found it’s best to book a flight 53 days in advance to save up to 61% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 53 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Baltimore to Seattle 1-2 weeks in advance for as low as $472, or $543 for flights within the next 24 hours.

What is the cheapest month to fly from Baltimore to Seattle?

The best pricing can be found in the month of January. Prices to Seattle from Baltimore average $407. You can even find prices in January for less than $407, as users have found deals to Seattle from as low as $139. The month of June appears to be one of the more expensive times to travel to Seattle from Baltimore. Flying in the targeted month can save you up to 31%.

When is the cheapest time to fly from Baltimore to Seattle (BWI - SEA)?

A simple way to save on the total cost of your ticket is to fly from Baltimore to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight in the afternoon.

Cheap Spirit Airlines flights from Baltimore to Seattle

Explore cheap flight options specifically provided by Spirit Airlines for the route between Baltimore and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Consider these cheap Spirit Airlines flights we've found departing from Baltimore to Seattle. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 6/1210:14 pmBWI - SEA
1 stop13h 18mSpirit Airlines
Wed 6/199:28 amSEA - BWI
2 stops28h 03mSpirit Airlines
Deal found 5/15$254
Wed 6/1210:14 pmBWI - SEA
1 stop13h 18mSpirit Airlines
Thu 6/209:32 pmSEA - BWI
1 stop7h 56mSpirit Airlines
Deal found 5/15$255
Fri 5/319:20 pmBWI - SEA
1 stop14h 25mSpirit Airlines
Mon 6/39:40 pmSEA - BWI
1 stop12h 53mSpirit Airlines
Deal found 5/16$259
Tue 7/93:19 pmBWI - SEA
1 stop8h 32mSpirit Airlines
Fri 7/129:41 pmSEA - BWI
1 stop7h 39mSpirit Airlines
Deal found 5/15$261
Tue 6/412:31 pmBWI - SEA
2 stops23h 01mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
1 stop8h 13mSpirit Airlines
Deal found 5/15$265
Sun 6/22:18 pmBWI - SEA
3 stops33h 11mSpirit Airlines
Wed 6/58:59 pmSEA - BWI
1 stop8h 55mSpirit Airlines
Deal found 5/15$266
Tue 6/1112:54 pmBWI - SEA
2 stops22h 38mSpirit Airlines
Mon 6/178:59 pmSEA - BWI
1 stop8h 46mSpirit Airlines
Deal found 5/15$270
Sat 5/259:20 pmBWI - SEA
1 stop14h 25mSpirit Airlines
Wed 5/299:40 pmSEA - BWI
1 stop12h 48mSpirit Airlines
Deal found 5/15$272
Mon 6/179:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Mon 6/248:59 pmSEA - BWI
2 stops20h 20mSpirit Airlines
Deal found 5/15$273

Cheap Delta flights from Baltimore to Seattle

Explore cheap flight options specifically provided by Delta for the route between Baltimore and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a gander at the lowest prices we've found on Delta flights from Baltimore to Seattle. Deals frequently update to provide users with more options.
Sun 5/266:00 amBWI - SEA
1 stop7h 40mDelta
Tue 5/2812:40 amSEA - BWI
1 stop7h 19mDelta
Deal found 5/15$258
Wed 7/2412:08 pmBWI - SEA
1 stop10h 14mDelta
Tue 7/309:20 pmSEA - BWI
1 stop8h 34mDelta
Deal found 5/15$260
Mon 5/276:00 amBWI - SEA
1 stop7h 40mDelta
Tue 6/412:40 amSEA - BWI
1 stop7h 19mDelta
Deal found 5/15$285
Mon 6/36:16 pmBWI - SEA
1 stop7h 09mDelta
Tue 6/117:13 pmSEA - BWI
1 stop7h 37mDelta
Deal found 5/15$297
Mon 5/276:00 amBWI - SEA
1 stop7h 40mDelta
Sat 6/15:09 pmSEA - BWI
1 stop9h 30mDelta
Deal found 5/15$312
Sun 5/266:00 amBWI - SEA
1 stop7h 40mDelta
Tue 5/285:09 pmSEA - BWI
1 stop9h 30mDelta
Deal found 5/15$324
Mon 5/276:00 amBWI - SEA
1 stop7h 40mDelta
Wed 5/296:10 amSEA - BWI
1 stop8h 02mDelta
Deal found 5/15$338
Tue 5/216:00 amBWI - SEA
1 stop7h 42mDelta
Sun 5/267:10 amSEA - BWI
1 stop7h 33mDelta
Deal found 5/15$378
Tue 5/216:00 amBWI - SEA
1 stop7h 42mDelta
Sat 5/2511:09 pmSEA - BWI
1 stop8h 46mDelta
Deal found 5/15$417

Cheap Baltimore to Seattle flights in May & June 2024

Find cheap flight options from Baltimore to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Scroll through some of the best deals on flights from Baltimore to Seattle in 2024. Check back soon for alternative fares.
Mon 6/109:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
1 stop8h 13mSpirit Airlines
Deal found 5/15$136
Tue 6/119:38 pmBWI - SEA
1 stop13h 54mSpirit Airlines
Mon 6/178:59 pmSEA - BWI
1 stop8h 46mSpirit Airlines
Deal found 5/15$174
Wed 6/57:09 pmBWI - SEA
2 stops29h 56mMultiple Airlines
Tue 6/119:41 pmSEA - BWI
1 stop14h 14mMultiple Airlines
Deal found 5/15$175
Mon 6/109:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
2 stops21h 33mSpirit Airlines
Deal found 5/15$182
Mon 6/109:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
2 stops20h 18mSpirit Airlines
Deal found 5/16$187
Thu 6/61:39 pmBWI - SEA
1 stop8h 14mMultiple Airlines
Tue 6/119:41 pmSEA - BWI
1 stop8h 13mMultiple Airlines
Deal found 5/14$191
Mon 6/109:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
3 stops21h 33mSpirit Airlines
Deal found 5/15$192
Mon 6/39:20 pmBWI - SEA
1 stop14h 25mSpirit Airlines
Mon 6/108:59 pmSEA - BWI
1 stop14h 30mSpirit Airlines
Deal found 5/16$194
Fri 5/3112:33 pmBWI - SEA
1 stop23h 49mMultiple Airlines
Tue 6/49:40 pmSEA - BWI
1 stop14h 15mMultiple Airlines
Deal found 5/15$197

Baltimore to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Baltimore and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Scroll through some of the best deals on flights from Baltimore to Seattle in 2024. Check back soon for alternative fares.
Mon 6/109:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
1 stop8h 13mSpirit Airlines
Deal found 5/15$136
Wed 8/219:27 pmBWI - SEA
1 stop14h 18mSpirit Airlines
Wed 8/285:00 pmSEA - BWI
1 stop10h 50mSpirit Airlines
Deal found 5/15$170
Tue 8/209:27 pmBWI - SEA
1 stop14h 18mSpirit Airlines
Mon 8/269:12 pmSEA - BWI
1 stop13h 21mSpirit Airlines
Deal found 5/14$173
Tue 6/119:38 pmBWI - SEA
1 stop13h 54mSpirit Airlines
Mon 6/178:59 pmSEA - BWI
1 stop8h 46mSpirit Airlines
Deal found 5/15$174
Wed 6/57:09 pmBWI - SEA
2 stops29h 56mMultiple Airlines
Tue 6/119:41 pmSEA - BWI
1 stop14h 14mMultiple Airlines
Deal found 5/15$175
Wed 8/212:25 pmBWI - SEA
1 stop8h 56mSpirit Airlines
Wed 8/285:00 pmSEA - BWI
1 stop10h 50mSpirit Airlines
Deal found 5/16$176
Wed 8/288:00 amBWI - SEA
1 stop11h 08mSpirit Airlines
Wed 9/45:00 pmSEA - BWI
1 stop20h 00mSpirit Airlines
Deal found 5/15$177
Mon 6/109:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
2 stops21h 33mSpirit Airlines
Deal found 5/15$182
Mon 6/109:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
2 stops20h 18mSpirit Airlines
Deal found 5/16$187

Non-stop flights to Seattle from Baltimore

Discover non-stop flight options from Baltimore to Seattle. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
For a quicker trip, book one of these direct flights from Baltimore to Seattle. Search for alternative flights from Baltimore to Seattle by utilizing the search form above.
Tue 9/36:59 pmBWI - SEA
Nonstop5h 41mAlaska Airlines
Wed 9/119:51 amSEA - BWI
Nonstop5h 02mAlaska Airlines
Deal found 5/15$317
Sat 8/246:59 pmBWI - SEA
Nonstop5h 41mAlaska Airlines
Wed 9/49:51 amSEA - BWI
Nonstop5h 02mAlaska Airlines
Deal found 5/15$327
Wed 6/56:59 pmBWI - SEA
Nonstop5h 41mAlaska Airlines
Tue 6/119:40 pmSEA - BWI
Nonstop5h 00mAlaska Airlines
Deal found 5/15$337
Fri 9/66:59 pmBWI - SEA
Nonstop5h 41mAlaska Airlines
Tue 9/109:37 pmSEA - BWI
Nonstop5h 00mAlaska Airlines
Deal found 5/15$347
Mon 8/266:59 pmBWI - SEA
Nonstop5h 41mAlaska Airlines
Sat 8/319:37 pmSEA - BWI
Nonstop5h 00mAlaska Airlines
Deal found 5/16$357
Mon 8/196:59 pmBWI - SEA
Nonstop5h 50mAlaska Airlines
Wed 8/289:37 pmSEA - BWI
Nonstop5h 00mAlaska Airlines
Deal found 5/15$364
Tue 9/177:08 amBWI - SEA
Nonstop5h 43mAlaska Airlines
Mon 9/239:37 pmSEA - BWI
Nonstop5h 00mAlaska Airlines
Deal found 5/16$367
Sat 6/86:59 pmBWI - SEA
Nonstop5h 41mAlaska Airlines
Sat 6/159:50 pmSEA - BWI
Nonstop4h 58mAlaska Airlines
Deal found 5/16$377
Wed 6/56:59 pmBWI - SEA
Nonstop5h 41mAlaska Airlines
Tue 7/29:50 pmSEA - BWI
Nonstop4h 58mAlaska Airlines
Deal found 5/15$384

Baltimore to Seattle flights leaving soon

Find last-minute flight options from Baltimore to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Consider one of these great deals we found on last-minute flights from Baltimore to Seattle. Users should be sure to double check the price, date, and time of their last-minute flight.
Sun 5/266:00 amBWI - SEA
1 stop7h 40mDelta
Mon 5/276:00 amSEA - BWI
1 stop7h 44mDelta
Deal found 5/15$258
Sun 5/266:30 amBWI - SEA
2 stops36h 30mMultiple Airlines
Wed 6/59:28 amSEA - BWI
1 stop26h 01mMultiple Airlines
Deal found 5/15$264
Sat 5/259:20 pmBWI - SEA
1 stop14h 25mSpirit Airlines
Wed 5/299:40 pmSEA - BWI
1 stop12h 48mSpirit Airlines
Deal found 5/15$272
Sat 5/256:47 pmBWI - SEA
2 stops16h 58mSpirit Airlines
Wed 5/299:40 pmSEA - BWI
2 stops21h 59mSpirit Airlines
Deal found 5/14$275
Sat 5/259:20 pmBWI - SEA
1 stop14h 25mSpirit Airlines
Wed 6/58:59 pmSEA - BWI
1 stop14h 30mSpirit Airlines
Deal found 5/16$283
Sun 5/266:00 amBWI - SEA
1 stop7h 40mDelta
Wed 5/2912:40 amSEA - BWI
1 stop7h 19mDelta
Deal found 5/16$285
Sat 5/255:25 pmBWI - SEA
2 stops18h 20mSpirit Airlines
Wed 5/299:40 pmSEA - BWI
1 stop12h 48mSpirit Airlines
Deal found 5/15$291
Sat 5/259:20 pmBWI - SEA
1 stop14h 25mMultiple Airlines
Tue 5/288:14 pmSEA - BWI
1 stop20h 28mMultiple Airlines
Deal found 5/16$295
Sat 5/256:59 pmBWI - SEA
1 stop15h 05mFrontier
Wed 5/298:34 amSEA - BWI
1 stop8h 08mFrontier
Deal found 5/15$296

One-way flights to Seattle from Baltimore

Search for one-way flight options from Baltimore to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Users in need of a one-way flight from Baltimore to Seattle can choose from these deals. Users in need of a round-trip flight from Baltimore to Seattle instead should update the search form at the top of page.
Wed 5/298:42 pmBWI - SEA
1 stop14h 48mFrontier
Deal found 5/16$123
Wed 5/298:20 amBWI - SEA
3 stops35h 40mMultiple Airlines
Deal found 5/14$124
Tue 7/29:38 pmBWI - SEA
1 stop13h 54mSpirit Airlines
Deal found 5/15$126
Fri 6/79:28 pmBWI - SEA
1 stop13h 29mSpirit Airlines
Deal found 5/15$127
Sat 6/85:37 pmBWI - SEA
1 stop18h 33mFrontier
Deal found 5/16$128
Sun 5/266:00 amBWI - SEA
1 stop7h 40mDelta
Deal found 5/16$129
Fri 8/911:33 amBWI - SEA
1 stop14h 20mSun Country Air
Deal found 5/15$130
Sat 7/1311:33 amBWI - SEA
1 stop7h 59mSun Country Air
Deal found 5/15$131
Tue 6/2512:54 pmBWI - SEA
2 stops22h 38mSpirit Airlines
Deal found 5/15$132

Find flights from Baltimore to Seattle within your budget

Customize your flight search to find flights from Baltimore to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$254 - $387

Route

Depart

Return

Price

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Wed 6/12

1 stop13h 18m

Seattle/Tacoma Intl

Wed 6/19

2 stops28h 03m

$254

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Wed 6/12

1 stop13h 18m

Seattle/Tacoma Intl

Thu 6/20

1 stop7h 56m

$255

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Mon 6/17

1 stop14h 31m

Seattle/Tacoma Intl

Wed 6/26

1 stop13h 03m

$256

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Fri 6/7

3 stops22h 27m

Seattle/Tacoma Intl

Mon 6/10

1 stop14h 30m

$257

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Sun 5/26

1 stop7h 40m

Seattle/Tacoma Intl

Tue 5/28

1 stop7h 19m

$258

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Tue 8/13

2 stops10h 14m

Seattle/Tacoma Intl

Mon 8/19

1 stop9h 26m

$262

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Sat 7/6

1 stop16h 40m

Seattle/Tacoma Intl

Mon 7/8

1 stop23h 46m

$283

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Tue 7/9

1 stop7h 59m

Seattle/Tacoma Intl

Thu 7/11

1 stop13h 34m

$294

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Wed 6/12

Nonstop5h 41m

Seattle/Tacoma Intl

Mon 6/17

Nonstop4h 58m

$387

Flights are sorted by cheapest first

Deals found on 5/15

When is the best time to book a flight from Baltimore to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Seattle. Price data was last updated on May 10, 2024.
The best time to book flights from Baltimore to Seattle is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Baltimore to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Seattle. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Baltimore to Seattle flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Seattle by month

Plan your trip from Baltimore to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Baltimore to Seattle is currently $128 while a round-trip flight costs $278. Price data was last updated on May 12, 2024.

Currently, January is the cheapest month in which you can book a flight from Baltimore to Seattle (average of $247). Flying from Baltimore to Seattle in July is currently the most expensive (average of $407). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$247

February

$254

March

$288

April

$294

May

$318

June

$404

July

$407

August

$344

September

$278

October

$256

November

$258

December

$248

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

41 - 66.2 °F

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated May 16, 2024.
Peruse reviews from past customers who have flown with Spirit Airlines, Delta and American Airlines from Baltimore to Seattle to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,040 reviews
Check prices

Crew

8.7

Boarding

8.3

Entertainment

7.8

Food

7.3

Comfort

8.1

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
6,040 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Crew

8.7

Boarding

8.3

Entertainment

7.8

Food

7.3

Comfort

8.1

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.1
Very good
9,157 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Crew

8.7

Boarding

8.3

Entertainment

7.8

Food

7.3

Comfort

8.1

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
10,673 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Crew

8.7

Boarding

8.3

Entertainment

7.8

Food

7.3

Comfort

8.1

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
10,924 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Crew

8.7

Boarding

8.3

Entertainment

7.8

Food

7.3

Comfort

8.1

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.3
Good
14,514 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Crew

8.7

Boarding

8.3

Entertainment

7.8

Food

7.3

Comfort

8.1

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Baltimore to Seattle?

    To fly from Baltimore to Seattle, you need to book a flight from Baltimore/Washington (BWI) to Seattle/Tacoma Intl (SEA). Nonstop flights to Seattle/Tacoma Intl from Baltimore/Washington take 5h 41m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Baltimore/Washington to Seattle/Tacoma Intl offered by 9 different airlines.

  • Can I find flights from Baltimore to Seattle for under $300 on Cheapflights?

    Yes, there are multiple flights from Baltimore to Seattle for under $300. The cheapest flight booked recently is on Spirit Airlines for just $254, but on average you can expect to pay $263.

  • Are there nonstop flights from Baltimore to Seattle for under $400 on Cheapflights?

    Cheapflights has at least 20 direct flights from Baltimore to Seattle under $400. A good price for a nonstop flight from Baltimore to Seattle is less than $395.

  • Are there last-minute flights available from Baltimore to Seattle for under $300?

    There are currently 20+ open flights from Baltimore to Seattle within the next 7 days for less than $300.

  • What days are nonstop flights available from Baltimore to Seattle?

    Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Thursday, Friday.

  • How popular is this Baltimore to Seattle flight route?

    The Baltimore/Washington to Seattle/Tacoma Intl flight path was viewed by 18 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How many flights depart from Baltimore to Seattle on average per day?

    On average, you can expect to see 6 flights from Baltimore to Seattle a day.
    Morning (6am - Noon) - 50% of flight departures
    Evening (6pm - Midnight) - 50% of flight departures

  • How long is the flight from Baltimore to Seattle?

    For as low as $254, Spirit Airlines can have you in Seattle from Baltimore in 7h 40m. Baltimore and Seattle are separated by a distance of 2342 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Baltimore to Seattle round-trip?

    According to our current data, Spirit Airlines ($254), Delta ($258), and American Airlines ($262) offers the cheapest pricing from Baltimore to Seattle. Spirit Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Baltimore to Seattle one-way?

    One-way options have recently been found by users for as low as $123 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $126 and Delta from $129 one-way.

  • What are the most popular airlines that fly from Baltimore to Seattle?

    Undisclosed Carrier, American Airlines and Alaska Airlines are the most popular airlines when flying from Baltimore to Seattle.

  • What are the cheapest flights from Baltimore to Seattle?

    The cheapest flight price from Baltimore to Seattle is $158. On average you can expect to pay $958. The most popular route, (Baltimore/Washington - Seattle/Tacoma Intl), can usually be booked for $136.

  • What does BWI to SEA mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Baltimore/Washington Airport to Seattle/Tacoma Intl Airport flight would often be abbreviated as a BWI to SEA flight.

  • Where are the most common layover locations when flying from Baltimore to Seattle?

    Most of the time, Baltimore to Seattle flights that have layovers will stop in Chicago. Chicago is followed by Charlotte in terms of the most popular layover location on flights from Baltimore to Seattle.

  • What are some popular things to do or see while on a layover in Chicago?

    Most Chicago visitors opt to spend their time experiencing Grant Park, Magnificent Mile, and Wrigley Field. Grant Park, Magnificent Mile, and Wrigley Field are located about 16.2 mi, 15.5 mi, and 13.0 mi, respectively from Chicago O'Hare Intl. Travelers can rent a car at Chicago O'Hare Intl for an average daily rate of $55 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Charlotte?

    The majority of Charlotte visitors spend their time at Carowind, North Carolina Blumenthal Performing Arts Center, and NASCAR Hall of Fame. Carowind, North Carolina Blumenthal Performing Arts Center and NASCAR Hall of Fame are located about 8.2 mi, 5.8 mi, and 5.7 mi, respectively from Charlotte Douglas if you are interested in checking them out. Those looking to explore during their layover in Charlotte can rent a car from Charlotte Douglas for about $55 per day.

  • Where are the least popular layover locations for Baltimore to Seattle flights?

    Baltimore to Seattle flights have a layover in Minneapolis least often.

  • Can I find deals for flights from Baltimore to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Baltimore to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Baltimore to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Baltimore to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Baltimore to Seattle that include hotel bookings?

    Yes. In addition to deals on Baltimore to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Seattle.

  • Can I find deals for business class flights from Baltimore to Seattle?

    Yes. Cheapflights offers flight deals from Baltimore to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Baltimore to Seattle that allow pets onboard?

    Many airlines flying from Baltimore to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Baltimore to Seattle?

    Yes, you can often find last-minute deals on Baltimore to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Baltimore to Seattle flight deals updated?

    The Baltimore to Seattle flight deals you see on this page were last updated on 5/16.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

Dulles Intl to Seattle flights
Reagan-National to Seattle flights
Philadelphia to Seattle flights
Dulles Intl to Portland flights
Reagan-National to Portland flights
Baltimore to Portland flights
Philadelphia to Portland flights
Dulles Intl to Spokane flights
Reagan-National to Spokane flights
Baltimore to Spokane flights
Philadelphia to Spokane flights
Dulles Intl to Pasco flights
Reagan-National to Pasco flights
Baltimore to Pasco flights
Dulles Intl to Bellingham flights
Philadelphia to Bellingham flights
Philadelphia to Pasco flights
Baltimore to Bellingham flights
Reagan-National to Bellingham flights
Baltimore to Pullman flights
Dulles Intl to Pullman flights
Baltimore to Wenatchee flights
Dulles Intl to Wenatchee flights
Dulles Intl to Walla Walla flights
Philadelphia to Wenatchee flights
Baltimore to Walla Walla flights
Reagan-National to Pullman flights
Reagan-National to Wenatchee flights
Reagan-National to Walla Walla flights
Baltimore to Yakima flights
Dulles Intl to Yakima flights
Reagan-National to Yakima flights
Philadelphia to Pullman flights
Salisbury to Seattle flights
Philadelphia to Yakima flights

Top 8 airlines flying from Baltimore to Seattle

Discover the top 8 airlines that operate flights from Baltimore to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$255FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapest$119Average$196FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Sun Country AirCheapest$169Average$424FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
United AirlinesCheapest$169Average$433FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Spirit AirlinesCheapest$174Average$307FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapest$179Average$466FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$189Average$382FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$225Average$376FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Los Angeles to Amsterdam flights
Minneapolis to Las Vegas flights
San Francisco to Maui flights
Dallas to Toronto flights
San Diego to Boston flights
Florida to California flights
Denver to Fort Lauderdale flights
Jamaica to England flights
USA to Israel flights
New York to Dallas flights
Denver to Miami flights
Baltimore to Seoul flights

Search flights from Baltimore to Seattle by cabin class

Find flights from Baltimore to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Baltimore to Seattle

Find hourly flight availability from Baltimore to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 16, 2024.
1%of flight departuresEarly morningMidnight to 6 am
79%of flight departuresMorning6 am to noon
20%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Baltimore to Seattle

Explore weekly flight availability from Baltimore to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 16, 2024.
Sunday2daily flights
Monday2daily flights
Tuesday2daily flights
Wednesday1daily flight
Thursday2daily flights
Friday2daily flights
Saturday2daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Montes Claros
Flights to Girona Costa Brava
Flights to Naxos
Flights to Bourgas
Flights to Hyannis Barnstable
Flights to Samos
Flights to Reggio Calabria Tito Menniti
Flights to Devils Lake
Flights to Ningbo Lishe Intl
Flights to Pellston Emmet County
Flights to Provincetown
Flights to Cortez Montezuma County
Flights to Ohrid
Flights to Oran Es Senia
Flights to Menorca/Mahon
Flights to Hakodate
Flights to Ordu/Giresun
Flights to Laayoune Hassan I
Flights to Cornwall Newquay
Flights to Melilla
Flights to Rennes St Jacques
Flights to Parikia Paros
Flights to Constanţa Mihail Kogalniceanu
Flights to Miyakojima Hirara

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Baltimore to Seattle?

Cheapflights makes it easy to find Baltimore to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Baltimore to Seattle?

Millions of users choose and trust Cheapflights to book the best flight deals from Baltimore to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Baltimore to Seattle with no change fees?

Yes, we can. To see specific flights from Baltimore to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Baltimore to Seattle become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines