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Cheap flights from Philadelphia to Seattle (PHL - SEA) from $66

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 6/19. 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.
PHL — SEA
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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The best prices from Philadelphia to Seattle/Tacoma Intl are usually found in October or February, booked 63 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Philadelphia to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 30, 2024.

Popular in

July

Cheapest in

October

Round-trip from

$247

One-way from

$129
High demand for flights, 26% potential price rise
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Best time to find cheap flights, 26% potential price drop
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From Philadelphia to Seattle/Tacoma Intl
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One-way flight from Philadelphia to Seattle/Tacoma Intl
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What is the cheapest day to fly round-trip from Philadelphia to Seattle?

Users have found that flying from Philadelphia to Seattle on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Users have found that booking a flight from Philadelphia to Seattle at least 46 days early can save you up to 105% on average compared to booking a flight this week. If booking 46 days before your flight isn’t an option for you, users have found flights from Philadelphia to Seattle for as little as $514 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $818 for flights departing within the next 3 days.

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

The best pricing can be found in the month of October. Prices to Seattle from Philadelphia average $406. You can even find prices in October for less than $406, as users have found deals to Seattle from as low as $139. The month of July appears to be one of the more expensive times to travel to Seattle from Philadelphia. Flying in the targeted month can save you up to 35%.

What is the cheapest time of day to fly from PHL to SEA?

One of the essential ways to save on airfare from Philadelphia to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 15% on airfare.

Cheap American Airlines flights from Philadelphia to Seattle

Explore cheap flight options specifically provided by American Airlines for the route between Philadelphia 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 2,784,634 searches. Data last updated May 30, 2024.
Consider these cheap American Airlines flights we've found departing from Philadelphia to Seattle. Make sure to double check the flight details before booking.
Sat 9/712:08 pmPHL - SEA
1 stop11h 44mAmerican Airlines
Sat 9/148:00 amSEA - PHL
Nonstop5h 12mAmerican Airlines
Deal found 5/29$286
Tue 8/278:30 amPHL - SEA
Nonstop5h 57mAmerican Airlines
Tue 9/311:38 pmSEA - PHL
Nonstop5h 07mAmerican Airlines
Deal found 5/29$287
Sat 8/317:04 pmPHL - SEA
Nonstop6h 10mAmerican Airlines
Sun 9/88:00 amSEA - PHL
Nonstop5h 12mAmerican Airlines
Deal found 5/29$332

  • If you’re traveling from Philadelphia to Seattle, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $417.00 RT. This price is typically 69% more expensive than other airlines that offer Philadelphia to Seattle flights. When booking this route, the cheapest RT price found was $159. The most popular departure airport in Philadelphia when flying to Seattle is Philadelphia Airport. The most popular airport to fly into when visiting Seattle is Seattle/Tacoma Intl Airport. When flying from Philadelphia to Seattle, American Airlines flights are 11% more popular than any other airline flying that same route.

Cheap Delta flights from Philadelphia to Seattle

Explore cheap flight options specifically provided by Delta for the route between Philadelphia 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 2,784,634 searches. Data last updated May 30, 2024.
To aid your search, here are some of the cheapest Delta flights we've found from Philadelphia to Seattle. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Sat 9/215:02 pmPHL - SEA
1 stop9h 54mDelta
Fri 9/2712:30 amSEA - PHL
1 stop7h 05mDelta
Deal found 5/29$306
Thu 9/193:10 pmPHL - SEA
1 stop7h 56mDelta
Wed 9/255:15 pmSEA - PHL
1 stop9h 22mDelta
Deal found 5/30$326
Tue 11/125:15 pmPHL - SEA
1 stop9h 16mDelta
Tue 12/39:55 pmSEA - PHL
1 stop8h 19mDelta
Deal found 5/29$336

  • One of the most popular airlines traveling from Philadelphia to Seattle is Delta. Flights from Delta traveling this route typically cost $426.40 RT. This price is typically 72% cheaper than other airlines that offer Philadelphia to Seattle flights. When booking this route, the cheapest RT price found was $189. Philadelphia Airport is the most common Philadelphia airport to take off from when flying to Seattle. Seattle/Tacoma Intl Airport is the most popular arrival airport in Seattle. When flying from Philadelphia to Seattle, Delta flights are 3% more popular than any other airline flying that same route.

Cheap Philadelphia to Seattle flights in May & June 2024

Find cheap flight options from Philadelphia 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 2,784,634 searches. Prices were last updated on May 30, 2024.
Scroll through some of the best deals on flights from Philadelphia to Seattle in 2024. Check back soon for alternative fares.
Wed 6/193:45 pmPHL - SEA
2 stops19h 47mSpirit Airlines
Tue 6/259:49 amSEA - PHL
1 stop17h 01mSpirit Airlines
Deal found 5/29$177
Wed 6/263:45 pmPHL - SEA
2 stops19h 47mMultiple Airlines
Mon 7/111:59 pmSEA - PHL
1 stop7h 50mMultiple Airlines
Deal found 5/29$181
Sat 6/88:30 pmPHL - SEA
1 stop15h 40mFrontier
Wed 6/129:41 pmSEA - PHL
1 stop28h 55mFrontier
Deal found 5/29$183
Sat 6/88:30 pmPHL - SEA
1 stop15h 40mFrontier
Tue 6/119:41 amSEA - PHL
1 stop23h 01mFrontier
Deal found 5/29$185
Sat 6/88:30 pmPHL - SEA
1 stop15h 40mMultiple Airlines
Tue 6/115:20 pmSEA - PHL
1 stop14h 23mMultiple Airlines
Deal found 5/29$186
Sat 6/88:30 pmPHL - SEA
1 stop15h 40mFrontier
Tue 6/119:41 amSEA - PHL
1 stop16h 55mFrontier
Deal found 5/30$190
Tue 6/258:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Mon 7/18:59 pmSEA - PHL
2 stops19h 13mSpirit Airlines
Deal found 5/29$192
Mon 6/105:18 pmPHL - SEA
1 stop18h 41mSpirit Airlines
Thu 6/139:32 pmSEA - PHL
2 stops20h 48mSpirit Airlines
Deal found 5/28$196
Wed 6/193:45 pmPHL - SEA
2 stops19h 47mSpirit Airlines
Mon 6/248:59 pmSEA - PHL
2 stops19h 38mSpirit Airlines
Deal found 5/29$197

Philadelphia to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Philadelphia and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Scroll through some of the best deals on flights from Philadelphia to Seattle in 2024. Check back soon for alternative fares.
Wed 6/193:45 pmPHL - SEA
2 stops19h 47mSpirit Airlines
Tue 6/259:49 amSEA - PHL
1 stop17h 01mSpirit Airlines
Deal found 5/29$177
Wed 6/263:45 pmPHL - SEA
2 stops19h 47mMultiple Airlines
Mon 7/111:59 pmSEA - PHL
1 stop7h 50mMultiple Airlines
Deal found 5/29$181
Sat 6/88:30 pmPHL - SEA
1 stop15h 40mFrontier
Wed 6/129:41 pmSEA - PHL
1 stop28h 55mFrontier
Deal found 5/29$183
Sat 6/88:30 pmPHL - SEA
1 stop15h 40mFrontier
Tue 6/119:41 amSEA - PHL
1 stop23h 01mFrontier
Deal found 5/29$185
Sat 6/88:30 pmPHL - SEA
1 stop15h 40mMultiple Airlines
Tue 6/115:20 pmSEA - PHL
1 stop14h 23mMultiple Airlines
Deal found 5/29$186
Sat 6/88:30 pmPHL - SEA
1 stop15h 40mFrontier
Tue 6/119:41 amSEA - PHL
1 stop16h 55mFrontier
Deal found 5/30$190
Wed 8/213:35 pmPHL - SEA
2 stops20h 10mSpirit Airlines
Mon 8/269:12 pmSEA - PHL
2 stops19h 08mSpirit Airlines
Deal found 5/29$191
Tue 6/258:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Mon 7/18:59 pmSEA - PHL
2 stops19h 13mSpirit Airlines
Deal found 5/29$192
Sat 9/211:03 pmPHL - SEA
1 stop11h 08mFrontier
Wed 9/2511:30 amSEA - PHL
1 stop15h 04mFrontier
Deal found 5/30$196

Non-stop flights to Seattle from Philadelphia

Discover non-stop flight options from Philadelphia 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 2,784,634 searches. Data last updated May 30, 2024.
Take a look at some of the direct flights traveling from Philadelphia to Seattle in the near future. Search for alternative flights from Philadelphia to Seattle by utilizing the search form above.
Tue 8/207:04 pmPHL - SEA
Nonstop6h 10mAmerican Airlines
Tue 9/311:38 pmSEA - PHL
Nonstop5h 07mAmerican Airlines
Deal found 5/29$302
Wed 6/267:16 pmPHL - SEA
Nonstop6h 13mAmerican Airlines
Wed 7/1012:35 pmSEA - PHL
Nonstop4h 59mAmerican Airlines
Deal found 5/29$333
Tue 7/237:07 amPHL - SEA
Nonstop6h 00mAlaska Airlines
Sun 7/289:35 pmSEA - PHL
Nonstop5h 02mAlaska Airlines
Deal found 5/30$342
Wed 7/107:10 pmPHL - SEA
Nonstop6h 18mAmerican Airlines
Wed 7/2411:40 pmSEA - PHL
Nonstop4h 58mAmerican Airlines
Deal found 5/29$347
Tue 7/307:10 pmPHL - SEA
Nonstop6h 18mAmerican Airlines
Wed 8/711:38 pmSEA - PHL
Nonstop5h 07mAmerican Airlines
Deal found 5/29$373
Tue 7/237:10 pmPHL - SEA
Nonstop6h 18mAmerican Airlines
Thu 8/111:40 pmSEA - PHL
Nonstop4h 58mAmerican Airlines
Deal found 5/29$378
Wed 8/147:07 amPHL - SEA
Nonstop6h 00mAlaska Airlines
Tue 8/209:39 pmSEA - PHL
Nonstop5h 01mAlaska Airlines
Deal found 5/29$382
Wed 7/107:10 pmPHL - SEA
Nonstop6h 18mAmerican Airlines
Wed 7/1711:40 pmSEA - PHL
Nonstop4h 58mAmerican Airlines
Deal found 5/29$383
Mon 8/267:15 amPHL - SEA
Nonstop5h 54mAlaska Airlines
Sun 9/19:39 pmSEA - PHL
Nonstop5h 01mAlaska Airlines
Deal found 5/28$397

Philadelphia to Seattle flights leaving soon

Find last-minute flight options from Philadelphia 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 2,784,634 searches. Data last updated May 30, 2024.
Users seeking a last-minute flight from Philadelphia to Seattle should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Fri 6/71:18 pmPHL - SEA
1 stop24h 08mMultiple Airlines
Sat 6/85:00 pmSEA - PHL
1 stop15h 09mMultiple Airlines
Deal found 5/29$291
Wed 6/53:45 pmPHL - SEA
3 stops43h 47mSpirit Airlines
Wed 6/128:59 pmSEA - PHL
2 stops24h 35mSpirit Airlines
Deal found 5/29$292
Fri 6/71:23 pmPHL - SEA
3 stops21h 34mMultiple Airlines
Tue 6/115:20 pmSEA - PHL
1 stop14h 23mMultiple Airlines
Deal found 5/29$293
Fri 6/78:30 pmPHL - SEA
1 stop28h 06mFrontier
Sun 6/910:58 pmSEA - PHL
1 stop28h 40mFrontier
Deal found 5/29$294
Fri 6/78:30 pmPHL - SEA
1 stop16h 56mMultiple Airlines
Fri 6/1411:59 pmSEA - PHL
1 stop17h 55mMultiple Airlines
Deal found 5/29$295
Sun 6/91:18 pmPHL - SEA
2 stops22h 14mSpirit Airlines
Thu 6/139:28 amSEA - PHL
2 stops12h 06mSpirit Airlines
Deal found 5/29$296
Thu 6/68:30 pmPHL - SEA
1 stop13h 36mFrontier
Tue 6/111:47 pmSEA - PHL
2 stops13h 38mFrontier
Deal found 5/29$297
Wed 6/51:13 pmPHL - SEA
1 stop24h 13mFrontier
Sun 6/910:58 pmSEA - PHL
1 stop28h 40mFrontier
Deal found 5/29$299
Sat 6/810:49 amPHL - SEA
1 stop8h 06mMultiple Airlines
Tue 6/181:47 pmSEA - PHL
3 stops24h 52mMultiple Airlines
Deal found 5/30$300

One-way flights to Seattle from Philadelphia

Search for one-way flight options from Philadelphia 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 2,784,634 searches. Data last updated May 30, 2024.
Take a look at some of the best available options we've come across on one-way flights from Philadelphia to Seattle. For those needing a return trip from Philadelphia, there is a search form available above.
Wed 6/193:45 pmPHL - SEA
2 stops19h 47mSpirit Airlines
Deal found 5/30$66
Wed 8/288:55 amPHL - SEA
1 stop14h 26mSpirit Airlines
Deal found 5/29$88
Tue 6/258:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/29$96
Tue 6/258:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/30$98
Sat 6/158:30 pmPHL - SEA
1 stop15h 40mFrontier
Deal found 5/29$100
Sat 6/88:30 pmPHL - SEA
1 stop15h 40mFrontier
Deal found 5/29$101
Wed 8/218:34 pmPHL - SEA
1 stop15h 03mFrontier
Deal found 5/29$104
Tue 8/132:05 pmPHL - SEA
1 stop8h 55mSpirit Airlines
Deal found 5/28$107
Wed 7/318:56 amPHL - SEA
1 stop14h 04mSpirit Airlines
Deal found 5/29$109

Find flights from Philadelphia to Seattle within your budget

Customize your flight search to find flights from Philadelphia 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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$161 - $306

Route

Depart

Return

Price

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Tue 6/25

2 stops15h 26m

Seattle/Tacoma Intl

Mon 7/1

2 stops19h 13m

$161

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Wed 6/19

2 stops19h 47m

Seattle/Tacoma Intl

Tue 6/25

1 stop17h 01m

$177

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Wed 6/26

2 stops19h 47m

Seattle/Tacoma Intl

Mon 7/1

1 stop7h 50m

$181

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Sat 8/24

1 stop22h 34m

Seattle/Tacoma Intl

Sat 8/31

1 stop28h 29m

$186

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Wed 9/11

1 stop15h 03m

Seattle/Tacoma Intl

Tue 9/24

1 stop30h 43m

$188

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Sat 9/21

1 stop11h 08m

Seattle/Tacoma Intl

Mon 9/23

2 stops19h 08m

$199

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Sat 9/7

1 stop11h 44m

Seattle/Tacoma Intl

Sat 9/14

Nonstop5h 12m

$286

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Tue 6/11

1 stop7h 54m

Seattle/Tacoma Intl

Sat 6/15

1 stop7h 47m

$295

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Sat 9/21

1 stop9h 54m

Seattle/Tacoma Intl

Fri 9/27

1 stop7h 05m

$306

Flights are sorted by cheapest first

Deals found on 5/30

How far ahead should I book a flight from Philadelphia to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Seattle. Price data was last updated on May 24, 2024.
The best time to book flights from Philadelphia to Seattle is 63 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

What is the cheapest day to fly from Philadelphia to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Seattle. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Philadelphia to Seattle flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Philadelphia to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 30, 2024.
Read through reviews of airlines operating flights from Philadelphia to Seattle, such as American Airlines, Delta and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Alaska Airlines
8.1
Very good
9,192 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Delta
8.0
Very good
10,457 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

United Airlines
7.4
Good
10,777 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

American Airlines
7.3
Good
14,284 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Sun Country Air
7.2
Good
597 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia 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 Philadelphia to Seattle?

    Booking a flight from Philadelphia (PHL) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Philadelphia to Seattle. On a typical day, there are 3 flights from Philadelphia to Seattle/Tacoma Intl, all of which are around 5h 46m for a nonstop flight. You can also purchase a plane ticket from 9 airlines when you book a flight from Philadelphia to Seattle.

  • Can I find flights from Philadelphia to Seattle for under $200 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to Seattle for under $200. The cheapest flight booked recently is on Spirit Airlines for just $161, but on average you can expect to pay $192.

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

    Cheapflights has at least 20 direct flights from Philadelphia to Seattle under $400. A good price for a nonstop flight from Philadelphia to Seattle is less than $393.

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

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

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

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

  • How popular is this Philadelphia to Seattle flight route?

    Flights from Philadelphia to Seattle/Tacoma Intl have been viewed 30 times in the past calendar month.

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

    On average, you can expect to see 4 flights from Philadelphia to Seattle a day.
    Morning (6am - Noon) - 25% of flight departures
    Evening (6pm - Midnight) - 75% of flight departures

  • How long is the flight from Philadelphia to Seattle?

    A quick flight from Philadelphia to Seattle can take about 15h 26m. Spirit Airlines provides one of the quickest options available for as low as $161. The distance between Philadelphia and Seattle is about 2385 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 Philadelphia to Seattle round-trip?

    According to our current data, Spirit Airlines ($161), and Frontier ($186) offers the cheapest pricing from Philadelphia to Seattle. These flights start at 60% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $66 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $100 and Sun Country Air from $116 one-way.

  • What are the most reliable airlines from Philadelphia to Seattle?

    Consider American Airlines (86%), Qatar Airways (86%) or British Airways (86%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to Seattle.

  • What are the cheapest flights from Philadelphia to Seattle?

    While on average a flight from Philadelphia to Seattle is generally $1,029, our data shows the cheapest flight currently is $168. When looking at the most popular route, (Philadelphia - Seattle/Tacoma Intl), you can expect to pay $177 for that flight.

  • What does PHL to SEA mean?

    PHL stands for Philadelphia Airport, while SEA stands for Seattle/Tacoma Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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

    Philadelphia to Seattle flights have a layover in Denver most often. Chicago sees the second most layovers for non-direct flights flying from Philadelphia to Seattle.

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

    Coors Field, 16th Street Mall, and Civic Center Park are the most popular attractions in Denver if you're in need of something to do during your layover. Those on a layover in Denver interested in visiting Coors Field, 16th Street Mall, or Civic Center Park can do so by traveling 18.4 mi, 18.7 mi, and 18.7 mi, respectively from Denver Intl. Travelers in need of a car in Denver can rent one for about $48 per day.

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

    Most Chicago visitors opt to spend their time at 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 if you are interested in checking them out. Those looking to explore during their layover in Chicago can rent a car from Chicago O'Hare Intl for about $60 per day.

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

    Flights departing from Philadelphia and landing in Seattle layover in Salt Lake City least frequently. Minneapolis is the second least popular location for layovers on flights from Philadelphia to Seattle.

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

    The amount of baggage you can bring on your Philadelphia 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 Philadelphia to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Philadelphia 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 Philadelphia to Seattle that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia 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 Philadelphia to Seattle that allow pets onboard?

    Many airlines flying from Philadelphia 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 Philadelphia to Seattle?

    Yes, you can often find last-minute deals on Philadelphia 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 Philadelphia to Seattle flight deals updated?

    The Philadelphia to Seattle flight deals you see on this page were last updated on 5/30.

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

    The most popular airlines flying from Philadelphia to Seattle are Undisclosed Carrier, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.

  • What is the cheapest month to book a flight from Philadelphia to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Seattle (average of $247). Flying from Philadelphia to Seattle in July is currently the most expensive (average of $406). 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.

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Fly from Philadelphia to Seattle on these airlines
Choose from the following airlines for your flight from Philadelphia to Seattle. Flights are based on user searches made on Cheapflights and were last updated on May 30, 2024.

American Airlines flights from Philadelphia to Seattle/Tacoma Intl
Alaska Airlines flights from Philadelphia to Seattle/Tacoma Intl
Delta flights from Philadelphia to Seattle/Tacoma Intl

Top 8 airlines flying from Philadelphia to Seattle

Discover the top 8 airlines that operate flights from Philadelphia 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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$120Average$214FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FrontierCheapest$123Average$274FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$126Average$252FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$138Average$356FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$159Average$417FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Sun Country AirCheapest$177Average$289FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
United AirlinesCheapest$189Average$426FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$256Average$473FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Philadelphia to Seattle by cabin class

Find flights from Philadelphia to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Philadelphia to Seattle

Find hourly flight availability from Philadelphia 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 30, 2024.
1%of flight departuresEarly morningMidnight to 6 am
41%of flight departuresMorning6 am to noon
41%of flight departuresAfternoonNoon to 6 pm
17%of flight departuresEvening6 pm to midnight
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6 AM
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6 PM

Weekly flight availability from Philadelphia to Seattle

Explore weekly flight availability from Philadelphia 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 30, 2024.
Sunday4daily flights
Monday5daily flights
Tuesday3daily flights
Wednesday2daily flights
Thursday2daily flights
Friday3daily flights
Saturday4daily flights

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Yes! Cheapflights helps users easily find flights from Philadelphia to Seattle with no change fees.

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