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Cheap flights from Seattle to Philadelphia (SEA - PHL) from $84

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 6/11. 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.
SEA — PHL
May 20 — May 271
From?
To?
Mon 5/20
Mon 5/27
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Philadelphia are usually found in October or February, booked 90 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Seattle to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Philadelphia (PHL). 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 15, 2024.

Popular in

June

Cheapest in

October

Round-trip from

$225

One-way from

$115
High demand for flights, 29% potential price rise
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Best time to find cheap flights, 27% potential price drop
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From Seattle/Tacoma Intl to Philadelphia
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One-way flight from Seattle/Tacoma Intl to Philadelphia
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What is the cheapest day to fly round-trip from Seattle to Philadelphia?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 25% on the overall cost on flights from Seattle to Philadelphia.

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

To save on the cost of your flight from Seattle to Philadelphia, book at least 48 days before your planned departure. Booking around this time can save you about 128% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $539 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $745.

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

October is one of the best times of the year to fly to Philadelphia from Seattle. Prices for October average $409 per person but you can even find prices for as low as $147. The most expensive prices can be found in the month of June. Opting for a October flight can save you 40% on your journey compared to booking in June

When is the cheapest time to fly from Seattle to Philadelphia (SEA - PHL)?

A simple way to save on the total cost of your ticket is to fly from Seattle to Philadelphia in the afternoon. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the morning.

Cheap Frontier flights from Seattle to Philadelphia

Explore cheap flight options specifically provided by Frontier for the route between Seattle and Philadelphia. 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 2,644,845 searches. Data last updated May 15, 2024.
Take a look at some of the lowest-priced Frontier flights heading from Seattle to Philadelphia. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 8/2110:08 pmSEA - PHL
1 stop17h 00mFrontier
Sat 8/241:03 pmPHL - SEA
1 stop22h 34mFrontier
Deal found 5/13$180
Tue 6/48:14 pmSEA - PHL
1 stop12h 54mFrontier
Sat 6/88:30 pmPHL - SEA
1 stop15h 40mFrontier
Deal found 5/14$182
Tue 6/118:12 pmSEA - PHL
1 stop12h 30mFrontier
Tue 6/185:51 pmPHL - SEA
1 stop16h 15mFrontier
Deal found 5/14$187
Tue 6/48:14 pmSEA - PHL
1 stop12h 54mFrontier
Tue 6/118:30 pmPHL - SEA
1 stop13h 36mFrontier
Deal found 5/14$189
Wed 5/298:34 amSEA - PHL
1 stop25h 35mFrontier
Mon 6/38:30 pmPHL - SEA
1 stop25h 44mFrontier
Deal found 5/14$197
Thu 5/3011:02 pmSEA - PHL
1 stop27h 37mFrontier
Sun 6/28:27 pmPHL - SEA
1 stop15h 13mFrontier
Deal found 5/14$202
Thu 6/67:49 pmSEA - PHL
1 stop13h 24mFrontier
Thu 6/138:30 pmPHL - SEA
1 stop13h 36mFrontier
Deal found 5/14$216
Wed 6/59:41 pmSEA - PHL
1 stop28h 55mFrontier
Fri 6/148:30 pmPHL - SEA
1 stop16h 56mFrontier
Deal found 5/14$217
Tue 6/48:14 pmSEA - PHL
1 stop12h 54mFrontier
Fri 6/148:30 pmPHL - SEA
1 stop28h 06mFrontier
Deal found 5/14$223

  • One of the most popular airlines traveling from Seattle to Philadelphia is Frontier. Flights from Frontier traveling this route typically cost $416.20 RT. This price is typically 43% cheaper than other airlines that offer Seattle to Philadelphia flights. When booking this route, the cheapest RT price found was $168. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to Philadelphia. Philadelphia Airport is the most popular arrival airport in Philadelphia. When flying from Seattle to Philadelphia, Frontier flights are 11% more popular than any other airline flying that same route.

Cheap Spirit Airlines flights from Seattle to Philadelphia

Explore cheap flight options specifically provided by Spirit Airlines for the route between Seattle and Philadelphia. 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 2,644,845 searches. Data last updated May 15, 2024.
Browse through some of the cheapest Spirit Airlines flights traveling from Seattle to Philadelphia. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 6/119:49 amSEA - PHL
1 stop17h 01mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$131
Tue 6/119:49 amSEA - PHL
1 stop17h 01mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$135
Tue 6/119:49 amSEA - PHL
1 stop17h 01mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$147
Tue 6/119:49 amSEA - PHL
2 stops26h 06mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$157
Wed 6/129:28 amSEA - PHL
1 stop18h 10mSpirit Airlines
Wed 6/193:45 pmPHL - SEA
2 stops19h 47mSpirit Airlines
Deal found 5/13$163
Mon 6/108:59 pmSEA - PHL
2 stops19h 13mSpirit Airlines
Wed 6/193:45 pmPHL - SEA
2 stops19h 47mSpirit Airlines
Deal found 5/15$169
Tue 6/119:49 amSEA - PHL
3 stops26h 06mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$177
Wed 6/58:59 pmSEA - PHL
2 stops24h 35mSpirit Airlines
Wed 6/123:45 pmPHL - SEA
2 stops19h 47mSpirit Airlines
Deal found 5/14$185
Tue 6/49:40 pmSEA - PHL
2 stops23h 53mSpirit Airlines
Tue 6/118:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$186

  • If you’re traveling from Seattle to Philadelphia, one of the more common airlines traveling that route is Spirit Airlines. Seattle to Philadelphia flights are typically 30% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $437.51 RT. The cheapest Spirit Airlines flight found for this route was $248. When traveling from Seattle to Philadelphia on Spirit Airlines, the most popular airport to depart from is Seattle/Tacoma Intl Airport and the most popular airport to arrive at is Philadelphia Airport. When flying from Seattle to Philadelphia, Spirit Airlines flights are 1% more popular than any other airline flying that same route.

Cheap Seattle to Philadelphia flights in May & June 2024

Find cheap flight options from Seattle to Philadelphia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,644,845 searches. Prices were last updated on May 15, 2024.
The lowest fares we've come across on flights traveling from Seattle to Philadelphia in May and June 2024. Check back soon for alternative fares.
Tue 6/119:49 amSEA - PHL
1 stop17h 01mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$131
Tue 6/119:49 amSEA - PHL
1 stop17h 01mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$135
Tue 6/119:49 amSEA - PHL
1 stop17h 01mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$147
Wed 5/295:45 pmSEA - PHL
1 stop14h 51mSun Country Air
Wed 6/511:28 amPHL - SEA
1 stop7h 39mSun Country Air
Deal found 5/14$156
Tue 6/119:49 amSEA - PHL
2 stops26h 06mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$157
Tue 6/119:49 amSEA - PHL
1 stop17h 01mMultiple Airlines
Wed 6/1211:33 amPHL - SEA
1 stop8h 09mMultiple Airlines
Deal found 5/15$159
Wed 6/129:28 amSEA - PHL
1 stop18h 10mSpirit Airlines
Wed 6/193:45 pmPHL - SEA
2 stops19h 47mSpirit Airlines
Deal found 5/13$163
Wed 6/58:59 pmSEA - PHL
2 stops24h 35mMultiple Airlines
Wed 6/1211:33 amPHL - SEA
1 stop8h 09mMultiple Airlines
Deal found 5/14$164
Wed 6/55:15 pmSEA - PHL
1 stop14h 48mSun Country Air
Wed 6/1211:33 amPHL - SEA
1 stop8h 09mSun Country Air
Deal found 5/14$165

Seattle to Philadelphia 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Philadelphia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
The lowest fares we've come across on flights traveling from Seattle to Philadelphia in May and June 2024. Check back soon for alternative fares.
Tue 6/119:49 amSEA - PHL
1 stop17h 01mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$131
Tue 6/119:49 amSEA - PHL
1 stop17h 01mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$135
Tue 6/119:49 amSEA - PHL
1 stop17h 01mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$147
Wed 5/295:45 pmSEA - PHL
1 stop14h 51mSun Country Air
Wed 6/511:28 amPHL - SEA
1 stop7h 39mSun Country Air
Deal found 5/14$156
Tue 6/119:49 amSEA - PHL
2 stops26h 06mSpirit Airlines
Tue 6/188:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Deal found 5/14$157
Tue 6/119:49 amSEA - PHL
1 stop17h 01mMultiple Airlines
Wed 6/1211:33 amPHL - SEA
1 stop8h 09mMultiple Airlines
Deal found 5/15$159
Wed 6/129:28 amSEA - PHL
1 stop18h 10mSpirit Airlines
Wed 6/193:45 pmPHL - SEA
2 stops19h 47mSpirit Airlines
Deal found 5/13$163
Wed 6/58:59 pmSEA - PHL
2 stops24h 35mMultiple Airlines
Wed 6/1211:33 amPHL - SEA
1 stop8h 09mMultiple Airlines
Deal found 5/14$164
Wed 6/55:15 pmSEA - PHL
1 stop14h 48mSun Country Air
Wed 6/1211:33 amPHL - SEA
1 stop8h 09mSun Country Air
Deal found 5/14$165

Non-stop flights to Philadelphia from Seattle

Discover non-stop flight options from Seattle to Philadelphia. 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 2,644,845 searches. Data last updated May 15, 2024.
For a quicker trip, book one of these direct flights from Seattle to Philadelphia. Users can also choose from other Seattle to Philadelphia flights by using the search form above.
Tue 9/1010:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Tue 9/176:30 pmPHL - SEA
Nonstop6h 03mAmerican Airlines
Deal found 5/15$287
Wed 10/169:44 amSEA - PHL
Nonstop5h 09mAlaska Airlines
Wed 10/306:55 pmPHL - SEA
Nonstop6h 05mAlaska Airlines
Deal found 5/14$297
Tue 6/410:55 pmSEA - PHL
Nonstop5h 12mAmerican Airlines
Tue 6/117:16 pmPHL - SEA
Nonstop6h 13mAmerican Airlines
Deal found 5/14$302
Wed 10/169:44 pmSEA - PHL
Nonstop4h 57mAlaska Airlines
Sat 10/267:15 amPHL - SEA
Nonstop6h 06mAlaska Airlines
Deal found 5/15$307
Thu 8/811:38 pmSEA - PHL
Nonstop5h 07mAmerican Airlines
Wed 8/288:25 amPHL - SEA
Nonstop5h 57mAmerican Airlines
Deal found 5/14$312
Wed 10/169:44 pmSEA - PHL
Nonstop4h 57mAlaska Airlines
Thu 10/317:15 amPHL - SEA
Nonstop6h 11mAlaska Airlines
Deal found 5/14$317
Tue 6/49:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Sat 6/87:21 amPHL - SEA
Nonstop5h 46mAlaska Airlines
Deal found 5/14$322
Wed 7/2411:40 pmSEA - PHL
Nonstop4h 58mAmerican Airlines
Wed 8/147:04 pmPHL - SEA
Nonstop6h 10mAmerican Airlines
Deal found 5/14$323
Thu 10/1710:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Sat 10/266:30 pmPHL - SEA
Nonstop6h 03mAmerican Airlines
Deal found 5/14$327

Seattle to Philadelphia flights leaving soon

Find last-minute flight options from Seattle to Philadelphia 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 2,644,845 searches. Data last updated May 15, 2024.
Consider one of these great deals we found on last-minute flights from Seattle to Philadelphia. Users should be sure to double check the price, date, and time of their last-minute flight.
Fri 5/245:40 pmSEA - PHL
1 stop14h 26mSun Country Air
Tue 5/286:15 pmPHL - SEA
1 stop25h 25mSun Country Air
Deal found 5/14$250
Sat 5/2510:08 pmSEA - PHL
1 stop13h 12mFrontier
Tue 5/288:27 pmPHL - SEA
1 stop14h 07mFrontier
Deal found 5/14$252
Fri 5/2410:24 pmSEA - PHL
1 stop28h 10mFrontier
Tue 5/281:15 pmPHL - SEA
1 stop21h 19mFrontier
Deal found 5/14$264
Fri 5/245:40 pmSEA - PHL
1 stop14h 26mSun Country Air
Sun 5/261:35 pmPHL - SEA
1 stop21h 20mSun Country Air
Deal found 5/13$265
Tue 5/218:14 pmSEA - PHL
1 stop12h 56mMultiple Airlines
Tue 6/42:15 pmPHL - SEA
2 stops21h 17mMultiple Airlines
Deal found 5/14$268
Mon 5/206:29 pmSEA - PHL
1 stop8h 05mFrontier
Tue 5/218:27 pmPHL - SEA
1 stop13h 37mFrontier
Deal found 5/13$273
Fri 5/245:40 pmSEA - PHL
1 stop14h 26mSun Country Air
Sun 5/261:35 pmPHL - SEA
1 stop29h 25mSun Country Air
Deal found 5/14$275
Fri 5/245:40 pmSEA - PHL
1 stop14h 26mMultiple Airlines
Tue 5/288:10 pmPHL - SEA
3 stops39h 35mMultiple Airlines
Deal found 5/14$278
Tue 5/218:14 pmSEA - PHL
1 stop12h 56mFrontier
Mon 5/278:26 pmPHL - SEA
1 stop25h 48mFrontier
Deal found 5/14$279

One-way flights to Philadelphia from Seattle

Search for one-way flight options from Seattle to Philadelphia. 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 2,644,845 searches. Data last updated May 15, 2024.
Users traveling one-way from Seattle to Philadelphia can select one of these great deals. Those needing a return flight from Seattle to Philadelphia can use the search form above.
Tue 6/115:20 pmSEA - PHL
1 stop14h 23mSun Country Air
Deal found 5/15$84
Mon 5/2711:59 pmSEA - PHL
1 stop7h 52mSun Country Air
Deal found 5/14$86
Tue 5/289:40 pmSEA - PHL
1 stop29h 50mSpirit Airlines
Deal found 5/14$92
Tue 5/218:14 pmSEA - PHL
1 stop12h 56mFrontier
Deal found 5/14$96
Tue 6/48:14 pmSEA - PHL
1 stop12h 54mFrontier
Deal found 5/14$97
Tue 5/218:14 pmSEA - PHL
1 stop12h 56mFrontier
Deal found 5/14$100
Sat 8/3110:08 pmSEA - PHL
1 stop28h 29mFrontier
Deal found 5/14$101
Tue 8/275:00 pmSEA - PHL
2 stops18h 45mSpirit Airlines
Deal found 5/14$102
Wed 9/1111:30 amSEA - PHL
1 stop15h 04mFrontier
Deal found 5/14$104

Find flights from Seattle to Philadelphia within your budget

Customize your flight search to find flights from Seattle to Philadelphia 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 2,644,845 searches. Data last updated May 15, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$131 - $312

Route

Depart

Return

Price

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Tue 6/11

1 stop17h 01m

Philadelphia

Tue 6/18

2 stops15h 26m

$131

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Tue 6/11

1 stop17h 01m

Philadelphia

Tue 6/18

2 stops15h 26m

$135

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Tue 6/11

1 stop17h 01m

Philadelphia

Tue 6/18

2 stops15h 26m

$147

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Wed 5/29

1 stop14h 51m

Philadelphia

Wed 6/5

1 stop7h 39m

$156

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Tue 6/11

1 stop17h 01m

Philadelphia

Wed 6/12

1 stop8h 09m

$159

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Wed 8/21

1 stop17h 00m

Philadelphia

Sat 8/24

1 stop22h 34m

$180

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Wed 10/16

Nonstop5h 09m

Philadelphia

Wed 10/30

Nonstop6h 05m

$297

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Tue 8/13

1 stop7h 06m

Philadelphia

Mon 8/19

1 stop8h 18m

$306

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Thu 8/8

Nonstop5h 07m

Philadelphia

Wed 8/28

Nonstop5h 57m

$312

Flights are sorted by cheapest first

Deals found on 5/14

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Philadelphia. Price data was last updated on May 10, 2024.
The best time to book flights from Seattle to Philadelphia is 90 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 Seattle to Philadelphia?

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

Average price of flights to Philadelphia by month

Plan your trip from Seattle to Philadelphia by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Philadelphia is currently $96 while a round-trip flight costs $203. Price data was last updated on May 12, 2024.

Currently, October is the cheapest month in which you can book a flight from Seattle to Philadelphia (average of $225). Flying from Seattle to Philadelphia in July is currently the most expensive (average of $305). 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

$258

February

$258

March

$281

April

$268

May

$268

June

$286

July

$305

August

$258

September

$246

October

$225

November

$268

December

$253

Temperature and rainfall in Philadelphia by month

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

PHL

Temperature

33.8 - 78.8 °F

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated May 15, 2024.
Read reviews from past customers who have flown Frontier, Spirit Airlines and Sun Country Air from Seattle to Philadelphia. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,040 reviews
Check prices

Food

7.3

Overall

8.2

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Crew

8.7

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

Food

7.3

Overall

8.2

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Crew

8.7

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

Food

7.3

Overall

8.2

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Crew

8.7

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
10,691 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Food

7.3

Overall

8.2

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

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

JetBlue
7.6
Good
4,475 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Food

7.3

Overall

8.2

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Crew

8.7

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
10,946 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Food

7.3

Overall

8.2

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Crew

8.7

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 Seattle to Philadelphia. 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 Seattle to Philadelphia?

    To fly from Seattle to Philadelphia, you need to book a flight from Seattle/Tacoma Intl (SEA) to Philadelphia (PHL). Nonstop flights to Philadelphia from Seattle/Tacoma Intl take 4h 57m on average. When it comes time to book airfare, you have a few options: there are 3 outbound flights from Seattle/Tacoma Intl to Philadelphia offered by 7 different airlines.

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

    Yes, there are multiple flights from Seattle to Philadelphia for under $200. The cheapest flight booked recently is on Spirit Airlines for just $131, but on average you can expect to pay $168.

  • Are there nonstop flights from Seattle to Philadelphia for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Seattle to Philadelphia under $300. A good price for a nonstop flight from Seattle to Philadelphia is less than $335.

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

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

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

    Nonstop flights can be found on the following days: Sunday.

  • How popular is this Seattle to Philadelphia flight route?

    Flights from Seattle/Tacoma Intl to Philadelphia have been viewed 2 times in the past calendar month.

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

    On average 2 flights depart from Seattle to Philadelphia per day.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from Seattle to Philadelphia?

    Airlines like Spirit Airlines, Sun Country Air, and Frontier fly from Seattle to Philadelphia in about 14h 51m. The time it takes to get you to your destination can typically vary by up to 2h 10m. Seattle and Philadelphia are separated by a distance of 2385 mi. This flight may include one or multiple stops.

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

    Currently priced at $131, Spirit Airlines will fly you from Seattle to Philadelphia and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Sun Country Air and Frontier - these airlines can fly you to your destination from $156 and $180, respectively. Spirit Airlines is currently priced 67% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $84 on Sun Country Air. Other airlines that offer cheap prices include Spirit Airlines from $92 and Frontier from $96 one-way.

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

    American Airlines, Alaska Airlines and JetBlue are the most popular airlines when flying from Seattle to Philadelphia.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to Philadelphia consider choosing American Airlines (84%), Air Tahiti Nui (82%) or Alaska Airlines (52%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $142. While the most popular route (Seattle/Tacoma Intl - Philadelphia) can be booked for $163 on average our data indicates $1,137 when flying from Seattle to Philadelphia.

  • What does SEA to PHL mean?

    Seattle/Tacoma Intl Airport is SEA and Philadelphia Airport is PHL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

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

    Flights departing from Seattle and landing in Philadelphia layover in Denver most frequently.

  • 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. Coors Field, 16th Street Mall and Civic Center Park are located about 18.4 mi, 18.7 mi, and 18.7 mi, respectively from Denver Intl if you are interested in checking them out. Those on a layover in Denver in need of a rental car can book one at Denver Intl for about $43.

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

    Seattle to Philadelphia flights that have layovers will least frequently stop in Salt Lake City.

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

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

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

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

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

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

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

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

    Many airlines flying from Seattle to Philadelphia 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 Seattle to Philadelphia?

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

    The Seattle to Philadelphia flight deals you see on this page were last updated on 5/15.

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

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Top 7 airlines flying from Seattle to Philadelphia

Discover the top 7 airlines that operate flights from Seattle to Philadelphia. 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 2,644,845 searches. Data last updated May 15, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$109Average$250FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapest$114Average$228FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Spirit AirlinesCheapest$116Average$291FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapest$168Average$416FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$169Average$399FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$188Average$410FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$248Average$438FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Seattle to Philadelphia by cabin class

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

Find hourly flight availability from Seattle to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 15, 2024.
1%of flight departuresEarly morningMidnight to 6 am
51%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
48%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Seattle to Philadelphia

Explore weekly flight availability from Seattle to Philadelphia. 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 15, 2024.
Sunday4daily flights
Monday4daily flights
Tuesday4daily flights
Wednesday4daily flights
Thursday1daily flight
Friday4daily flights
Saturday4daily flights

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Need flexible booking options for your flight to Philadelphia from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Seattle to Philadelphia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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