Seattle, WA to Philadelphia, PA flights

Flights starting at £48. Choose between Frontier Airlines, Spirit Airlines, or American Airlines to find the best price.

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Nonstop flights in October

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Seattle SEADenver DENSeattle SEA
£155
Seattle SEAPhiladelphia PHL
£188
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Travelers usually depart from Seattle–Tacoma International, Seattle, WA - King Street Station, Seattle, WA - Greyhound Station, Seattle, WA - Ferry Terminal, or Seattle, WA - University of Washington when they travel from Seattle to Philadelphia. Book your trip to arrive at Philadelphia International, Philadelphia, PA - 30th Street, Philadelphia, PA Greyhound Terminal, Ardmore, PA station, or Philadelphia, PA - Market Street bus stop. The distance between Seattle and Philadelphia is 3821 km. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, American Airlines, United Airlines, and Alaska Airlines. Seattle and Philadelphia have 401 direct flights per week. When you arrive at Philadelphia, consider visiting National Mall, Times Square, Statue of Liberty, Empire State Building, Staten Island, Lincoln Memorial, Manhattan Island, Metropolitan Museum of Art, and Independence National Historical Park, PA, USA.

Weekly direct flights

Discover the top airlines offering direct flights from Seattle to Philadelphia in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Mon 25.09 - Sun 01.10

AirlineMon 25.09Tue 26.09Wed 27.09Thu 28.09Fri 29.09Sat 30.09Sun 01.10
2222222
4433344

Weekly direct flights for Mon 02.10 - Sun 08.10

AirlineMon 02.10Tue 03.10Wed 04.10Thu 05.10Fri 06.10Sat 07.10Sun 08.10
2222222
4442222

Weekly direct flights for Mon 09.10 - Sun 15.10

AirlineMon 09.10Tue 10.10Wed 11.10Thu 12.10Fri 13.10Sat 14.10Sun 15.10
2222222
2222221

Weekly direct flights for Mon 16.10 - Sun 22.10

AirlineMon 16.10Tue 17.10Wed 18.10Thu 19.10Fri 20.10Sat 21.10Sun 22.10
2222222
2121111

Check-in for a flight from Seattle to Philadelphia

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAANoNo
United AirlinesUALUAYesNo
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight

Philadelphia travel tips

1) Have breakfast at self-catering Di Bruno Bros in Philadelphia
2) See what life was like for early American settlers in Philadelphia
3) Remember about BYOB (bring your own bottle) in the restaurants in Philadelphia
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

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