Cheap flights from Philadelphia, PA to Seattle, WA

Flights starting at $74. Choose between Frontier Airlines, Spirit Airlines, or Alaska Airlines to find the best price.

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Philadelphia PHLDetroit DTWLas Vegas LASPhiladelphia PHL
$200
Philadelphia PHLLas Vegas LASPhiladelphia PHL
$224
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Travelers usually depart from Philadelphia International, Philadelphia, PA Greyhound Terminal, Philadelphia, PA - 30th Street, Ardmore, PA station, or Philadelphia, PA - Market Street bus stop when they travel from Philadelphia to Seattle. Book your trip to arrive at Seattle–Tacoma International, Seattle, WA - King Street Station, Seattle, WA - Greyhound Station, Seattle, WA - Ferry Terminal, or Seattle, WA - University of Washington. The distance between Philadelphia and Seattle is 3821 km. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, Alaska Airlines, American Airlines, and United Airlines. Philadelphia and Seattle have 401 direct flights per week.

Weekly direct flights

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

Weekly direct flights for Sun 17.09 - Sat 23.09

AirlineSun 17.09Mon 18.09Tue 19.09Wed 20.09Thu 21.09Fri 22.09Sat 23.09
2222222
2222222

Weekly direct flights for Sun 24.09 - Sat 30.09

AirlineSun 24.09Mon 25.09Tue 26.09Wed 27.09Thu 28.09Fri 29.09Sat 30.09
2222222
2222222

Weekly direct flights for Sun 01.10 - Sat 07.10

AirlineSun 01.10Mon 02.10Tue 03.10Wed 04.10Thu 05.10Fri 06.10Sat 07.10
2222212
2222111

Weekly direct flights for Sun 08.10 - Sat 14.10

AirlineSun 08.10Mon 09.10Tue 10.10Wed 11.10Thu 12.10Fri 13.10Sat 14.10
2222222
1111111

Check-in for a flight from Philadelphia to Seattle

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
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAANoNo
United AirlinesUALUAYesNo
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Frequently asked questions

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What airlines offer nonstop (direct) flights between Philadelphia and Seattle?
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What time do flights between Philadelphia and Seattle depart?
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