Cheap flights from Philadelphia, PA to Seattle, WA

Flights starting at £86. Choose between Frontier Airlines, Alaska Airlines, or Spirit Airlines to find the best price.

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Travelers usually depart from Philadelphia International, Philadelphia, PA - Market Street bus stop, or Philadelphia, PA Greyhound Terminal when they travel from Philadelphia to Seattle. Book your trip to arrive at Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, Seattle, WA - University of Washington, or Seattle WA - South Lane St. Bus Stop. The distance between Philadelphia and Seattle is 3821 km. The most popular airlines for this route are Frontier Airlines, Alaska Airlines, Spirit Airlines, United Airlines, and JetBlue Airways. Philadelphia and Seattle have 349 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 Mon 26.02 - Sun 03.03

AirlineMon 26.02Tue 27.02Wed 28.02Thu 29.02Fri 01.03Sat 02.03Sun 03.03
1111111

Weekly direct flights for Mon 04.03 - Sun 10.03

AirlineMon 04.03Tue 05.03Wed 06.03Thu 07.03Fri 08.03Sat 09.03Sun 10.03
1111---11

Weekly direct flights for Mon 11.03 - Sun 17.03

AirlineMon 11.03Tue 12.03Wed 13.03Thu 14.03Fri 15.03Sat 16.03Sun 17.03
1112222

Weekly direct flights for Mon 18.03 - Sun 24.03

AirlineMon 18.03Tue 19.03Wed 20.03Thu 21.03Fri 22.03Sat 23.03Sun 24.03
2112222

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
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
JetBlue AirwaysJBUB6NoOpens 24 days before flight
Closes 2 hours before flight

Seattle travel tips

1) Why not try goat yoga being in Seattle?
2) Where is the historic heart of Seattle?
3) Visit Grand Illusion Cinema if you are a film enthusiast

Weather in Seattle

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C1°C
March10°C3°C
April13°C4°C
May18°C8°C
June21°C10°C
July25°C13°C
August26°C14°C
September22°C11°C
October15°C7°C
November10°C4°C
December6°C1°C
Hottest Month
26°C
August
Coldest month
1°C
February
Sunny days
250
days per year
Snow days
5
days per year

14 day forecast

Sunday
25 Feb
98%
9°C3°C
3 Mar
8°C0°C
Monday
26 Feb
93%
6°C0°C
4 Mar
87%
5°C1°C
Tuesday
27 Feb
87%
4°C-1°C
5 Mar
89%
7°C4°C
Wednesday
28 Feb
77%
8°C4°C
6 Mar
89%
7°C3°C
Thursday
29 Feb
81%
6°C2°C
7 Mar
84%
7°C1°C
Friday
1 Mar
74%
8°C1°C
8 Mar
79%
9°C2°C
Saturday
2 Mar
86%
6°C0°C
9 Mar
86%
10°C4°C

Frequently asked questions

How long does it take to travel from Philadelphia to Seattle?
What is the flight distance between Philadelphia and Seattle?
What airlines offer nonstop (direct) flights between Philadelphia and Seattle?
What are the most popular routes to and from Philadelphia?
What are the most popular routes to and from Seattle?
Which airports are there in Philadelphia?
What airports are near Philadelphia?
What airports are near Seattle?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Philadelphia and Seattle?
What is Virtual Interlining and how do I use it?
Which airlines fly between Philadelphia and Seattle?
When's the best time to travel between Philadelphia and Seattle?
What flights operate between Philadelphia and Seattle?
How many airports are there near Philadelphia?
How many airports are there near Seattle?
What time do nonstop (direct) flights between Philadelphia and Seattle depart?
What time do nonstop (direct) flights between Philadelphia and Seattle arrive?
What time do flights between Philadelphia and Seattle depart?
What time do flights between Philadelphia and Seattle arrive?
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