Alaska
Oneworld
Did you mean flights from Seattle / Tacoma to Philadelphia?
United States
Philadelphia International Airport
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United States
Seattle–Tacoma International Airport
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Scan through all non-stop flights from Philadelphia to Seattle / Tacoma. The full flight schedule below gives an overview of all non-stop flights from PHL to SEA, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
In Seattle / Tacoma, the summers are known for being warm, long, and dry, with temperatures typically reaching about 30°C (86°F). The area’s breathtaking scenery complements the sun-filled lifestyle, making it a popular destination for visitors all year round who are looking for relaxation, fun by the water, and the beauty of the outdoors.
Seattle / Tacoma is best explored from mid-spring to summer, specifically between April and September, as most rainfall occurs from October to February.

In total there are 3 airlines operating nonstop flights from Philadelphia PHL to Seattle / Tacoma SEA. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their PHL SEA flight schedule.
Flights from PHL to SEA are operated 27 times a week, with an average of 4 flights per day. Departure times vary between 06:45 - 22:00. The earliest flight departs at 06:45, the last flight departs at 22:00. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Philadelphia to Seattle / Tacoma takes 6 hours and 9 minutes. The flight distance between Philadelphia and Seattle / Tacoma is 2,371 miles (or 3,816 km).
There are 3 airports in Seattle / Tacoma: Seattle–Tacoma International Airport (SEA), Boeing Field/King County Internat (BFI) and Kenmore Air Harbor Seaplane Base (FAA: W55) (LKE).
There are 27 flights per week flying from Philadelphia to Seattle / Tacoma (as of April 2026).
6 hours and 9 minutes is the average flight time from Philadelphia to Seattle / Tacoma.
The distance from Philadelphia to Seattle / Tacoma is 2,371 miles (3,816 kilometers).
Alaska, American Airlines and Delta are flying nonstop from Philadelphia to Seattle / Tacoma.
Oneworld and SkyTeam are flying nonstop from Philadelphia to Seattle / Tacoma.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Philadelphia to Seattle / Tacoma:
The earliest flight departs at 06:45 from Philadelphia and arrives at 09:46 at Seattle / Tacoma.
The latest flight departs at 22:00 from Philadelphia and arrives at 01:18 at Seattle / Tacoma.
2,371 miles (3,816 km) · 6h 9m
07:22
10:20
Alaska
Oneworld
AS 370
Alaska
Boeing 737 MAX 9
Y
W
J
F
07:22
10:20
Alaska
Oneworld
AS 370
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
07:22
10:20
Alaska
Oneworld
AS 370
Alaska
Boeing 737 MAX 9
Y
W
J
F
07:25
10:30
Alaska
Oneworld
AS 370
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
07:25
10:30
Alaska
Oneworld
AS 370
Alaska
Boeing 737 MAX 9
Y
W
J
F
07:25
10:30
Alaska
Oneworld
AS 370
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
07:25
10:30
Alaska
Oneworld
AS 370
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
07:25
10:23
Alaska
Oneworld
AS 370
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
08:25
11:34
American Airlines
Oneworld
AA 888
American Airlines
Boeing 737 MAX 8
Y
W
J
F
18:08
21:23
American Airlines
Oneworld
AA 2763
American Airlines
Airbus A321-100/200
Y
W
J
F
18:35
21:57
American Airlines
Oneworld
AA 2361
American Airlines
Airbus A321neo
Y
W
J
F
18:47
21:52
Alaska
Oneworld
AS 443
Alaska
Boeing 737 MAX 9
Y
W
J
F
18:47
21:52
Alaska
Oneworld
AS 443
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
18:47
21:52
Alaska
Oneworld
AS 443
Alaska
Boeing 737 MAX 9
Y
W
J
F
18:47
21:52
Alaska
Oneworld
AS 443
Alaska
Boeing 737 MAX 9
Y
W
J
F
18:58
22:02
Alaska
Oneworld
AS 443
Alaska
Boeing 737 MAX 9
Y
W
J
F
18:58
22:02
Alaska
Oneworld
AS 443
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
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