All airlines flying from Philadelphia (PHL) to Seattle-Tacoma (SEA).

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 18:20 Philadelphia (PHL) D 21:33 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 MAX 9 (7M9) 6:13 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by Alaska Airlines.(AS 754)
Mon-Thu,Sun 18:22 Philadelphia (PHL) D 21:35 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 MAX 9 (7M9) 6:13 Effective 2026-03-08 through 2026-03-12
Codeshare flight, operated by Alaska Airlines.(AS 443)
Fri-Sun 18:22 Philadelphia (PHL) D 21:35 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 (737) 6:13 Effective 2026-03-13 through 2026-03-15
Codeshare flight, operated by Alaska Airlines.(AS 443)
Mon,Tue 18:22 Philadelphia (PHL) D 21:35 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 MAX 9 (7M9) 6:13 Effective 2026-03-16 through 2026-03-17
Codeshare flight, operated by Alaska Airlines.(AS 443)
Wed 18:35 Philadelphia (PHL) D 21:47 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 (737) 6:12 Operates only on 2026-03-18
Codeshare flight, operated by Alaska Airlines.(AS 443)
Daily 18:35 Philadelphia (PHL) D 21:44 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 (737) 6:09 Effective 2026-03-19 through 2026-04-21
Codeshare flight, operated by Alaska Airlines.(AS 443)
Mon,Thu,Fri,Sun 18:44 Philadelphia (PHL) D 21:59 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 (737) 6:15 Valid until 2026-01-05
Codeshare flight, operated by Alaska Airlines.(AS 443)
Tue,Wed,Sat 18:44 Philadelphia (PHL) D 21:59 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 MAX 9 (7M9) 6:15 Valid until 2026-01-06
Codeshare flight, operated by Alaska Airlines.(AS 443)
Tue,Wed,Sat 19:06 Philadelphia (PHL) D 22:29 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 MAX 9 (7M9) 6:23 Effective 2026-01-07 through 2026-01-20
Codeshare flight, operated by Alaska Airlines.(AS 443)
Mon,Thu,Fri,Sun 19:06 Philadelphia (PHL) D 22:29 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 (737) 6:23 Effective 2026-01-08 through 2026-01-19
Codeshare flight, operated by Alaska Airlines.(AS 443)
Wed,Fri,Sun 19:06 Philadelphia (PHL) D 22:29 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 (737) 6:23 Effective 2026-01-21 through 2026-01-25
Codeshare flight, operated by Alaska Airlines.(AS 443)
Mon-Thu,Sat 19:06 Philadelphia (PHL) D 22:29 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 MAX 9 (7M9) 6:23 Effective 2026-01-22 through 2026-01-28
Codeshare flight, operated by Alaska Airlines.(AS 443)
Mon,Wed-Fri 19:06 Philadelphia (PHL) D 22:29 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 (737) 6:23 Effective 2026-01-29 through 2026-02-06
Codeshare flight, operated by Alaska Airlines.(AS 443)
Tue,Sat,Sun 19:06 Philadelphia (PHL) D 22:29 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 MAX 9 (7M9) 6:23 Effective 2026-01-31 through 2026-02-07
Codeshare flight, operated by Alaska Airlines.(AS 443)
Sun 19:06 Philadelphia (PHL) D 22:29 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 (737) 6:23 Operates only on 2026-02-08
Codeshare flight, operated by Alaska Airlines.(AS 443)
Mon-Wed 19:06 Philadelphia (PHL) D 22:29 Seattle-Tacoma (SEA)
Hawaiian Airlines HA 6429 Non-stop Boeing 737 MAX 9 (7M9) 6:23 Effective 2026-02-09 through 2026-02-11
Codeshare flight, operated by Alaska Airlines.(AS 443)
Mon,Wed-Fri,Sun 18:35 Philadelphia (PHL) A 21:57 Seattle-Tacoma (SEA)
British Airways BA 6730 Non-stop Airbus A321neo (32Q) 6:22 Effective 2026-03-29 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 2361)
Daily 18:35 Philadelphia (PHL) A 21:41 Seattle-Tacoma (SEA)
British Airways BA 6730 Non-stop Airbus A321 (321) 6:06 Effective 2026-10-05 through 2026-10-24
Codeshare flight, operated by American Airlines.(AA 2298)
Mon-Wed,Fri-Sun 18:45 Philadelphia (PHL) A 22:04 Seattle-Tacoma (SEA)
British Airways BA 6730 Non-stop Airbus A321neo (32Q) 6:19 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2361)
Thu 18:48 Philadelphia (PHL) A 22:07 Seattle-Tacoma (SEA)
British Airways BA 6730 Non-stop Airbus A321neo (32Q) 6:19 Operates only on 2026-01-01
Codeshare flight, operated by American Airlines.(AA 2361)
Daily 18:50 Philadelphia (PHL) A 22:07 Seattle-Tacoma (SEA)
British Airways BA 6730 Non-stop Airbus A321neo (32Q) 6:17 Effective 2026-01-06 through 2026-02-08
Codeshare flight, operated by American Airlines.(AA 2311)
Tue,Wed 18:50 Philadelphia (PHL) A 22:07 Seattle-Tacoma (SEA)
British Airways BA 6730 Non-stop Airbus A321neo (32Q) 6:17 Effective 2026-02-10 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2311)
Mon-Sat 18:50 Philadelphia (PHL) A 22:18 Seattle-Tacoma (SEA)
British Airways BA 6730 Non-stop Airbus A321neo (32Q) 6:28 Effective 2026-02-12 through 2026-02-21
Codeshare flight, operated by American Airlines.(AA 2361)
Daily 18:50 Philadelphia (PHL) A 22:18 Seattle-Tacoma (SEA)
British Airways BA 6730 Non-stop Airbus A321neo (32Q) 6:28 Effective 2026-02-22 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 2361)
Tue,Sat 18:51 Philadelphia (PHL) A 22:13 Seattle-Tacoma (SEA)
British Airways BA 6730 Non-stop Airbus A321neo (32Q) 6:22 Effective 2026-03-10 through 2026-04-04
Codeshare flight, operated by American Airlines.(AA 2361)
Daily 19:10 Philadelphia (PHL) A 22:26 Seattle-Tacoma (SEA)
British Airways BA 6730 Non-stop Airbus A321 (321) 6:16 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 1823)
Daily 19:40 Philadelphia (PHL) A 22:54 Seattle-Tacoma (SEA)
British Airways BA 6730 Non-stop Airbus A321 (321) 6:14 Effective 2026-05-21 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 3259)
Daily 18:20 Philadelphia (PHL) D 21:33 Seattle-Tacoma (SEA)
Starlux Airlines JX 7081 Non-stop Boeing 737 MAX 9 (7M9) 6:13 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by Alaska Airlines.(AS 754)
Mon-Thu,Sun 18:22 Philadelphia (PHL) D 21:35 Seattle-Tacoma (SEA)
Starlux Airlines JX 7081 Non-stop Boeing 737 MAX 9 (7M9) 6:13 Effective 2026-03-08 through 2026-03-12
Codeshare flight, operated by Alaska Airlines.(AS 443)
Fri-Sun 18:22 Philadelphia (PHL) D 21:35 Seattle-Tacoma (SEA)
Starlux Airlines JX 7081 Non-stop Boeing 737 (73J) 6:13 Effective 2026-03-13 through 2026-03-15
Codeshare flight, operated by Alaska Airlines.(AS 443)
Mon,Tue 18:22 Philadelphia (PHL) D 21:35 Seattle-Tacoma (SEA)
Starlux Airlines JX 7081 Non-stop Boeing 737 MAX 9 (7M9) 6:13 Effective 2026-03-16 through 2026-03-17
Codeshare flight, operated by Alaska Airlines.(AS 443)
Wed 18:35 Philadelphia (PHL) D 21:47 Seattle-Tacoma (SEA)
Starlux Airlines JX 7081 Non-stop Boeing 737 (73J) 6:12 Operates only on 2026-03-18
Codeshare flight, operated by Alaska Airlines.(AS 443)
Daily 18:35 Philadelphia (PHL) D 21:44 Seattle-Tacoma (SEA)
Starlux Airlines JX 7081 Non-stop Boeing 737 (73J) 6:09 Effective 2026-03-19 through 2026-05-12
Codeshare flight, operated by Alaska Airlines.(AS 443)
Daily 18:52 Philadelphia (PHL) D 22:01 Seattle-Tacoma (SEA)
Starlux Airlines JX 7081 Non-stop Boeing 737 (73J) 6:09 Effective from 2026-06-10
Codeshare flight, operated by Alaska Airlines.(AS 442)
Daily 18:59 Philadelphia (PHL) D 21:58 Seattle-Tacoma (SEA)
Starlux Airlines JX 7081 Non-stop Boeing 737 (73J) 5:59 Effective 2026-05-13 through 2026-06-09
Codeshare flight, operated by Alaska Airlines.(AS 442)
Mon-Thu,Sat 08:10 Philadelphia (PHL) 11:05 Seattle-Tacoma (SEA)
Cathay Pacific CX 7682 Non-stop Airbus A321 (321) 5:55 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 2544)
Mon-Thu,Sat 08:10 Philadelphia (PHL) 11:04 Seattle-Tacoma (SEA)
Cathay Pacific CX 7682 Non-stop Airbus A321 (321) 5:54 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 2870)
Daily 18:50 Philadelphia (PHL) 22:07 Seattle-Tacoma (SEA)
Qatar Airways QR 7844 Non-stop Airbus A321neo (32Q) 6:17 Effective 2026-01-06 through 2026-02-08
Codeshare flight, operated by American Airlines.(AA 2311)
Tue,Wed 18:50 Philadelphia (PHL) 22:07 Seattle-Tacoma (SEA)
Qatar Airways QR 7844 Non-stop Airbus A321neo (32Q) 6:17 Effective 2026-02-10 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2311)
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All airlines flying from Philadelphia (PHL) to Seattle-Tacoma (SEA).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 754)
Duration: 6:13, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Effective 2026-03-08 through 2026-03-12
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:13, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Effective 2026-03-13 through 2026-03-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:13, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Effective 2026-03-16 through 2026-03-17
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:13, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:12, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Effective 2026-03-19 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:09, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Valid until 2026-01-06
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:15, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Effective 2026-01-07 through 2026-01-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:23, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Effective 2026-01-08 through 2026-01-19
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:23, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Effective 2026-01-21 through 2026-01-25
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:23, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Effective 2026-01-22 through 2026-01-28
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:23, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Effective 2026-01-29 through 2026-02-06
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:23, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Effective 2026-01-31 through 2026-02-07
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:23, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Operates only on 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:23, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Effective 2026-02-09 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:23, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Effective 2026-03-29 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2361)
Duration: 6:22, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-10-05 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2298)
Duration: 6:06, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2361)
Duration: 6:19, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2361)
Duration: 6:19, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-01-06 through 2026-02-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2311)
Duration: 6:17, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2311)
Duration: 6:17, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-02-12 through 2026-02-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2361)
Duration: 6:28, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-02-22 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2361)
Duration: 6:28, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-03-10 through 2026-04-04
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2361)
Duration: 6:22, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1823)
Duration: 6:16, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Effective 2026-05-21 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3259)
Duration: 6:14, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 754)
Duration: 6:13, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Effective 2026-03-08 through 2026-03-12
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:13, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Effective 2026-03-13 through 2026-03-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:13, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-03-16 through 2026-03-17
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:13, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:12, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 443)
Duration: 6:09, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 442)
Duration: 6:09, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 442)
Duration: 5:59, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2544)
Duration: 5:55, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2870)
Duration: 5:54, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Effective 2026-01-06 through 2026-02-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2311)
Duration: 6:17, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2311)
Duration: 6:17, non-stop
Airbus A321neo (32Q)
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  • A domestic route departing from the Philadelphia airport (PHL) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 2371 miles, or 3815 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 5:54 and 6:28.