Airlines with flights from Seattle to Philadelphia

There are 7 airlines with scheduled flights between SEA and PHL. American Airlines, Alaska Airlines and Delta has non-stop flights from Seattle Airport to Philadelphia International Airport and the flight time is 5 hours and 19 minutes.

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Schedules

American Airlines

Non-stop with American Airlines

  • Total flight time: 5 hours and 19 minutes
  • One World Alliance
  • Philadelphia is a American Airlines hub.
  • 21 flights per week
  • Airbus A321
  • Business and first class available
SEA
Direct
PHL
 
Flight
Mon
Aug 3
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Aug 4
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Aug 5
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Aug 7
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Aug 8
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Aug 9
AA986
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08:10
08:10
08:10
08:10
08:10
AA3219
08:20
08:20
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AA2534
12:40
12:40
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AA2870
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12:50
12:50
12:50
12:50
AA2886
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21:58
21:58
21:58
21:58
22:28
AA2522
22:35
22:35
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CHECK PRICES FOR SEA - PHL

The timetable & schedule information was updated at 2026-04-22

Alaska Airlines

Non-stop with Alaska Airlines

  • Total flight time: 5 hours and 13 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 14 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737MAX 9 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
  • Business and first class available
SEA
Direct
PHL
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AS442
08:28
08:28
08:28
08:28
08:28
08:28
08:28
AS522
22:02
22:02
22:02
22:02
22:02
22:02
22:02
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - PHL

The timetable & schedule information was updated at 2026-04-22

Delta Air Lines

Non-stop with Delta Air Lines

  • Total flight time: 5 hours and 14 minutes
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 7 flights per week
  • Airbus A321neo
  • First class available
SEA
Direct
PHL
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
DL1114
21:30
21:30
21:30
21:30
21:30
21:30
21:30
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - PHL

The timetable & schedule information was updated at 2026-04-22

Delta Air Lines

Via Detroit with Delta Air Lines

  • Total flight time: 6h 25m - 8h 56m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 71 flights per week
  • Airbus A321neo
SEA
 
Via DTW
 
PHL
 
Flight
Mon
Aug 3
Tue
Aug 4
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Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
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Aug 9
DL812
DL1391
05:20
05:20
05:20
05:20
05:20
05:20
05:20
DL2324
DL1686
09:45
09:45
09:45
09:45
09:45
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09:45
DL1706
DL2402
11:20
11:20
11:20
11:20
11:20
11:20
11:20
DL2434
DL2968
21:45
21:45
21:45
21:45
21:45
21:45
21:45
DL810
DL2968
23:11
23:11
23:11
23:11
23:11
23:11
23:11
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - PHL

The timetable & schedule information was updated at 2026-04-22

Delta Air Lines

Via Minneapolis with Delta Air Lines

  • Total flight time: 6h 27m - 8h 55m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 70 flights per week
  • Airbus A321neo
SEA
 
Via MSP
 
PHL
 
Flight
Mon
Aug 3
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Aug 4
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Aug 5
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Aug 6
Fri
Aug 7
Sat
Aug 8
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Aug 9
DL941
DL2703
12:04
12:04
12:04
12:04
12:04
12:04
12:04
DL942
DL2703
14:30
14:30
14:30
14:30
14:30
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14:30
DL953
DL2688
23:59
23:59
23:59
23:59
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23:59
23:59
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - PHL

The timetable & schedule information was updated at 2026-04-22

Southwest Airlines

Via Chicago with Southwest Airlines

  • Total flight time: 6h 40m - 9h 50m.
  • Low-cost airline
  • 42 flights per week
SEA
 
Via MDW
 
PHL
 
Flight
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Aug 3
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WN662
WN1377
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05:15
05:15
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WN1396
WN1573
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05:20
05:20
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WN2810
WN4351
05:30
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WN409
WN1758
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05:30
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WN2194
WN1573
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05:40
WN2194
WN1758
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07:40
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WN247
WN3485
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10:45
10:45
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WN142
WN4897
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10:50
10:50
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WN3081
WN4263
11:45
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WN3534
WN4940
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23:05
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WN3534
WN2791
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23:05
23:05
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23:05
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - PHL

The timetable & schedule information was updated at 2026-04-22

Southwest Airlines

Via Denver with Southwest Airlines

  • Total flight time: 6h 45m - 11h 35m.
  • Low-cost airline
  • 77 flights per week
SEA
 
Via DEN
 
PHL
 
Flight
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Aug 3
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Aug 9
WN3615
WN3157
05:15
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WN4697
WN1622
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06:40
06:40
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06:50
05:20
WN1384
WN1622
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06:30
06:30
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WN3397
WN3286
07:50
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WN1921
WN1536
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08:55
WN1663
WN686
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10:20
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WN2860
WN639
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10:45
10:45
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WN3616
WN2686
12:20
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WN428
WN1624
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12:40
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WN1384
WN1624
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12:55
12:55
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WN2690
WN1624
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13:55
WN3617
WN2686
14:35
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SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - PHL

The timetable & schedule information was updated at 2026-04-22

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Flight data on this page was last updated on 2026-07-13
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