Southwest Airlines flights from Los Angeles (LAX) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:
Sat 08:25 Los Angeles (LAX) 1 12:40 Seattle-Tacoma (SEA)
Southwest Airlines WN 279 1-stop Boeing 737-700 (Scimitar Winglets) 4:15 Effective 2026-01-10 through 2026-02-07
Sun 08:35 Los Angeles (LAX) 1 13:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 739 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Effective 2026-06-07 through 2026-08-02
Tue,Wed 16:10 Los Angeles (LAX) 1 20:20 Seattle-Tacoma (SEA)
Southwest Airlines WN 1080 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2026-04-07 through 2026-06-03
Sat 15:30 Los Angeles (LAX) 1 19:40 Seattle-Tacoma (SEA)
Southwest Airlines WN 1184 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2026-04-11 through 2026-05-30
Tue,Wed 19:40 Los Angeles (LAX) 1 00:40 Seattle-Tacoma (SEA)
Southwest Airlines WN 1418 1-stop Boeing 737-800 (73H) 5:00 Effective 2026-06-09 through 2026-07-29
The flight arrives 1 day after departure.
Fri,Sun 07:30 Los Angeles (LAX) 1 11:35 Seattle-Tacoma (SEA)
Southwest Airlines WN 1456 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-01-02 through 2026-01-04
Sat 07:30 Los Angeles (LAX) 1 11:35 Seattle-Tacoma (SEA)
Southwest Airlines WN 1499 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-04-11 through 2026-05-30
Sun 20:55 Los Angeles (LAX) 1 01:10 Seattle-Tacoma (SEA)
Southwest Airlines WN 1499 1-stop Boeing 737-800 (73H) 4:15 Effective 2026-04-12 through 2026-05-17
The flight arrives 1 day after departure.
Sun 20:55 Los Angeles (LAX) 1 01:10 Seattle-Tacoma (SEA)
Southwest Airlines WN 1499 1-stop Boeing 737-800 (73H) 4:15 Operates only on 2026-05-31
The flight arrives 1 day after departure.
Tue,Wed 14:15 Los Angeles (LAX) 1 19:30 Seattle-Tacoma (SEA)
Southwest Airlines WN 1571 1-stop Boeing 737-800 (73H) 5:15 Effective 2026-03-10 through 2026-04-01
Mon,Thu,Fri 16:05 Los Angeles (LAX) 1 21:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 1571 1-stop Boeing 737-700 (Scimitar Winglets) 5:10 Effective 2026-03-05 through 2026-04-06
Wed,Thu 07:25 Los Angeles (LAX) 1 11:35 Seattle-Tacoma (SEA)
Southwest Airlines WN 1723 1-stop Boeing 737-700 (73W) 4:10 Valid until 2026-01-01
Mon-Fri 14:30 Los Angeles (LAX) 1 18:35 Seattle-Tacoma (SEA)
Southwest Airlines WN 1740 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 14:30 Los Angeles (LAX) 1 18:35 Seattle-Tacoma (SEA)
Southwest Airlines WN 1740 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-01-18 through 2026-01-23
Mon-Fri 14:30 Los Angeles (LAX) 1 18:35 Seattle-Tacoma (SEA)
Southwest Airlines WN 1740 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 14:30 Los Angeles (LAX) 1 18:35 Seattle-Tacoma (SEA)
Southwest Airlines WN 1740 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-02-08 through 2026-02-11
Tue,Wed 14:30 Los Angeles (LAX) 1 18:35 Seattle-Tacoma (SEA)
Southwest Airlines WN 1740 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-02-18 through 2026-03-04
Mon 13:05 Los Angeles (LAX) 1 17:20 Seattle-Tacoma (SEA)
Southwest Airlines WN 1780 1-stop Boeing 737-700 (Scimitar Winglets) 4:15 Operates only on 2026-01-05
Sun 09:40 Los Angeles (LAX) 1 14:05 Seattle-Tacoma (SEA)
Southwest Airlines WN 1841 1-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2026-03-08 through 2026-04-05
Tue,Wed 16:55 Los Angeles (LAX) 1 21:00 Seattle-Tacoma (SEA)
Southwest Airlines WN 1914 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 19:50 Los Angeles (LAX) 1 00:55 Seattle-Tacoma (SEA)
Southwest Airlines WN 2118 1-stop Boeing 737-800 (73H) 5:05 Effective 2026-04-09 through 2026-06-01
The flight arrives 1 day after departure.
Thu,Fri,Sun 07:40 Los Angeles (LAX) 1 12:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 2312 1-stop Boeing 737-700 (Scimitar Winglets) 4:35 Effective 2026-01-11 through 2026-01-16
Mon,Sun 07:40 Los Angeles (LAX) 1 12:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 2312 1-stop Boeing 737-700 (Scimitar Winglets) 4:35 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 07:40 Los Angeles (LAX) 1 12:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 2312 1-stop Boeing 737-700 (Scimitar Winglets) 4:35 Effective 2026-02-01 through 2026-02-06
Mon,Sun 07:40 Los Angeles (LAX) 1 12:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 2312 1-stop Boeing 737-700 (Scimitar Winglets) 4:35 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 07:40 Los Angeles (LAX) 1 12:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 2312 1-stop Boeing 737-700 (Scimitar Winglets) 4:35 Effective 2026-02-17 through 2026-02-23
Mon 07:40 Los Angeles (LAX) 1 12:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 2312 1-stop Boeing 737-700 (Scimitar Winglets) 4:35 Operates only on 2026-03-02
Mon 17:25 Los Angeles (LAX) 1 21:30 Seattle-Tacoma (SEA)
Southwest Airlines WN 2863 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Operates only on 2026-01-05
Fri,Sun 18:00 Los Angeles (LAX) 1 22:10 Seattle-Tacoma (SEA)
Southwest Airlines WN 3409 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2026-01-02 through 2026-01-04
Sun 08:10 Los Angeles (LAX) 1 12:10 Seattle-Tacoma (SEA)
Southwest Airlines WN 4708 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2026-06-07 through 2026-08-02




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Southwest Airlines flights from Los Angeles (LAX) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:
Southwest Airlines WN279
08:25
Los Angeles (LAX) 1

12:40
Seattle-Tacoma (SEA)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN739
08:35
Los Angeles (LAX) 1

13:15
Seattle-Tacoma (SEA)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1080
16:10
Los Angeles (LAX) 1

20:20
Seattle-Tacoma (SEA)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1184
15:30
Los Angeles (LAX) 1

19:40
Seattle-Tacoma (SEA)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1418
19:40
Los Angeles (LAX) 1

00:40(+1)
Seattle-Tacoma (SEA)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:00, 1-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN1456
07:30
Los Angeles (LAX) 1

11:35
Seattle-Tacoma (SEA)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1499
07:30
Los Angeles (LAX) 1

11:35
Seattle-Tacoma (SEA)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1499
20:55
Los Angeles (LAX) 1

01:10(+1)
Seattle-Tacoma (SEA)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, 1-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN1499
20:55
Los Angeles (LAX) 1

01:10(+1)
Seattle-Tacoma (SEA)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, 1-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN1571
14:15
Los Angeles (LAX) 1

19:30
Seattle-Tacoma (SEA)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:15, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN1571
16:05
Los Angeles (LAX) 1

21:15
Seattle-Tacoma (SEA)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:10, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1723
07:25
Los Angeles (LAX) 1

11:35
Seattle-Tacoma (SEA)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:10, 1-stop
Boeing 737-700 (73W)
Non-Direct Flights:
Southwest Airlines WN1740
14:30
Los Angeles (LAX) 1

18:35
Seattle-Tacoma (SEA)
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1740
14:30
Los Angeles (LAX) 1

18:35
Seattle-Tacoma (SEA)
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1740
14:30
Los Angeles (LAX) 1

18:35
Seattle-Tacoma (SEA)
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1740
14:30
Los Angeles (LAX) 1

18:35
Seattle-Tacoma (SEA)
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1740
14:30
Los Angeles (LAX) 1

18:35
Seattle-Tacoma (SEA)
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1780
13:05
Los Angeles (LAX) 1

17:20
Seattle-Tacoma (SEA)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1841
09:40
Los Angeles (LAX) 1

14:05
Seattle-Tacoma (SEA)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN1914
16:55
Los Angeles (LAX) 1

21:00
Seattle-Tacoma (SEA)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN2118
19:50
Los Angeles (LAX) 1

00:55(+1)
Seattle-Tacoma (SEA)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:05, 1-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN2312
07:40
Los Angeles (LAX) 1

12:15
Seattle-Tacoma (SEA)
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN2312
07:40
Los Angeles (LAX) 1

12:15
Seattle-Tacoma (SEA)
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN2312
07:40
Los Angeles (LAX) 1

12:15
Seattle-Tacoma (SEA)
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN2312
07:40
Los Angeles (LAX) 1

12:15
Seattle-Tacoma (SEA)
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN2312
07:40
Los Angeles (LAX) 1

12:15
Seattle-Tacoma (SEA)
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN2312
07:40
Los Angeles (LAX) 1

12:15
Seattle-Tacoma (SEA)
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN2863
17:25
Los Angeles (LAX) 1

21:30
Seattle-Tacoma (SEA)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3409
18:00
Los Angeles (LAX) 1

22:10
Seattle-Tacoma (SEA)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4708
08:10
Los Angeles (LAX) 1

12:10
Seattle-Tacoma (SEA)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
  • A domestic route departing from the Los Angeles airport (LAX) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 954 miles, or 1536 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
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