Southwest Airlines flights from Sacramento (SMF) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 06:20 Sacramento (SMF) B 08:20 Seattle-Tacoma (SEA)
Southwest Airlines WN 4660 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-03-10 through 2026-04-01
Sun 06:00 Sacramento (SMF) B 08:00 Seattle-Tacoma (SEA)
Southwest Airlines WN 4722 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-08-09 through 2026-09-27
Tue,Wed 05:00 Sacramento (SMF) B 06:55 Seattle-Tacoma (SEA)
Southwest Airlines WN 4920 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 05:20 Sacramento (SMF) B 07:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 4920 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-06-04 through 2026-08-03
Sun 06:45 Sacramento (SMF) B 08:40 Seattle-Tacoma (SEA)
Southwest Airlines WN 4920 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-06-07 through 2026-08-02
Sat 14:10 Sacramento (SMF) B 16:05 Seattle-Tacoma (SEA)
Southwest Airlines WN 4920 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-06-06 through 2026-08-01
Sat 21:15 Sacramento (SMF) B 23:10 Seattle-Tacoma (SEA)
Southwest Airlines WN 4985 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 21:55 Sacramento (SMF) B 23:50 Seattle-Tacoma (SEA)
Southwest Airlines WN 4985 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-06-04 through 2026-08-03
Non-Direct Flights:
Mon,Thu,Fri 14:00 Sacramento (SMF) B 21:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 1571 2-stop Boeing 737-700 (Scimitar Winglets) 7:15 Effective 2026-03-05 through 2026-04-06
prev   1 2 3


Southwest Airlines flights from Sacramento (SMF) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 7:15, 2-stop
Boeing 737-700 (Scimitar Winglets)
prev        Page 3 / 3
  • A domestic route departing from the Sacramento airport (SMF) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 606 miles, or 975 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:55 and 2:05.