Southwest Airlines flights from Seattle-Tacoma (SEA) to San Antonio (SAT).

Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:
Mon,Thu,Fri 15:05 Seattle-Tacoma (SEA) 22:50 San Antonio (SAT) A
Southwest Airlines WN 1404 1-stop Boeing 737 MAX 8 (7M8) 5:45 Effective 2026-06-04 through 2026-08-03
Sat 16:55 Seattle-Tacoma (SEA) 00:25 San Antonio (SAT) A
Southwest Airlines WN 4121 1-stop Boeing 737 MAX 8 (7M8) 5:30 Valid until 2026-01-03
The flight arrives 1 day after departure.
Mon 07:10 Seattle-Tacoma (SEA) 16:50 San Antonio (SAT) A
Southwest Airlines WN 1926 2-stop Boeing 737-700 (Scimitar Winglets) 7:40 Operates only on 2026-01-05
Tue,Wed 15:00 Seattle-Tacoma (SEA) 00:55 San Antonio (SAT) A
Southwest Airlines WN 3710 2-stop Boeing 737 MAX 8 (7M8) 7:55 Effective 2026-03-10 through 2026-04-01
The flight arrives 1 day after departure.


Southwest Airlines flights from Seattle-Tacoma (SEA) to San Antonio (SAT).
Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:

Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:30, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Non-Direct Flights:

Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:40, 2-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:55, 2-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at San Antonio airport (SAT).
  • The flight distance is 1772 miles, or 2853 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . 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.