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

FLIGHT SCHEDULE
Direct Flights:
Sun 11:09 Seattle-Tacoma (SEA) 17:10 San Antonio (SAT) A Alaska Airlines AS 153 Non-stop Boeing 737 (73J) 4:01 Operates only on 2026-03-08
Daily 23:36 Seattle-Tacoma (SEA) 05:41 San Antonio (SAT) A Alaska Airlines AS 423 Non-stop Boeing 737 (73J) 4:05 Effective from 2026-06-10 The flight arrives 1 day after departure.
Wed 11:40 Seattle-Tacoma (SEA) 17:46 San Antonio (SAT) A Alaska Airlines AS 463 Non-stop Boeing 737 MAX 9 (7M9) 4:06 Operates only on 2026-01-07
Mon-Wed,Fri-Sun 11:09 Seattle-Tacoma (SEA) 17:10 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 MAX 9 (7M9) 4:01 Effective 2026-02-13 through 2026-02-28
Tue,Sun 11:09 Seattle-Tacoma (SEA) 17:10 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 (73J) 4:01 Effective 2026-03-01 through 2026-03-03
Mon,Wed,Fri,Sat 11:09 Seattle-Tacoma (SEA) 17:10 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 MAX 9 (7M9) 4:01 Effective 2026-03-02 through 2026-03-09
Mon-Wed,Fri,Sat 11:09 Seattle-Tacoma (SEA) 17:10 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 MAX 9 (7M9) 4:01 Effective 2026-03-10 through 2026-03-17
Sun 11:09 Seattle-Tacoma (SEA) 17:10 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 (73J) 4:01 Operates only on 2026-03-15
Thu 11:13 Seattle-Tacoma (SEA) 17:14 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 (73J) 4:01 Effective 2026-02-12 through 2026-03-12
Daily 11:40 Seattle-Tacoma (SEA) 17:45 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Effective 2026-01-08 through 2026-01-21
Thu 11:40 Seattle-Tacoma (SEA) 17:45 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 (73J) 4:05 Operates only on 2026-01-22
Daily 11:40 Seattle-Tacoma (SEA) 17:45 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Effective 2026-01-23 through 2026-02-06
Tue,Sat,Sun 11:40 Seattle-Tacoma (SEA) 17:45 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 (73J) 4:05 Effective 2026-02-07 through 2026-02-10
Mon 11:40 Seattle-Tacoma (SEA) 17:45 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Operates only on 2026-02-09
Wed 11:40 Seattle-Tacoma (SEA) 17:45 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737-800 (73H) 4:05 Operates only on 2026-02-11
Mon-Sat 11:52 Seattle-Tacoma (SEA) 17:55 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 MAX 9 (7M9) 4:03 Valid until 2026-01-03
Wed 12:00 Seattle-Tacoma (SEA) 17:58 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 (73J) 3:58 Operates only on 2026-03-18
Daily 12:00 Seattle-Tacoma (SEA) 18:02 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 (73J) 4:02 Effective 2026-03-19 through 2026-05-12
Daily 12:29 Seattle-Tacoma (SEA) 18:38 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 (73J) 4:09 Effective from 2026-06-11
Mon 12:38 Seattle-Tacoma (SEA) 18:37 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 (73J) 3:59 Operates only on 2026-01-05
Tue 12:38 Seattle-Tacoma (SEA) 18:37 San Antonio (SAT) A Alaska Airlines AS 494 Non-stop Boeing 737 MAX 9 (7M9) 3:59 Operates only on 2026-01-06
Sun 12:35 Seattle-Tacoma (SEA) 18:38 San Antonio (SAT) A Alaska Airlines AS 496 Non-stop Boeing 737 MAX 9 (7M9) 4:03 Operates only on 2026-01-04
Mon,Thu-Sun 23:03 Seattle-Tacoma (SEA) 05:05 San Antonio (SAT) A Alaska Airlines AS 520 Non-stop Boeing 737 (73J) 4:02 Valid until 2026-01-05 The flight arrives 1 day after departure.
Daily 23:11 Seattle-Tacoma (SEA) 05:10 San Antonio (SAT) A Alaska Airlines AS 568 Non-stop Boeing 737 (73J) 3:59 Effective 2026-05-13 through 2026-06-09 The flight arrives 1 day after departure.
Daily 12:21 Seattle-Tacoma (SEA) 18:28 San Antonio (SAT) A Alaska Airlines AS 654 Non-stop Boeing 737 (73J) 4:07 Effective 2026-05-13 through 2026-06-09
Wed 12:29 Seattle-Tacoma (SEA) 18:38 San Antonio (SAT) A Alaska Airlines AS 678 Non-stop Boeing 737 (73J) 4:09 Operates only on 2026-06-10
Tue 23:03 Seattle-Tacoma (SEA) 05:05 San Antonio (SAT) A Alaska Airlines AS 1460 Non-stop Boeing 737 MAX 9 (7M9) 4:02 Operates only on 2026-01-06 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.
For direct flights, the flight time varies between 3:58 and 4:09.

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FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS153

11:09

Seattle-Tacoma (SEA)

17:10

San Antonio (SAT) A

Operates only on 2026-03-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:01, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS423

23:36

Seattle-Tacoma (SEA)

05:41(+1)

San Antonio (SAT) A

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS463

11:40

Seattle-Tacoma (SEA)

17:46

San Antonio (SAT) A

Operates only on 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:06, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS494

11:09

Seattle-Tacoma (SEA)

17:10

San Antonio (SAT) A

Effective 2026-02-13 through 2026-02-28

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Duration: 4:01, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS494

11:09

Seattle-Tacoma (SEA)

17:10

San Antonio (SAT) A

Effective 2026-03-01 through 2026-03-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:01, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS494

11:09

Seattle-Tacoma (SEA)

17:10

San Antonio (SAT) A

Effective 2026-03-02 through 2026-03-09

Mon

Tue
-

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 4:01, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS494

11:09

Seattle-Tacoma (SEA)

17:10

San Antonio (SAT) A

Effective 2026-03-10 through 2026-03-17

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 4:01, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS494

11:09

Seattle-Tacoma (SEA)

17:10

San Antonio (SAT) A

Operates only on 2026-03-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:01, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS494

11:13

Seattle-Tacoma (SEA)

17:14

San Antonio (SAT) A

Effective 2026-02-12 through 2026-03-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:01, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS494

11:40

Seattle-Tacoma (SEA)

17:45

San Antonio (SAT) A

Effective 2026-01-08 through 2026-01-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS494

11:40

Seattle-Tacoma (SEA)

17:45

San Antonio (SAT) A

Operates only on 2026-01-22

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS494

11:40

Seattle-Tacoma (SEA)

17:45

San Antonio (SAT) A

Effective 2026-01-23 through 2026-02-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS494

11:40

Seattle-Tacoma (SEA)

17:45

San Antonio (SAT) A

Effective 2026-02-07 through 2026-02-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 4:05, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS494

11:40

Seattle-Tacoma (SEA)

17:45

San Antonio (SAT) A

Operates only on 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS494

11:40

Seattle-Tacoma (SEA)

17:45

San Antonio (SAT) A

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS494

11:52

Seattle-Tacoma (SEA)

17:55

San Antonio (SAT) A

Valid until 2026-01-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 4:03, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS494

12:00

Seattle-Tacoma (SEA)

17:58

San Antonio (SAT) A

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:58, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS494

12:00

Seattle-Tacoma (SEA)

18:02

San Antonio (SAT) A

Effective 2026-03-19 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:02, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS494

12:29

Seattle-Tacoma (SEA)

18:38

San Antonio (SAT) A

Effective from 2026-06-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:09, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS494

12:38

Seattle-Tacoma (SEA)

18:37

San Antonio (SAT) A

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:59, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS494

12:38

Seattle-Tacoma (SEA)

18:37

San Antonio (SAT) A

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:59, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS496

12:35

Seattle-Tacoma (SEA)

18:38

San Antonio (SAT) A

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:03, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS520

23:03

Seattle-Tacoma (SEA)

05:05(+1)

San Antonio (SAT) A

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 4:02, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS568

23:11

Seattle-Tacoma (SEA)

05:10(+1)

San Antonio (SAT) A

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:59, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS654

12:21

Seattle-Tacoma (SEA)

18:28

San Antonio (SAT) A

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:07, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS678

12:29

Seattle-Tacoma (SEA)

18:38

San Antonio (SAT) A

Operates only on 2026-06-10

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:09, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1460

23:03

Seattle-Tacoma (SEA)

05:05(+1)

San Antonio (SAT) A

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:02, non-stop
Boeing 737 MAX 9 (7M9)
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.
For direct flights, the flight time varies between 3:58 and 4:09.

All SEA-SAT flights

All Alaska Airlines flights

Return (SAT-SEA) flights

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