Airlines with flights from Seattle to San Antonio
There are 6 airlines with scheduled flights between SEA and SAT. Alaska Airlines is the only airline with non-stop flights from Seattle Airport to San Antonio International and the flight time is 4 hours and 9 minutes.
There are 6 airlines with scheduled flights between SEA and SAT. Alaska Airlines is the only airline with non-stop flights from Seattle Airport to San Antonio International and the flight time is 4 hours and 9 minutes. Choose airline
Direct
Non-stop
4h 9min
Via Salt Lake City
5h 20min
Via Denver
5h 25min
Via Phoenix
5h 27min
Via Phoenix
5h 35min
Via Dallas
5h 43min
Via Denver
5h 43min
Via Dallas
5h 45min
Via Las Vegas
5h 50min
Via Houston
6h 17min
Via Las Vegas
6h 37min
Via Los Angeles
6h 44min
Via Los Angeles
6h 46min
Via San Francisco
6h 56min
Via San Jose
7h 45min
Via Los Angeles
7h 50min
NEW
Via Kansas City
9h 25min
Starts 09/06
Via San Diego
7h 15min
Starts 06/08
Via Oakland
7h 55min
Starts 01/10
Via Sacramento
7h 50min
Schedules
Non-stop with Alaska Airlines
-
Total flight time: 4 hours and 9 minutes
-
One World Alliance
-
Seattle is a Alaska Airlines hub (Primary hub).
-
14 flights per week
-
Boeing 737-900 (winglets) Passenger/BBJ3Boeing 737MAX 9 Passenger
-
Business and first class available
SEA
Direct
SAT
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AS494
09:38
09:38
09:38
09:38
09:38
09:38
09:38
AS520
22:58
22:58
22:58
22:58
22:58
22:58
22:58
The timetable & schedule information was updated at 2026-04-22
Via Salt Lake City with Delta Air Lines
-
Total flight time: 5h 20m - 7h 59m.
-
Sky Team Alliance
-
Seattle is a Delta Air Lines hub.
-
69 flights per week
SEA
Via SLC
SAT
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
DL1128
DL3123
DL3123
05:30
05:30
05:30
05:30
05:30
05:30
05:30
DL1016
DL2680
DL2680
09:26
09:26
09:26
09:26
09:26
----
09:26
DL1120
DL2797
DL2797
----
----
----
----
----
13:30
----
The timetable & schedule information was updated at 2026-04-22
Via Denver with Southwest Airlines
-
Total flight time: 5h 25m - 10h 15m.
-
Low-cost airline
-
113 flights per week
SEA
Via DEN
SAT
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN3615
WN3149
WN3149
----
05:15
05:15
----
----
----
----
WN3615
WN3014
WN3014
----
----
----
----
----
----
05:30
WN3397
WN1316
WN1316
07:50
----
----
07:50
07:50
----
----
WN4231
WN1316
WN1316
----
----
----
----
09:30
----
----
WN3397
WN4017
WN4017
----
----
----
----
----
09:45
----
WN3616
WN1708
WN1708
12:20
----
----
12:20
12:20
----
----
WN3617
WN2073
WN2073
14:35
----
----
14:35
14:35
13:30
----
WN1049
WN2073
WN2073
----
14:15
14:15
----
----
----
----
WN1166
WN2073
WN2073
----
----
----
----
----
----
14:25
The timetable & schedule information was updated at 2026-04-22
Via Phoenix with American Airlines
-
Total flight time: 5h 27m - 8h 24m.
-
One World Alliance
-
123 flights per week
SEA
Via PHX
SAT
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA3792
AA450
AA450
06:20
06:20
06:20
06:20
06:20
06:20
06:20
AA3440
AA3832
AA3832
15:20
15:20
15:20
15:20
15:20
15:20
15:20
The timetable & schedule information was updated at 2026-04-22
Via Phoenix with Southwest Airlines
-
Total flight time: 5h 35m - 10h 20m.
-
Low-cost airline
-
87 flights per week
SEA
Via PHX
SAT
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN875
WN174
WN174
----
06:15
06:15
----
----
----
----
WN3001
WN2986
WN2986
06:25
----
----
06:25
06:25
----
----
WN1493
WN2154
WN2154
----
----
----
----
----
----
07:40
WN882
WN1230
WN1230
----
10:55
10:55
----
----
----
----
WN3623
WN1230
WN1230
11:10
----
----
11:10
11:10
----
----
WN3190
WN1623
WN1623
----
14:00
14:00
----
----
----
----
WN3742
WN3328
WN3328
----
----
----
----
----
----
14:50
WN3231
WN3328
WN3328
----
----
----
----
----
----
15:30
The timetable & schedule information was updated at 2026-04-22
Via Denver with United
Via Las Vegas with Frontier