Airlines with flights from San Antonio to Seattle
There are 6 airlines with scheduled flights between SAT and SEA. Alaska Airlines is the only airline with non-stop flights from San Antonio International to Seattle Airport and the flight time is 4 hours and 25 minutes.
Choose airline
Schedules
Non-stop with Alaska Airlines
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Total flight time: 4 hours and 25 minutes
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One World Alliance
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Seattle is a Alaska Airlines hub (Primary hub).
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14 flights per week
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Boeing 737MAX 9 PassengerBoeing 737-900 (winglets) Passenger/BBJ3
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Business and first class available
SAT
Direct
SEA
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
AS519
07:02
07:02
07:02
07:02
07:02
07:02
07:02
AS494
16:44
16:44
16:44
16:44
16:44
16:44
16:44
The timetable & schedule information was updated at 2026-04-21
Via Denver with Southwest Airlines
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Total flight time: 5h 45m - 9h 35m.
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Low-cost airline
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122 flights per week
SAT
Via DEN
SEA
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
WN3565
WN1713
WN1713
05:20
05:45
05:45
05:20
05:20
----
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WN3484
WN1713
WN1713
----
----
----
----
----
----
05:30
WN3565
WN1780
WN1780
----
----
----
----
----
05:40
----
WN1577
WN4130
WN4130
09:05
----
----
09:05
09:05
----
----
WN4678
WN4030
WN4030
----
----
----
----
----
----
13:25
WN3568
WN3856
WN3856
18:30
18:35
18:35
18:30
18:30
18:20
18:40
The timetable & schedule information was updated at 2026-04-21
Via Salt Lake City with Delta Air Lines
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Total flight time: 5h 48m - 8h 06m.
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Sky Team Alliance
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Seattle is a Delta Air Lines hub.
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86 flights per week
SAT
Via SLC
SEA
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
DL930
DL2817
DL2817
12:36
12:36
12:39
12:36
12:36
----
12:36
DL2680
DL871
DL871
----
----
----
----
----
13:35
----
DL2685
DL2016
DL2016
18:03
18:03
18:03
18:03
18:03
----
18:03
The timetable & schedule information was updated at 2026-04-21
Via Denver with United Airlines
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Total flight time: 6h 00m - 11h 26m.
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147 flights per week
SAT
Via DEN
SEA
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
UA1464
UA2271
UA2271
05:39
05:30
05:30
05:30
05:30
05:30
05:30
UA2853
UA1424
UA1424
08:53
08:53
08:53
08:53
08:53
08:53
08:53
UA1007
UA2013
UA2013
13:39
13:39
13:39
13:39
13:39
13:39
13:39
UA2479
UA360
UA360
16:35
16:35
16:35
16:35
16:35
16:35
16:35
The timetable & schedule information was updated at 2026-04-21
Via Phoenix with Southwest Airlines
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Total flight time: 6h 00m - 11h 20m.
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Low-cost airline
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132 flights per week
SAT
Via PHX
SEA
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
WN4123
WN3330
WN3330
06:35
06:45
06:45
06:35
06:35
----
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WN4123
WN2873
WN2873
----
----
----
----
----
06:35
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WN670
WN3585
WN3585
----
----
----
----
----
----
12:25
WN3794
WN3600
WN3600
----
----
----
----
----
12:40
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WN3454
WN2250
WN2250
----
17:55
17:55
----
----
----
----
WN2120
WN3125
WN3125
----
----
----
----
----
----
19:40
WN994
WN286
WN286
----
----
----
----
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19:45
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WN3588
WN1418
WN1418
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20:25
20:25
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----
----
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WN1822
WN3429
WN3429
20:25
----
----
20:25
20:25
----
----
WN3588
WN3429
WN3429
21:40
----
----
21:40
21:40
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The timetable & schedule information was updated at 2026-04-21

There are 6 airlines with scheduled flights between SAT and SEA. Alaska Airlines is the only airline with non-stop flights from San Antonio International to Seattle Airport and the flight time is 4 hours and 25 minutes.
Via Dallas with American Airlines
Via Las Vegas with Frontier