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

Alaska Airlines

Non-stop with Alaska Airlines

  • Total flight time: 4 hours and 25 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 14 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-900 (winglets) Passenger/BBJ3
  • Business and first class available
SAT
Direct
SEA

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Denver with Southwest Airlines

  • Total flight time: 5h 45m - 9h 35m.
  • Low-cost airline
  • 122 flights per week
SAT
 
Via DEN
 
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN3565
WN1713
05:20
05:45
05:45
05:20
05:20
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WN3484
WN1713
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05:30
WN3565
WN1780
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05:40
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WN1577
WN4130
09:05
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09:05
09:05
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WN4678
WN4030
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13:25
WN3568
WN3856
18:30
18:35
18:35
18:30
18:30
18:20
18:40
SHOW RETURN SCHEDULE
CHECK PRICES FOR SAT - SEA

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Salt Lake City with Delta Air Lines

  • Total flight time: 5h 48m - 8h 06m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 86 flights per week
SAT
 
Via SLC
 
SEA

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Denver with United Airlines

  • Total flight time: 6h 00m - 11h 26m.
  • 147 flights per week
SAT
 
Via DEN
 
SEA

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Phoenix with Southwest Airlines

  • Total flight time: 6h 00m - 11h 20m.
  • Low-cost airline
  • 132 flights per week
SAT
 
Via PHX
 
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN4123
WN3330
06:35
06:45
06:45
06:35
06:35
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WN4123
WN2873
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06:35
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WN670
WN3585
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12:25
WN3794
WN3600
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12:40
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WN3454
WN2250
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17:55
17:55
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WN2120
WN3125
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19:40
WN994
WN286
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19:45
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WN3588
WN1418
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20:25
20:25
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WN1822
WN3429
20:25
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20:25
20:25
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WN3588
WN3429
21:40
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----
21:40
21:40
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SHOW RETURN SCHEDULE
CHECK PRICES FOR SAT - SEA

The timetable & schedule information was updated at 2026-04-21

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At Airlineinformation.com you can learn all about the airlines operating around the world together with their destinations and where they operate. You will get a transparent overview of airlines with scheduled flights between any two destinations with non-stop or 1-stop flights regardless of price or availability.
Flight data on this page was last updated on 2026-06-02