Airlines with flights from Seattle to San Diego
There are five airlines with scheduled flights between SEA and SAN. Alaska Airlines, Delta and Southwest has non-stop flights from Seattle Airport to San Diego International Airport and the flight time is 2 hours and 56 minutes.
Choose airline
Schedules
Non-stop with Alaska Airlines
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Total flight time: 2 hours and 56 minutes
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One World Alliance
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Seattle is a Alaska Airlines hub (Primary hub). San Diego is a Alaska Airlines focus city.
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61 flights per week
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Boeing 737-900 (winglets) Passenger/BBJ3Boeing 737MAX 9 PassengerBoeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 Passenger
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Business and first class available
Flight
The timetable & schedule information was updated at 2026-04-22
Non-stop with Delta Air Lines
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Total flight time: 2 hours and 52 minutes
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Sky Team Alliance
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Seattle is a Delta Air Lines hub.
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34 flights per week
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Boeing 737-800 PassengerBoeing 737-900 Passenger
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Business and first class available
Flight
The timetable & schedule information was updated at 2026-04-22
Non-stop with Southwest Airlines
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Total flight time: 2 hours and 45 minutes
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Low-cost airline
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7 flights per week
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Boeing 737MAX 8 PassengerBoeing 737-700 Passenger (Scimitar Winglets)Boeing 737-800 (winglets) Passenger/BBJ2
Flight
The timetable & schedule information was updated at 2026-04-22
Via Sacramento with Southwest Airlines
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Total flight time: 3h 50m - 7h 25m.
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Low-cost airline
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100 flights per week
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Boeing 737MAX 8 PassengerBoeing 737-700 Passenger (Scimitar Winglets)Boeing 737-800 (winglets) Passenger/BBJ2
Flight
WN1460
WN3818
WN2267
WN1790
WN1222
WN1532
WN4774
WN1297
WN3509
The timetable & schedule information was updated at 2026-04-22
Via Sacramento with Alaska Airlines
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Total flight time: 4h 04m - 6h 46m.
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One World Alliance
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Seattle is a Alaska Airlines hub (Primary hub). San Diego is a Alaska Airlines focus city.
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121 flights per week
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Boeing 737-900 (winglets) Passenger/BBJ3Boeing 737MAX 9 PassengerBoeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 Passenger
Flight
AS2101
AS3439
AS2406
AS2406
AS3036
The timetable & schedule information was updated at 2026-04-22
Via Oakland with Alaska Airlines
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Total flight time: 4h 12m - 6h 36m.
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One World Alliance
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Seattle is a Alaska Airlines hub (Primary hub). San Diego is a Alaska Airlines focus city.
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Boeing 737-900 (winglets) Passenger/BBJ3Boeing 737MAX 9 PassengerBoeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 Passenger
Flight
AS3313
AS3311
AS2229
The timetable & schedule information was updated at 2026-04-22
Via Portland with Alaska Airlines
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Total flight time: 4h 14m - 6h 33m.
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One World Alliance
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Seattle is a Alaska Airlines hub (Primary hub). San Diego is a Alaska Airlines focus city.
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264 flights per week
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Boeing 737-900 (winglets) Passenger/BBJ3Boeing 737MAX 9 PassengerBoeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 Passenger
Flight
AS1394
AS1312
AS369
AS369
AS721
AS721
The timetable & schedule information was updated at 2026-04-22

There are five airlines with scheduled flights between SEA and SAN. Alaska Airlines, Delta and Southwest has non-stop flights from Seattle Airport to San Diego International Airport and the flight time is 2 hours and 56 minutes.
Via Los Angeles with United
Via Phoenix with American Airlines