San Diego to Seattle

SANSEA

Fly from San Diego to Seattle starting at USD 74 with Southwest Airlines.Best fare available on Sep 12, 2026.Limited seats. Better plans. Book before it's gone.

San Diego to Seattle cheapest flights this week

20 Aug
Frontier Airlines
15:45SAN
09:19SEA
1 StopUSD 192VIEW DEAL
21 Aug
Southwest Airlines
19:05SAN
00:40SEA
1 StopUSD 108VIEW DEAL
21 Aug
Frontier Airlines
15:45SAN
09:19SEA
1 StopUSD 142VIEW DEAL
21 Aug
Frontier Airlines
06:25SAN
09:19SEA
1 StopUSD 186VIEW DEAL
26 Aug
Frontier Airlines
06:25SAN
13:22SEA
1 StopUSD 170VIEW DEAL
27 Aug
Frontier Airlines
20:59SAN
10:39SEA
1 StopUSD 176VIEW DEAL
28 Aug
Frontier Airlines
06:25SAN
09:19SEA
1 StopUSD 176VIEW DEAL
30 Aug
Frontier Airlines
06:25SAN
09:19SEA
1 StopUSD 176VIEW DEAL
2 Sept
Frontier Airlines
06:25SAN
13:22SEA
1 StopUSD 134VIEW DEAL
12 Sept
Southwest Airlines
16:40SAN
19:40SEA
DirectUSD 74VIEW DEAL

San Diego to Seattle monthly flight fare trend

Aug
from USD 108
Sep
from USD 74
Oct
from USD 69
Nov
No flights
Dec
No flights
Jan
from USD 107

Airport Details

Origin

San Diego

San Diego International Airport (SAN)

San Diego, SAN
Zone

Los Angeles

Elev

17 ft

Destination

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

Flights from San Diego

Flights from San Diego to AtlantaFlights from San Diego to AustinFlights from San Diego to BostonFlights from San Diego to CharlotteFlights from San Diego to DenverFlights from San Diego to DallasFlights from San Diego to DetroitFlights from San Diego to NewarkFlights from San Diego to Fort LauderdaleFlights from San Diego to Honolulu