San Diego to Seattle

SANSEA

Fly from San Diego to Seattle starting at USD 50 with Southwest Airlines.Best fare available on Oct 20, 2026.Limited seats. Better plans. Book before it's gone.

San Diego to Seattle cheapest flights this week

9 Oct
Southwest Airlines
07:25SAN
10:30SEA
DirectUSD 79VIEW DEAL
10 Oct
Southwest Airlines
16:55SAN
20:05SEA
DirectUSD 162VIEW DEAL
10 Oct
Frontier Airlines
17:44SAN
08:58SEA
1 StopUSD 197VIEW DEAL
11 Oct
Frontier Airlines
20:34SAN
09:48SEA
1 StopUSD 196VIEW DEAL
12 Oct
Southwest Airlines
19:15SAN
01:40SEA
1 StopUSD 93VIEW DEAL
14 Oct
Southwest Airlines
16:45SAN
19:50SEA
DirectUSD 81VIEW DEAL
17 Oct
Frontier Airlines
06:25SAN
15:12SEA
1 StopUSD 193VIEW DEAL
20 Oct
Southwest Airlines
16:45SAN
19:50SEA
DirectUSD 50VIEW DEAL
9 Nov
Frontier Airlines
06:25SAN
15:12SEA
1 StopUSD 75VIEW DEAL
10 Nov
Southwest Airlines
07:20SAN
10:25SEA
DirectUSD 75VIEW DEAL

San Diego to Seattle monthly flight fare trend

Oct
from USD 50
Nov
from USD 54
Dec
from USD 99
Jan
from USD 107
Feb
No flights
Mar
No flights

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

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