San Diego to Seattle

SANSEA

Fly from San Diego to Seattle starting at USD 69 with Southwest Airlines.Best fare available on Oct 8, 2026.Limited seats. Better plans. Book before it's gone.

San Diego to Seattle cheapest flights this week

1 Oct
Frontier Airlines
21:03SAN
09:42SEA
1 StopUSD 176VIEW DEAL
1 Oct
Frontier Airlines
10:28SAN
09:42SEA
2 StopUSD 480VIEW DEAL
4 Oct
Frontier Airlines
06:25SAN
15:08SEA
1 StopUSD 203VIEW DEAL
6 Oct
Frontier Airlines
06:25SAN
15:08SEA
1 StopUSD 205VIEW DEAL
8 Oct
Southwest Airlines
18:00SAN
21:05SEA
DirectUSD 69VIEW DEAL
8 Oct
Frontier Airlines
20:34SAN
08:49SEA
1 StopUSD 125VIEW DEAL
8 Oct
Southwest Airlines
07:25SAN
10:30SEA
DirectUSD 161VIEW DEAL
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

San Diego to Seattle monthly flight fare trend

Oct
from USD 50
Nov
from USD 71
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

Flights from San Diego

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