San Diego to Seattle

SANSEA

Fly from San Diego to Seattle starting at USD 78 with Southwest Airlines.Best fare available on Aug 19, 2026.Limited seats. Better plans. Book before it's gone.

San Diego to Seattle cheapest flights this week

31 Jul
Frontier Airlines
06:25SAN
09:17SEA
1 StopUSD 180VIEW DEAL
2 Aug
Frontier Airlines
06:25SAN
09:17SEA
1 StopUSD 134VIEW DEAL
3 Aug
Frontier Airlines
20:51SAN
10:39SEA
1 StopUSD 185VIEW DEAL
3 Aug
Frontier Airlines
10:00SAN
09:17SEA
1 StopUSD 192VIEW DEAL
5 Aug
Frontier Airlines
06:25SAN
13:17SEA
1 StopUSD 170VIEW DEAL
6 Aug
Frontier Airlines
06:25SAN
09:04SEA
1 StopUSD 135VIEW DEAL
7 Aug
Frontier Airlines
10:10SAN
09:04SEA
1 StopUSD 176VIEW DEAL
19 Aug
Southwest Airlines
17:00SAN
21:45SEA
1 StopUSD 93VIEW DEAL
19 Aug
Southwest Airlines
18:00SAN
21:00SEA
DirectUSD 78VIEW DEAL
19 Aug
Southwest Airlines
13:45SAN
21:15SEA
1 StopUSD 87VIEW DEAL

San Diego to Seattle monthly flight fare trend

Jul
from USD 180
Aug
from USD 78
Sep
No flights
Oct
No flights
Nov
No flights
Dec
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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