Seattle to San Diego

SEASAN

Fly from Seattle to San Diego starting at USD 89 with Southwest Airlines.Best fare available on Nov 11, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to San Diego cheapest flights this week

9 Jul
Frontier Airlines
19:06SEA
09:05SAN
1 StopUSD 191VIEW DEAL
10 Jul
Frontier Airlines
12:35SEA
23:51SAN
1 StopUSD 191VIEW DEAL
15 Jul
Frontier Airlines
19:06SEA
09:05SAN
1 StopUSD 128VIEW DEAL
15 Jul
Frontier Airlines
12:35SEA
09:05SAN
1 StopUSD 190VIEW DEAL
15 Jul
Alaska Airlines
07:26SEA
10:23SAN
DirectUSD 146VIEW DEAL
17 Jul
Alaska Airlines
10:03SEA
13:01SAN
DirectUSD 172VIEW DEAL
19 Jul
United Airlines
05:15SEA
09:59SAN
1 StopUSD 149VIEW DEAL
31 Jul
Frontier Airlines
19:06SEA
09:05SAN
1 StopUSD 126VIEW DEAL
11 Nov
Southwest Airlines
18:25SEA
21:10SAN
DirectUSD 89VIEW DEAL

Seattle to San Diego monthly flight fare trend

Jul
from USD 126
Aug
No flights
Sep
No flights
Oct
No flights
Nov
from USD 89
Dec
No flights

Airport Details

Origin

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

Destination

San Diego

San Diego International Airport (SAN)

San Diego, SAN
Zone

Los Angeles

Elev

17 ft

Flights from Seattle

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