Seattle to San Diego

SEASAN

Fly from Seattle to San Diego starting at USD 52 with Southwest Airlines.Best fare available on Oct 14, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to San Diego cheapest flights this week

3 Oct
Alaska Airlines
07:18SEA
17:20SAN
1 StopUSD 178VIEW DEAL
4 Oct
Frontier Airlines
21:45SEA
20:17SAN
1 StopUSD 211VIEW DEAL
7 Oct
Frontier Airlines
21:45SEA
19:49SAN
1 StopUSD 210VIEW DEAL
8 Oct
Frontier Airlines
21:16SEA
19:49SAN
1 StopUSD 85VIEW DEAL
8 Oct
Frontier Airlines
16:27SEA
23:56SAN
1 StopUSD 79VIEW DEAL
9 Oct
Southwest Airlines
06:15SEA
13:40SAN
1 StopUSD 87VIEW DEAL
9 Oct
Frontier Airlines
21:16SEA
16:49SAN
1 StopUSD 134VIEW DEAL
9 Oct
Frontier Airlines
16:27SEA
23:56SAN
1 StopUSD 164VIEW DEAL
13 Oct
Southwest Airlines
07:30SEA
10:25SAN
DirectUSD 81VIEW DEAL
14 Oct
Southwest Airlines
18:40SEA
21:35SAN
DirectUSD 52VIEW DEAL

Seattle to San Diego monthly flight fare trend

Oct
from USD 52
Nov
from USD 89
Dec
from USD 67
Jan
from USD 151
Feb
No flights
Mar
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

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