Seattle to San Diego

SEASAN

Fly from Seattle to San Diego starting at USD 67 with Southwest Airlines.Best fare available on Dec 25, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to San Diego cheapest flights this week

14 Nov
Frontier Airlines
16:27SEA
23:57SAN
1 StopUSD 145VIEW DEAL
21 Nov
Frontier Airlines
16:37SEA
23:57SAN
1 StopUSD 143VIEW DEAL
18 Dec
Southwest Airlines
05:00SEA
11:10SAN
1 StopUSD 133VIEW DEAL
21 Dec
Alaska Airlines
21:07SEA
23:57SAN
DirectUSD 110VIEW DEAL
25 Dec
Southwest Airlines
18:30SEA
21:15SAN
DirectUSD 67VIEW DEAL
25 Dec
Frontier Airlines
13:37SEA
23:58SAN
1 StopUSD 140VIEW DEAL
3 Jan
Frontier Airlines
18:25SEA
12:34SAN
1 StopUSD 112VIEW DEAL
4 Jan
Southwest Airlines
18:35SEA
21:20SAN
DirectUSD 151VIEW DEAL
11 Feb
Alaska Airlines
09:55SEA
16:53SAN
1 StopUSD 148VIEW DEAL
4 Apr
Southwest Airlines
05:05SEA
10:40SAN
1 StopUSD 207VIEW DEAL

Seattle to San Diego monthly flight fare trend

Nov
from USD 143
Dec
from USD 67
Jan
from USD 112
Feb
from USD 148
Mar
No flights
Apr
from USD 170

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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