Seattle to San Diego

SEASAN

Fly from Seattle to San Diego starting at USD 126 with Frontier Airlines.Best fare available on Jul 31, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to San Diego cheapest flights this week

31 Jul
Frontier Airlines
19:06SEA
09:05SAN
1 StopUSD 126VIEW DEAL
31 Jul
Frontier Airlines
20:53SEA
20:06SAN
1 StopUSD 192VIEW DEAL
2 Aug
Frontier Airlines
19:06SEA
09:05SAN
1 StopUSD 196VIEW DEAL
2 Aug
United Airlines
05:15SEA
09:59SAN
1 StopUSD 137VIEW DEAL
3 Aug
Frontier Airlines
20:53SEA
14:08SAN
1 StopUSD 196VIEW DEAL
4 Aug
Frontier Airlines
20:13SEA
14:08SAN
1 StopUSD 176VIEW DEAL
5 Aug
Frontier Airlines
20:13SEA
20:06SAN
1 StopUSD 135VIEW DEAL
7 Aug
Frontier Airlines
14:22SEA
09:10SAN
1 StopUSD 176VIEW DEAL
8 Aug
Frontier Airlines
19:06SEA
09:10SAN
1 StopUSD 156VIEW DEAL
11 Aug
Frontier Airlines
14:22SEA
23:51SAN
1 StopUSD 141VIEW DEAL

Seattle to San Diego monthly flight fare trend

Jul
from USD 126
Aug
from USD 135
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

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