Seattle to San Diego

SEASAN

Fly from Seattle to San Diego starting at USD 75 with Frontier Airlines.Best fare available on Sep 2, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to San Diego cheapest flights this week

13 Aug
Frontier Airlines
20:53SEA
20:06SAN
1 StopUSD 184VIEW DEAL
14 Aug
Frontier Airlines
19:06SEA
09:10SAN
1 StopUSD 184VIEW DEAL
19 Aug
Frontier Airlines
14:37SEA
23:51SAN
1 StopUSD 170VIEW DEAL
2 Sept
Frontier Airlines
14:37SEA
23:51SAN
1 StopUSD 75VIEW DEAL
2 Sept
Frontier Airlines
20:48SEA
09:11SAN
1 StopUSD 80VIEW DEAL
3 Sept
Frontier Airlines
21:29SEA
20:14SAN
1 StopUSD 105VIEW DEAL
6 Sept
Alaska Airlines
07:18SEA
12:35SAN
1 StopUSD 88VIEW DEAL
10 Sept
Frontier Airlines
16:27SEA
23:51SAN
1 StopUSD 79VIEW DEAL
12 Sept
Southwest Airlines
09:15SEA
12:00SAN
DirectUSD 100VIEW DEAL
1 Nov
Southwest Airlines
18:35SEA
21:20SAN
DirectUSD 112VIEW DEAL

Seattle to San Diego monthly flight fare trend

Aug
from USD 170
Sep
from USD 75
Oct
No flights
Nov
from USD 89
Dec
from USD 67
Jan
from USD 151

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