San Diego to Seattle

SANSEA

Fly from San Diego to Seattle starting at USD 74 with Southwest Airlines.Best fare available on Sep 12, 2026.Limited seats. Better plans. Book before it's gone.

San Diego to Seattle cheapest flights this week

2 Sept
Frontier Airlines
06:25SAN
13:22SEA
1 StopUSD 134VIEW DEAL
2 Sept
Frontier Airlines
15:45SAN
09:19SEA
1 StopUSD 185VIEW DEAL
3 Sept
Frontier Airlines
10:00SAN
12:20SEA
2 StopUSD 314VIEW DEAL
4 Sept
Alaska Airlines
16:50SAN
19:52SEA
DirectUSD 200VIEW DEAL
6 Sept
Frontier Airlines
10:00SAN
15:28SEA
1 StopUSD 146VIEW DEAL
6 Sept
Frontier Airlines
15:45SAN
09:19SEA
1 StopUSD 166VIEW DEAL
8 Sept
Frontier Airlines
06:25SAN
13:22SEA
1 StopUSD 144VIEW DEAL
11 Sept
Alaska Airlines
11:30SAN
14:39SEA
DirectUSD 133VIEW DEAL
12 Sept
Southwest Airlines
16:40SAN
19:40SEA
DirectUSD 74VIEW DEAL
12 Sept
Frontier Airlines
06:25SAN
15:08SEA
1 StopUSD 130VIEW DEAL

San Diego to Seattle monthly flight fare trend

Sep
from USD 74
Oct
from USD 69
Nov
No flights
Dec
No flights
Jan
from USD 107
Feb
No flights

Airport Details

Origin

San Diego

San Diego International Airport (SAN)

San Diego, SAN
Zone

Los Angeles

Elev

17 ft

Destination

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

Flights from San Diego

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