San Francisco to Seattle

SFOSEA

Fly from San Francisco to Seattle starting at USD 76 with Alaska Airlines.Best fare available on Jul 15, 2026.Limited seats. Better plans. Book before it's gone.

San Francisco to Seattle cheapest flights this week

2 Jul
Frontier Airlines
09:41SFO
18:57SEA
1 StopUSD 276VIEW DEAL
3 Jul
United Airlines
18:28SFO
20:53SEA
DirectUSD 168VIEW DEAL
3 Jul
Alaska Airlines
15:50SFO
18:00SEA
DirectUSD 112VIEW DEAL
6 Jul
Alaska Airlines
17:38SFO
19:47SEA
DirectUSD 139VIEW DEAL
10 Jul
Frontier Airlines
09:33SFO
19:38SEA
1 StopUSD 145VIEW DEAL
11 Jul
Frontier Airlines
21:39SFO
09:17SEA
1 StopUSD 145VIEW DEAL
15 Jul
Alaska Airlines
06:03SFO
08:13SEA
DirectUSD 76VIEW DEAL
16 Jul
Frontier Airlines
21:39SFO
09:17SEA
1 StopUSD 150VIEW DEAL
17 Jul
Frontier Airlines
09:33SFO
19:38SEA
1 StopUSD 150VIEW DEAL
18 Jul
Alaska Airlines
17:38SFO
19:47SEA
DirectUSD 76VIEW DEAL

San Francisco to Seattle monthly flight fare trend

Jul
from USD 69
Aug
from USD 73
Sep
No flights
Oct
from USD 74
Nov
No flights
Dec
No flights

Airport Details

Origin

San Francisco

San Francisco International Airport (SFO)

San Francisco, SFO
Zone

Los Angeles

Elev

13 ft

Destination

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

Flights from San Francisco

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