San Francisco to Seattle

SFOSEA

Fly from San Francisco to Seattle starting at SAR 255 with Alaska Airlines.Best fare available on Jul 21, 2026.Limited seats. Better plans. Book before it's gone.

San Francisco to Seattle cheapest flights this week

16 Jul
Frontier Airlines
21:39SFO
09:17SEA
1 StopSAR 555VIEW DEAL
17 Jul
Frontier Airlines
09:33SFO
19:38SEA
1 StopSAR 555VIEW DEAL
17 Jul
United Airlines
22:59SFO
01:29SEA
DirectSAR 529VIEW DEAL
18 Jul
Alaska Airlines
17:38SFO
19:47SEA
DirectSAR 281VIEW DEAL
18 Jul
Frontier Airlines
11:20SFO
10:39SEA
1 StopSAR 522VIEW DEAL
20 Jul
Alaska Airlines
06:03SFO
08:13SEA
DirectSAR 470VIEW DEAL
21 Jul
Alaska Airlines
06:03SFO
08:13SEA
DirectSAR 255VIEW DEAL
21 Jul
Alaska Airlines
07:03SFO
09:13SEA
DirectSAR 448VIEW DEAL
27 Jul
Frontier Airlines
09:33SFO
19:38SEA
1 StopSAR 474VIEW DEAL
30 Jul
Frontier Airlines
09:33SFO
19:38SEA
1 StopSAR 562VIEW DEAL

San Francisco to Seattle monthly flight fare trend

Jul
from SAR 255
Aug
from SAR 248
Sep
from SAR 255
Oct
from SAR 274
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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