Seattle to San Francisco
SEASFO
Fly from Seattle to San Francisco starting at USD 128 with AS.
Best fare available on Oct 14, 2026.
Limited seats. Better plans. Book before it's gone.
Seattle to San Francisco cheapest flights this week
14 Oct
AS
15:45SEA
17:57SFO
Direct$128VIEW DEAL
10 Nov
UA
10:45SEA
13:03SFO
Direct$128VIEW DEAL
Seattle to San Francisco monthly flight fare trend
May
from USD 113
Jun
No flights
Jul
No flights
Aug
No flights
Sep
No flights
Oct
from USD 128
Airport Details
Origin
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
Destination
San Francisco
San Francisco International Airport (SFO)
San Francisco, SFO
Zone
Los Angeles
Elev
13 ft
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