San Francisco to Seattle
SFOSEA
Fly from San Francisco to Seattle starting at USD 76 with Alaska Airlines.
Best fare available on Jun 24, 2026.
Limited seats. Better plans. Book before it's gone.
San Francisco to Seattle cheapest flights this week
San Francisco to Seattle monthly flight fare trend
May
from USD 101
Jun
from USD 76
Jul
No flights
Aug
No flights
Sep
No flights
Oct
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
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