San Francisco to Seattle
SFOSEA
Fly from San Francisco to Seattle starting at USD 76 with AS.
Best fare available on Jun 24, 2026.
Limited seats. Better plans. Book before it's gone.
San Francisco to Seattle cheapest flights this week
15 May
UA
16:10SFO
18:32SEA
Direct$118VIEW DEAL
20 May
AS
06:00SFO
08:17SEA
Direct$111VIEW DEAL
15 Jun
F9
21:43SFO
09:48SEA
1 Stop$126VIEW DEAL
17 Jun
F9
11:13SFO
18:57SEA
1 Stop$100VIEW DEAL
23 Jun
AS
06:03SFO
08:13SEA
Direct$77VIEW DEAL
24 Jun
AS
06:03SFO
08:13SEA
Direct$76VIEW DEAL
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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