Seattle to San Francisco

SEASFO

Fly from Seattle to San Francisco starting at USD 77 with Alaska Airlines.Best fare available on Aug 12, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to San Francisco cheapest flights this week

3 Aug
Frontier Airlines
11:54SEA
10:30SFO
1 StopUSD 205VIEW DEAL
4 Aug
Frontier Airlines
20:13SEA
10:25SFO
1 StopUSD 192VIEW DEAL
5 Aug
United Airlines
05:15SEA
07:25SFO
DirectUSD 87VIEW DEAL
6 Aug
United Airlines
07:00SEA
09:18SFO
DirectUSD 88VIEW DEAL
7 Aug
Frontier Airlines
20:53SEA
08:43SFO
1 StopUSD 83VIEW DEAL
8 Aug
Frontier Airlines
12:19SEA
10:25SFO
1 StopUSD 151VIEW DEAL
9 Aug
Alaska Airlines
07:03SEA
09:20SFO
DirectUSD 158VIEW DEAL
12 Aug
Alaska Airlines
07:03SEA
09:20SFO
DirectUSD 77VIEW DEAL
12 Aug
Frontier Airlines
20:13SEA
16:36SFO
1 StopUSD 152VIEW DEAL
13 Aug
Frontier Airlines
12:19SEA
10:25SFO
1 StopUSD 148VIEW DEAL

Seattle to San Francisco monthly flight fare trend

Jul
No flights
Aug
from USD 66
Sep
from USD 69
Oct
from USD 57
Nov
from USD 128
Dec
No flights

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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