Seattle to San Francisco

SEASFO

Fly from Seattle to San Francisco starting at USD 76 with Frontier Airlines.Best fare available on Aug 21, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to San Francisco cheapest flights this week

13 Aug
Frontier Airlines
12:19SEA
10:25SFO
1 StopUSD 148VIEW DEAL
15 Aug
Alaska Airlines
20:25SEA
22:37SFO
DirectUSD 169VIEW DEAL
18 Aug
Frontier Airlines
14:37SEA
00:18SFO
1 StopUSD 195VIEW DEAL
20 Aug
United Airlines
07:11SEA
09:30SFO
DirectUSD 78VIEW DEAL
20 Aug
Frontier Airlines
14:37SEA
00:18SFO
1 StopUSD 147VIEW DEAL
20 Aug
Frontier Airlines
11:54SEA
10:15SFO
1 StopUSD 151VIEW DEAL
21 Aug
Frontier Airlines
21:29SEA
08:43SFO
1 StopUSD 76VIEW DEAL
21 Aug
Frontier Airlines
13:35SEA
00:18SFO
1 StopUSD 150VIEW DEAL
21 Aug
Frontier Airlines
11:54SEA
10:15SFO
1 StopUSD 149VIEW DEAL
22 Aug
Alaska Airlines
07:18SEA
09:37SFO
DirectUSD 79VIEW DEAL

Seattle to San Francisco monthly flight fare trend

Aug
from USD 66
Sep
from USD 69
Oct
from USD 57
Nov
from USD 89
Dec
from USD 95
Jan
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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