Seattle to San Francisco

SEASFO

Fly from Seattle to San Francisco starting at USD 74 with Frontier Airlines.Best fare available on Sep 30, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to San Francisco cheapest flights this week

30 Sept
Frontier Airlines
19:25SEA
10:22SFO
1 StopUSD 74VIEW DEAL
30 Sept
Frontier Airlines
16:27SEA
00:14SFO
1 StopUSD 227VIEW DEAL
30 Sept
Frontier Airlines
10:53SEA
13:43SFO
1 StopUSD 202VIEW DEAL
30 Sept
United Airlines
07:11SEA
09:30SFO
DirectUSD 158VIEW DEAL
1 Oct
Alaska Airlines
19:24SEA
21:39SFO
DirectUSD 386VIEW DEAL
2 Oct
Frontier Airlines
21:45SEA
08:14SFO
1 StopUSD 84VIEW DEAL
2 Oct
Alaska Airlines
19:24SEA
21:39SFO
DirectUSD 339VIEW DEAL
5 Oct
Frontier Airlines
16:27SEA
00:14SFO
1 StopUSD 210VIEW DEAL
6 Oct
Alaska Airlines
11:54SEA
14:23SFO
DirectUSD 170VIEW DEAL
6 Oct
Frontier Airlines
20:15SEA
10:22SFO
1 StopUSD 77VIEW DEAL

Seattle to San Francisco monthly flight fare trend

Sep
from USD 74
Oct
from USD 45
Nov
from USD 47
Dec
from USD 95
Jan
No flights
Feb
from USD 110

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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