Your next trip, last seen at €42
Lowest observedWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
Short answer
We have seen Alaska Airlines fares from Seattle to San Francisco, non-stop. The average across the fares we caught is €97. November 2026 is the cheapest month in our observations, at €47. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
Short answer
We have seen Alaska Airlines fares from Seattle to San Francisco, non-stop. The average across the fares we caught is €97. November 2026 is the cheapest month in our observations, at €47. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
About this route
Explore the fares we observed from Seattle to San Francisco. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,093 km
- Reported fastest flight
- 2h 11m
- Airlines seen
- Alaska Airlines, United Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines
- Alternative airports
- BFI
Route-level information; individual journeys vary.
Published schedules report non-stop service with Alaska Airlines, United Airlines. Check current timetables.
A clearer picture of your fare
Frequently asked
When is the cheapest month to fly from Seattle to San Francisco?
In our observations November 2026 is the cheapest month so far, at €47.
Are there direct flights from Seattle to San Francisco?
Yes. We have seen non-stop flights on this route, flown by Alaska Airlines, United Airlines.
Which airlines fly from Seattle to San Francisco?
These are the carriers we have seen on the route: Alaska Airlines, United Airlines.
How many of the observed Seattle to San Francisco fares were non-stop?
18 of the 24 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 7 Oct 2026