United Airlines
We
starting at $179
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Seattle to San Francisco. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Seattle to San Francisco, despite the fact that sometimes flights with transfers can cost significantly less.
The only airline operating direct flights from Seattle to San Francisco is United Airlines. Flights operate on Wednesday.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
United Airlines
We
starting at $179
Seattle — San Francisco
06/22/2026
Departure
Direct flight
AS1385
starting at $436
Seattle — San Francisco
07/10/2026
Departure
Direct flight
AS528
starting at $172
Seattle — San Francisco
06/05/2026
Departure
Direct flight
UA2837
starting at $318
Seattle — San Francisco
06/10/2026
Departure
Direct flight
AS688
starting at $323
Seattle — San Francisco
07/05/2026
Departure
Direct flight
AS655
starting at $240
Seattle — San Francisco
07/06/2026
Departure
Direct flight
AS7859
starting at $366
Seattle — San Francisco
07/23/2026
Departure
Direct flight
UA2241
starting at $167
Seattle — San Francisco
07/27/2026
Departure
Direct flight
AS680
starting at $299
Seattle — San Francisco
06/18/2026
Departure
Direct flight
AS528
starting at $208
Seattle — San Francisco
09/22/2026
Departure
Direct flight
AS590
starting at $159
starting at $72
starting at $75
starting at $137
starting at $188
The route Seattle — San Francisco is served by many carriers — 4 in total, including Alaska Airlines, United Airlines, Frontier Airlines, and Southwest Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $72) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
We couldn't find any special offers for flights from Seattle to San Francisco
The cheapest flight ticket from Seattle to San Francisco according to data for the last 48 hours costs $72
Often the best time to buy tickets from Seattle to San Francisco is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Seattle to San Francisco can be found flying in these months: November, July, September.
The fastest flights from Seattle to San Francisco start from 2 hours 11 minutes in the air.
The following airlines operate direct flights on the route Seattle — San Francisco: Alaska Airlines, United Airlines
In different months, ticket prices from Seattle to San Francisco vary: minimum — $72 (November 2026), maximum — $118 (June 2026). Typically, the flight costs $96–$108.
The price trend from Seattle to San Francisco resembles a smile: costs drop, bottom out, then recover. Knowing this, you can pick dates with the best prices.
Prices fall from June 2026 to July 2026 (29%), then rise from July 2026 to September 2026 (+29%). The best period is September 2026–November 2026 ($90), the most expensive is June 2026–July 2026 ($101).
The best time to buy is September 2026–November 2026, when prices are at their lowest. This can save you up to 11% compared to the expensive months (June 2026–July 2026).
Monthly price variation is 19.2%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.
The cheapest one-way flight from Seattle to San Francisco departs on 11/04/2026, is operated by Alaska Airlines and costs $72
The cheapest roundtrip flight from Seattle to San Francisco departs on 06/17/2026, is operated by Southwest Airlines and costs $137
Fastest flight from Seattle to San Francisco takes 2h 11m
There are direct flights on this route 6 days a week: Su, Mo, Tu, We, Th, and Fr
The distance between Seattle and San Francisco is 1093km (678 miles). There are 11 direct flights from Seattle to San Francisco. Seattle and San Francisco are in the same time zone. Flights from Seattle begin at 5:00 AM. The latest flight from Seattle departs at 8:10 PM
