Alaska Airlines
Every day
starting at $82
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 San Francisco to Seattle. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
In different months, ticket prices from San Francisco to Seattle vary: minimum — $78 (October 2026), maximum — $395 (September 2026). Typically, the flight costs $107–$166.
A non-stop flight is the most convenient and comfortable way to fly from San Francisco to Seattle, despite the fact that sometimes flights with transfers can cost significantly less.
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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.
On the San Francisco — Seattle route, prices first decline, hit a low, then start rising again. The middle of the period creates a price window — the best time to book.
Prices fall from September 2026 to October 2026 (80%), then rise from October 2026 to February 2027 (+37%). The best period is October 2026–November 2026 ($80), the most expensive is September 2026–October 2026 ($236).
The best time to buy is October 2026–November 2026, when prices are at their lowest. This can save you up to 66% compared to the expensive months (September 2026–October 2026).
Monthly price variation is 80.1%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.
All airports
Alaska Airlines
Every day
starting at $82
The only airline operating direct flights from San Francisco to Seattle is Alaska Airlines. Flights operate every day.
San Francisco — Seattle
11/14/2026
Departure
Direct flight
AS1340
starting at $236
San Francisco — Seattle
05/21/2027
Departure
Direct flight
AS496
starting at $354
San Francisco — Seattle
11/08/2026
Departure
Direct flight
AS580
starting at $224
Oakland — Seattle
11/18/2026
Departure
Direct flight
AS1359
starting at $109
Oakland — Seattle
10/31/2026
Departure
Direct flight
WN2147
starting at $240
Oakland — Seattle
10/27/2026
Departure
Direct flight
AS1359
starting at $327
Oakland — Seattle
10/25/2026
Departure
Direct flight
AS1359
starting at $406
San Francisco — Seattle
11/18/2026
Departure
Direct flight
UA494
starting at $106
San Francisco — Seattle
09/12/2027
Departure
Direct flight
AS729
starting at $175
starting at $109
starting at $240
starting at $106
starting at $71
starting at $1,192
The route San Francisco — Seattle is served by many carriers — 5 in total, including Alaska Airlines, Southwest Airlines, United Airlines, Frontier Airlines, and Eva Air. This gives passengers wide opportunities: from finding the lowest fare (from $71) 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.
The cheapest flight ticket from San Francisco to Seattle according to data for the last 48 hours costs $71
Often the best time to buy tickets from San Francisco to Seattle is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from San Francisco to Seattle can be found flying in these months: October, November, February.
The fastest flights from San Francisco to Seattle start from 2 hours 9 minutes in the air.
The following airlines operate direct flights on the route San Francisco — Seattle: Alaska Airlines, Southwest Airlines, United Airlines
The cheapest one-way flight from San Francisco to Seattle departs on 11/19/2026, is operated by Frontier Airlines and costs $71
There is no information about the cheapest roundtrip flight from San Francisco to Seattle
Fastest flight from San Francisco to Seattle takes 2h 9m
There are direct flights on this route 5 days a week: Su, Tu, We, Fr, and Sa
The distance between San Francisco and Seattle is 1093km (678 miles). The average flight duration is 2h 25m. There are 179 direct flights from San Francisco to Seattle. San Francisco and Seattle are in the same time zone. Flights from San Francisco begin at 5:55 AM. The latest flight from San Francisco departs at 10:59 PM
We couldn't find any special offers for flights from San Francisco to Seattle
