$131 Find Cheap Flights from San Francisco to Seattle

The cheapest month for flights from San Francisco to Seattle is October, where tickets cost $326 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is $466 and $456 respectively.

To get a below average price on the flight from San Francisco to Seattle, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

In the past 3 days, the cheapest return tickets from San Francisco to Seattle were found on Alaska Airlines ($233) and Delta ($260).

San Francisco and Seattle are connected by different airlines. The airlines that fly that route the most regularly are Alaska Airlines (63 flights per week), United Airlines (47 flights per week), and Delta (35 flights per week).

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 19 and 22 direct flights that take off from San Francisco and land in Seattle, with an average flight time of 2h 13m. The most common departure time is 11:00 and most flights take off in the morning. Each week, there are 145 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday.

Direct flights cover the 1,757 km separating San Francisco to Seattle in about 2h 04m.

Early birds can take the earliest flight from San Francisco at 05:55 and will be landing in Seattle at 08:14.

If you prefer to fly at night, the latest flight from San Francisco to Seattle jets off at 22:55 and lands at 00:59.