Cheap flights from San Francisco to Seattle from €74

If you’re not able to fly to Seattle in February, then October is your next best option. Flight prices from San Francisco to Seattle during October average around €229.

Fly from San Francisco to Seattle/Tacoma Intl for the best San Francisco - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around €249 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from San Francisco for as low as €186 on momondo.

There is only 1 cabin class available to choose from on San Francisco to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 17% of flights between San Francisco and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 134 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

As of August 2026, there are 63 flights per day flying from San Francisco to Seattle. The most common time of day flights depart is 18:00, with 42% of flights taking off in the afternoon.

446 flights are operational weekly from San Francisco to Seattle as of August 2026. The most popular departure day for this route is Sat, with 20% of flights per week taking off on this day.