Cheap flights from San Francisco to Seattle from €76

If you’re not able to fly to Seattle in February, then September is your next best option. Flight prices from San Francisco to Seattle during September average around €213.

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 €228 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 €163 on momondo.

There is only 1 cabin class available to choose from on San Francisco to Seattle/Tacoma Intl 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 14% 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 136 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening 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. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Delta have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of April 2026, there are 56 flights per day flying from San Francisco to Seattle. The most common time of day flights depart is 18:00, with 40% of flights taking off in the afternoon.

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