Cheap flights from San Francisco to Seattle from ₹ 5,444

If you aren’t able to travel during the month of May, then book flights to Seattle from San Francisco during April instead. Flights to Seattle in April, while not as cheap as those in May, still average around ₹ 21,048.

The cheapest day to depart from San Francisco to Seattle is on a Tuesday. Travellers who choose to depart for Seattle on a Tuesday will often find tickets for as low as ₹ 23,734. Flights from San Francisco to Seattle on a Sunday will generally be more expensive and average around ₹ 39,492. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest San Francisco to Seattle flights are usually those with departure times in the afternoon. Our users have found flights to Seattle in the afternoon for as low as ₹ 26,546. Try not to purchase tickets at midday because they tend to be around ₹ 33,260. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 ₹ 23,128 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 ₹ 16,875 on momondo.

There are 3 cabin classes 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.

Delta is the most popular carrier operating from San Francisco to Seattle/Tacoma Intl

Alaska Airlines, Southwest and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from San Francisco according to our data. Alaska Airlines is the first choice among our users, with 69% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% 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 135 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 February 2026, there are 70 flights per day flying from San Francisco to Seattle. The most common time of day flights depart is 18:00, with 38% of flights taking off in the evening.

The number of flights available between San Francisco and Seattle is 495 per week as of February 2026. The most frequent departure day is Sun, with 20% of weekly flights leaving on this day.