Cheap flights from Seattle to San Francisco Bay Area from $48

In general, January is the cheapest month to fly from Seattle to San Francisco Bay Area. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $187. If you aren’t able to travel to San Francisco Bay Area during the month of January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $223.

On average, the least expensive day to fly to San Francisco Bay Area from Seattle is on a Friday. momondo users have found tickets for Friday departures for as low as $282. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $487.

Our most recent data shows that the best time of day to fly to San Francisco Bay Area is at noon. Flights from Seattle to San Francisco Bay Area during this time can be as low as $303. In contrast, the most expensive time of day to depart to San Francisco Bay Area is in the morning when prices are around $388.

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

You are more likely to see cheaper flights to San Francisco Bay Area from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco Bay Area for around $243 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco Bay Area from Seattle for as low as $174 on momondo.

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to San Francisco Bay Area flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, United Airlines, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to San Francisco Bay Area

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to San Francisco Bay Area from Seattle according to our data. Alaska Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to San Francisco Bay Area. Keep in mind that there are 7 different airlines that fly to San Francisco Bay Area on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 69 flights per day flying from Seattle to San Francisco Bay Area. The most common time of day flights depart is 11:00AM, with 38% of flights taking off at noon.

As of March 2026, 483 flights take off from Seattle and land in San Francisco Bay Area each week. The most common flight departure day for this route is Wed, with 25% of weekly flights taking off on this day.