$64 Cheap Flights from Seattle to San Francisco

Be sure to visit our Covid-19 Travel Advisor to see if there are any present quarantine requirements or travel advice reports in place in SFO when flying from Sea-Tac Airport.

Kick off your getaway in the most hassle-free way possible and head straight to SFO from SEA. Alaska Airlines and Delta are among the airlines that operate nonstop services on this flight path.

For more info about changing your flight to San Francisco Intl. Airport (SFO), please visit our Customer Service Portal.

If you were hoping to drift into a long and blissful slumber during your Seattle to San Francisco journey, you may have to think again. The average flight time between Sea-Tac Airport and SFO is a mere 2 hours and 12 minutes — just enough to sit back and unwind for a short while.

There’s a flight distance of 680 mi between SEA and San Francisco Airport. Make the most of your short plane ride to write down all the famous places you plan to visit and how you’re going to get there. A well-thought-out itinerary is key to having an unforgettable vacation.

You can choose from several airlines that have direct flights between Seattle and San Francisco. Alaska Airlines (AS) is one of the most popular. This carrier operates approximately 247 flights each month. A popular alternative is Delta (DL), which has 178 flights each month. The more air carriers you consider, the more likely you are to find a wonderful deal.

From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with United Airlines, Alaska Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.