Cheap Flights from Seattle (SEA) to San Francisco International (SFO)

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Flight deals from Seattle to San Francisco International

Looking for a cheap last-minute deal or the best round-trip flight from Seattle to San Francisco International? Find the lowest prices on one-way and round-trip tickets right here.

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Find the cheapest month to fly from Seattle to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to San Francisco International flights are currently cheapest in May.

Direct flights from Seattle to San Francisco International

Seattle to San Francisco International: Alternative routes

Compare routes from Seattle to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Seattle to San Francisco: Flight information

The things to know before you go.
Cheapest flight found$118
Cheapest month to flyMay
Average flight time2 hrs, 15 mins
Most popular airlineWestJet
Average flights per week774

Finding cheap flights from Seattle to San Francisco International: Frequently asked questions

The best price we found for a round-trip flight from Seattle to San Francisco International is $118. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 15 minutes is the average flight time from Seattle to San Francisco International.
WestJet, Delta and Alaska Airlines fly direct from Seattle to San Francisco International.
There are 774 flights per week flying from Seattle to San Francisco International, as of April 2024.
The cheapest month to fly from Seattle to San Francisco International is usually May.
Yes – the average flight time is 2 hours and 15 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Francisco International is around 40 days in advance, so don’t leave your flight to the last minute.

The United States’ 8th largest port, Seattle is the largest city in Washington and the Pacific Northwest. The trip to San Francisco is two hours by plane, a 679-mile trek that flies passengers over Oregon and the northern part of California. These cities are comparable as far as geography is concerned, each is located on the Pacific Ocean, and both are full of easy-going ,friendly people who are happy to help tourists in need.

Due to its location, The Emerald City offers better views of the wilderness (i.e. the Cascade Mountain range). San Fran is notable drier, while its northern counterpart is known for high amounts of annual rainfall. Alaska Airlines, American Airlines, Continental Airlines, Delta, United, and US Airways all offer direct Seattle to San Francisco flights.

Seattle-Tacoma International 101

Serving the Seattle Tacoma (SeaTac) area of Washington, the state’s primary international airport is located 1.5 miles west of I-5. Getting here is easy; make your way to the intersection of State Routes 99, 509, and 518.

SeaTac offers flights to many foreign destinations, including major cities in Europe, Asia, and the Middle East. It is a central flight hub for Alaska Airlines, and caters to 37 million passengers each year.

The airport is home to the biggest parking garage in the country (13,000 spots are available for visitors). Its central terminal building underwent a major renovation/expansion in 2003; there are two connected satellite terminals and multiple concourses. Some of SeaTac’s most esteemed amenities include a meditation room, free Wi-Fi, and an incredible art display!

While in San Fran

The Bar Area focal point, San Francisco is arguably one of California’s most popular and entertaining cities. Most people are familiar with the grand Golden Gate Bridge and the metropolis’ super steep streets (make sure to engage your vehicle’s emergency brake), but there is plenty more to see here!

Fisherman’s Wharf is a great place to watch sea lions in lounge in their natural habitat, grabbing breakfast at Mama’s restaurant in North Beach is a definite must, and heading to the top of Coit Tower on Telegraph Hill Boulevard will give you stunning views of the city. While in town, do not forget to take a trolley to Castro Street Station!

Skyscanner wants to make sure your California vacation is memorable and full of fun. Low cost airfare on cheap flights from Seattle to San Francisco is available right now. You can thank our intellisearch tool later for those hundreds in instant savings!


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Prices shown on this page are estimated lowest prices only. Found in the last 45 days.