£56 Cheap Flights from San Francisco (SFO) to Seattle (SEA)

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

Prices were available within the past 7 days and start at £56 for one-way flights and £107 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Frontier Airlines
Frontier Airlines
Delta
Alaska Airlines
Alaska Airlines
Frontier Airlines
Alaska Airlines
Delta
Alaska Airlines
Flight from San Francisco to Seattle route information
Origin airport
San Francisco Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Return price
£107
Distance
1086 km
Average flight time
2 hours 9 mins

Compare flights from San Francisco to Seattle easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Francisco to Seattle. Operating between them 87 flights per day, 20 airlines cover the route. And Condor, JAL, Icelandair, Fiji Airways, Delta Air Lines, Swiss, Air New Zealand, United Airlines, Qantas, Iberia, Korean Air, WestJet, Singapore Airlines, American Airlines, KLM, Qatar Airways, Air France, Emirates, China Eastern Airlines, Copa Airlines, Virgin Australia, Asiana Airlines, Aeromexico, Alaska Airlines, Avianca, Cathay Pacific, Turkish Airlines, China Southern Airlines, ANA, Air Tahiti Nui, Virgin Atlantic, British Airways fly direct, getting you to Seattle - Tacoma Intl. in just 1hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Francisco Intl. to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Francisco Intl. (SFO) to Seattle - Tacoma Intl. (SEA) 

The easiest way to view the best deals on flights from San Francisco to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Francisco Intl. to Seattle - Tacoma Intl. start at just £107 and range up to £120.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Francisco and Seattle
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Francisco to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Francisco Intl. to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from SFO to Sea-Tac Airport?
If you’re travelling from SFO to Seattle - Tacoma Intl. Airport (SEA), round-trip journeys start from £107. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don’t let a good deal slip through your fingers. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Intl. Airport (SFO) to SEA?
Most flights can be cancelled online, but whether you incur a fee differs between airlines. If you do need to cancel your holiday, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from SFO to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for San Francisco Airport to Sea-Tac Airport flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from San Francisco Intl. Airport (SFO) to Seattle - Tacoma Intl. Airport (SEA)?
With the flight time between San Francisco Airport and Seattle - Tacoma Intl. Airport (SEA) just 2 hours and 20 minutes, you’ll be discovering the sights of SeaTac before you know it.
How far is the flight from San Francisco Intl. Airport (SFO) to Sea-Tac Airport?
A flight distance of just 1,100 kilometres separates San Francisco and SeaTac. Once you’re in the air, you won’t have time to do much more than flip through the pages of the in-flight magazine.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to SEA?
A popular airline that flies from San Francisco Airport to Sea-Tac Airport is Alaska Airlines (AS). It offers 312 flights every month. Offering 152 flights each month along this route, United Airlines (UA) is another traveller favourite.
Are San Francisco Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to find an amazing last-minute deal from San Francisco Intl. Airport (SFO) to Sea-Tac Airport, but it’s also possible to miss out altogether! As many airlines advertise prices up to a year in advance, it’s worth keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can be certain you’re always getting the latest offers.
Seattle Airports

Seattle Paine Field Intl. Airport

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