฿1,555 Cheap Flights from San Francisco (SFO) to Seattle (SEA)

View ฿1,555 flight on Mon, 2 Mar 2026Opens in a new window

Popular airlines from San Francisco International Airport (SFO) to Seattle

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ฿1,555 for one-way flights and ฿3,745 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 8 Jan - Sun, 11 Jan
SFO
San Francisco
SEA
Seattle
฿3,745 Return, found 1 day ago
฿3,745
Return
found 1 day ago
Select Delta flight, departing Thu, 8 Jan from San Francisco to Seattle, returning Sun, 11 Jan, priced at ฿3,745 found 1 day ago
Delta
Mon, 16 Mar - Fri, 20 Mar
SFO
San Francisco
SEA
Seattle
฿3,770 Return, found 5 days ago
฿3,770
Return
found 5 days ago
Select Delta flight, departing Mon, 16 Mar from San Francisco to Seattle, returning Fri, 20 Mar, priced at ฿3,770 found 5 days ago
Delta
Thu, 8 Jan - Sun, 11 Jan
SFO
San Francisco
SEA
Seattle
฿4,060 Return, found 1 day ago
฿4,060
Return
found 1 day ago
Select Delta flight, departing Thu, 8 Jan from San Francisco to Seattle, returning Sun, 11 Jan, priced at ฿4,060 found 1 day ago
Delta
Mon, 16 Mar - Fri, 20 Mar
SFO
San Francisco
SEA
Seattle
฿4,085 Return, found 5 days ago
฿4,085
Return
found 5 days ago
Select Delta flight, departing Mon, 16 Mar from San Francisco to Seattle, returning Fri, 20 Mar, priced at ฿4,085 found 5 days ago
Delta
Mon, 16 Mar - Fri, 20 Mar
SFO
San Francisco
SEA
Seattle
฿4,735 Return, found 5 days ago
฿4,735
Return
found 5 days ago
Select Delta flight, departing Mon, 16 Mar from San Francisco to Seattle, returning Fri, 20 Mar, priced at ฿4,735 found 5 days ago
Delta
Thu, 8 Jan - Sun, 11 Jan
SFO
San Francisco
SEA
Seattle
฿4,860 Return, found 1 day ago
฿4,860
Return
found 1 day ago
Select Delta flight, departing Thu, 8 Jan from San Francisco to Seattle, returning Sun, 11 Jan, priced at ฿4,860 found 1 day ago
Delta
Mon, 16 Mar - Fri, 20 Mar
SFO
San Francisco
SEA
Seattle
฿5,050 Return, found 5 days ago
฿5,050
Return
found 5 days ago
Select Delta flight, departing Mon, 16 Mar from San Francisco to Seattle, returning Fri, 20 Mar, priced at ฿5,050 found 5 days ago
Delta
Thu, 8 Jan - Sun, 11 Jan
SFO
San Francisco
SEA
Seattle
฿5,175 Return, found 1 day ago
฿5,175
Return
found 1 day ago
Select Delta flight, departing Thu, 8 Jan from San Francisco to Seattle, returning Sun, 11 Jan, priced at ฿5,175 found 1 day ago
American Airlines
Thu, 8 Jan - Sun, 11 Jan
SFO
San Francisco
SEA
Seattle
฿5,335 Return, found 1 day ago
฿5,335
Return
found 1 day ago
Select American Airlines flight, departing Thu, 8 Jan from San Francisco to Seattle, returning Sun, 11 Jan, priced at ฿5,335 found 1 day ago
United
Thu, 8 Jan - Sun, 11 Jan
SFO
San Francisco
SEA
Seattle
฿5,970 Return, found 1 day ago
฿5,970
Return
found 1 day ago
Select United flight, departing Thu, 8 Jan from San Francisco to Seattle, returning Sun, 11 Jan, priced at ฿5,970 found 1 day ago

Find the cheapest month to fly from San Francisco (SFO) to Seattle (SEA)

February is typically the cheapest month to fly

From ฿2,657 - ฿3,979 per traveller.
Flight from San Francisco to Seattle route information
Origin airport
San Francisco Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
฿3,745
Distance
1086 km
Average flight time
2 hours 14 mins

Perfect flights from San Francisco to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from San Francisco to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible San Francisco Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿1,555 and roundtrip prices from ฿3,745. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.

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 ฿3,745. 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.
*Available to Expedia members.