฿1,840 Cheap Flights from San Francisco (SFO) to Seattle (SEA)

View ฿1,840 flight on Tue, 17 Feb 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿1,840 for one-way flights and ฿3,675 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 17 Feb - Fri, 20 Feb
SFO
San Francisco
SEA
Seattle
฿3,675 Return, found 10 hours ago
฿3,675
Return
found 10 hours ago
Select Delta flight, departing Tue, 17 Feb from San Francisco to Seattle, returning Fri, 20 Feb, priced at ฿3,675 found 10 hours ago
Delta
Tue, 17 Feb - Fri, 20 Feb
SFO
San Francisco
SEA
Seattle
฿4,300 Return, found 10 hours ago
฿4,300
Return
found 10 hours ago
Select Delta flight, departing Tue, 17 Feb from San Francisco to Seattle, returning Fri, 20 Feb, priced at ฿4,300 found 10 hours ago
United
Tue, 17 Feb - Fri, 20 Feb
SFO
San Francisco
SEA
Seattle
฿4,775 Return, found 10 hours ago
฿4,775
Return
found 10 hours ago
Select United flight, departing Tue, 17 Feb from San Francisco to Seattle, returning Fri, 20 Feb, priced at ฿4,775 found 10 hours ago
Delta
Tue, 17 Feb - Fri, 20 Feb
SFO
San Francisco
SEA
Seattle
฿4,930 Return, found 10 hours ago
฿4,930
Return
found 10 hours ago
Select Delta flight, departing Tue, 17 Feb from San Francisco to Seattle, returning Fri, 20 Feb, priced at ฿4,930 found 10 hours ago
Delta
Tue, 17 Feb - Fri, 20 Feb
SFO
San Francisco
SEA
Seattle
฿5,240 Return, found 10 hours ago
฿5,240
Return
found 10 hours ago
Select Delta flight, departing Tue, 17 Feb from San Francisco to Seattle, returning Fri, 20 Feb, priced at ฿5,240 found 10 hours ago
United
Tue, 17 Feb - Fri, 20 Feb
SFO
San Francisco
SEA
Seattle
฿5,395 Return, found 10 hours ago
฿5,395
Return
found 10 hours ago
Select United flight, departing Tue, 17 Feb from San Francisco to Seattle, returning Fri, 20 Feb, priced at ฿5,395 found 10 hours ago
United
Tue, 17 Feb - Fri, 20 Feb
SFO
San Francisco
SEA
Seattle
฿5,405 Return, found 10 hours ago
฿5,405
Return
found 10 hours ago
Select United flight, departing Tue, 17 Feb from San Francisco to Seattle, returning Fri, 20 Feb, priced at ฿5,405 found 10 hours ago
Delta
Tue, 17 Feb - Fri, 20 Feb
SFO
San Francisco
SEA
Seattle
฿5,550 Return, found 10 hours ago
฿5,550
Return
found 10 hours ago
Select Delta flight, departing Tue, 17 Feb from San Francisco to Seattle, returning Fri, 20 Feb, priced at ฿5,550 found 10 hours ago
American Airlines
Tue, 17 Feb - Fri, 20 Feb
SFO
San Francisco
SEA
Seattle
฿6,480 Return, found 10 hours ago
฿6,480
Return
found 10 hours ago
Select American Airlines flight, departing Tue, 17 Feb from San Francisco to Seattle, returning Fri, 20 Feb, priced at ฿6,480 found 10 hours ago
Alaska Airlines
Tue, 17 Feb - Fri, 20 Feb
SFO
San Francisco
SEA
Seattle
฿6,635 Return, found 10 hours ago
฿6,635
Return
found 10 hours ago
Select Alaska Airlines flight, departing Tue, 17 Feb from San Francisco to Seattle, returning Fri, 20 Feb, priced at ฿6,635 found 10 hours 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.
Airlines serving
American Airlines, Delta, United
Return price
฿3,675
Distance
1086 km
Average flight time
2 hours 17 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 ฿1,840 and roundtrip prices from ฿3,675. 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 ฿3,675. 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.
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