Popular airlines from Seattle-Tacoma International Airport (SEA) to San Francisco Intl. Airport (SFO)
Alaska AirlinesAlaska Airlines
DeltaDelta
American AirlinesAmerican Airlines
UnitedUnited
Frontier AirlinesFrontier Airlines
Southwest AirlinesSouthwest Airlines
Hawaiian AirlinesHawaiian Airlines
Today's featured flight deals from Seattle-Tacoma International Airport (SEA) to San Francisco Intl. Airport (SFO)
- Seattle (SEA) to San Francisco (SFO).Delta, nonstop.Departing on Sat, Dec 20 at 10:15pm from Seattle, arriving on Sun, Dec 21 at 12:32am in San Francisco.Returning on Fri, Jan 2 at 5:45am from San Francisco, arriving at 8:06am in Seattle.Select Delta flight departing on Sat, Dec 20 at 10:15pm from Seattle, returning on Fri, Jan 2 at 5:45am from San Francisco priced at $11765% less than typical$117
- Seattle (SEA) to San Francisco (SFO).Delta, nonstop.Departing on Sat, Dec 20 at 10:15pm from Seattle, arriving on Sun, Dec 21 at 12:32am in San Francisco.Returning on Sat, Jan 3 at 5:45am from San Francisco, arriving at 8:06am in Seattle.Select Delta flight departing on Sat, Dec 20 at 10:15pm from Seattle, returning on Sat, Jan 3 at 5:45am from San Francisco priced at $11765% less than typical$117
- Seattle (SEA) to San Francisco (SFO).Delta, nonstop.Departing on Wed, Dec 24 at 7:13am from Seattle, arriving at 9:33am in San Francisco.Returning on Fri, Jan 2 at 5:45am from San Francisco, arriving at 8:06am in Seattle.Select Delta flight departing on Wed, Dec 24 at 7:13am from Seattle, returning on Fri, Jan 2 at 5:45am from San Francisco priced at $11760% less than typical$117
- Seattle (SEA) to San Francisco (SFO).Delta, nonstop.Departing on Tue, Dec 23 at 7:13am from Seattle, arriving at 9:33am in San Francisco.Returning on Fri, Jan 2 at 5:45am from San Francisco, arriving at 8:06am in Seattle.Select Delta flight departing on Tue, Dec 23 at 7:13am from Seattle, returning on Fri, Jan 2 at 5:45am from San Francisco priced at $11755% less than typical$117
- Seattle (SEA) to San Francisco (SFO).Delta, nonstop.Departing on Sat, Dec 20 at 7:13am from Seattle, arriving at 9:33am in San Francisco.Returning on Thu, Dec 25 at 9:47pm from San Francisco, arriving at 11:59pm in Seattle.Select Delta flight departing on Sat, Dec 20 at 7:13am from Seattle, returning on Thu, Dec 25 at 9:47pm from San Francisco priced at $15750% less than typical$157
- Seattle (SEA) to San Francisco (SFO).Delta, nonstop.Departing on Mon, Dec 22 at 10:15pm from Seattle, arriving on Tue, Dec 23 at 12:32am in San Francisco.Returning on Fri, Dec 26 at 5:45am from San Francisco, arriving at 8:06am in Seattle.Select Delta flight departing on Mon, Dec 22 at 10:15pm from Seattle, returning on Fri, Dec 26 at 5:45am from San Francisco priced at $17740% less than typical$177
- Seattle (SEA) to San Francisco (SFO).Alaska Airlines, nonstop.Departing on Wed, Dec 10 at 7:21pm from Seattle, arriving at 9:34pm in San Francisco.Returning on Sun, Dec 14 at 7:35am from San Francisco, arriving at 9:52am in Seattle.Select Alaska Airlines flight departing on Wed, Dec 10 at 7:21pm from Seattle, returning on Sun, Dec 14 at 7:35am from San Francisco priced at $11750% less than typical$117
- Seattle (SEA) to San Francisco (SFO).Alaska Airlines, nonstop.Departing on Thu, Dec 11 at 1:30pm from Seattle, arriving at 3:46pm in San Francisco.Returning on Mon, Dec 15 at 7:35am from San Francisco, arriving at 9:52am in Seattle.Select Alaska Airlines flight departing on Thu, Dec 11 at 1:30pm from Seattle, returning on Mon, Dec 15 at 7:35am from San Francisco priced at $11745% less than typical$117
- Seattle (SEA) to San Francisco (SFO).Alaska Airlines, nonstop.Departing on Thu, Dec 11 at 1:30pm from Seattle, arriving at 3:46pm in San Francisco.Returning on Mon, Dec 15 at 7:25pm from San Francisco, arriving at 9:43pm in Seattle.Select Alaska Airlines flight departing on Thu, Dec 11 at 1:30pm from Seattle, returning on Mon, Dec 15 at 7:25pm from San Francisco priced at $11745% less than typical$117
Cheap Flights from Seattle to San Francisco (SEA-SFO)
Prices were available within the past 7 days and start at $55 for one-way flights and $110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Find the cheapest month to fly from Seattle (SEA) to San Francisco (SFO)
February is typically the cheapest month to fly
Alternative airports near San Francisco
Prices were available within the past 7 days. Prices and availability are subject to change.
Travel information
Origin airport | Seattle - Tacoma Intl. |
|---|---|
Destination airport | San Francisco Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United |
Roundtrip price | $110 |
Distance | 679 mi |
Average flight time | 2 hours 13 mins |
Book with confidence
Seattle to San Francisco Flights
The cheapest times to fly from Seattle to San Francisco
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to San Francisco are during the month of February. You can find some of the cheapest flights from Seattle to San Francisco with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Seattle to San Francisco
Sunday is one of the best days to book for cheap flights from Seattle to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Seattle to San Francisco
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $55 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
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