Popular airlines from Seattle-Tacoma International Airport (SEA) to San Francisco Intl. Airport (SFO)
Alaska AirlinesAlaska Airlines
DeltaDelta
American AirlinesAmerican Airlines
UnitedUnited
Southwest AirlinesSouthwest Airlines
Frontier AirlinesFrontier Airlines
Hawaiian AirlinesHawaiian Airlines
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Today's featured flight deals from Seattle-Tacoma International Airport (SEA) to San Francisco Intl. Airport (SFO)
- Seattle (SEA) to San Francisco (SFO).Alaska Airlines, nonstop.Departing on Wed, Sep 3 at 8:08pm from Seattle, arriving at 10:23pm in San Francisco.Returning on Sun, Sep 7 at 6:00am from San Francisco, arriving at 8:07am in Seattle.Select Alaska Airlines flight departing on Wed, Sep 3 at 8:08pm from Seattle, returning on Sun, Sep 7 at 6:00am from San Francisco priced at $13950% less than typical$139
- Seattle (PAE) to San Francisco (SFO).Alaska Airlines, nonstop.Departing on Sun, Aug 24 at 8:21am from Seattle, arriving at 10:32am in San Francisco.Returning on Sat, Aug 30 at 1:00pm from San Francisco, arriving at 10:30pm in Seattle.Select Alaska Airlines flight departing on Sun, Aug 24 at 8:21am from Seattle, returning on Sat, Aug 30 at 1:00pm from San Francisco priced at $34320% less than typical$343
- Seattle (SEA) to San Francisco (SFO).Alaska Airlines, nonstop.Departing on Thu, Sep 4 at 9:40pm from Seattle, arriving on Fri, Sep 5 at 12:04am in San Francisco.Returning on Mon, Sep 8 at 7:00am from San Francisco, arriving at 9:10am in Seattle.Select Alaska Airlines flight departing on Thu, Sep 4 at 9:40pm from Seattle, returning on Mon, Sep 8 at 7:00am from San Francisco priced at $13945% less than typical$139
- Seattle (SEA) to San Francisco (SFO).Alaska Airlines, nonstop.Departing on Sat, Aug 30 at 8:08pm from Seattle, arriving at 10:23pm in San Francisco.Returning on Sun, Sep 7 at 7:00am from San Francisco, arriving at 9:10am in Seattle.Select Alaska Airlines flight departing on Sat, Aug 30 at 8:08pm from Seattle, returning on Sun, Sep 7 at 7:00am from San Francisco priced at $19235% less than typical$192
- Seattle (SEA) to San Francisco (SFO).Alaska Airlines, nonstop.Departing on Wed, Aug 27 at 6:05pm from Seattle, arriving at 8:20pm in San Francisco.Returning on Sun, Sep 7 at 6:00am from San Francisco, arriving at 8:07am in Seattle.Select Alaska Airlines flight departing on Wed, Aug 27 at 6:05pm from Seattle, returning on Sun, Sep 7 at 6:00am from San Francisco priced at $19230% less than typical$192
- Seattle (SEA) to San Francisco (SFO).Alaska Airlines, nonstop.Departing on Wed, Aug 27 at 7:05pm from Seattle, arriving at 9:20pm in San Francisco.Returning on Sun, Sep 7 at 7:00am from San Francisco, arriving at 9:10am in Seattle.Select Alaska Airlines flight departing on Wed, Aug 27 at 7:05pm from Seattle, returning on Sun, Sep 7 at 7:00am from San Francisco priced at $19230% less than typical$192
- Seattle (SEA) to San Francisco (SFO).Alaska Airlines, nonstop.Departing on Fri, Aug 29 at 9:40pm from Seattle, arriving at 11:59pm in San Francisco.Returning on Wed, Sep 3 at 6:00am from San Francisco, arriving at 8:07am in Seattle.Select Alaska Airlines flight departing on Fri, Aug 29 at 9:40pm from Seattle, returning on Wed, Sep 3 at 6:00am from San Francisco priced at $17435% less than typical$174
- Seattle (SEA) to San Francisco (SFO).Alaska Airlines, nonstop.Departing on Sat, Aug 30 at 8:08pm from Seattle, arriving at 10:23pm in San Francisco.Returning on Wed, Sep 3 at 8:00am from San Francisco, arriving at 10:20am in Seattle.Select Alaska Airlines flight departing on Sat, Aug 30 at 8:08pm from Seattle, returning on Wed, Sep 3 at 8:00am from San Francisco priced at $17435% less than typical$174
- Seattle (SEA) to San Francisco (SFO).Alaska Airlines, nonstop.Departing on Thu, Aug 28 at 7:00am from Seattle, arriving at 9:12am in San Francisco.Returning on Mon, Sep 1 at 6:00am from San Francisco, arriving at 8:07am in Seattle.Select Alaska Airlines flight departing on Thu, Aug 28 at 7:00am from Seattle, returning on Mon, Sep 1 at 6:00am from San Francisco priced at $22725% less than typical$227
Cheap Flights from Seattle to San Francisco (SEA-SFO)
Prices were available within the past 7 days and start at $61 for one-way flights and $122 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)
January is typically the cheapest month to fly
Graph displaying average flight prices per month
Alternative airports near San Francisco
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | Seattle - Tacoma Intl. |
Destination airport | San Francisco Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United |
Roundtrip price | $115 |
Distance | 679 mi |
Average flight time | 2 hours 11 mins |
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 October. 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 $61 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.
Frequently asked questions
Explore a world of travel with Expedia
Lodging
- San Francisco Hotels
- Hotels near San Francisco Intl. Airport Station
- Hotels near Millbrae Square Shopping Center
- Hotels near Bayfront Park
- Hotels near Millbrae Station
- Cheap Hotels in Millbrae
- Millbrae Hotels
- Hotels with Free Airport Shuttle in Millbrae
- Motel 6 Hotels in Millbrae
- Apartments in Millbrae
- La Quinta Inn & Suites Hotels in Millbrae
- Aparthotels in Millbrae
- Hotels with Restaurants in Millbrae
- Hotels with Kitchenettes in Millbrae
- B&B in Millbrae
- Hotels with Free Parking in Millbrae
- Pet-friendly Hotels in Millbrae
- Motels in Millbrae
- 5 Star Hotels in Millbrae
- Hilton Hotels in Millbrae
- Marriott Hotels & Resorts in Millbrae
- Luxury Hotels in Millbrae
- Boutique Hotels in Millbrae
- Extended Stay Hotels in Millbrae
- Hostels in Millbrae
- Hotels with a Pool in Millbrae
- Hotels with Hot Tubs in Millbrae
- Beach Hotels in Millbrae
- Condo Rentals in Millbrae
- Hotels with an Indoor Pool in Millbrae
- 4 Star Hotels in Millbrae
- Hotels with Suites in Millbrae
- Resorts & Hotels with Spas in Millbrae
- 3 Star Hotels in Millbrae
- Extended Stay America Hotels in Millbrae
- Casino Hotels in Millbrae
- RV Parks in Millbrae
- Romantic Hotels in Millbrae
- Hotels with Room Service in Millbrae
- Gay friendly Hotels in Millbrae
- Oceanfront Hotels in Millbrae
- Red Roof Inn Hotels in Millbrae
- Lodges in Millbrae
- Hotels with Laundry Facilities in Millbrae
- Hotels with Balconies in Millbrae
- Cabin Rentals in Millbrae
- Guest Houses in Millbrae
- Hotels with Bars in Millbrae
- Hotel Wedding Venues Hotels in Millbrae
- Hotels with Connecting Rooms in Millbrae
- Hotels with Free Breakfast in Millbrae
- Historic Hotels in Millbrae
- Hotels & Resorts for Couples in Millbrae
- Vagabond Inn Hotels in Millbrae
- Cheap Hotels in San Bruno
- Hotels near Artichoke Joe's Casino
- San Bruno Hotels
- Hotels near SFO Museum
- Hotels near San Bruno Station
- Hotels with Connecting Rooms in San Bruno
- Hotels with Hot Tubs in San Bruno
- Hotels with Free Airport Shuttle in San Bruno
- Motel 6 Hotels in San Bruno
- Apartments in San Bruno
- Hilton Hotels in San Bruno
- Condo Rentals in San Bruno
- Hostels in San Bruno
- Pet-friendly Hotels in San Bruno
- B&B in San Bruno
Cars
- Car rentals near San Francisco
- Car rentals near Millbrae Square Shopping Center
- Car rentals near Millbrae
- Hertz Rental Cars in Millbrae
- Budget Rental Cars in Millbrae
- Sixt Rental Cars in Millbrae
- Enterprise Rental Cars in Millbrae
- Airport Van Rental Rental Cars in Millbrae
- Avis Rental Cars in Millbrae
- Car rentals near San Bruno
- Enterprise Rental Cars in San Bruno
- Thrifty Car Rental Rental Cars in San Bruno
- Budget Rental Cars in San Bruno
- Hertz Rental Cars in San Bruno