£52 Cheap Flights from Seattle (SEA) to San Francisco (SFO)

You can find cheap one-way flights from £52 and cheap return flights £97 SEA to SFO with Expedia. One-way flights typically cost between £80 and £342, and return flights often range between £221 and £668. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to SFO ticket fares go up or down.

January is typically the cheapest month to fly from Seattle-Tacoma International Airport (SEA) to San Francisco International Airport (SFO), with average return fares around £162. January often sees lower prices because it falls after the busy holiday travel season, when demand tends to decrease and airlines offer more competitive fares. February and May are also good months to find deals on this route.

Enter SEA to SFO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Seattle, WA (SEA) to San Francisco, CA (SFO), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Seattle, WA (SEA) to San Francisco, CA (SFO). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.

Direct flights from SEA to SFO usually take about 2 hours 20 minutes, traveling roughly 1,093 kilometers. If you opt for a connecting flight, expect to add around 4 hours to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Select the "Business class" and "First class" filters when looking for Seattle, WA (SEA) to San Francisco, CA (SFO) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

A non-stop, one-way business class flight from Seattle - Tacoma Intl. (SEA) to San Francisco Intl. (SFO) is usually around £238 - £407. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seattle - Tacoma Intl. (SEA) to San Francisco Intl. (SFO) if you opt for a connecting flight.

It's easy to earn miles on a Seattle, WA (SEA) to San Francisco, CA (SFO) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Typically, booking a last minute flight from Seattle, WA (SEA) to San Francisco, CA (SFO) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Seattle, WA (SEA) to San Francisco, CA (SFO) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Seattle, WA (SEA) to San Francisco, CA (SFO) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.