Cheap flights from Seattle to San Francisco (SEA - SFO)

Flight FAQs

From Seattle to San Francisco

Are flight prices decreasing from Seattle to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to San Francisco to control the spread of COVID-19?

New policies can now be found on Alaska Airlines, JetBlue, and Southwest to help keep travelers safe while flying. New policies for travelers booking flights from Seattle/Tacoma Intl to San Francisco include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Seattle/Tacoma Intl to San Francisco have flexible cancellations due to COVID-19?

Some of our airline partners flying from Seattle/Tacoma Intl to San Francisco have new flexible policies in place due to COVID-19. Alaska Airlines, United Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Alaska Airlines with this kind of flexibility.

Can I find flights from Seattle to San Francisco for under $100 on Cheapflights?

Yes, there are multiple flights from Seattle to San Francisco for under $100. The cheapest flight booked recently is on Frontier for just $68, but on average you can expect to pay $87.

Are there nonstop flights from Seattle to San Francisco for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to San Francisco under $100. A good price for a nonstop flight from Seattle to San Francisco is less than $147.

Are there last-minute flights available from Seattle to San Francisco for under $100?

There are currently 20+ open flights from Seattle to San Francisco within the next 7 days for less than $100.

What days are nonstop flights available from Seattle to San Francisco?

You can find nonstop flights on the following days: Sunday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How many flights depart from Seattle to San Francisco on average per day?

On average, you can expect to see 5 flights from Seattle/Tacoma Intl to San Francisco a day.
Morning (6am - Noon) - 20% of flight departures
Afternoon (Noon - 6pm) - 40% of flight departures
Evening (6pm - Midnight) - 40% of flight departures

Does it rain more in Seattle or San Francisco?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Seattle is typically similar to San Francisco. We can gather that this will continue over the next 22 days.

Is Seattle weather warmer or cooler than San Francisco?

With an average temperature of 77 °F, peak weather can be found in September. As a traveler, expect to see changes in flight prices during that period. The temperatures in San Francisco are hotter than in Seattle.

How long is the flight from Seattle to San Francisco?

Alaska Airlines, Delta, and Frontier can get you from Seattle to San Francisco in just under 2h 11m. Your travel time can differ by up to 5h 40m. Seattle and San Francisco are separated by a distance of 683 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Seattle to San Francisco round-trip?

According to our current data, Frontier ($68), and Alaska Airlines ($97) offers the cheapest pricing from Seattle to San Francisco. Users have found that Frontier is 57% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Seattle to San Francisco one-way?

$34 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta, with prices from $49.