Cheap Flights from Seattle to San Francisco International

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Compare Seattle to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Seattle to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Seattle to San Francisco International Airport? If you want to travel next month, return fares start from Rp 1.819.227. Find the lowest prices on one-way and return tickets right here.

San Francisco.Rp 866.204 per passenger.Departing Wed, 4 Nov.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Wed, 4 Nov, arriving in San Francisco International.Price includes taxes and charges.From Rp 866.204, select.

San Francisco.Rp 874.206 per passenger.Departing Wed, 23 Sep.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Wed, 23 Sep, arriving in San Francisco International.Price includes taxes and charges.From Rp 874.206, select.

San Francisco.Rp 878.514 per passenger.Departing Sat, 31 Oct.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Sat, 31 Oct, arriving in San Francisco International.Price includes taxes and charges.From Rp 878.514, select.

San Francisco.Rp 886.926 per passenger.Departing Thu, 28 Jan.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Thu, 28 Jan, arriving in San Francisco International.Price includes taxes and charges.From Rp 886.926, select.

San Francisco.Rp 914.828 per passenger.Departing Wed, 9 Dec.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Wed, 9 Dec, arriving in San Francisco International.Price includes taxes and charges.From Rp 914.828, select.

San Francisco.Rp 979.865 per passenger.Departing Sat, 6 Feb.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Sat, 6 Feb, arriving in San Francisco International.Price includes taxes and charges.From Rp 979.865, select.

San Francisco.Rp 1.031.156 per passenger.Departing Thu, 4 Mar.One-way flight with United.Outbound direct flight with United departs from Seattle / Tacoma International on Thu, 4 Mar, arriving in San Francisco International.Price includes taxes and charges.From Rp 1.031.156, select.

San Francisco.Rp 1.374.396 per passenger.Departing Wed, 12 May.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Wed, 12 May, arriving in San Francisco International.Price includes taxes and charges.From Rp 1.374.396, select.

San Francisco.Rp 1.384.655 per passenger.Departing Wed, 14 Jul.One-way flight with United.Outbound direct flight with United departs from Seattle / Tacoma International on Wed, 14 Jul, arriving in San Francisco International.Price includes taxes and charges.From Rp 1.384.655, select.

San Francisco.Rp 1.384.655 per passenger.Departing Wed, 7 Apr.One-way flight with United.Outbound direct flight with United departs from Seattle / Tacoma International on Wed, 7 Apr, arriving in San Francisco International.Price includes taxes and charges.From Rp 1.384.655, select.

San Francisco.Rp 2.094.729 per passenger.Departing Tue, 29 Jun.One-way flight with United.Outbound direct flight with United departs from Seattle / Tacoma International on Tue, 29 Jun, arriving in San Francisco International.Price includes taxes and charges.From Rp 2.094.729, select.

Find the cheapest month to fly from Seattle to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to San Francisco International flights are currently cheapest in November.

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Direct flights from Seattle to San Francisco International

Seattle to San Francisco International: Alternative routes

Compare routes from Seattle to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Seattle to San Francisco: Flight information

The things to know before you go.

Cheapest flight found	Rp 866.204
Cheapest month to fly	November
Average flight time	2 hrs, 16 mins
Most popular airline	Qatar Airways
Average flights per week	1,998

Finding cheap flights from Seattle to San Francisco International: Frequently asked questions

How much are return flights from Seattle to San Francisco International?

The best price we found for a return flight from Seattle to San Francisco International is Rp 1.807.704. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Seattle to San Francisco International?

2 hours and 15 minutes is the average flight time from Seattle to San Francisco International.

Which airlines fly direct from Seattle to San Francisco International?

Qatar Airways, Alaska Airlines and United fly direct from Seattle to San Francisco International.

How many flights are there a week from Seattle to San Francisco International?

As of September 2026, there are 999 flights per week flying from Seattle to San Francisco International.

When is the cheapest time to fly from Seattle to San Francisco International?

The cheapest month to fly from Seattle to San Francisco International is usually September.

Which upcoming date is cheapest to fly from Seattle to San Francisco International Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to San Francisco International Airport on Saturday, 26 September 2026.

Can I get a direct flight from Seattle to San Francisco International Airport?

Yes – the average flight time is 2 hours and 15 minutes.

How can I find the best flight deal to San Francisco International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to San Francisco?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Seattle to San Francisco International with?

The cheapest airline that flies to San Francisco International is Alaska Airlines .

How to find cheap flights to San Francisco International from Seattle

Looking for cheap tickets from Seattle to San Francisco International? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Seattle to San Francisco International. And with us there are no hidden fees - what you see is what you pay.
Compare flight deals to San Francisco International from Seattle from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
Flex your dates to find the best Seattle-San Francisco International ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to San Francisco International from Seattle.
Set up a Price Alert. You can easily track the fare of your cheap Seattle-San Francisco International flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between Seattle and San Francisco International? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business class flights from Seattle and San Francisco International. We scour the internet for the best Business, Premium Economy and First Class flight fares to San Francisco International, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for Seattle to San Francisco International flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

Combine your flight to San Francisco International from Seattle with hotels and car hire

Once you've secured your cheap flight ticket from Seattle to San Francisco International, discover the best prices and exclusive rates for hotels in San Francisco International or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.