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Cheap flights from Seattle to San Francisco from £47

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to San Francisco departing on 22/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Seattle to San Francisco

Cheap return flights

These are some of the best return flight deals from Seattle to San Francisco that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to San Francisco.

Cheap last-minute flights

Planning a quick getaway from Seattle to San Francisco? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Francisco, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Seattle to San Francisco

Find recent round-trip train or bus tickets from Seattle to San Francisco.

All round-trip flight deals to San Francisco

The cheapest plane tickets to San Francisco found on KAYAK recently.
12:10 - 18:02SEA-SFO
5h 52m1 stop
06:05 - 15:45SFO-SEA
9h 40m1 stop
£76Frontier
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Thu, 6 Feb - Sun, 9 Feb
09:40 - 07:16SEA-SFO
21h 36m1 stop
06:00 - 12:36SFO-SEA
6h 36m1 stop
£80Frontier
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Mon, 10 Feb - Wed, 12 Feb
12:10 - 18:02SEA-SFO
5h 52m1 stop
10:00 - 12:18SFO-SEA
2h 18mdirect
Thu, 6 Feb - Sun, 9 Feb
11:30 - 13:47SEA-SFO
2h 17mdirect
08:20 - 10:35SFO-SEA
2h 15mdirect
£86Alaska Airlines
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Mon, 10 Feb - Wed, 12 Feb
13:23 - 15:35SEA-SFO
2h 12mdirect
06:00 - 08:19SFO-SEA
2h 19mdirect
£87Alaska Airlines
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Thu, 6 Feb - Sun, 9 Feb
11:30 - 13:47SEA-SFO
2h 17mdirect
16:32 - 18:47SFO-SEA
2h 15mdirect
£88Alaska Airlines
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Tue, 14 Jan - Tue, 14 Jan
13:35 - 15:47SEA-SFO
2h 12mdirect
06:10 - 08:35SFO-SEA
2h 25mdirect
£93Delta
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Sun, 19 Jan - Wed, 22 Jan
06:15 - 08:33SEA-SFO
2h 18mdirect
06:05 - 08:26SFO-SEA
2h 21mdirect
£109Delta
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Wed, 19 Mar - Wed, 26 Mar
07:00 - 09:20SEA-SFO
2h 20mdirect
19:00 - 21:20SFO-SEA
2h 20mdirect
£149United Airlines
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Thu, 23 Jan - Sun, 26 Jan
12:50 - 15:09SEA-SFO
2h 19mdirect
19:00 - 21:20SFO-SEA
2h 20mdirect
£150United Airlines
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Thu, 23 Jan - Sun, 26 Jan
07:00 - 09:12SEA-SFO
2h 12mdirect
£47Alaska Airlines
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Sat, 22 Feb
07:00 - 09:21SEA-SFO
2h 21mdirect
£55United Airlines
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Wed, 26 Mar
11:30 - 13:47SEA-SFO
2h 17mdirect
£61Alaska Airlines
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Thu, 16 Jan
13:40 - 15:51SEA-SFO
2h 11mdirect
£63Alaska Airlines
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Sat, 19 Apr
06:10 - 08:31SEA-SFO
2h 21mdirect
£71Delta
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Tue, 7 Jan
17:35 - 19:57SEA-SFO
2h 22mdirect
£87Delta
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Sat, 11 Jan
06:50 - 15:25SEA-SFO
8h 35m2 stops
£104Southwest
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Sat, 18 Jan
06:00 - 14:30SEA-SFO
8h 30m2 stops
£118Southwest
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Mon, 13 Jan
00:55 - 00:39SEA-SFO
23h 44m1 stop
£397American Airlines
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Sun, 5 Jan
00:55 - 20:59SEA-SFO
20h 04m2 stops
£401American Airlines
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Sun, 5 Jan
21:40 - 23:58SEA-SFO
2h 18mdirect
16:32 - 18:47SFO-SEA
2h 15mdirect
£304Alaska Airlines
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Sun, 29 Dec - Mon, 6 Jan
11:20 - 13:40SEA-SFO
2h 20mdirect
06:00 - 08:18SFO-SEA
2h 18mdirect
£327Alaska Airlines
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Sun, 29 Dec - Sun, 5 Jan
19:05 - 00:28SEA-SFO
5h 23m1 stop
20:40 - 23:05SFO-SEA
2h 25mdirect
£340Delta
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Sun, 29 Dec - Mon, 6 Jan
11:20 - 13:40SEA-SFO
2h 20mdirect
21:29 - 23:44SFO-SEA
2h 15mdirect
£347Alaska Airlines
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Wed, 25 Dec - Sun, 5 Jan
17:00 - 22:48SEA-SFO
5h 48m1 stop
10:35 - 13:00SFO-SEA
2h 25mdirect
£382Delta
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Wed, 25 Dec - Sun, 5 Jan
17:05 - 00:28SEA-SFO
7h 23m1 stop
17:16 - 00:50SFO-SEA
7h 34m1 stop
£390Delta
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Sun, 29 Dec - Mon, 6 Jan
16:30 - 18:49SEA-SFO
2h 19mdirect
22:35 - 14:00SFO-SEA
15h 25m1 stop
£408United Airlines
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Sun, 29 Dec - Mon, 6 Jan
07:15 - 09:37SEA-SFO
2h 22mdirect
13:05 - 15:25SFO-SEA
2h 20mdirect
£432United Airlines
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Wed, 25 Dec - Wed, 25 Dec
13:50 - 00:35SEA-SFO
10h 45m1 stop
14:30 - 22:10SFO-SEA
7h 40m2 stops
£435Southwest
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Sat, 28 Dec - Fri, 3 Jan
06:50 - 15:20SEA-SFO
8h 30m2 stops
07:05 - 14:05SFO-SEA
7h 00m1 stop
£455Southwest
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Wed, 25 Dec - Wed, 1 Jan
11:30 - 13:47SEA-SFO
2h 17mdirect
08:20 - 10:35SFO-SEA
2h 15mdirect
£86Alaska Airlines
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Mon, 10 Feb - Wed, 12 Feb
11:30 - 13:47SEA-SFO
2h 17mdirect
16:32 - 18:47SFO-SEA
2h 15mdirect
£88Alaska Airlines
Find Deal
Tue, 14 Jan - Tue, 14 Jan
13:35 - 15:47SEA-SFO
2h 12mdirect
20:40 - 23:05SFO-SEA
2h 25mdirect
£93Delta
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Sat, 18 Jan - Fri, 24 Jan
08:03 - 10:24SEA-SFO
2h 21mdirect
08:00 - 10:12SFO-SEA
2h 12mdirect
£101Alaska Airlines
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Wed, 22 Jan - Tue, 22 Apr
08:03 - 10:24SEA-SFO
2h 21mdirect
07:00 - 09:15SFO-SEA
2h 15mdirect
£108Alaska Airlines
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Sat, 1 Feb - Sat, 8 Feb
10:25 - 12:49SEA-SFO
2h 24mdirect
06:05 - 08:26SFO-SEA
2h 21mdirect
£109Delta
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Wed, 19 Mar - Wed, 26 Mar
17:35 - 19:57SEA-SFO
2h 22mdirect
06:10 - 08:35SFO-SEA
2h 25mdirect
£113Delta
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Fri, 17 Jan - Mon, 20 Jan
09:20 - 11:39SEA-SFO
2h 19mdirect
09:00 - 11:20SFO-SEA
2h 20mdirect
£149United Airlines
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Thu, 23 Jan - Sun, 26 Jan
12:50 - 15:09SEA-SFO
2h 19mdirect
19:00 - 21:20SFO-SEA
2h 20mdirect
£150United Airlines
Find Deal
Thu, 23 Jan - Sun, 26 Jan
07:00 - 09:16SEA-SFO
2h 16mdirect
22:35 - 00:55SFO-SEA
2h 20mdirect
£163United Airlines
Find Deal
Fri, 14 Feb - Sat, 22 Feb

Delta flights from Seattle to San Francisco

Our best Delta deals on Seattle to San Francisco flight tickets
Delta
19 Jan
SEA13:35Seattle/Tacoma Intl
2h 12m
SFO15:47San Francisco
22 Jan
SFO06:10San Francisco
2h 25m
SEA08:35Seattle/Tacoma Intl
Delta
19 Mar
SEA06:15Seattle/Tacoma Intl
2h 18m
SFO08:33San Francisco
26 Mar
SFO06:05San Francisco
2h 21m
SEA08:26Seattle/Tacoma Intl
Delta
17 Jan
SEA17:35Seattle/Tacoma Intl
2h 22m
SFO19:57San Francisco
23 Jan
SFO09:21San Francisco
2h 34m
SEA11:55Seattle/Tacoma Intl

Southwest flights from Seattle to San Francisco

Our best Southwest deals on Seattle to San Francisco flight tickets
Southwest
14 Jan
SEA07:00Seattle/Tacoma Intl
7h 30m
2 stops
SFO14:30San Francisco
21 Jan
SFO13:40San Francisco
7h 20m
2 stops
SEA21:00Seattle/Tacoma Intl
Southwest
11 Jan
SEA05:35Seattle/Tacoma Intl
9h 50m
1 stop
SFO15:25San Francisco
13 Jan
SFO09:00San Francisco
8h 20m
2 stops
SEA17:20Seattle/Tacoma Intl
Southwest
11 Jan
SEA08:15Seattle/Tacoma Intl
10h 50m
2 stops
SFO19:05San Francisco
13 Jan
SFO09:00San Francisco
8h 20m
2 stops
SEA17:20Seattle/Tacoma Intl

See travel insights to San Francisco from

How to get the cheapest flight ticket from Seattle to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

The month of September is, on average, the cheapest month to fly to San Francisco from Seattle, with most prices found around £164. If you are unable to visit San Francisco during the month of September, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around £166.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart on your flight to San Francisco is on a Wednesday when prices can be found for as low as £0. This is often the case because there is less demand to fly during this day of the week. Flights from Seattle to San Francisco on a Monday will generally be more expensive and average around £238. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Francisco?

Our most recent data shows that the best time of day to fly to San Francisco is at midday. Flights from Seattle to San Francisco during this time can be as low as £0. Try not to purchase tickets in the morning because they tend to be around £178. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seattle/Tacoma Intl to San Francisco flight route?

Fly from Seattle/Tacoma Intl to San Francisco for the best Seattle/Tacoma Intl - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

In general, most travellers find the cheapest time to book a flight to San Francisco is about 58 days prior to their departure date, when tickets on average are £188. Keep in mind that you might also find cheap flights to San Francisco outside of this time window. In fact, momondo users recently found flights from Seattle to San Francisco for £102.

What cabin class options are available on Seattle/Tacoma Intl to San Francisco flights?

There are 2 cabin classes available to choose from on Seattle/Tacoma Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to San Francisco flights?

You could potentially save up to 49% on your flight if you consider stops on a Seattle to San Francisco flight.

How have Seattle to San Francisco flight prices changed over time?

As of December 2024, prices for Seattle to San Francisco flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Seattle to San Francisco (SEA to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to San Francisco

Best price found

£47

Fastest flight time

2h 10m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Seattle in the past 72 hours is £47. The best return flight deal from Seattle to San Francisco found on momondo in the last 72 hours is £76.
The fastest flight from Seattle to San Francisco takes 2h 10m
Direct flights go from Seattle to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

  • How far is Seattle/Tacoma Intl to San Francisco by plane?

    The distance between Seattle/Tacoma Intl and San Francisco is about 678.2 mi. Typically, this will take 2h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to San Francisco Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to San Francisco Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to San Francisco Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to San Francisco Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Seattle to San Francisco?

  • What is the most popular airline from Seattle to San Francisco?


Best airlines flying from Seattle to San Francisco

Compare and see reviews for airlines that fly from Seattle to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom £102Free CancellationRating
8.0
9,555 reviews
Search Alaska Airlines flights
  • Alaska Airlines Flights From Seattle to San Francisco

    Alaska Airlines flight deals from Seattle to San Francisco start from £128 round-trip. Over the 16 Alaska Airlines flights for this route in a normal week, average airfare is usually £187 round-trip - but some users have found much cheaper deals with momondo.


Why use momondo?

Why should I use momondo to find a flight deal from Seattle to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Seattle.

Can I find flights from Seattle to San Francisco with flexible booking policies on momondo?

Flights from Seattle to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to San Francisco?

Once you have performed a search for Seattle to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to San Francisco right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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