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Cheap flights from San Francisco to Seattle from C$ 99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Seattle departing on 18/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Francisco to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from San Francisco to Seattle 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 San Francisco to Seattle.

Cheap last-minute flights

Planning a quick getaway from San Francisco to Seattle? 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 Seattle, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Francisco to Seattle

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

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
7:55 p.m. - 2:53 p.m.SFO-SEA
18h 58m1 stop
5:45 p.m. - 8:03 p.m.SEA-SFO
2h 18mdirect
C$ 152Alaska Airlines
Find Deal
Fri, 10 Jan - Sat, 11 Jan
4:32 p.m. - 6:47 p.m.SFO-SEA
2h 15mdirect
9:35 p.m. - 11:49 p.m.SEA-SFO
2h 14mdirect
C$ 160Alaska Airlines
Find Deal
Mon, 13 Jan - Mon, 13 Jan
1:30 p.m. - 3:54 p.m.SFO-SEA
2h 24mdirect
6:10 a.m. - 8:31 a.m.SEA-SFO
2h 21mdirect
C$ 167Delta
Find Deal
Mon, 13 Jan - Thu, 16 Jan
1:30 p.m. - 3:54 p.m.SFO-SEA
2h 24mdirect
6:10 a.m. - 8:31 a.m.SEA-SFO
2h 21mdirect
C$ 168Delta
Find Deal
Fri, 10 Jan - Sun, 12 Jan
1:25 p.m. - 3:45 p.m.SFO-SEA
2h 20mdirect
7:00 a.m. - 9:20 a.m.SEA-SFO
2h 20mdirect
C$ 181United Airlines
Find Deal
Fri, 17 Jan - Fri, 24 Jan
7:00 p.m. - 9:20 p.m.SFO-SEA
2h 20mdirect
9:20 a.m. - 11:39 a.m.SEA-SFO
2h 19mdirect
C$ 240United Airlines
Find Deal
Thu, 9 Jan - Wed, 15 Jan
6:00 a.m. - 1:10 p.m.SFO-SEA
7h 10m1 stop
3:15 p.m. - 12:09 a.m.SEA-SFO
8h 54m1 stop
C$ 338Frontier
Find Deal
Wed, 1 Jan - Mon, 27 Jan
6:35 a.m. - 1:50 p.m.SFO-SEA
7h 15m1 stop
5:05 a.m. - 2:35 p.m.SEA-SFO
9h 30m1 stop
C$ 363Southwest
Find Deal
Tue, 14 Jan - Thu, 16 Jan
6:05 a.m. - 5:50 p.m.SFO-SEA
11h 45m2 stops
5:05 a.m. - 11:35 a.m.SEA-SFO
6h 30m1 stop
C$ 367Southwest
Find Deal
Mon, 13 Jan - Thu, 16 Jan
11:59 p.m. - 3:22 p.m.SFO-SEA
15h 23m1 stop
3:15 p.m. - 12:09 a.m.SEA-SFO
8h 54m1 stop
C$ 374Frontier
Find Deal
Sun, 5 Jan - Mon, 27 Jan
4:45 p.m. - 7:00 p.m.SFO-SEA
2h 15mdirect
C$ 99Delta
Find Deal
Tue, 18 Mar
7:00 a.m. - 9:15 a.m.SFO-SEA
2h 15mdirect
C$ 111Alaska Airlines
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Fri, 17 Jan
10:00 a.m. - 12:17 p.m.SFO-SEA
2h 17mdirect
C$ 121Delta
Find Deal
Fri, 25 Apr
8:20 a.m. - 2:53 p.m.SFO-SEA
6h 33m1 stop
C$ 127Alaska Airlines
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Sat, 18 Jan
8:40 a.m. - 7:26 p.m.SFO-SEA
10h 46m2 stops
C$ 138Alaska Airlines
Find Deal
Sat, 11 Jan
1:35 p.m. - 3:54 p.m.SFO-SEA
2h 19mdirect
C$ 150United Airlines
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Tue, 25 Mar
7:00 p.m. - 9:20 p.m.SFO-SEA
2h 20mdirect
C$ 176United Airlines
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Tue, 7 Jan
11:25 a.m. - 7:40 p.m.SFO-SEA
8h 15m2 stops
C$ 188Southwest
Find Deal
Sat, 11 Jan
9:00 a.m. - 8:10 p.m.SFO-SEA
11h 10m2 stops
C$ 197Southwest
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Fri, 31 Jan
6:13 p.m. - 12:10 a.m.SFO-SEA
29h 57m3 stops
C$ 941
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Fri, 3 Jan
12:14 p.m. - 2:34 p.m.SFO-SEA
2h 20mdirect
1:23 p.m. - 3:35 p.m.SEA-SFO
2h 12mdirect
C$ 442Alaska Airlines
Find Deal
Thu, 26 Dec - Thu, 9 Jan
9:29 p.m. - 11:44 p.m.SFO-SEA
2h 15mdirect
1:23 p.m. - 3:35 p.m.SEA-SFO
2h 12mdirect
C$ 478Alaska Airlines
Find Deal
Sun, 22 Dec - Thu, 9 Jan
8:00 a.m. - 10:20 a.m.SFO-SEA
2h 20mdirect
8:45 a.m. - 12:52 p.m.SEA-SFO
4h 07m1 stop
C$ 502Alaska Airlines
Find Deal
Thu, 26 Dec - Thu, 9 Jan
4:45 p.m. - 12:24 a.m.SFO-SEA
7h 39m1 stop
5:35 p.m. - 7:57 p.m.SEA-SFO
2h 22mdirect
C$ 506Delta
Find Deal
Thu, 26 Dec - Thu, 9 Jan
2:03 p.m. - 10:30 p.m.SFO-SEA
8h 27m1 stop
3:25 p.m. - 5:44 p.m.SEA-SFO
2h 19mdirect
C$ 542United Airlines
Find Deal
Sun, 22 Dec - Thu, 9 Jan
6:00 a.m. - 8:18 a.m.SFO-SEA
2h 18mdirect
8:45 a.m. - 12:52 p.m.SEA-SFO
4h 07m1 stop
C$ 560Alaska Airlines
Find Deal
Thu, 26 Dec - Wed, 8 Jan
2:03 p.m. - 10:30 p.m.SFO-SEA
8h 27m1 stop
3:18 p.m. - 10:56 p.m.SEA-SFO
7h 38m1 stop
C$ 581United Airlines
Find Deal
Sun, 22 Dec - Mon, 27 Jan
7:25 a.m. - 5:20 p.m.SFO-SEA
9h 55m1 stop
7:40 p.m. - 9:10 a.m.SEA-SFO
13h 30m1 stop
C$ 653Southwest
Find Deal
Thu, 26 Dec - Sat, 4 Jan
7:25 p.m. - 9:51 p.m.SFO-SEA
2h 26mdirect
5:05 p.m. - 12:28 a.m.SEA-SFO
7h 23m1 stop
C$ 655Delta
Find Deal
Thu, 26 Dec - Thu, 2 Jan
12:40 p.m. - 9:45 p.m.SFO-SEA
9h 05m2 stops
7:40 p.m. - 9:10 a.m.SEA-SFO
13h 30m1 stop
C$ 660Southwest
Find Deal
Tue, 24 Dec - Sat, 4 Jan
4:32 p.m. - 6:47 p.m.SFO-SEA
2h 15mdirect
9:35 p.m. - 11:49 p.m.SEA-SFO
2h 14mdirect
C$ 160Alaska Airlines
Find Deal
Mon, 13 Jan - Mon, 13 Jan
1:30 p.m. - 3:54 p.m.SFO-SEA
2h 24mdirect
6:10 a.m. - 8:31 a.m.SEA-SFO
2h 21mdirect
C$ 167Delta
Find Deal
Mon, 13 Jan - Thu, 16 Jan
6:10 a.m. - 8:35 a.m.SFO-SEA
2h 25mdirect
6:10 a.m. - 8:31 a.m.SEA-SFO
2h 21mdirect
C$ 168Delta
Find Deal
Fri, 10 Jan - Sun, 12 Jan
1:25 p.m. - 3:45 p.m.SFO-SEA
2h 20mdirect
7:00 a.m. - 9:20 a.m.SEA-SFO
2h 20mdirect
C$ 181United Airlines
Find Deal
Fri, 17 Jan - Fri, 24 Jan
6:10 a.m. - 8:35 a.m.SFO-SEA
2h 25mdirect
1:35 p.m. - 3:47 p.m.SEA-SFO
2h 12mdirect
C$ 184Delta
Find Deal
Sun, 19 Jan - Sat, 25 Jan
7:00 a.m. - 9:15 a.m.SFO-SEA
2h 15mdirect
11:30 a.m. - 1:47 p.m.SEA-SFO
2h 17mdirect
C$ 186Alaska Airlines
Find Deal
Sun, 26 Jan - Sun, 26 Jan
7:00 a.m. - 9:15 a.m.SFO-SEA
2h 15mdirect
7:59 p.m. - 10:12 p.m.SEA-SFO
2h 13mdirect
C$ 194Alaska Airlines
Find Deal
Fri, 17 Jan - Fri, 24 Jan
7:00 a.m. - 9:15 a.m.SFO-SEA
2h 15mdirect
7:00 p.m. - 9:18 p.m.SEA-SFO
2h 18mdirect
C$ 197Alaska Airlines
Find Deal
Sat, 26 Apr - Sat, 26 Apr
7:00 p.m. - 9:20 p.m.SFO-SEA
2h 20mdirect
9:20 a.m. - 11:39 a.m.SEA-SFO
2h 19mdirect
C$ 240United Airlines
Find Deal
Thu, 9 Jan - Wed, 15 Jan
7:00 p.m. - 9:20 p.m.SFO-SEA
2h 20mdirect
3:25 p.m. - 5:44 p.m.SEA-SFO
2h 19mdirect
C$ 269United Airlines
Find Deal
Fri, 10 Jan - Mon, 13 Jan

Alaska Airlines flights from San Francisco to Seattle

Our best Alaska Airlines deals on San Francisco to Seattle flight tickets
Alaska Airlines
10 Jan
SFO7:55 p.m.San Francisco
18h 58m
1 stop
SEA2:53 p.m.Seattle/Tacoma Intl
11 Jan
SEA5:45 p.m.Seattle/Tacoma Intl
2h 18m
SFO8:03 p.m.San Francisco
Alaska Airlines
13 Jan
SFO4:32 p.m.San Francisco
2h 15m
SEA6:47 p.m.Seattle/Tacoma Intl
13 Jan
SEA9:35 p.m.Seattle/Tacoma Intl
2h 14m
SFO11:49 p.m.San Francisco
Alaska Airlines
13 Jan
SFO7:00 a.m.San Francisco
2h 15m
SEA9:15 a.m.Seattle/Tacoma Intl
13 Jan
SEA11:36 a.m.Seattle/Tacoma Intl
4h 55m
1 stop
SFO4:31 p.m.San Francisco

Delta flights from San Francisco to Seattle

Our best Delta deals on San Francisco to Seattle flight tickets
Delta
13 Jan
SFO1:30 p.m.San Francisco
2h 24m
SEA3:54 p.m.Seattle/Tacoma Intl
16 Jan
SEA6:10 a.m.Seattle/Tacoma Intl
2h 21m
SFO8:31 a.m.San Francisco
Delta
10 Jan
SFO1:30 p.m.San Francisco
2h 24m
SEA3:54 p.m.Seattle/Tacoma Intl
12 Jan
SEA6:10 a.m.Seattle/Tacoma Intl
2h 21m
SFO8:31 a.m.San Francisco
Delta
19 Jan
SFO6:10 a.m.San Francisco
2h 25m
SEA8:35 a.m.Seattle/Tacoma Intl
25 Jan
SEA1:35 p.m.Seattle/Tacoma Intl
2h 12m
SFO3:47 p.m.San Francisco

See travel insights to Seattle from

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

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 typical price of a round-trip flight between San Francisco and Seattle?

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 285.

What is the cheapest day to depart on your flight to Seattle?

Our data shows that Sunday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 219. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around C$ 457. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

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

Our most recent data shows that the best time of day to fly to Seattle is at noon. Flights from San Francisco to Seattle during this time can be as low as C$ 0. Flights in the afternoon are often more expensive with an average ticket price of C$ 404.

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

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

How far in advance should I book a flight to Seattle?

We recommend purchasing flights from San Francisco to Seattle 22 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Seattle for C$ 355. However, in the past 72 hours, people saw flights from San Francisco for as low as C$ 383.

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

There are 4 cabin classes available to choose from on San Francisco to Seattle/Tacoma Intl 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 San Francisco to Seattle flights?

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

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

As of December 2024, prices for San Francisco to Seattle flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Seattle

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

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

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

Best price found

C$ 99

Fastest flight time

2h 14m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Seattle

1 airport
The best one-way flight to Seattle from San Francisco in the past 72 hours is C$ 99. The best round-trip flight deal from San Francisco to Seattle found on momondo in the last 72 hours is C$ 152.
The fastest flight from San Francisco to Seattle takes 2h 14m
Direct flights go from San Francisco to Seattle on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Delta and Alaska Airlines.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • Is flying the fastest way to get from San Francisco to Seattle?

    The quickest way is to book a flight from San Francisco to Seattle, which can be as quick as 2h 14m onboard Alaska Airlines. You can also get a train from San Francisco to Seattle, or a bus from San Francisco to Seattle which can take you longer to arrive at your destination.

  • Is flying the cheapest way to get from San Francisco to Seattle?

    Planning to book a flight from San Francisco to Seattle can be a safe bet when looking for a low-cost deal to your destination. Currently, a train and a bus are priced higher than the cost of a flight. You can search prices for a train from San Francisco starting at C$ 318 to Seattle or a bus from San Francisco to Seattle starting at C$ 322 if that is your preferred method of transportation.

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

    San Francisco and Seattle/Tacoma Intl are 1091.5 km apart from one another. In terms of flight time, this usually takes a little over 2h 14m.

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

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

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

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

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from San Francisco to Seattle

Compare and see reviews for airlines that fly from San Francisco to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom C$ 196Free CancellationRating
8.0
9,537 reviews
Search Alaska Airlines flights
  • Alaska Airlines Flights From San Francisco to Seattle

    The lowest priced Alaska Airlines flight from San Francisco to Seattle from the last 72 hours was C$ 136. Generally, Alaska Airlines has 10 flights on this route every week with an average price of C$ 218. Alaska Airlines is rated 8.0/10 by our users.


Why use momondo?

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

It is quick and easy to find San Francisco to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

All flight searches from San Francisco to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Seattle.

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

If you are not ready to book a flight from San Francisco to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.


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