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Cheap flights from San Francisco to Seattle from C$ 96

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 26/11. 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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Cheap round-trip flights

Southwest Logo
3:50 p.m. - 11:00 p.m.SFO-SEA
7h 10m1 stop
Southwest Logo
5:00 a.m. - 11:50 a.m.SEA-SFO
6h 50m1 stop
C$ 191Southwest
Find Deal
mar., 21 oct. - sáb., 25 oct.
Southwest Logo
2:05 p.m. - 10:45 p.m.SFO-SEA
8h 40m2 stops
Southwest Logo
9:55 a.m. - 6:00 p.m.SEA-SFO
8h 05m2 stops
C$ 193Southwest
Find Deal
mié., 29 oct. - jue., 30 oct.
Southwest Logo
4:10 p.m. - 12:50 a.m.SFO-SEA
8h 40m1 stop
Southwest Logo
5:50 a.m. - 3:00 p.m.SEA-SFO
9h 10m1 stop
C$ 194Southwest
Find Deal
jue., 2 oct. - mar., 7 oct.
United Airlines Logo
10:40 p.m. - 12:59 a.m.SFO-SEA
2h 19mdirect
United Airlines Logo
7:37 p.m. - 9:50 p.m.SEA-SFO
2h 13mdirect
C$ 195United Airlines
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mié., 1 oct. - jue., 2 oct.
Delta Logo
8:58 p.m. - 11:15 p.m.SFO-SEA
2h 17mdirect
Delta Logo
7:20 a.m. - 9:48 a.m.SEA-SFO
2h 28mdirect
C$ 197Delta
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mar., 30 sep. - jue., 2 oct.
Southwest Logo
7:00 a.m. - 2:10 p.m.SFO-SEA
7h 10m2 stops
Southwest Logo
9:55 a.m. - 7:50 p.m.SEA-SFO
9h 55m2 stops
C$ 198Southwest
Find Deal
mar., 30 sep. - mié., 1 oct.
Alaska Airlines Logo
8:00 a.m. - 2:26 p.m.SFO-SEA
6h 26m1 stop
Alaska Airlines Logo
8:15 p.m. - 10:29 p.m.SEA-SFO
2h 14mdirect
C$ 204Alaska Airlines
Find Deal
vie., 3 oct. - sáb., 4 oct.
Alaska Airlines Logo
8:20 a.m. - 10:34 a.m.SFO-SEA
2h 14mdirect
Alaska Airlines Logo
7:00 a.m. - 9:16 a.m.SEA-SFO
2h 16mdirect
C$ 206Alaska Airlines
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jue., 16 oct. - lun., 20 oct.
United Airlines Logo
2:41 p.m. - 4:52 p.m.SFO-SEA
2h 11mdirect
United Airlines Logo
7:05 a.m. - 9:29 a.m.SEA-SFO
2h 24mdirect
C$ 212United Airlines
Find Deal
mar., 23 dic. - mié., 31 dic.
Delta Logo
6:12 a.m. - 8:35 a.m.SFO-SEA
2h 23mdirect
Delta Logo
7:13 a.m. - 9:33 a.m.SEA-SFO
2h 20mdirect
C$ 231Delta
Find Deal
jue., 25 dic. - lun., 29 dic.

United Airlines flights from San Francisco to Seattle

Our best United Airlines deals on San Francisco to Seattle flight tickets
United Airlines
1 Oct
SFO10:40 p.m.San Francisco
2h 19m
SEA12:59 a.m.Seattle/Tacoma Intl
2 Oct
SEA7:37 p.m.Seattle/Tacoma Intl
2h 13m
SFO9:50 p.m.San Francisco
C$ 195
Find similar
United Airlines
23 Dec
SFO2:41 p.m.San Francisco
2h 11m
SEA4:52 p.m.Seattle/Tacoma Intl
31 Dec
SEA7:05 a.m.Seattle/Tacoma Intl
2h 24m
SFO9:29 a.m.San Francisco
C$ 212
Find similar
United Airlines
22 Dec
SFO6:00 a.m.San Francisco
2h 23m
SEA8:23 a.m.Seattle/Tacoma Intl
31 Dec
SEA1:35 p.m.Seattle/Tacoma Intl
2h 17m
SFO3:52 p.m.San Francisco
C$ 220
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Delta flights from San Francisco to Seattle

Our best Delta deals on San Francisco to Seattle flight tickets
Delta
30 Sep
SFO8:58 p.m.San Francisco
2h 17m
SEA11:15 p.m.Seattle/Tacoma Intl
2 Oct
SEA7:20 a.m.Seattle/Tacoma Intl
2h 28m
SFO9:48 a.m.San Francisco
C$ 197
Find similar
Delta
25 Dec
SFO6:12 a.m.San Francisco
2h 23m
SEA8:35 a.m.Seattle/Tacoma Intl
29 Dec
SEA7:13 a.m.Seattle/Tacoma Intl
2h 20m
SFO9:33 a.m.San Francisco
C$ 231
Find similar
Delta
25 Sep
SFO5:55 a.m.San Francisco
2h 16m
SEA8:11 a.m.Seattle/Tacoma Intl
1 Oct
SEA7:20 a.m.Seattle/Tacoma Intl
2h 28m
SFO9:48 a.m.San Francisco
C$ 238
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momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 11 septiembre 2025.
Use the filters below to find and compare flights from San Francisco to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

mar. 21/10

3:50 p.m.-11:00 p.m.

1 stop7h 10m

Seattle/Tacoma Intl

sáb. 25/10

5:00 a.m.-11:50 a.m.

1 stop6h 50m

C$ 191

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

mié. 29/10

2:05 p.m.-10:45 p.m.

2 stops8h 40m

Seattle/Tacoma Intl

jue. 30/10

9:55 a.m.-6:00 p.m.

2 stops8h 05m

C$ 193

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

jue. 2/10

4:10 p.m.-12:50 a.m.

1 stop8h 40m

Seattle/Tacoma Intl

mar. 7/10

5:50 a.m.-3:00 p.m.

1 stop9h 10m

C$ 194

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

mié. 1/10

10:40 p.m.-12:59 a.m.

Nonstop2h 19m

Seattle/Tacoma Intl

jue. 2/10

7:37 p.m.-9:50 p.m.

Nonstop2h 13m

C$ 195

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

mar. 30/9

8:58 p.m.-11:15 p.m.

Nonstop2h 17m

Seattle/Tacoma Intl

jue. 2/10

7:20 a.m.-9:48 a.m.

Nonstop2h 28m

C$ 197

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

mar. 30/9

7:00 a.m.-2:10 p.m.

2 stops7h 10m

Seattle/Tacoma Intl

mié. 1/10

9:55 a.m.-7:50 p.m.

2 stops9h 55m

C$ 198

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

vie. 3/10

8:00 a.m.-2:26 p.m.

1 stop6h 26m

Seattle/Tacoma Intl

sáb. 4/10

8:15 p.m.-10:29 p.m.

Nonstop2h 14m

C$ 204

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

jue. 16/10

8:20 a.m.-10:34 a.m.

Nonstop2h 14m

Seattle/Tacoma Intl

lun. 20/10

7:00 a.m.-9:16 a.m.

Nonstop2h 16m

C$ 206

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

mar. 23/12

2:41 p.m.-4:52 p.m.

Nonstop2h 11m

Seattle/Tacoma Intl

mié. 31/12

7:05 a.m.-9:29 a.m.

Nonstop2h 24m

C$ 212

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

jue. 25/12

6:12 a.m.-8:35 a.m.

Nonstop2h 23m

Seattle/Tacoma Intl

lun. 29/12

7:13 a.m.-9:33 a.m.

Nonstop2h 20m

C$ 231

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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$ 277.

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

Our data shows that Tuesday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 203. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 584. 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$ 185. Flights in the afternoon are often more expensive with an average ticket price of C$ 561.

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?

You are more likely to see cheaper flights to Seattle from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 329 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from San Francisco for as low as C$ 208 on momondo.

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?

No. A direct flight is the cheapest option for a flight between San Francisco to Seattle.

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

As of September 2025, prices for San Francisco to Seattle flights are approximately 13% cheaper 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

Fastest flight time

2h 07m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from San Francisco to Seattle takes 2h 07m
Direct flights go from San Francisco to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
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  • 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 07m.

  • 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$ 154Free CancellationRating
8.0
10,000 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$ 111. Generally, Alaska Airlines has 12 flights on this route every week with an average price of C$ 216. Alaska Airlines is rated 8.0/10 by our users.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Lynnwood
Marysville
Tacoma
SeaTac
Kirkland
Redmond
Olympia
Ocean Shores
Shoreline
Ellensburg
Tukwila
Gig Harbor
Renton
Mukilteo
Cle Elum
Poulsbo
Puyallup
Federal Way
Kent

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.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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