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Cheap flights from Seattle to San Francisco from $104

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 29/10. 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 return flights

Enter your travel dates to find the best prices.
Delta Logo
07:25 - 09:55SEA-SFO
2h 30mdirect
Delta Logo
17:00 - 23:20SFO-SEA
6h 20m1 stop
$192Delta
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Thu, 6 Nov - Tue, 11 Nov
Delta Logo
07:10 - 14:33SEA-SFO
7h 23m1 stop
Delta Logo
16:37 - 19:00SFO-SEA
2h 23mdirect
$194Delta
Find Deal
Thu, 6 Nov - Mon, 10 Nov
Alaska Airlines Logo
15:46 - 18:01SEA-SFO
2h 15mdirect
Alaska Airlines Logo
21:47 - 00:08SFO-SEA
2h 21mdirect
$198Alaska Airlines
Find Deal
Sat, 25 Oct - Sat, 25 Oct
United Airlines Logo
14:40 - 16:54SEA-SFO
2h 14mdirect
United Airlines Logo
22:44 - 00:59SFO-SEA
2h 15mdirect
$207United Airlines
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Thu, 30 Oct - Sat, 1 Nov
Delta Logo
12:45 - 17:45SEA-SFO
5h 00m1 stop
Delta Logo
19:11 - 00:11SFO-SEA
5h 00m1 stop
$209Delta
Find Deal
Thu, 6 Nov - Mon, 10 Nov
Alaska Airlines Logo
11:20 - 16:03SEA-SFO
4h 43m1 stop
Alaska Airlines Logo
18:20 - 20:35SFO-SEA
2h 15mdirect
$214Alaska Airlines
Find Deal
Sat, 25 Oct - Sat, 25 Oct
Delta Logo
07:25 - 09:55SEA-SFO
2h 30mdirect
Delta Logo
17:30 - 22:22SFO-SEA
4h 52m1 stop
$223Delta
Find Deal
Thu, 30 Oct - Sat, 1 Nov
Southwest Logo
16:40 - 21:50SEA-SFO
5h 10m1 stop
Southwest Logo
10:40 - 18:05SFO-SEA
7h 25m1 stop
$233Southwest
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Wed, 29 Oct - Sun, 2 Nov
Southwest Logo
09:10 - 18:50SEA-SFO
9h 40m2 stops
Southwest Logo
14:05 - 22:55SFO-SEA
8h 50m1 stop
$236Southwest
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Sat, 15 Nov - Tue, 16 Dec
United Airlines Logo
14:40 - 16:54SEA-SFO
2h 14mdirect
United Airlines Logo
22:44 - 00:59SFO-SEA
2h 15mdirect
$259United Airlines
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Fri, 7 Nov - Sun, 9 Nov

Delta flights from Seattle to San Francisco

Our best Delta deals on Seattle to San Francisco flight tickets
Delta
6 Nov
SEA10:25Seattle/Tacoma Intl
2h 18m
SFO12:43San Francisco
10 Nov
SFO18:43San Francisco
5h 13m
1 stop
SEA23:56Seattle/Tacoma Intl
$192
Find similar
Delta
6 Nov
SEA12:45Seattle/Tacoma Intl
5h 00m
1 stop
SFO17:45San Francisco
10 Nov
SFO16:37San Francisco
2h 23m
SEA19:00Seattle/Tacoma Intl
$194
Find similar
Delta
6 Nov
SEA12:45Seattle/Tacoma Intl
5h 00m
1 stop
SFO17:45San Francisco
10 Nov
SFO19:11San Francisco
5h 00m
1 stop
SEA00:11Seattle/Tacoma Intl
$209
Find similar

Alaska Airlines flights from Seattle to San Francisco

Our best Alaska Airlines deals on Seattle to San Francisco flight tickets
Alaska Airlines
25 Oct
SEA15:46Seattle/Tacoma Intl
2h 15m
SFO18:01San Francisco
25 Oct
SFO21:47San Francisco
2h 21m
SEA00:08Seattle/Tacoma Intl
$198
Find similar
Alaska Airlines
25 Oct
SEA11:20Seattle/Tacoma Intl
4h 43m
1 stop
SFO16:03San Francisco
25 Oct
SFO18:20San Francisco
2h 15m
SEA20:35Seattle/Tacoma Intl
$214
Find similar
Alaska Airlines
17 Nov
SEA11:35Seattle/Tacoma Intl
5h 47m
1 stop
SFO17:22San Francisco
17 Nov
SFO20:43San Francisco
2h 23m
SEA23:06Seattle/Tacoma Intl
$229
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to San Francisco 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 78,305 searches. Data last updated 4 October 2025.
Use the filters below to find and compare flights from Seattle to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 6/11

07:25-09:55

Nonstop2h 30m

San Francisco

Tue 11/11

17:00-23:20

1 stop6h 20m

$192

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 6/11

07:10-14:33

1 stop7h 23m

San Francisco

Mon 10/11

16:37-19:00

Nonstop2h 23m

$194

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 25/10

15:46-18:01

Nonstop2h 15m

San Francisco

Sat 25/10

21:47-00:08

Nonstop2h 21m

$198

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 30/10

14:40-16:54

Nonstop2h 14m

San Francisco

Sat 1/11

22:44-00:59

Nonstop2h 15m

$207

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 6/11

12:45-17:45

1 stop5h 00m

San Francisco

Mon 10/11

19:11-00:11

1 stop5h 00m

$209

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 25/10

11:20-16:03

1 stop4h 43m

San Francisco

Sat 25/10

18:20-20:35

Nonstop2h 15m

$214

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 30/10

07:25-09:55

Nonstop2h 30m

San Francisco

Sat 1/11

17:30-22:22

1 stop4h 52m

$223

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 29/10

16:40-21:50

1 stop5h 10m

San Francisco

Sun 2/11

10:40-18:05

1 stop7h 25m

$233

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 15/11

09:10-18:50

2 stops9h 40m

San Francisco

Tue 16/12

14:05-22:55

1 stop8h 50m

$236

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 7/11

14:40-16:54

Nonstop2h 14m

San Francisco

Sun 9/11

22:44-00:59

Nonstop2h 15m

$259

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Seattle and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel during the month of January, then book flights to San Francisco from Seattle during February instead. Flights to San Francisco in February, while not as cheap as those in January, still average around $327.

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

According to our data, Saturday is the cheapest day to fly to San Francisco from Seattle. The lowest ticket price found for a Saturday departure recently was $1,513. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to San Francisco for around $1,921.

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

According to our data, the cheapest time of day to fly to San Francisco is in the morning. momondo users have found flights departing from Seattle to San Francisco in the morning for as low as $290. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,873 on average. Flights to San Francisco from Seattle in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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?

You are more likely to see cheaper flights to San Francisco from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $357 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Seattle for as low as $230 on momondo.

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

There are 4 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.

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

As of October 2025, prices for Seattle to San Francisco flights are approximately 12% cheaper 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

Fastest flight time

2h 08m

Direct flights

Every day

Airports in San Francisco

1 airport
The fastest flight from Seattle to San Francisco takes 2h 08m
Direct flights go from Seattle to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

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

    Seattle/Tacoma Intl and San Francisco are 1091.5 km apart from one another. A reasonable flight in good conditions will take 2h 08m.

  • 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 refresh daily.

  • 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 stopovers. 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 you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Walnut Creek
Carmel-by-the-Sea
Redwood City
Sausalito
Watsonville
Emeryville
San Mateo
Pacifica
Mountain View
Burlingame
Salinas
Pacific Grove
Pebble Beach
San Lorenzo

Why use momondo?

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

Finding the right flight to San Francisco from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

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

Yes. All flights to San Francisco from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Seattle and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to San Francisco from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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