How many flights depart from Seattle to San Francisco on average per day?

The number of flights available between Seattle and San Francisco is 53 per day as of September 2026. The most frequent departure time is 17:00, with 41% of daily flights leaving in the afternoon.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

How often are flights from Seattle to San Francisco delayed?

Historically, on average around 31% of flights between Seattle and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 125 minutes.

How many flights depart from Seattle to San Francisco on average per week?

373 flights are operational weekly from Seattle to San Francisco as of September 2026. The most popular departure day for this route is Fri, with 26% of flights per week taking off on this day.

What is the most punctual flight time for Seattle to San Francisco flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on Seattle to San Francisco flights?

According to our data, Delta have had the fewest delays on this route over the last 12 months, with about 28% of their flights experiencing any sort of delay.

What is the cheapest airline that flies from Seattle/Tacoma Intl to San Francisco?

United Airlines, Southwest, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to San Francisco

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 refreshed on a daily basis.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

R1 291 Cheap Flights from Seattle to San Francisco in 2026/27

Find the cheapest flights from Seattle to San Francisco

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

13:55 - 16:08SEA Seattle/Tacoma Intl-SFO San Francisco

2h 13mdirect

19:11 - 21:25SFO San Francisco-SEA Seattle/Tacoma Intl

2h 14mdirect

R2 467Alaska Airlines

Sat, Oct 24 - Sat, Oct 24

11:54 - 14:23SEA Seattle/Tacoma Intl-SFO San Francisco

2h 29mdirect

16:21 - 18:33SFO San Francisco-SEA Seattle/Tacoma Intl

2h 12mdirect

R2 484Alaska Airlines

Tue, Oct 20 - Tue, Oct 20

14:45 - 17:05SEA Seattle/Tacoma Intl-SFO San Francisco

2h 20mdirect

10:35 - 12:57SFO San Francisco-SEA Seattle/Tacoma Intl

2h 22mdirect

R2 549Delta

Tue, Oct 27 - Sat, Oct 31

20:36 - 22:49SEA Seattle/Tacoma Intl-SFO San Francisco

2h 13mdirect

6:07 - 8:20SFO San Francisco-SEA Seattle/Tacoma Intl

2h 13mdirect

R2 566Alaska Airlines

Tue, Oct 20 - Tue, Oct 27

7:16 - 9:38SEA Seattle/Tacoma Intl-SFO San Francisco

2h 22mdirect

20:58 - 23:13SFO San Francisco-SEA Seattle/Tacoma Intl

2h 15mdirect

R2 582Delta

Thu, Oct 15 - Mon, Oct 19

7:16 - 9:38SEA Seattle/Tacoma Intl-SFO San Francisco

2h 22mdirect

6:20 - 8:41SFO San Francisco-SEA Seattle/Tacoma Intl

2h 21mdirect

R2 598Delta

Thu, Oct 15 - Mon, Oct 19

5:25 - 12:15SEA Seattle/Tacoma Intl-SFO San Francisco

6h 50m1 stop Phoenix Sky Harbor Intl

5:10 - 10:25SFO San Francisco-SEA Seattle/Tacoma Intl

5h 15m1 stop Las Vegas Harry Reid Intl

R2 811Southwest

Sat, Oct 24 - Sat, Oct 31

12:40 - 21:15SEA Seattle/Tacoma Intl-SFO San Francisco

8h 35m1 stop Denver Intl

5:20 - 11:25SFO San Francisco-SEA Seattle/Tacoma Intl

6h 05m1 stop Phoenix Sky Harbor Intl

R2 892Southwest

Sat, Oct 24 - Tue, Oct 27

5:25 - 14:35SEA Seattle/Tacoma Intl-SFO San Francisco

9h 10m2 stops Phoenix Sky Harbor Intl San Diego

5:10 - 10:25SFO San Francisco-SEA Seattle/Tacoma Intl

5h 15m1 stop Las Vegas Harry Reid Intl

R2 909Southwest

Sat, Oct 24 - Sat, Oct 31

13:25 - 22:20SEA Seattle/Tacoma Intl-SFO San Francisco

8h 55m1 stop Denver Intl

12:15 - 21:45SFO San Francisco-SEA Seattle/Tacoma Intl

9h 30m2 stops Los Angeles Oakland

R2 974Southwest

Tue, Oct 20 - Tue, Oct 27

Cheap last-minute flights

Enter your travel dates to find the best prices.

20:30 - 22:45SEA Seattle/Tacoma Intl-SFO San Francisco

2h 15mdirect

6:07 - 8:20SFO San Francisco-SEA Seattle/Tacoma Intl

2h 13mdirect

R6 128Alaska Airlines

Thu, Oct 1 - Sat, Oct 31

6:15 - 13:35SEA Seattle/Tacoma Intl-SFO San Francisco

7h 20m1 stop Las Vegas Harry Reid Intl

11:05 - 19:50SFO San Francisco-SEA Seattle/Tacoma Intl

8h 45m1 stop San Diego

R6 455Southwest

Fri, Oct 2 - Wed, Oct 14

18:50 - 0:35SEA Seattle/Tacoma Intl-SFO San Francisco

5h 45m1 stop Phoenix Sky Harbor Intl

6:45 - 13:35SFO San Francisco-SEA Seattle/Tacoma Intl

6h 50m2 stops Los Angeles Sacramento Intl

R6 536Southwest

Fri, Oct 2 - Tue, Oct 27

5:30 - 13:05SEA Seattle/Tacoma Intl-SFO San Francisco

7h 35m2 stops Sacramento Intl San Diego

12:15 - 21:45SFO San Francisco-SEA Seattle/Tacoma Intl

9h 30m2 stops Los Angeles Oakland

R6 634Southwest

Fri, Oct 2 - Wed, Oct 14

9:57 - 16:17SEA Seattle/Tacoma Intl-SFO San Francisco

6h 20m1 stop Los Angeles

11:00 - 13:16SFO San Francisco-SEA Seattle/Tacoma Intl

2h 16mdirect

R7 059Alaska Airlines

Thu, Oct 1 - Sat, Oct 31

7:05 - 15:05SEA Seattle/Tacoma Intl-SFO San Francisco

8h 00m2 stops Oakland San Diego

5:10 - 19:00SFO San Francisco-SEA Seattle/Tacoma Intl

13h 50m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

R7 958Southwest

Sun, Sep 27 - Sat, Oct 31

7:15 - 9:34SEA Seattle/Tacoma Intl-SFO San Francisco

2h 19mdirect

6:20 - 8:41SFO San Francisco-SEA Seattle/Tacoma Intl

2h 21mdirect

R8 089Delta

Fri, Oct 2 - Fri, Oct 9

15:55 - 23:15SEA Seattle/Tacoma Intl-SFO San Francisco

7h 20m2 stops Sacramento Intl Las Vegas Harry Reid Intl

11:30 - 20:05SFO San Francisco-SEA Seattle/Tacoma Intl

8h 35m2 stops Los Angeles Sacramento Intl

R8 138Southwest

Fri, Oct 2 - Mon, Oct 12

7:40 - 14:55SEA Seattle/Tacoma Intl-SFO San Francisco

7h 15m1 stop San Diego

15:50 - 0:15SFO San Francisco-SEA Seattle/Tacoma Intl

8h 25m2 stops Los Angeles Sacramento Intl

R8 497Southwest

Thu, Oct 1 - Sun, Oct 11

15:55 - 23:15SEA Seattle/Tacoma Intl-SFO San Francisco

7h 20m2 stops Sacramento Intl Las Vegas Harry Reid Intl

11:30 - 20:05SFO San Francisco-SEA Seattle/Tacoma Intl

8h 35m2 stops Los Angeles Sacramento Intl

R8 595Southwest

Fri, Oct 2 - Mon, Oct 12

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Alaska Airlines flights from Seattle to San Francisco

Our best Alaska Airlines deals on Seattle to San Francisco flight tickets

Alaska Airlines

Oct 24

SEA13:55Seattle/Tacoma Intl

2h 13m

SFO16:08San Francisco

Oct 24

SFO19:11San Francisco

2h 14m

SEA21:25Seattle/Tacoma Intl

R2 467

Alaska Airlines

Oct 20

SEA11:54Seattle/Tacoma Intl

2h 29m

SFO14:23San Francisco

Oct 20

SFO16:21San Francisco

2h 12m

SEA18:33Seattle/Tacoma Intl

R2 484

Alaska Airlines

Oct 20

SEA19:36Seattle/Tacoma Intl

2h 13m

SFO21:49San Francisco

Oct 27

SFO11:00San Francisco

2h 16m

SEA13:16Seattle/Tacoma Intl

R2 566

Delta flights from Seattle to San Francisco

Our best Delta deals on Seattle to San Francisco flight tickets

Delta

Oct 27

SEA14:45Seattle/Tacoma Intl

2h 20m

SFO17:05San Francisco

Oct 31

SFO10:35San Francisco

2h 22m

SEA12:57Seattle/Tacoma Intl

R2 549

Delta

Oct 15

SEA7:16Seattle/Tacoma Intl

2h 22m

SFO9:38San Francisco

Oct 19

SFO20:58San Francisco

2h 15m

SEA23:13Seattle/Tacoma Intl

R2 582

Delta

Oct 15

SEA7:16Seattle/Tacoma Intl

2h 22m

SFO9:38San Francisco

Oct 19

SFO6:20San Francisco

2h 21m

SEA8:41Seattle/Tacoma Intl

R2 598

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Sat 24/10

13:55-16:08

Nonstop2h 13m

San Francisco

Sat 24/10

19:11-21:25

Nonstop2h 14m

R2 467

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Tue 20/10

11:54-14:23

Nonstop2h 29m

San Francisco

Tue 20/10

16:21-18:33

Nonstop2h 12m

R2 484

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Tue 27/10

14:45-17:05

Nonstop2h 20m

San Francisco

Sat 31/10

10:35-12:57

Nonstop2h 22m

R2 549

Fastest return journey

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Tue 20/10

20:36-22:49

Nonstop2h 13m

San Francisco

Tue 27/10

6:07-8:20

Nonstop2h 13m

R2 566

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Thu 15/10

7:16-9:38

Nonstop2h 22m

San Francisco

Mon 19/10

20:58-23:13

Nonstop2h 15m

R2 582

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Thu 15/10

7:16-9:38

Nonstop2h 22m

San Francisco

Mon 19/10

6:20-8:41

Nonstop2h 21m

R2 598

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Sat 24/10

5:25-12:15

1 stop6h 50m

San Francisco

Sat 31/10

5:10-10:25

1 stop5h 15m

R2 811

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Sat 24/10

12:40-21:15

1 stop8h 35m

San Francisco

Tue 27/10

5:20-11:25

1 stop6h 05m

R2 892

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Sat 24/10

5:25-14:35

2 stops9h 10m

San Francisco

Sat 31/10

5:10-10:25

1 stop5h 15m

R2 909

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Tue 20/10

13:25-22:20

1 stop8h 55m

San Francisco

Tue 27/10

12:15-21:45

2 stops9h 30m

R2 974

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from R2 696 to R5 409.
The lowest price recently found on this route was R2 467.

What is the cheapest month to fly to San Francisco?

If you’re not able to fly to San Francisco in January, then October is your next best option. Flight prices from Seattle to San Francisco during October average around R3 824.

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 from Seattle 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 R4 487 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 R3 023 on momondo.

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

There is only 1 cabin class available to choose from on Seattle 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 September 2026, prices for Seattle to San Francisco flights are approximately 2% 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

Best price found	R1 291
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 R1 291. The best return flight deal from Seattle to San Francisco found on momondo in the last 72 hours is R2 467.

Direct flights go from Seattle to San Francisco every day.

There is 1 airport in San Francisco. From Seattle there are direct flights to San Francisco (SFO).

Search flight deals

Frequently asked questions about flying from Seattle to San Francisco

How far is Seattle/Tacoma Intl to San Francisco by plane?
There are 1092,6 km between Seattle/Tacoma Intl and San Francisco.
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 refreshed on a daily basis.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Seattle to San Francisco?
Based on momondo bookings for flights between Seattle and San Francisco, the leading plane model is Airbus A320-100/200, making up 17,36% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 16,76%, Boeing 737 MAX 8 with 11,35%, and Boeing 737 MAX 9 with 8,15%.

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Berkeley

Menlo Park

Redwood City

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to San Francisco . Millions of users trust and use momondo every year so you are in good hands.

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

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

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?

Yes momondo offers price alerts on flights to San Francisco from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.