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

311 flights are operational weekly from Seattle to San Francisco as of September 2026. The most popular departure day for this route is Mon, with 31% of flights per week taking off on this day.

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. Friday has historically seen more delays on average compared to the rest of the week.

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

The number of flights available between Seattle and San Francisco is 44 per day as of September 2026. The most frequent departure time is 17:00, with 43% of daily flights leaving in the afternoon.

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?

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

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.

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 126 minutes.

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 448 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.

9:59 - 12:26SEA Seattle/Tacoma Intl-SFO San Francisco

2h 27mdirect

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

2h 12mdirect

R2 782Alaska Airlines

Tue, Oct 20 - Tue, Oct 20

7:30 - 15:10SEA Seattle/Tacoma Intl-SFO San Francisco

7h 40m1 stop San Diego

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

5h 15m1 stop Las Vegas Harry Reid Intl

R2 798Southwest

Tue, Oct 27 - Sat, Oct 31

7:18 - 9:41SEA Seattle/Tacoma Intl-SFO San Francisco

2h 23mdirect

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

2h 15mdirect

R2 847Alaska Airlines

Thu, Nov 5 - Thu, Nov 5

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

2h 13mdirect

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

2h 13mdirect

R2 863Alaska Airlines

Tue, Oct 27 - 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 879Southwest

Sat, Oct 24 - Tue, Oct 27

12:05 - 21:25SEA Seattle/Tacoma Intl-SFO San Francisco

9h 20m2 stops Sacramento Intl San Diego

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

5h 15m1 stop Las Vegas Harry Reid Intl

R2 895Southwest

Tue, Oct 27 - Sat, Oct 31

21:36 - 23:52SEA Seattle/Tacoma Intl-SFO San Francisco

2h 16mdirect

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

2h 13mdirect

R2 912Alaska Airlines

Mon, Oct 19 - Thu, Oct 22

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

8h 35m1 stop Denver Intl

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

6h 50m2 stops Los Angeles Los Angeles Sacramento Intl

R2 960Southwest

Sat, Oct 24 - Tue, Oct 27

21:36 - 23:52SEA Seattle/Tacoma Intl-SFO San Francisco

2h 16mdirect

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

2h 13mdirect

R3 026Alaska Airlines

Thu, Oct 8 - Mon, Oct 12

11:40 - 19:55SEA Seattle/Tacoma Intl-SFO San Francisco

8h 15m2 stops Oakland San Diego

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

9h 30m2 stops Los Angeles Los Angeles Oakland

R3 042Southwest

Sat, Oct 24 - Tue, Oct 27

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:41 - 15:56SEA Seattle/Tacoma Intl-SFO San Francisco

2h 15mdirect

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

2h 13mdirect

R6 263Alaska Airlines

Sun, Sep 20 - Mon, Oct 5

10:55 - 13:15SEA Seattle/Tacoma Intl-SFO San Francisco

2h 20mdirect

22:45 - 1:15SFO San Francisco-SEA Seattle/Tacoma Intl

2h 30mdirect

R6 506United Airlines

Mon, Sep 21 - Fri, Oct 23

14:10 - 21:30SEA Seattle/Tacoma Intl-SFO San Francisco

7h 20m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

15:15 - 22:35SFO San Francisco-SEA Seattle/Tacoma Intl

7h 20m2 stops Los Angeles Los Angeles Oakland

R6 767Southwest

Mon, Sep 21 - Mon, Oct 19

21:30 - 23:51SEA Seattle/Tacoma Intl-SFO San Francisco

2h 21mdirect

6:23 - 8:40SFO San Francisco-SEA Seattle/Tacoma Intl

2h 17mdirect

R7 401Delta

Sun, Sep 20 - Sun, Oct 4

7:10 - 15:30SEA Seattle/Tacoma Intl-SFO San Francisco

8h 20m1 stop Los Angeles Los Angeles

10:22 - 15:57SFO San Francisco-SEA Seattle/Tacoma Intl

5h 35m1 stop Los Angeles Los Angeles

R7 873American Airlines

Tue, Sep 22 - Wed, Sep 23

9:15 - 16:30SEA Seattle/Tacoma Intl-SFO San Francisco

7h 15m2 stops Oakland San Diego

14:40 - 21:05SFO San Francisco-SEA Seattle/Tacoma Intl

6h 25m1 stop San Diego

R7 938Southwest

Mon, Sep 21 - Fri, Oct 23

14:10 - 21:45SEA Seattle/Tacoma Intl-SFO San Francisco

7h 35m2 stops Phoenix Sky Harbor Intl San Diego

9:55 - 21:00SFO San Francisco-SEA Seattle/Tacoma Intl

11h 05m2 stops Los Angeles Los Angeles Las Vegas Harry Reid Intl

R8 149Southwest

Mon, Sep 21 - Fri, Oct 23

10:55 - 13:13SEA Seattle/Tacoma Intl-SFO San Francisco

2h 18mdirect

14:15 - 16:30SFO San Francisco-SEA Seattle/Tacoma Intl

2h 15mdirect

R8 296Delta

Mon, Sep 21 - Mon, Sep 21

17:51 - 20:18SEA Seattle/Tacoma Intl-SFO San Francisco

2h 27mdirect

6:23 - 8:40SFO San Francisco-SEA Seattle/Tacoma Intl

2h 17mdirect

R8 393Delta

Mon, Sep 21 - Tue, Sep 22

21:30 - 23:51SEA Seattle/Tacoma Intl-SFO San Francisco

2h 21mdirect

20:59 - 23:14SFO San Francisco-SEA Seattle/Tacoma Intl

2h 15mdirect

R8 589Delta

Mon, Sep 21 - Wed, Sep 23

Cheap direct flights

Enter your travel dates to find the best prices.

9:59 - 12:26SEA Seattle/Tacoma Intl-SFO San Francisco

2h 27mdirect

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

2h 12mdirect

R2 782Alaska Airlines

Tue, Oct 20 - Tue, Oct 20

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 798Alaska Airlines

Sat, Oct 17 - Sat, Oct 17

7:18 - 9:41SEA Seattle/Tacoma Intl-SFO San Francisco

2h 23mdirect

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

2h 15mdirect

R2 847Alaska Airlines

Thu, Nov 5 - Thu, Nov 5

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

2h 13mdirect

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

2h 13mdirect

R2 863Alaska Airlines

Tue, Oct 27 - Sat, Oct 31

21:36 - 23:52SEA Seattle/Tacoma Intl-SFO San Francisco

2h 16mdirect

20:46 - 23:03SFO San Francisco-SEA Seattle/Tacoma Intl

2h 17mdirect

R2 879Alaska Airlines

Thu, Oct 15 - Mon, Oct 19

21:36 - 23:52SEA Seattle/Tacoma Intl-SFO San Francisco

2h 16mdirect

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

2h 13mdirect

R2 895Alaska Airlines

Thu, Oct 8 - Mon, Oct 12

21:36 - 23:52SEA Seattle/Tacoma Intl-SFO San Francisco

2h 16mdirect

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

2h 13mdirect

R2 912Alaska Airlines

Mon, Oct 19 - Thu, Oct 22

21:36 - 23:52SEA Seattle/Tacoma Intl-SFO San Francisco

2h 16mdirect

13:51 - 16:04SFO San Francisco-SEA Seattle/Tacoma Intl

2h 13mdirect

R3 026Alaska Airlines

Thu, Oct 8 - Wed, Oct 14

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

2h 29mdirect

12:13 - 14:28SFO San Francisco-SEA Seattle/Tacoma Intl

2h 15mdirect

R3 074Alaska Airlines

Tue, Oct 27 - Tue, Nov 3

19:25 - 21:47SEA Seattle/Tacoma Intl-SFO San Francisco

2h 22mdirect

21:07 - 23:26SFO San Francisco-SEA Seattle/Tacoma Intl

2h 19mdirect

R3 091United Airlines

Wed, Oct 7 - Thu, Oct 8

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United Airlines flights from Seattle to San Francisco

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

United Airlines

Oct 7

SEA19:25Seattle/Tacoma Intl

2h 22m

SFO21:47San Francisco

Oct 8

SFO21:07San Francisco

2h 19m

SEA23:26Seattle/Tacoma Intl

R3 091

United Airlines

Oct 9

SEA7:11Seattle/Tacoma Intl

2h 19m

SFO9:30San Francisco

Oct 15

SFO21:07San Francisco

2h 19m

SEA23:26Seattle/Tacoma Intl

R3 139

United Airlines

Oct 5

SEA7:11Seattle/Tacoma Intl

2h 19m

SFO9:30San Francisco

Oct 7

SFO12:03San Francisco

2h 14m

SEA14:17Seattle/Tacoma Intl

R3 188

Alaska Airlines flights from Seattle to San Francisco

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

Alaska Airlines

Oct 20

SEA9:59Seattle/Tacoma Intl

2h 27m

SFO12:26San Francisco

Oct 20

SFO16:21San Francisco

2h 12m

SEA18:33Seattle/Tacoma Intl

R2 782

Alaska Airlines

Nov 5

SEA7:18Seattle/Tacoma Intl

2h 23m

SFO9:41San Francisco

Nov 5

SFO20:58San Francisco

2h 15m

SEA23:13Seattle/Tacoma Intl

R2 847

Alaska Airlines

Oct 27

SEA13:55Seattle/Tacoma Intl

2h 13m

SFO16:08San Francisco

Oct 31

SFO6:07San Francisco

2h 13m

SEA8:20Seattle/Tacoma Intl

R2 863

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Tue 20/10

9:59-12:26

Nonstop2h 27m

San Francisco

Tue 20/10

16:21-18:33

Nonstop2h 12m

R2 782

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Tue 27/10

7:30-15:10

1 stop7h 40m

San Francisco

Sat 31/10

5:10-10:25

1 stop5h 15m

R2 798

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Thu 5/11

7:18-9:41

Nonstop2h 23m

San Francisco

Thu 5/11

20:58-23:13

Nonstop2h 15m

R2 847

Fastest return journey

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Tue 27/10

13:55-16:08

Nonstop2h 13m

San Francisco

Sat 31/10

6:07-8:20

Nonstop2h 13m

R2 863

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 879

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Tue 27/10

12:05-21:25

2 stops9h 20m

San Francisco

Sat 31/10

5:10-10:25

1 stop5h 15m

R2 895

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Mon 19/10

21:36-23:52

Nonstop2h 16m

San Francisco

Thu 22/10

6:07-8:20

Nonstop2h 13m

R2 912

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

6:45-13:35

2 stops6h 50m

R2 960

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Thu 8/10

21:36-23:52

Nonstop2h 16m

San Francisco

Mon 12/10

6:07-8:20

Nonstop2h 13m

R3 026

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Sat 24/10

11:40-19:55

2 stops8h 15m

San Francisco

Tue 27/10

12:15-21:45

2 stops9h 30m

R3 042

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 R3 156 to R5 970.
The lowest price recently found on this route was R2 782.

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 806.

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 481 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 058 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 448
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 448. The best return flight deal from Seattle to San Francisco found on momondo in the last 72 hours is R2 782.

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 17,80% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 16,70%, Boeing 737 MAX 8 with 11,51%, and Boeing 737 MAX 9 with 7,64%.

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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.