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

As of January 2026, there are 55 flights per day flying from Seattle to San Francisco. The most common time of day flights depart is 15:00, with 41% of flights taking off at midday.

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.

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

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

How often are flights from Seattle to San Francisco delayed?

Historically, on average around 20% 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 134 minutes.

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. Wednesday 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 week?

As of January 2026, there are 388 flights per week flying from Seattle to San Francisco. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

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

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

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.

$88 Cheap Flights from Seattle to San Francisco in 2026

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19:41 - 21:55

SEA

SFO

2h 14mdirect

13:45 - 16:04

SFO

SEA

2h 19mdirect

$164Hawaiian Airlines

Wed, 25 Feb - Wed, 4 Mar

15:45 - 17:59

SEA

SFO

2h 14mdirect

19:40 - 21:58

SFO

SEA

2h 18mdirect

$167Alaska Airlines

Sat, 31 Jan - Sat, 31 Jan

09:19 - 11:38

SEA

SFO

2h 19mdirect

21:18 - 23:30

SFO

SEA

2h 12mdirect

$174United Airlines

Fri, 20 Feb - Mon, 23 Feb

16:45 - 19:00

SEA

SFO

2h 15mdirect

06:00 - 08:22

SFO

SEA

2h 22mdirect

$176Delta

Sat, 7 Feb - Sun, 8 Feb

08:15 - 10:37

SEA

SFO

2h 22mdirect

08:42 - 11:03

SFO

SEA

2h 21mdirect

$189Alaska Airlines

Wed, 11 Mar - Tue, 17 Mar

09:25 - 11:43

SEA

SFO

2h 18mdirect

22:39 - 00:56

SFO

SEA

2h 17mdirect

$191United Airlines

Thu, 5 Feb - Mon, 9 Feb

12:35 - 14:53

SEA

SFO

2h 18mdirect

16:10 - 18:27

SFO

SEA

2h 17mdirect

$192United Airlines

Fri, 6 Feb - Sun, 8 Feb

07:15 - 09:35

SEA

SFO

2h 20mdirect

13:35 - 20:36

SFO

SEA

7h 01m

1 stop

$197Delta

Thu, 5 Feb - Thu, 5 Feb

20:30 - 22:41

SEA

SFO

2h 11mdirect

20:10 - 22:25

SFO

SEA

2h 15mdirect

$204Delta

Fri, 27 Feb - Fri, 6 Mar

07:15 - 09:35

SEA

SFO

2h 20mdirect

06:00 - 08:22

SFO

SEA

2h 22mdirect

$206Delta

Sat, 7 Feb - Sun, 8 Feb

Delta flights from Seattle to San Francisco

Our best Delta deals on Seattle to San Francisco flight tickets

Delta

7 Feb

SEA16:45Seattle/Tacoma Intl

2h 15m

SFO19:00San Francisco

8 Feb

SFO06:00San Francisco

2h 22m

SEA08:22Seattle/Tacoma Intl

$176

Delta

5 Feb

SEA07:15Seattle/Tacoma Intl

2h 20m

SFO09:35San Francisco

5 Feb

SFO13:35San Francisco

7h 01m

1 stop

SEA20:36Seattle/Tacoma Intl

$197

Delta

27 Feb

SEA20:30Seattle/Tacoma Intl

2h 11m

SFO22:41San Francisco

6 Mar

SFO20:10San Francisco

2h 15m

SEA22:25Seattle/Tacoma Intl

$204

Southwest flights from Seattle to San Francisco

Our best Southwest deals on Seattle to San Francisco flight tickets

Southwest

3 Feb

SEA05:15Seattle/Tacoma Intl

6h 35m

1 stop

SFO11:50San Francisco

4 Feb

SFO05:30San Francisco

6h 50m

1 stop

SEA12:20Seattle/Tacoma Intl

$225

Southwest

3 Feb

SEA06:05Seattle/Tacoma Intl

8h 15m

2 stops

SFO14:20San Francisco

4 Feb

SFO15:00San Francisco

7h 35m

1 stop

SEA22:35Seattle/Tacoma Intl

$233

Southwest

16 Mar

SEA14:40Seattle/Tacoma Intl

6h 50m

1 stop

SFO21:30San Francisco

2 Apr

SFO06:00San Francisco

8h 00m

1 stop

SEA14:00Seattle/Tacoma Intl

$252

Fly from

Fly to

Route

Depart

Return

Price

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 25/2

19:41-21:55

Nonstop2h 14m

San Francisco

Wed 4/3

13:45-16:04

Nonstop2h 19m

$164

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 31/1

15:45-17:59

Nonstop2h 14m

San Francisco

Sat 31/1

19:40-21:58

Nonstop2h 18m

$167

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 20/2

09:19-11:38

Nonstop2h 19m

San Francisco

Mon 23/2

21:18-23:30

Nonstop2h 12m

$174

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 7/2

16:45-19:00

Nonstop2h 15m

San Francisco

Sun 8/2

06:00-08:22

Nonstop2h 22m

$176

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 11/3

08:15-10:37

Nonstop2h 22m

San Francisco

Tue 17/3

08:42-11:03

Nonstop2h 21m

$189

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 5/2

09:25-11:43

Nonstop2h 18m

San Francisco

Mon 9/2

22:39-00:56

Nonstop2h 17m

$191

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 6/2

12:35-14:53

Nonstop2h 18m

San Francisco

Sun 8/2

16:10-18:27

Nonstop2h 17m

$192

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 5/2

07:15-09:35

Nonstop2h 20m

San Francisco

Thu 5/2

13:35-20:36

1 stop7h 01m

$197

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 27/2

20:30-22:41

Nonstop2h 11m

San Francisco

Fri 6/3

20:10-22:25

Nonstop2h 15m

$204

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 7/2

07:15-09:35

Nonstop2h 20m

San Francisco

Sun 8/2

06:00-08:22

Nonstop2h 22m

$206

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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 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 $331.

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

According to our data, Wednesday is the cheapest day to fly to San Francisco from Seattle. The lowest ticket price found for a Wednesday departure recently was $1,508. 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 $2,308.

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 $286. 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 $1,868 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 $348 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 $255 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 January 2026, prices for Seattle to San Francisco flights are approximately 0% more expensive 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	$88
Fastest flight time	2h 14m
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 $88. The best return flight deal from Seattle to San Francisco found on momondo in the last 72 hours is $1,508.

The fastest flight from Seattle to San Francisco takes 2h 14m

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

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 14m.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to San Francisco is Boeing 737-800 Passenger/BBJ2 (winglets) (13.64% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (13.52%), Boeing 737-800 (12.88%), and Airbus A320-100/200 (11.58%).

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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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Cheap flights from Seattle to San Francisco from $88

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 28/2. 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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How to get the cheapest flight ticket from Seattle to 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 $331.

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

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

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?

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 January 2026, prices for Seattle to San Francisco flights are approximately 0% more expensive when compared to flights at the same time last year.

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

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

How often are flights from Seattle to San Francisco delayed?

Historically, on average around 20% 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 134 minutes.

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.

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

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

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

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

As of January 2026, there are 55 flights per day flying from Seattle to San Francisco. The most common time of day flights depart is 15:00, with 41% of flights taking off at midday.

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

As of January 2026, there are 388 flights per week flying from Seattle to San Francisco. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

When to book flights from Seattle to San Francisco

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

Fastest flight time

Direct flights

Airports in San Francisco

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

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

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

What documentation or ID do you need to fly to San Francisco Airport?

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

Travelling to a place near San Francisco?

Why use momondo?

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

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

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

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

An easier way to manage your San Francisco trip

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California