How often are flights from San Francisco to Seattle delayed?

Historically, on average around 15% of flights between San Francisco and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 133 minutes.

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

As of February 2026, 70 flights take off from San Francisco and land in Seattle each day. The most common flight departure time for this route is 18:00, with 42% of daily flights taking off in the afternoon.

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

According to our data, Delta have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

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

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

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

As of February 2026, 493 flights take off from San Francisco and land in Seattle each week. The most common flight departure day for this route is Sun, with 20% of weekly flights taking off on this day.

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

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

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

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

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

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl 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 Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$106 Cheap Flights from San Francisco to Seattle in 2026

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06:30 - 08:47

SFO

SEA

2h 17mdirect

11:40 - 14:02

SEA

SFO

2h 22mdirect

$204Alaska Airlines

Tue, 24 Feb - Tue, 24 Feb

10:20 - 12:38

SFO

SEA

2h 18mdirect

07:10 - 09:30

SEA

SFO

2h 20mdirect

$211Delta

Tue, 24 Feb - Sat, 28 Feb

05:55 - 08:13

SFO

SEA

2h 18mdirect

20:30 - 22:41

SEA

SFO

2h 11mdirect

$217Delta

Sat, 21 Feb - Mon, 23 Feb

05:55 - 08:13

SFO

SEA

2h 18mdirect

20:30 - 22:41

SEA

SFO

2h 11mdirect

$218Delta

Wed, 25 Feb - Mon, 2 Mar

09:00 - 14:41

SFO

SEA

5h 41m

1 stop

18:21 - 20:36

SEA

SFO

2h 15mdirect

$224Alaska Airlines

Tue, 24 Feb - Tue, 24 Feb

05:55 - 08:13

SFO

SEA

2h 18mdirect

13:35 - 15:51

SEA

SFO

2h 16mdirect

$225Delta

Fri, 27 Feb - Mon, 2 Mar

09:00 - 14:41

SFO

SEA

5h 41m

1 stop

08:15 - 10:37

SEA

SFO

2h 22mdirect

$232Alaska Airlines

Tue, 24 Feb - Wed, 4 Mar

14:35 - 23:05

SFO

SEA

8h 30m

1 stop

14:05 - 22:30

SEA

SFO

8h 25m

1 stop

$240Southwest

Wed, 25 Feb - Sat, 28 Feb

09:00 - 18:38

SFO

SEA

9h 38m

2 stops

20:41 - 22:56

SEA

SFO

2h 15mdirect

$245Alaska Airlines

Sat, 7 Mar - Sat, 7 Mar

05:30 - 12:20

SFO

SEA

6h 50m

1 stop

05:00 - 14:20

SEA

SFO

9h 20m

1 stop

$247Southwest

Sat, 28 Feb - Sun, 1 Mar

Delta flights from San Francisco to Seattle

Our best Delta deals on San Francisco to Seattle flight tickets

Delta

24 Feb

SFO10:20San Francisco

2h 18m

SEA12:38Seattle/Tacoma Intl

7 Mar

SEA11:35Seattle/Tacoma Intl

2h 13m

SFO13:48San Francisco

$211

Delta

21 Feb

SFO05:55San Francisco

2h 18m

SEA08:13Seattle/Tacoma Intl

23 Feb

SEA20:30Seattle/Tacoma Intl

2h 11m

SFO22:41San Francisco

$217

Delta

27 Feb

SFO05:55San Francisco

2h 18m

SEA08:13Seattle/Tacoma Intl

2 Mar

SEA20:30Seattle/Tacoma Intl

2h 11m

SFO22:41San Francisco

$225

Southwest flights from San Francisco to Seattle

Our best Southwest deals on San Francisco to Seattle flight tickets

Southwest

28 Feb

SFO05:30San Francisco

6h 50m

1 stop

SEA12:20Seattle/Tacoma Intl

1 Mar

SEA05:00Seattle/Tacoma Intl

9h 20m

1 stop

SFO14:20San Francisco

$247

Southwest

20 Apr

SFO17:40San Francisco

7h 15m

1 stop

SEA00:55Seattle/Tacoma Intl

24 Apr

SEA13:55Seattle/Tacoma Intl

9h 10m

1 stop

SFO23:05San Francisco

$254

Southwest

9 Apr

SFO06:00San Francisco

11h 20m

1 stop

SEA17:20Seattle/Tacoma Intl

15 Apr

SEA11:35Seattle/Tacoma Intl

8h 20m

2 stops

SFO19:55San Francisco

$263

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 24/2

06:30-08:47

Nonstop2h 17m

Seattle/Tacoma Intl

Tue 24/2

11:40-14:02

Nonstop2h 22m

$204

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 24/2

10:20-12:38

Nonstop2h 18m

Seattle/Tacoma Intl

Sat 28/2

07:10-09:30

Nonstop2h 20m

$211

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 21/2

05:55-08:13

Nonstop2h 18m

Seattle/Tacoma Intl

Mon 23/2

20:30-22:41

Nonstop2h 11m

$217

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 25/2

05:55-08:13

Nonstop2h 18m

Seattle/Tacoma Intl

Mon 2/3

20:30-22:41

Nonstop2h 11m

$218

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 24/2

09:00-14:41

1 stop5h 41m

Seattle/Tacoma Intl

Tue 24/2

18:21-20:36

Nonstop2h 15m

$224

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 27/2

05:55-08:13

Nonstop2h 18m

Seattle/Tacoma Intl

Mon 2/3

13:35-15:51

Nonstop2h 16m

$225

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 24/2

09:00-14:41

1 stop5h 41m

Seattle/Tacoma Intl

Wed 4/3

08:15-10:37

Nonstop2h 22m

$232

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 25/2

14:35-23:05

1 stop8h 30m

Seattle/Tacoma Intl

Sat 28/2

14:05-22:30

1 stop8h 25m

$240

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 7/3

09:00-18:38

2 stops9h 38m

Seattle/Tacoma Intl

Sat 7/3

20:41-22:56

Nonstop2h 15m

$245

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 28/2

05:30-12:20

1 stop6h 50m

Seattle/Tacoma Intl

Sun 1/3

05:00-14:20

1 stop9h 20m

$247

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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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Seattle?

The month of February is, on average, the cheapest month to fly to Seattle from San Francisco, with most prices found around $297. If you are unable to visit Seattle during the month of February, then departing from San Francisco during the month March is also very affordable. Most momondo users find prices during this month for around $326.

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

The cheapest day to depart from San Francisco to Seattle is on a Wednesday. Travellers who choose to depart for Seattle on a Wednesday will often find tickets for as low as $268. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Seattle for around $655.

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

According to our data, the cheapest time of day to fly to Seattle is in the morning. momondo users have found flights departing from San Francisco to Seattle in the morning for as low as $268. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is in the evening when prices are around $637.

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 $361 when searching weeks before you fly. 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 $264 on momondo.

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

There are 3 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.

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

As of February 2026, prices for San Francisco to Seattle flights are approximately 14% 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 return 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 16m
Direct flights	Every day
Airports in Seattle	1 airport

The fastest flight from San Francisco to Seattle takes 2h 16m

Direct flights go from San Francisco to Seattle every day.

There is 1 airport in Seattle. From San Francisco there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

How far is San Francisco to Seattle/Tacoma Intl by plane?
There are 1091.5 km between San Francisco and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 2h 16m.
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 old do you have to be to fly from San Francisco Airport to Seattle/Tacoma Intl 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 San Francisco Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl 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 Seattle/Tacoma Intl 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 San Francisco to Seattle?
Based on momondo bookings for flights between San Francisco and Seattle, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 14.35% of the total bookings. Other popular models include Boeing 737-800 with 10.94%, Airbus A320-100/200 with 9.08%, and Airbus A319 with 7.52%.

Leavenworth

SeaTac

Why use momondo?

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

Finding the right flight to Seattle from San Francisco 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 Seattle quick and easy, saving you time and money.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from San Francisco.

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

Price alerts on flights to Seattle from San Francisco 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 San Francisco to Seattle from $106

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 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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See travel insights to Seattle from

How to get the cheapest flight ticket from San Francisco to Seattle

What is the cheapest month to fly to Seattle?

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

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

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?

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

There are 3 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.

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

As of February 2026, prices for San Francisco to Seattle flights are approximately 14% cheaper when compared to flights at the same time last year.

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

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

How often are flights from San Francisco to Seattle delayed?

Historically, on average around 15% of flights between San Francisco and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 133 minutes.

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

Generally, flights departing in the morning 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?

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

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

According to our data, Delta have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

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

As of February 2026, 70 flights take off from San Francisco and land in Seattle each day. The most common flight departure time for this route is 18:00, with 42% of daily flights taking off in the afternoon.

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

As of February 2026, 493 flights take off from San Francisco and land in Seattle each week. The most common flight departure day for this route is Sun, with 20% of weekly flights taking off on this day.

When to book flights from San Francisco to Seattle

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

Direct flights

Airports in Seattle

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

When did momondo last update prices 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?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

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

Travelling to a place near Seattle?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Seattle 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 Washington