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

According to our data, Aeromexico have had the fewest delays on this route over the last 12 months, with about 2% of their flights experiencing any sort of delay.

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

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

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

As of October 2025, there are 62 flights per day flying from San Francisco to Seattle. The most common time of day flights depart is 14:00, with 37% of flights taking off in the afternoon.

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?

Tuesday 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.

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 130 minutes.

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

439 flights are operational weekly from San Francisco to Seattle as of October 2025. The most popular departure day for this route is Mon, with 23% of flights per week taking off on this day.

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 refreshed on a daily basis.

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.

€63 Cheap Flights from San Francisco to Seattle in 2025/26

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05:45 - 08:06SFO-SEA

2h 21mdirect

16:40 - 18:56SEA-SFO

2h 16mdirect

€113Delta

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Sun, 7 Dec - Fri, 19 Dec

05:45 - 08:06SFO-SEA

2h 21mdirect

07:13 - 09:33SEA-SFO

2h 20mdirect

€118Delta

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Thu, 18 Dec - Wed, 31 Dec

13:11 - 16:50SFO-SEA

3h 39m1 stop

20:25 - 22:41SEA-SFO

2h 16mdirect

€121Alaska Airlines

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Mon, 17 Nov - Mon, 17 Nov

20:31 - 22:49SFO-SEA

2h 18mdirect

08:25 - 12:23SEA-SFO

3h 58m1 stop

€122Alaska Airlines

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Fri, 12 Dec - Thu, 22 Jan

07:35 - 09:52SFO-SEA

2h 17mdirect

15:59 - 16:39SEA-SFO

24h 40m1 stop

€123Alaska Airlines

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Sun, 7 Dec - Wed, 10 Dec

11:29 - 15:37SFO-SEA

4h 08m1 stop

20:24 - 22:41SEA-SFO

2h 17mdirect

€126Alaska Airlines

Find Deal

Wed, 19 Nov - Mon, 24 Nov

05:10 - 12:05SFO-SEA

6h 55m1 stop

07:25 - 15:05SEA-SFO

7h 40m1 stop

€132Southwest

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Wed, 19 Nov - Mon, 24 Nov

12:45 - 20:40SFO-SEA

7h 55m2 stops

05:15 - 11:30SEA-SFO

6h 15m1 stop

€134Southwest

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Thu, 4 Dec - Mon, 8 Dec

06:00 - 08:23SFO-SEA

2h 23mdirect

17:20 - 19:37SEA-SFO

2h 17mdirect

€156United Airlines

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Sat, 15 Nov - Mon, 17 Nov

06:00 - 08:23SFO-SEA

2h 23mdirect

05:00 - 07:36SEA-SFO

2h 36mdirect

€157United Airlines

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Thu, 18 Dec - Sun, 4 Jan

Delta flights from San Francisco to Seattle

Our best Delta deals on San Francisco to Seattle flight tickets

Delta

7 Dec

SFO05:45San Francisco

2h 21m

SEA08:06Seattle/Tacoma Intl

19 Dec

SEA16:40Seattle/Tacoma Intl

2h 16m

SFO18:56San Francisco

€113

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Delta

18 Dec

SFO05:45San Francisco

2h 21m

SEA08:06Seattle/Tacoma Intl

31 Dec

SEA07:13Seattle/Tacoma Intl

2h 20m

SFO09:33San Francisco

€118

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Delta

19 Dec

SFO05:45San Francisco

2h 21m

SEA08:06Seattle/Tacoma Intl

31 Dec

SEA07:13Seattle/Tacoma Intl

2h 20m

SFO09:33San Francisco

€135

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Southwest flights from San Francisco to Seattle

Our best Southwest deals on San Francisco to Seattle flight tickets

Southwest

19 Nov

SFO05:10San Francisco

6h 55m

1 stop

SEA12:05Seattle/Tacoma Intl

24 Nov

SEA07:25Seattle/Tacoma Intl

7h 40m

1 stop

SFO15:05San Francisco

€132

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Southwest

4 Dec

SFO05:20San Francisco

6h 35m

1 stop

SEA11:55Seattle/Tacoma Intl

8 Dec

SEA12:35Seattle/Tacoma Intl

7h 35m

2 stops

SFO20:10San Francisco

€134

Find similar

Southwest

19 Nov

SFO12:45San Francisco

7h 00m

2 stops

SEA19:45Seattle/Tacoma Intl

24 Nov

SEA07:25Seattle/Tacoma Intl

7h 40m

1 stop

SFO15:05San Francisco

€137

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Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sun 7/12

05:45-08:06

Nonstop2h 21m

Seattle/Tacoma Intl

Fri 19/12

16:40-18:56

Nonstop2h 16m

€113

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 18/12

05:45-08:06

Nonstop2h 21m

Seattle/Tacoma Intl

Wed 31/12

07:13-09:33

Nonstop2h 20m

€118

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 17/11

13:11-16:50

1 stop3h 39m

Seattle/Tacoma Intl

Mon 17/11

20:25-22:41

Nonstop2h 16m

€121

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 12/12

20:31-22:49

Nonstop2h 18m

Seattle/Tacoma Intl

Thu 22/1

08:25-12:23

1 stop3h 58m

€122

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sun 7/12

07:35-09:52

Nonstop2h 17m

Seattle/Tacoma Intl

Wed 10/12

15:59-16:39

1 stop24h 40m

€123

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 19/11

11:29-15:37

1 stop4h 08m

Seattle/Tacoma Intl

Mon 24/11

20:24-22:41

Nonstop2h 17m

€126

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 19/11

05:10-12:05

1 stop6h 55m

Seattle/Tacoma Intl

Mon 24/11

07:25-15:05

1 stop7h 40m

€132

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 4/12

12:45-20:40

2 stops7h 55m

Seattle/Tacoma Intl

Mon 8/12

05:15-11:30

1 stop6h 15m

€134

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 15/11

06:00-08:23

Nonstop2h 23m

Seattle/Tacoma Intl

Mon 17/11

17:20-19:37

Nonstop2h 17m

€156

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 18/12

06:00-08:23

Nonstop2h 23m

Seattle/Tacoma Intl

Sun 4/1

05:00-07:36

Nonstop2h 36m

€157

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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?

If you’re not able to fly to Seattle in January, then February is your next best option. Flight prices from San Francisco to Seattle during February average around €178.

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 €211 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 €131 on momondo.

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

As of October 2025, prices for San Francisco to Seattle flights are approximately 2% more expensive 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 07m
Direct flights	Every day
Airports in Seattle	1 airport

The fastest flight from San Francisco to Seattle takes 2h 07m

Direct flights go from San Francisco to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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How far is San Francisco to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 1091.5 km away from San Francisco. Typically, this will take 2h 11m by plane in normal conditions.
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 refreshed on a daily basis.
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?
momondo data reveals that the most frequently booked plane model on the route from San Francisco to Seattle is Boeing 737-800 Passenger/BBJ2 (winglets), representing 15.69% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 15.58%, Boeing 737 MAX 9 at 11.82%, and Boeing 737 MAX 8 at 8.96%.

Aberdeen

Lynnwood

Why use momondo?

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

It is quick and easy to find San Francisco to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

Yes. momondo enables you to select and highlight flights to Seattle from San Francisco with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from San Francisco and alert you when they 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.

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Cheap flights from San Francisco to Seattle from €65

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 18/11. 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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Our best Southwest deals on San Francisco to Seattle flight tickets

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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

What is the cheapest month to fly to Seattle?

If you’re not able to fly to Seattle in January, then February is your next best option. Flight prices from San Francisco to Seattle during February average around €178.

How far in advance should I book a flight to Seattle?

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

As of October 2025, prices for San Francisco to Seattle flights are approximately 2% more expensive when compared to flights at the same time last year.

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

Southwest, Alaska Airlines, 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 130 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?

Tuesday 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, Aeromexico have had the fewest delays on this route over the last 12 months, with about 2% of their flights experiencing any sort of delay.

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

As of October 2025, there are 62 flights per day flying from San Francisco to Seattle. The most common time of day flights depart is 14:00, with 37% of flights taking off in the afternoon.

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

439 flights are operational weekly from San Francisco to Seattle as of October 2025. The most popular departure day for this route is Mon, with 23% of flights per week 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