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

As of November 2025, there are 78 flights per day flying from San Francisco to Seattle. The most common time of day flights depart is 16:00, with 36% of flights taking off in the afternoon.

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?

551 flights are operational weekly from San Francisco to Seattle as of November 2025. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

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.

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?

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

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.

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.

€60 Cheap Flights from San Francisco to Seattle in 2025/26

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10:30 - 12:53SFO-SEA

2h 23mdirect

19:11 - 00:03SEA-SFO

4h 52m1 stop

€111Delta

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Thu, 4 Dec - Sun, 7 Dec

19:28 - 21:48SFO-SEA

2h 20mdirect

21:41 - 23:59SEA-SFO

2h 18mdirect

€114Alaska Airlines

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Sat, 21 Feb - Mon, 2 Mar

16:10 - 18:27SFO-SEA

2h 17mdirect

06:18 - 08:41SEA-SFO

2h 23mdirect

€116United Airlines

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Fri, 16 Jan - Sun, 18 Jan

13:20 - 18:37SFO-SEA

5h 17m1 stop

19:11 - 00:03SEA-SFO

4h 52m1 stop

€119Delta

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Thu, 4 Dec - Sun, 7 Dec

12:25 - 20:50SFO-SEA

8h 25m1 stop

19:11 - 00:03SEA-SFO

4h 52m1 stop

€119Delta

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Thu, 4 Dec - Sun, 7 Dec

14:58 - 21:01SFO-SEA

6h 03m1 stop

18:21 - 20:36SEA-SFO

2h 15mdirect

€123Alaska Airlines

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Tue, 17 Feb - Tue, 3 Mar

08:00 - 09:50SFO-SEA

1h 50mdirect

16:00 - 21:36SEA-SFO

5h 36m1 stop

€127Alaska Airlines

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Thu, 18 Dec - Wed, 24 Dec

05:00 - 12:05SFO-SEA

7h 05m1 stop

05:35 - 14:05SEA-SFO

8h 30m1 stop

€131Southwest

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Fri, 5 Dec - Sun, 7 Dec

07:25 - 16:30SFO-SEA

9h 05m2 stops

05:35 - 14:05SEA-SFO

8h 30m1 stop

€135Southwest

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Thu, 4 Dec - Sun, 7 Dec

21:00 - 23:15SFO-SEA

2h 15mdirect

07:00 - 09:12SEA-SFO

2h 12mdirect

€137United Airlines

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Fri, 5 Dec - Sun, 7 Dec

United Airlines flights from San Francisco to Seattle

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

United Airlines

16 Jan

SFO16:10San Francisco

2h 17m

SEA18:27Seattle/Tacoma Intl

18 Jan

SEA06:18Seattle/Tacoma Intl

2h 23m

SFO08:41San Francisco

€116

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United Airlines

5 Dec

SFO21:00San Francisco

2h 15m

SEA23:15Seattle/Tacoma Intl

7 Dec

SEA07:00Seattle/Tacoma Intl

2h 12m

SFO09:12San Francisco

€137

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United Airlines

2 Dec

SFO06:00San Francisco

2h 24m

SEA08:24Seattle/Tacoma Intl

2 Dec

SEA13:05Seattle/Tacoma Intl

2h 17m

SFO15:22San Francisco

€145

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Alaska Airlines flights from San Francisco to Seattle

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

Alaska Airlines

21 Feb

SFO19:28San Francisco

2h 20m

SEA21:48Seattle/Tacoma Intl

2 Mar

SEA21:41Seattle/Tacoma Intl

2h 18m

SFO23:59San Francisco

€114

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Alaska Airlines

17 Feb

SFO14:58San Francisco

6h 03m

1 stop

SEA21:01Seattle/Tacoma Intl

3 Mar

SEA18:21Seattle/Tacoma Intl

2h 15m

SFO20:36San Francisco

€123

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Alaska Airlines

18 Dec

SFO08:00San Francisco

1h 50m

SEA09:50Seattle/Tacoma Intl

24 Dec

SEA16:00Seattle/Tacoma Intl

5h 36m

1 stop

SFO21:36San Francisco

€127

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Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 4/12

10:30-12:53

Nonstop2h 23m

Seattle/Tacoma Intl

Sun 7/12

19:11-00:03

1 stop4h 52m

€111

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 21/2

19:28-21:48

Nonstop2h 20m

Seattle/Tacoma Intl

Mon 2/3

21:41-23:59

Nonstop2h 18m

€114

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 16/1

16:10-18:27

Nonstop2h 17m

Seattle/Tacoma Intl

Sun 18/1

06:18-08:41

Nonstop2h 23m

€116

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 4/12

13:20-18:37

1 stop5h 17m

Seattle/Tacoma Intl

Sun 7/12

19:11-00:03

1 stop4h 52m

€118

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 4/12

12:25-20:50

1 stop8h 25m

Seattle/Tacoma Intl

Sun 7/12

19:11-00:03

1 stop4h 52m

€119

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 17/2

14:58-21:01

1 stop6h 03m

Seattle/Tacoma Intl

Tue 3/3

18:21-20:36

Nonstop2h 15m

€123

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 18/12

08:00-09:50

Nonstop1h 50m

Seattle/Tacoma Intl

Wed 24/12

16:00-21:36

1 stop5h 36m

€127

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 5/12

05:00-12:05

1 stop7h 05m

Seattle/Tacoma Intl

Sun 7/12

05:35-14:05

1 stop8h 30m

€131

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 4/12

07:25-16:30

2 stops9h 05m

Seattle/Tacoma Intl

Sun 7/12

05:35-14:05

1 stop8h 30m

€135

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 5/12

21:00-23:15

Nonstop2h 15m

Seattle/Tacoma Intl

Sun 7/12

07:00-09:12

Nonstop2h 12m

€137

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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

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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 €179.

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 €213 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 €127 on momondo.

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

As of November 2025, prices for San Francisco to Seattle flights are approximately 2% 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 11m
Direct flights	Every day
Airports in Seattle	1 airport

The fastest flight from San Francisco to Seattle takes 2h 11m

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 1h 50m 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 15.35% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 14.62%, Boeing 737 MAX 9 at 11.12%, and Boeing 737 MAX 8 at 9.41%.

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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.

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Cheap flights from San Francisco to Seattle from €60

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 8/12. 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 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 €179.

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

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

As of November 2025, prices for San Francisco to Seattle flights are approximately 2% 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, Southwest, and Alaska 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 November 2025, there are 78 flights per day flying from San Francisco to Seattle. The most common time of day flights depart is 16:00, with 36% of flights taking off in the afternoon.

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

551 flights are operational weekly from San Francisco to Seattle as of November 2025. The most popular departure day for this route is Mon, with 19% 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