Which airlines fly to Seattle?

Alaska Airlines, Delta and Southwest are the top three most popular airlines that fly to Seattle from San Francisco according to our data. Alaska Airlines is the first choice among our users, with 62% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 4 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

Southwest, Delta, and Alaska 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 week?

The number of flights available between San Francisco and Seattle is 458 per week as of November 2025. The most frequent departure day is Mon, with 23% of weekly flights leaving on this day.

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 65 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 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 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.

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.

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 many operators does momondo search for flights from San Francisco Airport to Seattle/Tacoma Intl Airport?

As of November 2025, there are 2 operators available to choose from 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?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 required travel and health documents for your Seattle/Tacoma Intl 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 license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

₹ 6,745 Cheap Flights from San Francisco to Seattle in 2025/26

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10:40 - 17:11SFO-SEA

6h 31m1 stop

05:05 - 12:21SEA-SFO

7h 16m1 stop

₹ 12,158Delta

Find Deal

Wed, 3 Dec - Sat, 6 Dec

10:40 - 17:11SFO-SEA

6h 31m1 stop

19:11 - 00:03SEA-SFO

4h 52m1 stop

₹ 12,247Delta

Find Deal

Thu, 4 Dec - Mon, 8 Dec

12:00 - 14:18SFO-SEA

2h 18mdirect

15:40 - 21:02SEA-SFO

5h 22m1 stop

₹ 12,513Alaska Airlines

Find Deal

Sat, 24 Jan - Sat, 24 Jan

05:45 - 08:06SFO-SEA

2h 21mdirect

13:37 - 15:57SEA-SFO

2h 20mdirect

₹ 13,046Delta

Find Deal

Sat, 13 Dec - Mon, 15 Dec

19:37 - 22:00SFO-SEA

2h 23mdirect

07:10 - 09:33SEA-SFO

2h 23mdirect

₹ 13,134Delta

Find Deal

Sat, 6 Dec - Sun, 7 Dec

06:00 - 08:15SFO-SEA

2h 15mdirect

16:20 - 08:37SEA-SFO

16h 17m1 stop

₹ 13,312Alaska Airlines

Find Deal

Fri, 20 Feb - Mon, 23 Feb

05:20 - 11:55SFO-SEA

6h 35m1 stop

12:35 - 20:10SEA-SFO

7h 35m2 stops

₹ 13,844Southwest

Find Deal

Thu, 4 Dec - Mon, 8 Dec

12:40 - 21:15SFO-SEA

8h 35m2 stops

09:55 - 17:05SEA-SFO

7h 10m1 stop

₹ 14,111Southwest

Find Deal

Sat, 6 Dec - Sun, 8 Feb

06:00 - 08:23SFO-SEA

2h 23mdirect

07:05 - 09:29SEA-SFO

2h 24mdirect

₹ 15,708United Airlines

Find Deal

Fri, 19 Dec - Mon, 22 Dec

14:41 - 16:52SFO-SEA

2h 11mdirect

07:05 - 09:29SEA-SFO

2h 24mdirect

₹ 15,886United Airlines

Find Deal

Thu, 25 Dec - Thu, 1 Jan

Delta flights from San Francisco to Seattle

Our best Delta deals on San Francisco to Seattle flight tickets

Delta

3 Dec

SFO10:40San Francisco

6h 31m

1 stop

SEA17:11Seattle/Tacoma Intl

6 Dec

SEA05:05Seattle/Tacoma Intl

7h 16m

1 stop

SFO12:21San Francisco

₹ 12,158

Find similar

Delta

4 Dec

SFO10:40San Francisco

6h 31m

1 stop

SEA17:11Seattle/Tacoma Intl

8 Dec

SEA19:11Seattle/Tacoma Intl

4h 52m

1 stop

SFO00:03San Francisco

₹ 12,247

Find similar

Delta

13 Dec

SFO05:45San Francisco

2h 21m

SEA08:06Seattle/Tacoma Intl

15 Dec

SEA13:37Seattle/Tacoma Intl

2h 20m

SFO15:57San Francisco

₹ 13,046

Find similar

Southwest flights from San Francisco to Seattle

Our best Southwest deals on San Francisco to Seattle flight tickets

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

₹ 13,844

Find similar

Southwest

6 Dec

SFO12:40San Francisco

8h 35m

2 stops

SEA21:15Seattle/Tacoma Intl

8 Feb

SEA09:55Seattle/Tacoma Intl

7h 10m

1 stop

SFO17:05San Francisco

₹ 14,111

Find similar

Southwest

4 Dec

SFO12:45San Francisco

7h 00m

2 stops

SEA19:45Seattle/Tacoma Intl

8 Dec

SEA12:10Seattle/Tacoma Intl

8h 00m

2 stops

SFO20:10San Francisco

₹ 14,288

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Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 3/12

10:40-17:11

1 stop6h 31m

Seattle/Tacoma Intl

Sat 6/12

05:05-12:21

1 stop7h 16m

₹ 12,158

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 4/12

10:40-17:11

1 stop6h 31m

Seattle/Tacoma Intl

Mon 8/12

19:11-00:03

1 stop4h 52m

₹ 12,247

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 24/1

12:00-14:18

Nonstop2h 18m

Seattle/Tacoma Intl

Sat 24/1

15:40-21:02

1 stop5h 22m

₹ 12,513

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 13/12

05:45-08:06

Nonstop2h 21m

Seattle/Tacoma Intl

Mon 15/12

13:37-15:57

Nonstop2h 20m

₹ 13,046

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 6/12

19:37-22:00

Nonstop2h 23m

Seattle/Tacoma Intl

Sun 7/12

07:10-09:33

Nonstop2h 23m

₹ 13,134

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 20/2

06:00-08:15

Nonstop2h 15m

Seattle/Tacoma Intl

Mon 23/2

16:20-08:37

1 stop16h 17m

₹ 13,312

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 4/12

05:20-11:55

1 stop6h 35m

Seattle/Tacoma Intl

Mon 8/12

12:35-20:10

2 stops7h 35m

₹ 13,844

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 6/12

12:40-21:15

2 stops8h 35m

Seattle/Tacoma Intl

Sun 8/2

09:55-17:05

1 stop7h 10m

₹ 14,111

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 19/12

06:00-08:23

Nonstop2h 23m

Seattle/Tacoma Intl

Mon 22/12

07:05-09:29

Nonstop2h 24m

₹ 15,708

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 25/12

14:41-16:52

Nonstop2h 11m

Seattle/Tacoma Intl

Thu 1/1

07:05-09:29

Nonstop2h 24m

₹ 15,886

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 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 aren’t able to travel during the month of January, then book flights to Seattle from San Francisco during February instead. Flights to Seattle in February, while not as cheap as those in January, still average around ₹ 18,371.

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 Tuesday. Travellers who choose to depart for Seattle on a Tuesday will often find tickets for as low as ₹ 17,714. Flights from San Francisco to Seattle on a Monday will generally be more expensive and average around ₹ 109,732. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest San Francisco to Seattle flights are usually those with departure times in the afternoon. Our users have found flights to Seattle in the afternoon for as low as ₹ 22,984. Try not to purchase tickets in the morning because they tend to be around ₹ 37,092. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 ₹ 21,772 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 ₹ 13,489 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 November 2025, prices for San Francisco to Seattle flights are approximately 17% 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

Best price found	₹ 10,943
Fastest flight time	2h 10m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from San Francisco in the past 72 hours is ₹ 10,943. The best return flight deal from San Francisco to Seattle found on momondo in the last 72 hours is ₹ 446,303.

The fastest flight from San Francisco to Seattle takes 2h 10m

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?
San Francisco and Seattle/Tacoma Intl are 1091.5 km apart from one another. A reasonable flight in good conditions will take 2h 11m.
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 many operators does momondo search for flights from San Francisco Airport to Seattle/Tacoma Intl Airport?
As of November 2025, there are 2 operators available to choose from 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?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 required travel and health documents for your Seattle/Tacoma Intl 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 license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl 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 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 15.69% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 15.58%, Boeing 737 MAX 9 with 11.82%, and Boeing 737 MAX 8 with 8.96%.
What is the most popular airline from San Francisco to Seattle?
Based on momondo bookings for flights between San Francisco and Seattle, the leading airline is Alaska Airlines, making up 76% of the total bookings. Other popular airlines include Delta with 24%.

Best airlines flying from San Francisco to Seattle

Compare and see reviews for airlines that fly from San Francisco to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom ₹ 11,626	Free Cancellation	Rating 8.0 11,237 reviews		Search Alaska Airlines flights
Delta	PriceFrom ₹ 13,043	Free Cancellation	Rating 7.9 8,002 reviews		Search Delta flights

Alaska Airlines Flights From San Francisco to Seattle
Alaska Airlines operates around 10 flights from San Francisco to Seattle every week. The average price of these flights found in the last 72 hours has been ₹ 24,511, but momondo users have found Alaska Airlines deals from San Francisco to Seattle from as low as ₹ 11,626 round-trip. Alaska Airlines has been scored 8.0/10 in 11,237 reviews.
Delta Flights From San Francisco to Seattle
Another popular option for San Francisco to Seattle flights is Delta (7.9/10, 8,002 ratings). Delta flies from San Francisco to Seattle around 15 times per week, with deals starting from ₹ 13,043 round-trip and rising to an average price of around ₹ 26,798.

Lacey

Port Orchard

Tacoma

Olympia

Redmond

SeaTac

Leavenworth

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Seattle . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from San Francisco to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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 ₹ 6,745

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 2/12. 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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Delta flights from San Francisco to Seattle

Our best Delta deals on San Francisco to Seattle flight tickets

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Our best Southwest deals on San Francisco to Seattle flight tickets

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See travel insights to Seattle from

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 aren’t able to travel during the month of January, then book flights to Seattle from San Francisco during February instead. Flights to Seattle in February, while not as cheap as those in January, still average around ₹ 18,371.

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 November 2025, prices for San Francisco to Seattle flights are approximately 17% 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?

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

Which airlines fly to Seattle?

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 65 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?

The number of flights available between San Francisco and Seattle is 458 per week as of November 2025. The most frequent departure day is Mon, with 23% of weekly flights leaving 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

Best price found

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 many operators does momondo search 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?

What is the most popular airline from San Francisco to Seattle?

Best airlines flying from San Francisco to Seattle

Compare and see reviews for airlines that fly from San Francisco to Seattle with momondo

Alaska Airlines Flights From San Francisco to Seattle

Delta Flights 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