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

United Airlines, 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.

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 66 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.

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

The number of flights available between San Francisco and Seattle is 466 per week as of November 2025. The most frequent departure day is Sun, with 20% of weekly flights leaving 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 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.

₹ 6,647 Cheap Flights from San Francisco to Seattle in 2025/26

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22:48 - 00:59SFO-SEA

2h 11mdirect

12:35 - 14:53SEA-SFO

2h 18mdirect

₹ 11,876United Airlines

Find Deal

Thu, 25 Dec - Thu, 1 Jan

09:59 - 16:54SFO-SEA

6h 55m1 stop

19:11 - 00:03SEA-SFO

4h 52m1 stop

₹ 12,142Delta

Find Deal

Thu, 4 Dec - Mon, 8 Dec

12:25 - 20:50SFO-SEA

8h 25m1 stop

19:11 - 00:03SEA-SFO

4h 52m1 stop

₹ 12,230Delta

Find Deal

Thu, 4 Dec - Sun, 7 Dec

12:00 - 14:18SFO-SEA

2h 18mdirect

16:33 - 22:47SEA-SFO

6h 14m1 stop

₹ 12,496Alaska Airlines

Find Deal

Sat, 17 Jan - Sat, 17 Jan

08:00 - 09:50SFO-SEA

1h 50mdirect

16:33 - 22:47SEA-SFO

6h 14m1 stop

₹ 13,028Alaska Airlines

Find Deal

Thu, 18 Dec - Sat, 10 Jan

18:27 - 20:47SFO-SEA

2h 20mdirect

21:22 - 08:46SEA-SFO

11h 24m1 stop

₹ 13,294Alaska Airlines

Find Deal

Sat, 14 Feb - Tue, 17 Feb

05:00 - 12:05SFO-SEA

7h 05m1 stop

05:35 - 14:05SEA-SFO

8h 30m1 stop

₹ 13,382Southwest

Find Deal

Fri, 5 Dec - Sun, 7 Dec

07:35 - 09:52SFO-SEA

2h 17mdirect

18:59 - 16:39SEA-SFO

21h 40m1 stop

₹ 13,560Alaska Airlines

Find Deal

Fri, 5 Dec - Mon, 8 Dec

05:05 - 12:05SFO-SEA

7h 00m1 stop

08:10 - 14:25SEA-SFO

6h 15m2 stops

₹ 13,825Southwest

Find Deal

Thu, 4 Dec - Tue, 9 Dec

05:45 - 08:06SFO-SEA

2h 21mdirect

22:15 - 00:32SEA-SFO

2h 17mdirect

₹ 13,914Delta

Find Deal

Thu, 18 Dec - Fri, 2 Jan

United Airlines flights from San Francisco to Seattle

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

United Airlines

25 Dec

SFO22:48San Francisco

2h 11m

SEA00:59Seattle/Tacoma Intl

1 Jan

SEA12:35Seattle/Tacoma Intl

2h 18m

SFO14:53San Francisco

₹ 11,876

Find similar

United Airlines

5 Dec

SFO21:00San Francisco

2h 15m

SEA23:15Seattle/Tacoma Intl

7 Dec

SEA07:00Seattle/Tacoma Intl

2h 12m

SFO09:12San Francisco

₹ 14,003

Find similar

United Airlines

24 Dec

SFO18:55San Francisco

2h 12m

SEA21:07Seattle/Tacoma Intl

4 Jan

SEA05:00Seattle/Tacoma Intl

2h 36m

SFO07:36San Francisco

₹ 14,712

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Delta flights from San Francisco to Seattle

Our best Delta deals on San Francisco to Seattle flight tickets

Delta

4 Dec

SFO09:59San Francisco

6h 55m

1 stop

SEA16:54Seattle/Tacoma Intl

8 Dec

SEA19:11Seattle/Tacoma Intl

4h 52m

1 stop

SFO00:03San Francisco

₹ 12,142

Find similar

Delta

4 Dec

SFO12:25San Francisco

8h 25m

1 stop

SEA20:50Seattle/Tacoma Intl

7 Dec

SEA19:11Seattle/Tacoma Intl

4h 52m

1 stop

SFO00:03San Francisco

₹ 12,230

Find similar

Delta

18 Dec

SFO05:45San Francisco

2h 21m

SEA08:06Seattle/Tacoma Intl

2 Jan

SEA22:15Seattle/Tacoma Intl

2h 17m

SFO00:32San Francisco

₹ 13,914

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 25/12

22:48-00:59

Nonstop2h 11m

Seattle/Tacoma Intl

Thu 1/1

12:35-14:53

Nonstop2h 18m

₹ 11,876

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 4/12

09:59-16:54

1 stop6h 55m

Seattle/Tacoma Intl

Mon 8/12

19:11-00:03

1 stop4h 52m

₹ 12,142

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

₹ 12,230

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 17/1

12:00-14:18

Nonstop2h 18m

Seattle/Tacoma Intl

Sat 17/1

16:33-22:47

1 stop6h 14m

₹ 12,496

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 18/12

08:00-09:50

Nonstop1h 50m

Seattle/Tacoma Intl

Sat 10/1

16:33-22:47

1 stop6h 14m

₹ 13,028

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 14/2

18:27-20:47

Nonstop2h 20m

Seattle/Tacoma Intl

Tue 17/2

21:22-08:46

1 stop11h 24m

₹ 13,294

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

₹ 13,382

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 5/12

07:35-09:52

Nonstop2h 17m

Seattle/Tacoma Intl

Mon 8/12

18:59-16:39

1 stop21h 40m

₹ 13,560

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 4/12

05:05-12:05

1 stop7h 00m

Seattle/Tacoma Intl

Tue 9/12

08:10-14:25

2 stops6h 15m

₹ 13,825

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 18/12

05:45-08:06

Nonstop2h 21m

Seattle/Tacoma Intl

Fri 2/1

22:15-00:32

Nonstop2h 17m

₹ 13,914

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 typical price of a round-trip flight between San Francisco and Seattle?

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 ₹ 18,345.

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 ₹ 17,690. Flights from San Francisco to Seattle on a Monday will generally be more expensive and average around ₹ 109,581. 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 ₹ 22,952. Try not to purchase tickets in the morning because they tend to be around ₹ 37,041. 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 ₹ 21,839 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 ₹ 13,028 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 1% 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	₹ 10,928
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 ₹ 10,928. The best return flight deal from San Francisco to Seattle found on momondo in the last 72 hours is ₹ 445,691.

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 1h 50m.
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 15.35% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 14.62%, Boeing 737 MAX 9 with 11.12%, and Boeing 737 MAX 8 with 9.41%.
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 ₹ 11,610	Free Cancellation	Rating 8.0 11,259 reviews		Search Alaska Airlines flights
Delta	PriceFrom ₹ 13,025	Free Cancellation	Rating 7.9 8,004 reviews		Search Delta flights

Alaska Airlines Flights From San Francisco to Seattle
Alaska Airlines operates around 11 flights from San Francisco to Seattle every week. The average price of these flights found in the last 72 hours has been ₹ 24,477, but momondo users have found Alaska Airlines deals from San Francisco to Seattle from as low as ₹ 11,610 round-trip. Alaska Airlines has been scored 8.0/10 in 11,259 reviews.
Delta Flights From San Francisco to Seattle
Another popular option for San Francisco to Seattle flights is Delta (7.9/10, 8,004 ratings). Delta flies from San Francisco to Seattle around 16 times per week, with deals starting from ₹ 13,025 round-trip and rising to an average price of around ₹ 26,761.

Lacey

Port Orchard

Tacoma

Olympia

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 ₹ 6,647

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 24/12. 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 typical price of a round-trip flight between San Francisco and Seattle?

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 ₹ 18,345.

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 1% 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?

United Airlines, Southwest, 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 66 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?

The number of flights available between San Francisco and Seattle is 466 per week as of November 2025. The most frequent departure day is Sun, with 20% 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