Which airlines fly to Seattle?

Alaska Airlines, Southwest and Hawaiian Airlines 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 68% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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 132 minutes.

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 January 2026, there are 34 flights per day flying from San Francisco to Seattle. The most common time of day flights depart is 10:00, with 46% 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 many flights depart from San Francisco to Seattle on average per week?

The number of flights available between San Francisco and Seattle is 239 per week as of January 2026. The most frequent departure day is Mon, with 41% of weekly flights leaving on this day.

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

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

As of January 2026, there is 1 operator 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.

₹ 5,323 Cheap Flights from San Francisco to Seattle in 2026

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customie your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from San Francisco to Seattle

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

09:50 - 15:00

SFO

SEA

5h 10m1 stop

17:40 - 22:54

SEA

SFO

5h 14m1 stop

₹ 10,555Delta

Wed, 28 Jan - Thu, 29 Jan

08:25 - 14:54

SFO

SEA

6h 29m1 stop

14:02 - 20:29

SEA

SFO

6h 27m1 stop

₹ 10,645Delta

Thu, 29 Jan - Mon, 2 Feb

15:00 - 22:35

SFO

SEA

7h 35m1 stop

09:55 - 17:05

SEA

SFO

7h 10m1 stop

₹ 10,916Southwest

Wed, 4 Feb - Wed, 11 Feb

20:47 - 23:07

SFO

SEA

2h 20mdirect

21:22 - 08:46

SEA

SFO

11h 24m1 stop

₹ 11,096Alaska Airlines

Sat, 14 Feb - Wed, 18 Feb

06:30 - 08:47

SFO

SEA

2h 17mdirect

21:41 - 23:59

SEA

SFO

2h 18mdirect

₹ 11,187Alaska Airlines

Thu, 5 Mar - Sun, 8 Mar

11:10 - 21:50

SFO

SEA

10h 40m2 stops

05:15 - 11:50

SEA

SFO

6h 35m1 stop

₹ 11,367Southwest

Wed, 4 Feb - Wed, 11 Feb

19:55 - 09:53

SFO

SEA

13h 58m1 stop

21:22 - 08:46

SEA

SFO

11h 24m1 stop

₹ 11,638Alaska Airlines

Wed, 4 Feb - Wed, 18 Feb

17:00 - 09:53

SFO

SEA

16h 53m1 stop

15:45 - 17:59

SEA

SFO

2h 14mdirect

₹ 11,728Alaska Airlines

Tue, 27 Jan - Tue, 3 Feb

14:35 - 23:05

SFO

SEA

8h 30m1 stop

06:05 - 14:55

SEA

SFO

8h 50m1 stop

₹ 11,818Southwest

Tue, 27 Jan - Thu, 29 Jan

06:05 - 08:21

SFO

SEA

2h 16mdirect

16:25 - 18:44

SEA

SFO

2h 19mdirect

₹ 11,908Delta

Mon, 30 Mar - Wed, 1 Apr

Southwest flights from San Francisco to Seattle

Our best Southwest deals on San Francisco to Seattle flight tickets

Southwest

4 Feb

SFO15:00San Francisco

7h 35m

1 stop

SEA22:35Seattle/Tacoma Intl

11 Feb

SEA09:55Seattle/Tacoma Intl

7h 10m

1 stop

SFO17:05San Francisco

₹ 10,916

Find similar

Southwest

4 Feb

SFO11:10San Francisco

10h 40m

2 stops

SEA21:50Seattle/Tacoma Intl

11 Feb

SEA05:15Seattle/Tacoma Intl

6h 35m

1 stop

SFO11:50San Francisco

₹ 11,367

Find similar

Southwest

27 Jan

SFO14:35San Francisco

8h 30m

1 stop

SEA23:05Seattle/Tacoma Intl

29 Jan

SEA06:05Seattle/Tacoma Intl

8h 50m

1 stop

SFO14:55San Francisco

₹ 11,818

Find similar

Alaska Airlines flights from San Francisco to Seattle

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

Alaska Airlines

14 Feb

SFO20:47San Francisco

2h 20m

SEA23:07Seattle/Tacoma Intl

17 Feb

SEA20:20Seattle/Tacoma Intl

12h 26m

1 stop

SFO08:46San Francisco

₹ 11,096

Find similar

Alaska Airlines

5 Mar

SFO06:30San Francisco

2h 17m

SEA08:47Seattle/Tacoma Intl

8 Mar

SEA21:41Seattle/Tacoma Intl

2h 18m

SFO23:59San Francisco

₹ 11,187

Find similar

Alaska Airlines

4 Feb

SFO19:55San Francisco

13h 58m

1 stop

SEA09:53Seattle/Tacoma Intl

18 Feb

SEA21:22Seattle/Tacoma Intl

11h 24m

1 stop

SFO08:46San Francisco

₹ 11,638

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 28/1

09:50-15:00

1 stop5h 10m

Seattle/Tacoma Intl

Thu 29/1

17:40-22:54

1 stop5h 14m

₹ 10,555

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 29/1

08:25-14:54

1 stop6h 29m

Seattle/Tacoma Intl

Mon 2/2

14:02-20:29

1 stop6h 27m

₹ 10,645

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 4/2

15:00-22:35

1 stop7h 35m

Seattle/Tacoma Intl

Wed 11/2

09:55-17:05

1 stop7h 10m

₹ 10,916

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 14/2

20:47-23:07

Nonstop2h 20m

Seattle/Tacoma Intl

Wed 18/2

21:22-08:46

1 stop11h 24m

₹ 11,096

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 5/3

06:30-08:47

Nonstop2h 17m

Seattle/Tacoma Intl

Sun 8/3

21:41-23:59

Nonstop2h 18m

₹ 11,187

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 4/2

11:10-21:50

2 stops10h 40m

Seattle/Tacoma Intl

Wed 11/2

05:15-11:50

1 stop6h 35m

₹ 11,367

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 4/2

19:55-09:53

1 stop13h 58m

Seattle/Tacoma Intl

Wed 18/2

21:22-08:46

1 stop11h 24m

₹ 11,638

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 27/1

17:00-09:53

1 stop16h 53m

Seattle/Tacoma Intl

Tue 3/2

15:45-17:59

Nonstop2h 14m

₹ 11,728

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 27/1

14:35-23:05

1 stop8h 30m

Seattle/Tacoma Intl

Thu 29/1

06:05-14:55

1 stop8h 50m

₹ 11,818

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 30/3

06:05-08:21

Nonstop2h 16m

Seattle/Tacoma Intl

Wed 1/4

16:25-18:44

Nonstop2h 19m

₹ 11,908

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 ₹ 19,576.

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 ₹ 18,007. Flights from San Francisco to Seattle on a Monday will generally be more expensive and average around ₹ 111,546. 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 ₹ 23,600. Try not to purchase tickets at midday because they tend to be around ₹ 33,073. 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 ₹ 22,290 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 ₹ 15,878 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 January 2026, prices for San Francisco to Seattle flights are approximately 13% 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	₹ 17,430
Fastest flight time	2h 21m
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 ₹ 17,430. The best return flight deal from San Francisco to Seattle found on momondo in the last 72 hours is ₹ 10,099.

The fastest flight from San Francisco to Seattle takes 2h 21m

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?
San Francisco and Seattle/Tacoma Intl are 1091.5 km apart from one another. A reasonable flight in good conditions will take 2h 21m.
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 January 2026, there is 1 operator 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 14.13% of the total bookings. Other popular models include Boeing 737-800 with 9.65%, Boeing 737 MAX 8 with 8.68%, and Airbus A320-100/200 with 8.42%.
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 100% of the total bookings.

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 ₹ 11,818	Free Cancellation	Rating 8.0 11,648 reviews		Search Alaska Airlines 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 ₹ 23,600, but momondo users have found Alaska Airlines deals from San Francisco to Seattle from as low as ₹ 11,818 round-trip. Alaska Airlines has been scored 8.0/10 in 11,648 reviews.

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 5/2

Thu 12/2

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Washington

Spokane Airport

Popular Cities in the United States

Flights to New Yorkfrom ₹ 59,992

Flights to San Franciscofrom ₹ 53,046

Flights to Chicagofrom ₹ 65,135

Flights to Los Angelesfrom ₹ 52,775

Flights to Washington, D.C.from ₹ 64,052

Flights to Dallasfrom ₹ 72,713

Flights to Bostonfrom ₹ 65,315

Flights to Atlantafrom ₹ 59,632

Flights to Houstonfrom ₹ 53,678

Flights to Miamifrom ₹ 54,580

Flights to Orlandofrom ₹ 65,856

Flights to Raleighfrom ₹ 71,179

Cheap flights from San Francisco to Seattle from ₹ 5,323

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 30/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from San Francisco to Seattle

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Southwest flights from San Francisco to Seattle

Our best Southwest deals on San Francisco to Seattle flight tickets

Alaska Airlines flights from San Francisco to Seattle

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

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Seattle that are best for you.

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?

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 ₹ 19,576.

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 January 2026, prices for San Francisco to Seattle flights are approximately 13% 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 Southwest 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 132 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, 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 January 2026, there are 34 flights per day flying from San Francisco to Seattle. The most common time of day flights depart is 10:00, with 46% 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 239 per week as of January 2026. The most frequent departure day is Mon, with 41% 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

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