What is the most punctual flight time for San Francisco to Seattle flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Over the past year, United Airlines has had the lowest number of delays on this route, with just 16% of flights being delayed.

How often are flights from San Francisco to Seattle delayed?

About 18% of weekly flights between San Francisco and Seattle have experienced delays in the past year, with the average delay time being 134 minutes.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

How popular is this San Francisco to Seattle flight route?

This flight path from San Francisco to Seattle/Tacoma Intl was viewed by 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from San Francisco to Seattle?

Alaska Airlines, United Airlines, and Delta can get you from San Francisco to Seattle in just under 2h 13m. Your travel time will be generally consistent. San Francisco and Seattle are separated by a distance of 1093 km. All flights are typically direct.

What is the cheapest airline to fly from San Francisco to Seattle round-trip?

Cheapflights users have booked flights from San Francisco to Seattle round-trip from C$ 291. Alaska Airlines is priced at 29% lower than the current average price of a flight leaving 3 months from now.

Weekly flight availability from San Francisco to Seattle

The most flights from SFO to SEA are scheduled on a Monday (87 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (18 on average).

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

What are the cheapest flights from San Francisco to Seattle?

Looking for the cheapest flight from San Francisco to Seattle? While on average our users pay C$ 369, our data indicates the cheapest price to be C$ 158. The most popular route (San Francisco - Seattle/Tacoma Intl), is priced around C$ 287.

What are the most reliable airlines from San Francisco to Seattle?

No one likes to see their flight delayed. When booking a flight from San Francisco to Seattle consider choosing Aeromexico (97%), Air China (91%) or Copa Airlines (85%) as they are the most reliable in getting you off to your destination on time.

What airports do I use to fly from San Francisco to Seattle?

Booking a flight from San Francisco (SFO) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from San Francisco to Seattle. On a typical day, there are 59 flights from San Francisco to Seattle/Tacoma Intl, all of which are around 2h 17m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from San Francisco to Seattle.

Can I find deals for flights from San Francisco to Seattle that include hotel bookings?

Yes. In addition to deals on San Francisco to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Francisco to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Seattle.

Can I find deals for business class flights from San Francisco to Seattle?

Yes. Cheapflights offers flight deals from San Francisco to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 121+ Cheap Flights from San Francisco to Seattle

Cheapflights Tip: The best prices from San Francisco to Seattle/Tacoma Intl are usually found in February or January, booked 51 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from San Francisco to Seattle

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from San Francisco to Seattle
Explore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2026.

Tue 17/119:27 p.m. -

1 stop21h 06m

Tue 24/111:52 p.m. -

1 stop6h 33m

Deal found 19/10C$ 253

Thu 12/116:17 a.m. -

Nonstop2h 18m

Sun 15/117:20 a.m. -

Nonstop2h 23m

Deal found 20/10C$ 266

Tue 24/116:00 a.m. -

Nonstop2h 15m

Wed 2/127:36 p.m. -

Nonstop2h 12m

Deal found 20/10C$ 277

Tue 29/126:10 a.m. -

Nonstop2h 23m

Sat 2/17:15 a.m. -

Nonstop2h 28m

Deal found 21/10C$ 278

Mon 9/116:08 a.m. -

Nonstop2h 14m

Thu 19/117:33 p.m. -

Nonstop2h 10m

Deal found 20/10C$ 281

Sat 5/1210:45 a.m. -

Nonstop2h 19m

Sat 5/123:58 p.m. -

Nonstop2h 14m

Deal found 19/10C$ 284

Tue 17/1110:39 a.m. -

Nonstop2h 17m

Tue 24/111:52 p.m. -

1 stop6h 33m

Deal found 19/10C$ 287

Sat 14/116:17 a.m. -

Nonstop2h 18m

Tue 17/112:57 p.m. -

Nonstop2h 16m

Deal found 20/10C$ 288

Sat 21/116:17 a.m. -

Nonstop2h 18m

Wed 2/129:22 p.m. -

Nonstop2h 21m

Deal found 20/10C$ 290

Wed 2/1210:41 a.m. -

Nonstop2h 19m

Wed 9/122:57 p.m. -

Nonstop2h 19m

Deal found 18/10C$ 291

Mon 16/112:12 p.m. -

Nonstop2h 18m

Fri 20/117:20 a.m. -

Nonstop2h 23m

Deal found 21/10C$ 293

Find flight deals from San Francisco to Seattle

Round-trip from	C$ 253
One-way from	C$ 121
Popular in	July
Cheapest in	February
Average price	C$ 380
Good round-trip deal	C$ 409 or less
Good one-way deal	C$ 188 or less

Frontier
17/11-24/11
2 total stops
27h 39m total
San Francisco to Seattle

Search Deals

Frontier
4/12-31/12
1 total stop
9h 10m total
San Francisco to Seattle

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 62 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from San Francisco to Seattle/Tacoma Intl.

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Price to beat on a one-way flight from San Francisco to Seattle/Tacoma Intl.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Fri 13/11

2:10 p.m.-4:27 p.m.

Nonstop2h 17m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 134

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Tue 17/11

5:53 p.m.-8:13 p.m.

Nonstop2h 20m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 145

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Sun 3/1

6:10 a.m.-8:33 a.m.

Nonstop2h 23m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 160

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Thu 19/11

6:17 a.m.-8:35 a.m.

Nonstop2h 18m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 160

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Tue 10/11

5:05 a.m.-12:10 p.m.

1 stop7h 05m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 163

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Wed 2/12

1:05 p.m.-9:40 p.m.

2 stops8h 35m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 167

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Sun 7/2

7:00 a.m.-4:25 p.m.

2 stops9h 25m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 170

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Mon 16/11

12:25 p.m.-9:40 p.m.

2 stops9h 15m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 170

Quickest round-trip

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Thu 12/11

7:25 a.m.-9:40 a.m.

Nonstop2h 15m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 177

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Sat 21/11

8:33 p.m.-10:49 p.m.

Nonstop2h 16m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 196

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/10

Showing 1-10 of 23 resultsSorted by cheapest first

Best time to book a flight from San Francisco to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from San Francisco with our price prediction graph.

SFO-SEA

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Seattle

Prices

Airlines

Delays

How far ahead should I book a flight from San Francisco to Seattle?

The price you pay for your flight from San Francisco to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Francisco to Seattle?

Currently, February is the cheapest month in which you can book a flight from San Francisco to Seattle (average of C$ 298). Flying from San Francisco to Seattle in July is currently the most expensive (average of C$ 485). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to SEA?

It’s typically best to fly out from San Francisco to Seattle in the morning. Doing so could potentially save you 23% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost to fly round-trip from San Francisco to Seattle?

Airfare is below average for this route at the moment.

San Francisco to Seattle flights typically cost between C$ 283 and C$ 575 in November.
The cheapest round-trip price found within the last 5 days was C$ 253 on Frontier (17 Nov-24 Nov).

Reviews of airlines servicing Seattle

Check out reviews from past customers who have flown with Alaska Airlines from San Francisco to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

7.9

Good

13,100 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Alaska Airlines

7.9

Good

13,100 reviews

Alaska Airlines

7.9

Good

13,100 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

What airports do I use to fly from San Francisco to Seattle?
Booking a flight from San Francisco (SFO) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from San Francisco to Seattle. On a typical day, there are 59 flights from San Francisco to Seattle/Tacoma Intl, all of which are around 2h 17m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from San Francisco to Seattle.
How popular is this San Francisco to Seattle flight route?
This flight path from San Francisco to Seattle/Tacoma Intl was viewed by 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from San Francisco to Seattle?
Alaska Airlines, United Airlines, and Delta can get you from San Francisco to Seattle in just under 2h 13m. Your travel time will be generally consistent. San Francisco and Seattle are separated by a distance of 1093 km. All flights are typically direct.
What is the cheapest airline to fly from San Francisco to Seattle round-trip?
Cheapflights users have booked flights from San Francisco to Seattle round-trip from C$ 291. Alaska Airlines is priced at 29% lower than the current average price of a flight leaving 3 months from now.
What are the most reliable airlines from San Francisco to Seattle?
No one likes to see their flight delayed. When booking a flight from San Francisco to Seattle consider choosing Aeromexico (97%), Air China (91%) or Copa Airlines (85%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from San Francisco to Seattle?
Looking for the cheapest flight from San Francisco to Seattle? While on average our users pay C$ 369, our data indicates the cheapest price to be C$ 158. The most popular route (San Francisco - Seattle/Tacoma Intl), is priced around C$ 287.
Can I find deals for flights from San Francisco to Seattle that include hotel bookings?
Yes. In addition to deals on San Francisco to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Francisco to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Seattle.
Can I find deals for business class flights from San Francisco to Seattle?
Yes. Cheapflights offers flight deals from San Francisco to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Francisco to Seattle?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Seattle (average of C$ 298). Flying from San Francisco to Seattle in July is currently the most expensive (average of C$ 485). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

SeaTac

Kent

Mukilteo

Ellensburg

Renton

Lynnwood

Cashmere

Leavenworth

Tukwila

Tacoma

Marysville

Federal Way

Kirkland

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Alternative routes

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San Diego to Bellingham flights

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Los Angeles to Bellingham flights

Las Vegas to Bellingham flights

Top airline flying from San Francisco to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	CheapestC$ 291	AverageC$ 375	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights

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How does Cheapflights help users find flights from San Francisco to Seattle?

Deals for San Francisco to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Seattle?

Cheapflights helps you find that perfect flight to Seattle from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco to Seattle with no change fees?

Need flexible booking options for your flight to Seattle from San Francisco? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Francisco to Seattle become cheaper?

Yes! Start tracking prices for San Francisco to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from San Francisco to Seattle from C$ 121

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Francisco to Seattle

Cheapest flights from San Francisco to SeattleExplore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2026.

Explore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2026.

Best flights from San Francisco to SeattleDiscover carefully curated flight deals from San Francisco to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 October 2026.

Discover carefully curated flight deals from San Francisco to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 October 2026.

Direct flights from San Francisco to SeattleExplore direct flight options from San Francisco to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 October 2026.

Explore direct flight options from San Francisco to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 October 2026.

Last-minute flights from San Francisco to SeattleDiscover last-minute flight deals from San Francisco to Seattle. Data last updated 21 October 2026 and is based on user searches.

Discover last-minute flight deals from San Francisco to Seattle. Data last updated 21 October 2026 and is based on user searches.

One-way flights from San Francisco to SeattleSearch for one-way flight options from San Francisco to Seattle. Find affordable one-way fares based on user searches. Data last updated 21 October 2026.

Search for one-way flight options from San Francisco to Seattle. Find affordable one-way fares based on user searches. Data last updated 21 October 2026.

Find flight deals from San Francisco to Seattle

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from San Francisco to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from San Francisco with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from San Francisco to Seattle?

The price you pay for your flight from San Francisco to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Francisco to Seattle?

What is the cheapest time of day to fly from SFO to SEA?

It’s typically best to fly out from San Francisco to Seattle in the morning. Doing so could potentially save you 23% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost to fly round-trip from San Francisco to Seattle?

Airfare is below average for this route at the moment.

San Francisco to Seattle flights typically cost between C$ 283 and C$ 575 in November.The cheapest round-trip price found within the last 5 days was C$ 253 on Frontier (17 Nov-24 Nov).

Weekly flight availability from San Francisco to Seattle

The most flights from SFO to SEA are scheduled on a Monday (87 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (18 on average).

How often are flights from San Francisco to Seattle delayed?

About 18% of weekly flights between San Francisco and Seattle have experienced delays in the past year, with the average delay time being 134 minutes.

What is the most punctual flight time for San Francisco to Seattle flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, United Airlines has had the lowest number of delays on this route, with just 16% of flights being delayed.

Reviews of airlines servicing Seattle

Check out reviews from past customers who have flown with Alaska Airlines from San Francisco to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airports do I use to fly from San Francisco to Seattle?

How popular is this San Francisco to Seattle flight route?

How long is the flight from San Francisco to Seattle?

What is the cheapest airline to fly from San Francisco to Seattle round-trip?

What are the most reliable airlines from San Francisco to Seattle?

What are the cheapest flights from San Francisco to Seattle?

Can I find deals for flights from San Francisco to Seattle that include hotel bookings?

How can I find direct flights from San Francisco to Seattle?

Can I find deals for business class flights from San Francisco to Seattle?

What is the cheapest month to book a flight from San Francisco to Seattle?

Travelling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Washington

Book a non-stop flight to one of these other cities located in Washington.

Search flights from San Francisco to Seattle by cabin class

Find flights from San Francisco to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

San Francisco and Seattle flights

Browse other San Francisco and Seattle flight options. Last updated on 21 October 2026.

Other flights from San Francisco

Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 21 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Seattle

Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 October 2026.

Top airline flying from San Francisco to Seattle

Fly with Cheapflights

How does Cheapflights help users find flights from San Francisco to Seattle?

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Seattle?

Cheapest flights from San Francisco to Seattle
Explore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2026.

Best flights from San Francisco to Seattle
Discover carefully curated flight deals from San Francisco to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 October 2026.

Direct flights from San Francisco to Seattle
Explore direct flight options from San Francisco to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 October 2026.

Last-minute flights from San Francisco to Seattle
Discover last-minute flight deals from San Francisco to Seattle. Data last updated 21 October 2026 and is based on user searches.

One-way flights from San Francisco to Seattle
Search for one-way flight options from San Francisco to Seattle. Find affordable one-way fares based on user searches. Data last updated 21 October 2026.

San Francisco to Seattle flights typically cost between C$ 283 and C$ 575 in November.
The cheapest round-trip price found within the last 5 days was C$ 253 on Frontier (17 Nov-24 Nov).