Cheap flights from San Francisco to Seattle (SFO - SEA)

SFO — SEA
Jan 31 — Feb 71

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

How to find the cheapest flight from San Francisco (SFO) to Seattle (SEA)

All the information you need to plan the best SFO to SEA flight in 2023: compare San Francisco to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.

SFO - SEA

Price

$157 - $268

SEA

Temperature

41 - 66.2 °F

SEA

Rainfall

0.7 - 6.6 inches

Popular inJuneHigh demand for flights, 21% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 26% potential price drop
Round-trip from$157From San Francisco to Seattle/Tacoma Intl
One-way from$74One-way flight from San Francisco to Seattle/Tacoma Intl

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

Travelers have found that booking a Friday departure is the best way to save up to 19% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 43 days in advance, which can save you up to 90% on flights from San Francisco to Seattle compared to booking the week you need them. Waiting 43 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $285. For sooner than that we have options available in the next 3 days from $414.

What is the cheapest month to fly from San Francisco to Seattle?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Seattle. Flights to Seattle from San Francisco in January are about $211 on average during January, but can be found for as low as $117.

When is the cheapest time to fly from San Francisco to Seattle (SFO - SEA)?

A simple way to save on the total cost of your ticket is to fly from San Francisco to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight at noon.

Cheap flights from San Francisco to Seattle in January, February 2023

The best prices found for SFO to SEA flights for January, February
Feb 22 - Mar 1
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 14m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

1 stop

10h 31m
$91

Multiple Airlines

Pick Dates

Deal found 1/26

Feb 14 - Feb 16
SFO

San Francisco

SEA

Seattle/Tacoma Intl

1 stop

9h 18m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 10m
$97

Multiple Airlines

Pick Dates

Deal found 1/26

Feb 22 - Feb 27
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 14m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 10m
$98

Alaska Airlines

Pick Dates

Deal found 1/26

San Francisco to Seattle 2023 flight deals

Cheap flights to Seattle from San Francisco found for this year
Feb 22 - Mar 1
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 14m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

1 stop

10h 31m
$91

Multiple Airlines

Pick Dates

Deal found 1/26

Mar 1 - Mar 7
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 14m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

1 stop

10h 31m
$96

Multiple Airlines

Pick Dates

Deal found 1/26

Feb 14 - Feb 16
SFO

San Francisco

SEA

Seattle/Tacoma Intl

1 stop

9h 18m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 10m
$97

Multiple Airlines

Pick Dates

Deal found 1/26

Cheap Alaska Airlines flights from San Francisco to Seattle

Feb 23 - Feb 28
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 14m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 05m
$98

Alaska Airlines

Pick Dates

Deal found 1/26

Feb 11 - Feb 14
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 14m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 06m
$101

Alaska Airlines

Pick Dates

Deal found 1/24

Mar 4 - Mar 4
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 14m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 08m
$103

Alaska Airlines

Pick Dates

Deal found 1/24

  • Alaska Airlines is one of the most popular airlines used for those traveling from San Francisco to Seattle. Flights on this route from Alaska Airlines typically cost $208.61 RT, a price that is 47% cheaper than the average San Francisco to Seattle flight. The cheapest flight found was $89 RT. San Francisco Airport is the most common San Francisco airport to take off from when flying to Seattle. Seattle/Tacoma Intl Airport is the most popular arrival airport in Seattle. When flying from San Francisco to Seattle, Alaska Airlines flights are 40% more popular than any other airline flying that same route.

Cheap United Airlines flights from San Francisco to Seattle

Mar 7 - Mar 14
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 14m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 07m
$110

United Airlines

Pick Dates

Deal found 1/25

Apr 4 - Apr 12
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 21m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 13m
$122

United Airlines

Pick Dates

Deal found 1/26

Feb 18 - Feb 20
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 15m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 07m
$129

United Airlines

Pick Dates

Deal found 1/25

  • If you’re traveling from San Francisco to Seattle, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $214.75 RT. This price is typically 51% more expensive than other airlines that offer San Francisco to Seattle flights. When booking this route, the cheapest RT price found was $89. The most popular departure airport in San Francisco when flying to Seattle is San Francisco Airport. The most popular airport to fly into when visiting Seattle is Seattle/Tacoma Intl Airport. When flying from San Francisco to Seattle, United Airlines flights are 39% more popular than any other airline flying that same route.

Non-stop flights to Seattle from San Francisco

Save time with San Francisco to Seattle direct flight deals
Feb 23 - Feb 25
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 13m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 07m
$97

Multiple Airlines

Pick Dates

Deal found 1/26

Feb 23 - Feb 28
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 14m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 05m
$98

Alaska Airlines

Pick Dates

Deal found 1/26

Feb 8 - Feb 13
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 15m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 06m
$100

Alaska Airlines

Pick Dates

Deal found 1/26

Last minute flights from San Francisco to Seattle

Late deals on return flights to Seattle from San Francisco, departing today and this week
Feb 2 - Feb 7
SFO

San Francisco

SEA

Seattle/Tacoma Intl

1 stop

9h 12m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

1 stop

9h 29m
$137

Frontier

Pick Dates

Deal found 1/26

Jan 31 - Feb 2
SFO

San Francisco

SEA

Seattle/Tacoma Intl

1 stop

9h 18m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

1 stop

9h 29m
$159

Frontier

Pick Dates

Deal found 1/24

Jan 31 - Feb 2
SFO

San Francisco

SEA

Seattle/Tacoma Intl

1 stop

15h 09m
SEA

Seattle/Tacoma Intl

SFO

San Francisco

1 stop

9h 29m
$166

Frontier

Pick Dates

Deal found 1/25

One-way flights to Seattle from San Francisco

The cheapest one-way flights from San Francisco to Seattle
Feb 28
SFO

San Francisco

SEA

Seattle/Tacoma Intl

1 stop

9h 02m
$43

Frontier

Pick Dates

Deal found 1/24

Mar 8
SFO

San Francisco

SEA

Seattle/Tacoma Intl

1 stop

9h 17m
$44

Frontier

Pick Dates

Deal found 1/24

Feb 9
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 27m
$49

United Airlines

Pick Dates

Deal found 1/25

Reviews of Airlines Servicing Seattle

Alaska Airlines
8.0
Very good
1,386 reviews

Comfort

8.0

Entertainment

7.1

Crew

8.6

Food

7.2

Overall

8.0

Boarding

8.2

Reviews

1 / 10

snow delayed flight. couldn't have been helped. fortunately I was not in a hurry. but DID have to drive home in a snow flurry in Kitsap area.

Alaska Airlines
8.0
Very good
1,386 reviews
Alaska Airlines
8.0
Very good
1,386 reviews

Comfort

8.0

Entertainment

7.1

Crew

8.6

Food

7.2

Overall

8.0

Boarding

8.2

Reviews

1 / 10

snow delayed flight. couldn't have been helped. fortunately I was not in a hurry. but DID have to drive home in a snow flurry in Kitsap area.

Delta
7.9
Good
2,010 reviews
Alaska Airlines
8.0
Very good
1,386 reviews

Comfort

8.0

Entertainment

7.1

Crew

8.6

Food

7.2

Overall

8.0

Boarding

8.2

Reviews

1 / 10

snow delayed flight. couldn't have been helped. fortunately I was not in a hurry. but DID have to drive home in a snow flurry in Kitsap area.

United Airlines
7.6
Good
1,147 reviews
Alaska Airlines
8.0
Very good
1,386 reviews

Comfort

8.0

Entertainment

7.1

Crew

8.6

Food

7.2

Overall

8.0

Boarding

8.2

Reviews

1 / 10

snow delayed flight. couldn't have been helped. fortunately I was not in a hurry. but DID have to drive home in a snow flurry in Kitsap area.

American Airlines
7.4
Good
1,680 reviews
Alaska Airlines
8.0
Very good
1,386 reviews

Comfort

8.0

Entertainment

7.1

Crew

8.6

Food

7.2

Overall

8.0

Boarding

8.2

Reviews

1 / 10

snow delayed flight. couldn't have been helped. fortunately I was not in a hurry. but DID have to drive home in a snow flurry in Kitsap area.

Frontier
6.1
Okay
537 reviews
Alaska Airlines
8.0
Very good
1,386 reviews

Comfort

8.0

Entertainment

7.1

Crew

8.6

Food

7.2

Overall

8.0

Boarding

8.2

Reviews

1 / 10

snow delayed flight. couldn't have been helped. fortunately I was not in a hurry. but DID have to drive home in a snow flurry in Kitsap area.

Related info for your journey

Useful info, stats and facts about San Francisco to Seattle flights.

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

Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from San Francisco. Booking flights from San Francisco (SFO) to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 50 daily flights to Seattle from 12 different airlines. 1h 56m is how long a flight from San Francisco to Seattle/Tacoma Intl will take if you book a nonstop flight.

Which airlines flying from San Francisco to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Alaska Airlines, Delta, and United Airlines flying from San Francisco to Seattle/Tacoma Intl have implemented new flexible cancellation policies.

Can I find flights from San Francisco to Seattle for under $100 on Cheapflights?

Yes, there are multiple flights from San Francisco to Seattle for under $100. The cheapest flight booked recently is on Multiple Airlines for just $96, but on average you can expect to pay $106.

Are there nonstop flights from San Francisco to Seattle for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from San Francisco to Seattle under $100. A good price for a nonstop flight from San Francisco to Seattle is less than $116.

Are there last-minute flights available from San Francisco to Seattle for under $200?

There are currently 20+ open flights from San Francisco to Seattle within the next 7 days for less than $200.

What days are nonstop flights available from San Francisco to Seattle?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

How popular is this San Francisco to Seattle flight route?

Within the past month, 158 users have taken a look at flights from San Francisco to Seattle/Tacoma Intl.

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

65 flight departures from San Francisco to Seattle per day on average.
Early Morning (Midnight to 6am) - 6% of flight departures
Morning (6am - Noon) - 26% of flight departures
Afternoon (Noon - 6pm) - 43% of flight departures
Evening (6pm - Midnight) - 25% of flight departures

How long is the flight from San Francisco to Seattle?

There are many flights that can get you from San Francisco to Seattle in 2h 14m. Fly via Alaska Airlines or United Airlines to get the fastest option. The distance from San Francisco to Seattle is about 683 mi. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from San Francisco to Seattle round-trip?

Our cheapest airline available from San Francisco to Seattle is Alaska Airlines. Our recent data shows that you can find tickets from as low as $98 on this airline. An additional option worth looking into is United Airlines, starting at $110. Alaska Airlines is currently priced 53% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from San Francisco to Seattle one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $43. United Airlines flights start at $49 while deals on Alaska Airlines start at $55 one-way.

What are the most popular airlines that fly from San Francisco to Seattle?

Undisclosed Carrier, American Airlines and Alaska Airlines are the most popular airlines when flying from San Francisco to Seattle.

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

Before booking your flight to Seattle from San Francisco, check out the most reliable airlines to get you to your destination on time: Air France (94%), Aeromexico (85%), SkyWest Airlines( 85%).

What are the cheapest flights from San Francisco to Seattle?

While on average a flight from San Francisco to Seattle is generally $418, our data shows the cheapest flight currently is $59. When looking at the most popular route, (San Francisco - Seattle/Tacoma Intl), you can expect to pay $98 for that flight.

Alternative routes for San Francisco to Seattle

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

Top 8 airlines flying from San Francisco to Seattle

The chart below displays the airlines Cheapflights users traveling from San Francisco to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$14Average$23FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
United AirlinesCheapest$79Average$237FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$89Average$215FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Alaska AirlinesCheapest$89Average$209FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
FrontierCheapest$97Average$168FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
JetBlueCheapest$149Average$307FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search JetBlue flights
American AirlinesCheapest$192Average$394FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
JSXCheapest$248Average$351FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search JSX flights

Hourly flight availability from San Francisco to Seattle

See what time of day planes typically take off from San Francisco to Seattle
11%of flight departuresEarly morningMidnight to 6 am
26%of flight departuresMorning6 am to noon
45%of flight departuresAfternoonNoon to 6 pm
18%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Francisco to Seattle

See how many times per day planes take to the skies headed from San Francisco to Seattle
Sunday35daily flights
Monday58daily flights
Tuesday37daily flights
Wednesday58daily flights
Thursday85daily flights
Friday49daily flights
Saturday30daily flights
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