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

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The best prices from San Francisco to Seattle/Tacoma Intl are usually found in February or October, booked 26 days in advance, depart on a Wednesday or Tuesday 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 2022: compare San Francisco to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
SFO - SEA
Price
$147 - $199
SEA
Temperature
41 - 66.2 °F
SEA
Rainfall
0.7 - 6.6 inches

Popular in

December

High demand for flights, 18% potential price rise

Cheapest in

February

Best time to find cheap flights, 10% potential price drop

Round-trip from

$147

From San Francisco to Seattle/Tacoma Intl

One-way from

$119

One-way flight from San Francisco to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Francisco to Seattle?

Travelers have found that booking a Tuesday departure is the best way to save up to 14% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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 in the afternoon.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Seattle. Flights to Seattle from San Francisco in February are about $164 on average during February, but can be found for as low as $104.

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 27 days in advance, which can save you up to 178% on flights from San Francisco to Seattle compared to booking the week you need them. Waiting 27 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 $267. For sooner than that we have options available in the next 3 days from $437.

San Francisco to Seattle 2022 flight deals

Cheap flights to Seattle from San Francisco found for this year
6 Aug - 16 Aug
$137pp
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
13 Aug - 20 Aug
$138pp
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
29 Oct - 30 Oct
$154pp
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco

Non-stop flights to Seattle from San Francisco

Save time with San Francisco to Seattle direct flight deals
6 Aug - 16 Aug
$137pp
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
13 Aug - 20 Aug
$138pp
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
29 Oct - 30 Oct
$154pp
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco

Last minute flights from San Francisco to Seattle

Late deals on round-trip flights to Seattle from San Francisco, departing today and this week
29 May - 8 Jun
$238pp
SFO
San Francisco
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
29 May - 7 Jun
$248pp
SFO
San Francisco
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
29 May - 9 Jun
$258pp
SFO
San Francisco
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco

One-way flights to Seattle/Tacoma Intl from San Francisco

The cheapest one-way flights from San Francisco to Seattle
6:35 pm - 8:45 pm
United Airlines
Nonstop
2h 10m
SFO - SEA
United Airlines
$119
United
6:48 pm - 6:37 am
Frontier
1 Stop
11h 49m
SFO - SEA
Frontier
$125
Kiwi.com
4:13 pm - 6:25 pm
Delta
Nonstop
2h 12m
SFO - SEA
Delta
$134
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From San Francisco to Seattle

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 40 daily flights to Seattle from 12 different airlines. 2h 00m 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, United Airlines, and Delta 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 $200 on Cheapflights?

Yes, there are multiple flights from San Francisco to Seattle for under $200. The cheapest flight booked recently is on Alaska Airlines for just $137, but on average you can expect to pay $170.

Are there nonstop flights from San Francisco to Seattle for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from San Francisco to Seattle under $200. A good price for a nonstop flight from San Francisco to Seattle is less than $171.

Are there last-minute flights available from San Francisco to Seattle for under $300?

There are currently 20+ open flights from San Francisco to Seattle within the next 7 days for less than $300.

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, 123 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?

66 flight departures from San Francisco to Seattle per day on average.
Early Morning (Midnight to 6am) - 3% of flight departures
Morning (6am - Noon) - 15% of flight departures
Afternoon (Noon - 6pm) - 38% of flight departures
Evening (6pm - Midnight) - 44% 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 09m. Fly via Alaska Airlines, Delta, 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 $137 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $158 and $168 round-trip. Alaska Airlines is currently priced 16% 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $69. Delta flights start at $79 while deals on United Airlines start at $88 one-way.

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

Major Airline, 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: United Airlines (92%), WestJet (92%), Aeromexico( 92%).

What are the cheapest flights from San Francisco to Seattle?

While on average a flight from San Francisco to Seattle is generally $437, our data shows the cheapest flight currently is $89. When looking at the most popular route, (San Francisco - Seattle/Tacoma Intl), you can expect to pay $138 for that flight.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from San Francisco?

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to San Francisco from Seattle?

Returning to San Francisco from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to San Francisco.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering San Francisco.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for San Francisco to Seattle

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

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from San Francisco to Seattle.
Flight duration from SFO to SEA
2h 12m
Average temperature for May in Seattle
66.2 °F
Avg rainfall for May in Seattle
1.8 ″

Airports servicing San Francisco

Airports servicing Seattle

Top 9 airlines flying from San Francisco to Seattle/Tacoma Intl

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.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$13 $22 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Delta
$78 $187 No cancel fee N/A
Alaska Airlines
$78 $177 No cancel fee 75%
United Airlines
$88 $187 No cancel fee 69%
Frontier
$104 $200 No cancel fee 62%
Spirit Airlines
$120 $131 No cancel fee 65%
JetBlue
$149 $307 No cancel fee 62%
American Airlines
$194 $380 No cancel fee 71%
JSX
$248 $351 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by JSX. Please check directly on their website for additional information.

Hourly flight availability from San Francisco to Seattle

See what time of day planes typically take off from San Francisco towards Seattle.
Afternoon Noon to 6 PM 51% of SFO to SEA departures
Morning 6 AM to noon 29% of SFO to SEA departures
Evening 6 PM to midnight 15% of SFO to SEA departures
Early morning Midnight to 6 AM 5% of SFO to SEA departures
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.
Sunday
35 daily flights
Monday
46 daily flights
Tuesday
45 daily flights
Wednesday
64 daily flights
Thursday
36 daily flights
Friday
34 daily flights
Saturday
26 daily flights
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