Menu

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

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from San Francisco to Seattle are usually found in January or October, booked 54 days in advance, depart on a Saturday or Thursday and return on a Thursday

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

SFO - SEA
Price
$137 - $205
SEA
Temperature
46.4 - 77 °F
SEA
Rainfall
0.7 - 6.5 inches

Popular in

July

High demand for flights, 17% potential price rise

Cheapest in

January

Best time to find cheap flights, 20% potential price drop

Round-trip from

$137

From San Francisco to Seattle

One-way from

$65

One-way flight from San Francisco to Seattle

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?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Seattle. Check prices with Cheapflights to find a great deal for your trip.

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

Users have found that booking a flight from San Francisco to Seattle at least 27 days early can save you up to 59% on average compared to booking a flight this week. If booking 27 days before your flight isn’t an option for you, users have found flights from San Francisco to Seattle for as little as $137 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $198 for flights departing within the next 3 days.

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

Our data shows that February tends to be the cheapest month to fly to Seattle from San Francisco. Users have commonly found prices around $124 for the month, but tickets can be as low as $68. Due to multiple factors, prepare for potentially higher prices in July.

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 8% on flights from San Francisco to Seattle by exploring options for tickets in the morning.

Cheap flights from San Francisco to Seattle in October, November 2020

The best prices found for SFO to SEA flights for October, November
12 Nov - 16 Nov
$78pp
SFO
San Francisco
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SFO
San Francisco
14 Nov - 18 Nov
$99pp
SFO
San Francisco
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SFO
San Francisco
14 Nov - 21 Nov
$103pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
Non-Stop
SFO
San Francisco

San Francisco to Seattle 2020 flight deals

Cheap flights to Seattle from San Francisco found for this year
12 Nov - 16 Nov
$78pp
SFO
San Francisco
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SFO
San Francisco
3 Dec - 8 Dec
$97pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
14 Nov - 18 Nov
$99pp
SFO
San Francisco
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SFO
San Francisco

Non-stop flights to Seattle from San Francisco

Save time with San Francisco to Seattle direct flight deals
14 Nov - 18 Nov
$99pp
SFO
San Francisco
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SFO
San Francisco
28 Nov - 5 Dec
$108pp
SFO
San Francisco
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SFO
San Francisco
14 Nov - 14 Nov
$111pp
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
3 Nov - 9 Nov
$138pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SFO
San Francisco
4 Nov - 9 Nov
$143pp
SFO
San Francisco
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SFO
San Francisco
3 Nov - 11 Nov
$149pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco

One-way flights to Seattle from San Francisco

The cheapest one-way flights from San Francisco to Seattle
1:40 pm - 3:52 pm
United Airlines
Nonstop
2h 12m
SFO - SEA
United Airlines
$65
United
6:55 am - 3:00 pm
American Airlines
1 Stop
8h 05m
SFO - SEA
American Airlines
5:31 am - 11:34 am
Delta
1 Stop
6h 03m
SFO - SEA
Delta
$85
Delta

Related info for your journey

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

Flight FAQs

From San Francisco to Seattle

Are flight prices decreasing from San Francisco to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Francisco to Seattle/Tacoma Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines, JetBlue, and Southwest are some of the many airlines that have done so. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from San Francisco to Seattle/Tacoma Intl. Policies will vary by airline.

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 $100 on Cheapflights?

Yes, there are multiple flights from San Francisco to Seattle for under $100. The cheapest flight booked recently is on Frontier for just $78, but on average you can expect to pay $115.

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 $128.

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?

Days when nonstop flights are available for this flight are: Sunday, Tuesday, Wednesday, Thursday, Friday, Saturday.

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

Per day, 29 flights depart from San Francisco to Seattle/Tacoma Intl on average.
Morning (6am - Noon) - 41% of flight departures
Afternoon (Noon - 6pm) - 31% of flight departures
Evening (6pm - Midnight) - 28% of flight departures

Does it rain more in San Francisco or Seattle?

San Francisco will have less rainfall in 2 compared to Seattle over the next 5 days.

Is San Francisco weather warmer or cooler than Seattle?

Temperatures around the 77 °F's can be experienced in July. The weather in Seattle is hotter than in San Francisco. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from San Francisco to Seattle?

Departing from San Francisco to Seattle will take you 1h 59m. San Francisco and Seattle are separated by a distance of 683 mi. Most flights are nonstop.

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

According to our current data, Frontier ($78), Delta ($99), and Alaska Airlines ($111) offers the cheapest pricing from San Francisco to Seattle. Users have found that Frontier is 54% cheaper than the other options available to this destination.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $39. Users have also found prices from $46 and $50 on Frontier and Alaska Airlines, respectively.

Alternative routes for San Francisco to Seattle

Destination information for Seattle

Things to know before you go. Useful info for your trip from San Francisco to Seattle
Flight duration
2h 12m
Average temperature for October in Seattle
60.8 °F
Avg rainfall for October in Seattle
3.5 ″

Airports servicing San Francisco

Airports servicing Seattle

Hourly flight availability from San Francisco to Seattle

Morning 6 AM to noon 50% of SFO to SEA departures
Afternoon Noon to 6 PM 33% of SFO to SEA departures
Early morning Midnight to 6 AM 10% of SFO to SEA departures
Evening 6 PM to midnight 7% of SFO to SEA departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from San Francisco to Seattle
Sunday
23 daily flights
Monday
34 daily flights
Tuesday
23 daily flights
Wednesday
30 daily flights
Thursday
25 daily flights
Friday
31 daily flights
Saturday
24 daily flights
Home North America USA Washington Seattle Cheap flights from San Francisco to Seattle