• Sign in
Privacy Preferences
United Kingdom (English)
English

Cheap flights from San Francisco to Seattle from £54

This is the cheapest one-way flight price, found on 6/12. Prices may vary by date and flight preferences.
SFO — SEA
12 Dec — 19 Dec1
1 adult
Tue 12/12
Tue 19/12

The best prices from San Francisco to Seattle/Tacoma Intl are usually found in January or February, booked 88 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Were you looking for Flights from Seattle to San Francisco?

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

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 December 2023.

Popular in

November

Cheapest in

January

Round-trip from

£360

One-way from

£94
High demand for flights, 13% potential price rise
Best time to find cheap flights, 14% potential price drop
From San Francisco to Seattle/Tacoma Intl
One-way flight from San Francisco to Seattle/Tacoma Intl

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

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 105% when planning your travel around this day of the week.

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

Travelers have found it’s best to book a flight 37 days in advance to save up to 162% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 37 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Francisco to Seattle 1-2 weeks in advance for as low as £197, or £358 for flights within the next 24 hours.

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

Our data shows that January tends to be the cheapest month to fly to Seattle from San Francisco. Users have commonly found prices around £164 for the month, but tickets can be as low as £77. Due to multiple factors, prepare for potentially higher prices in November.

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 afternoon. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the morning.

Cheap Delta flights from San Francisco to Seattle

Explore cheap flight options specifically provided by Delta for the route between San Francisco and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 800,620 searches. Data last updated 8 December 2023.
Check out some of the cheapest Delta flights we've come across from San Francisco to Seattle. Deals update often to give you more flight options matching your criteria

Cheap Alaska Airlines flights from San Francisco to Seattle

Explore cheap flight options specifically provided by Alaska Airlines for the route between San Francisco and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 800,620 searches. Data last updated 8 December 2023.
Take a gander at the lowest prices we've found on Alaska Airlines flights from San Francisco to Seattle. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Cheap San Francisco to Seattle flights in December & January 2023

Find cheap flight options from San Francisco to Seattle specifically for the months of December and January 2023. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 800,620 searches. Prices were last updated on 8 December 2023.
The lowest fares we've come across on flights travelling from San Francisco to Seattle in December and January 2023. For more flight deals, be sure to check back very soon.

San Francisco to Seattle 2023 flight deals

Discover exclusive flight deals for travel between San Francisco and Seattle in 2023. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 800,620 searches. Data last updated 8 December 2023.
The lowest fares we've come across on flights travelling from San Francisco to Seattle in December and January 2023. For more flight deals, be sure to check back very soon.

Direct flights to Seattle from San Francisco

Discover direct flight options from San Francisco to Seattle. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 800,620 searches. Data last updated 8 December 2023.
Consider booking one of these non-stop flights heading from San Francisco to Seattle. Users seeking other options on flights from San Francisco to Seattle should update the search form at the top of the page.

San Francisco to Seattle flights leaving soon

Find last-minute flight options from San Francisco to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 800,620 searches. Data last updated 8 December 2023.
Consider one of these great deals we found on last-minute flights from San Francisco to Seattle. It's wise to confirm all flight details are correct before booking.

One-way flights to Seattle from San Francisco

Search for one-way flight options from San Francisco to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 800,620 searches. Data last updated 8 December 2023.
Users in need of a one-way flight from San Francisco to Seattle can choose from these deals. Users can also find round-trip San Francisco to Seattle flights by using the search form above.

Find flights from San Francisco to Seattle within your budget

Customise your flight search to find flights from San Francisco to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 800,620 searches. Data last updated 8 December 2023.

Fly from

Any airport

Fly to

Any airport

Budget

£106 - £255

Route

Depart

Return

Price

San FranciscoSeattle/Tacoma Intl

SFO - SEA

SFOSEA

San Francisco

Fri 9/2

Nonstop2h 15m

Seattle/Tacoma Intl

Fri 9/2

Nonstop2h 13m

£106

San FranciscoSeattle/Tacoma Intl

SFO - SEA

SFOSEA

San Francisco

Fri 12/1

Nonstop2h 15m

Seattle/Tacoma Intl

Mon 15/1

Nonstop2h 13m

£110

San FranciscoSeattle/Tacoma Intl

SFO - SEA

SFOSEA

San Francisco

Sat 10/2

Nonstop2h 15m

Seattle/Tacoma Intl

Sat 10/2

1 stop7h 34m

£113

San FranciscoSeattle/Tacoma Intl

SFO - SEA

SFOSEA

San Francisco

Tue 23/4

Nonstop2h 11m

Seattle/Tacoma Intl

Fri 26/4

Nonstop2h 11m

£114

San FranciscoSeattle/Tacoma Intl

SFO - SEA

SFOSEA

San Francisco

Thu 25/4

Nonstop2h 13m

Seattle/Tacoma Intl

Mon 29/4

Nonstop2h 12m

£118

San FranciscoSeattle/Tacoma Intl

SFO - SEA

SFOSEA

San Francisco

Sun 25/2

Nonstop2h 15m

Seattle/Tacoma Intl

Fri 1/3

Nonstop2h 25m

£118

San FranciscoSeattle/Tacoma Intl

SFO - SEA

SFOSEA

San Francisco

Mon 26/2

Nonstop2h 15m

Seattle/Tacoma Intl

Sat 2/3

1 stop5h 04m

£121

San FranciscoSeattle/Tacoma Intl

SFO - SEA

SFOSEA

San Francisco

Thu 4/1

Nonstop2h 24m

Seattle/Tacoma Intl

Mon 8/1

Nonstop2h 13m

£129

San FranciscoSeattle/Tacoma Intl

SFO - SEA

SFOSEA

San Francisco

Tue 26/3

2 stops11h 20m

Seattle/Tacoma Intl

Sun 31/3

Nonstop2h 20m

£255

Flights are sorted by cheapest first

Deals found on 6/12

Average price of flights to Seattle by month

Plan your trip from San Francisco to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from San Francisco to Seattle is currently 61.95 GBP while a return flight costs 131.41 GBP. Price data was last updated on 3 December 2023.

Currently, March is the cheapest month in which you can book a flight from San Francisco to Seattle (average of £571). Flying from San Francisco to Seattle in July is currently the most expensive (average of £769). 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.

January

£457

February

£461

March

£454

April

£477

May

£478

June

£550

July

£611

August

£585

September

£545

October

£507

November

£470

December

£474

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 8 December 2023.
Read through reviews of airlines operating flights from San Francisco to Seattle, such as Delta, Alaska Airlines and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
1,404 reviews

Food

7.2

Comfort

8.0

Boarding

8.3

Crew

8.6

Overall

8.1

Entertainment

7.2

Reviews

1 / 10

Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!

8.1
Very Good
1,404 reviews
8.1
Very Good
1,404 reviews

Food

7.2

Comfort

8.0

Boarding

8.3

Crew

8.6

Overall

8.1

Entertainment

7.2

Reviews

1 / 10

Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!

7.9
Good
3,035 reviews
8.1
Very Good
1,404 reviews

Food

7.2

Comfort

8.0

Boarding

8.3

Crew

8.6

Overall

8.1

Entertainment

7.2

Reviews

1 / 10

Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!

Southwest
7.6
Good
1,522 reviews
8.1
Very Good
1,404 reviews

Food

7.2

Comfort

8.0

Boarding

8.3

Crew

8.6

Overall

8.1

Entertainment

7.2

Reviews

1 / 10

Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!

7.4
Good
1,902 reviews
8.1
Very Good
1,404 reviews

Food

7.2

Comfort

8.0

Boarding

8.3

Crew

8.6

Overall

8.1

Entertainment

7.2

Reviews

1 / 10

Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!

7.2
Good
2,645 reviews
8.1
Very Good
1,404 reviews

Food

7.2

Comfort

8.0

Boarding

8.3

Crew

8.6

Overall

8.1

Entertainment

7.2

Reviews

1 / 10

Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!

Average temperature in Seattle by month

Plan your trip to Seattle by selecting the month that matches your preferred temperature. July sees the highest average temperature while December sees the lowest average temperature. Temperature data was last updated on 3 December 2023.

SEA

Temperature

5 - 19 °C

Average rainfall in Seattle by month

Keep in mind the precipitation totals in Seattle by selecting the month that matches your preferred temperature. Seattle sees an average of 79.67 precipitation per year with the most occurring in November. Precipitation data was last updated on 3 December 2023.

SEA

Rainfall

18 - 168 mm

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

If you book a flight from San Francisco to Seattle, you will be flying from San Francisco to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from San Francisco (SFO) take 2h 14m for a nonstop flight. There are 58 flights from San Francisco to Seattle per day from 1 airline.

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 £106, but on average you can expect to pay £128.

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 £154.

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 direct flights available from San Francisco to Seattle?

Direct flights can be found on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

How popular is this San Francisco to Seattle flight route?

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

112 flight departures from San Francisco to Seattle per day on average.
Early Morning (Midnight to 6am) - 5% of flight departures
Morning (6am - Midday) - 33% of flight departures
Afternoon (Midday - 6pm) - 35% of flight departures
Evening (6pm - Midnight) - 27% of flight departures

How long is the flight from San Francisco to Seattle?

Alaska Airlines and Delta can get you from San Francisco to Seattle in just under 2h 15m. Your travel time will be generally consistent. Airlines will cover a distance of 683 mi. Generally, flights for this route are direct.

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

Currently priced at £106, Alaska Airlines will fly you from San Francisco to Seattle and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as £110. Alaska Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

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

The cheapest airlines for a one-way flight from San Francisco to Seattle are Delta (£54), Alaska Airlines (£55), and Southwest (£94).

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Seattle on time: Air France (98%), Aeromexico (97%), American Airlines (96%).

What does SFO to SEA mean?

Great question - SFO to SEA just means San Francisco Airport to Seattle/Tacoma Intl Airport. Now you’ll know what these unique codes when you look for flights!

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.

Top airline flying from San Francisco to Seattle

Discover the top airline that operate flights from San Francisco to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 800,620 searches. Data last updated 8 December 2023.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest