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Cheap flights from San Francisco to Seattle from £53

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
4 Nov — 11 Nov1
1 adult

The best prices from San Francisco to Seattle/Tacoma Intl are usually found in January or February, booked 78 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

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 1,015,184 searches. Data last updated 30 October 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 25/12

06:00-08:20

Nonstop2h 20m

£53

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 23/11

21:29-23:44

Nonstop2h 15m

£54

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 29/11

08:00-10:22

Nonstop2h 22m

£61

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 29/1

09:00-20:10

2 stops11h 10m

£64

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 6/12

20:55-23:13

Nonstop2h 18m

Seattle/Tacoma Intl

Wed 11/12

13:59-16:16

Nonstop2h 17m

£98

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 25/11

06:05-08:30

Nonstop2h 25m

Seattle/Tacoma Intl

Wed 4/12

21:55-00:19

Nonstop2h 24m

£102

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 22/11

13:15-15:33

Nonstop2h 18m

Seattle/Tacoma Intl

Mon 25/11

05:36-07:50

Nonstop2h 14m

£111

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 10/12

16:35-23:00

1 stop6h 25m

Seattle/Tacoma Intl

Tue 17/12

08:00-15:20

1 stop7h 20m

£142

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 11/1

08:20-12:51

1 stop4h 31m

Seattle/Tacoma Intl

Sun 12/1

21:52-08:50

1 stop10h 58m

£145

Flights are sorted by cheapest first

Deals found on 30/10

Cheap flight deals from San Francisco to Seattle

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 30 October 2024.

Round-trip from

£98

One-way from

£53

Popular in

June

Cheapest in

January
Delta
  • Delta
  • 25/11-7/12
  • Nonstop
  • 4h 47m total
  • San Francisco to Seattle
Delta
  • Delta
  • 11/12
  • Nonstop
  • 2h 22m total
  • San Francisco to Seattle
High demand for flights, 18% potential price rise
Best time to find cheap flights, 16% potential price drop

Find flight deals 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 30 October 2024.

Fri 6/1220:55SFO - SEA
Nonstop2h 18mAlaska Airlines
Wed 11/1213:59SEA - SFO
Nonstop2h 17mAlaska Airlines
Deal found 29/10£98
Mon 25/1106:05SFO - SEA
Nonstop2h 25mDelta
Wed 4/1221:55SEA - SFO
Nonstop2h 24mDelta
Deal found 29/10£102
Fri 22/1113:15SFO - SEA
Nonstop2h 18mUnited Airlines
Mon 25/1105:36SEA - SFO
Nonstop2h 14mUnited Airlines
Deal found 29/10£111
Tue 10/1216:35SFO - SEA
1 stop6h 25mSouthwest
Tue 17/1208:00SEA - SFO
1 stop7h 20mSouthwest
Deal found 29/10£142

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.
Estimated return 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.

Travel insights for flights from San Francisco to Seattle

Get recent, data-driven insights about flights from San Francisco to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from San Francisco to Seattle. Price data was last updated on 25 October 2024.

To ensure you get the cheapest price possible for a flight from San Francisco to Seattle, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 £617). Flying from San Francisco to Seattle in July is currently the most expensive (average of £839). 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?

Find hourly flight availability from San Francisco to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2024.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Seattle in the morning. If you’re flexible enough to do this you can expect to save up to 4% on your trip compared to booking a flight at midday.

Weekly flight availability from San Francisco to Seattle

Explore weekly flight availability from San Francisco to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 October 2024.

The most flights from SFO to SEA are scheduled on a Monday (99 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches 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.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

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).

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 30 October 2024.
Read through reviews of airlines operating flights from San Francisco to Seattle, such as Alaska Airlines, Southwest 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
5,118 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

8.1
Very Good
5,118 reviews
8.1
Very Good
5,118 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

8.0
Very Good
9,418 reviews
8.1
Very Good
5,118 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

8.0
Very Good
8,845 reviews
8.1
Very Good
5,118 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

7.4
Good
9,249 reviews
8.1
Very Good
5,118 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

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 15m for a nonstop flight. There are 55 flights from San Francisco to Seattle per day from 1 airline.

  • How popular is this San Francisco to Seattle flight route?

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

    Currently priced at £98, Delta will fly you from San Francisco to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and United Airlines - these airlines can fly you to your destination from £101 and £116, respectively. Delta is priced at 47% 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 cheapet airlines for a one-way flight from San Francisco to Seattle are Delta (£53), United Airlines (£56), and Southwest (£60).

  • 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: Horizon Air (100%), Copa Airlines (92%), Scandinavian Airlines (89%).

  • What are the cheapest flights from San Francisco to Seattle?

    Looking at all options, your cheapest flight can be booked for £52. While the most popular route (San Francisco - Seattle/Tacoma Intl) can be booked for £75 on average our data indicates £138 when flying 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 holiday 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 £617). Flying from San Francisco to Seattle in July is currently the most expensive (average of £839). 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

Browse thousands of different options on Cheapflights for your next trip

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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 1,015,184 searches. Data last updated 30 October 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest£105Average£175FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from San Francisco today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Francisco to Seattle for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Seattle, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from San Francisco to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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