Cheap flights from England to Seattle from £260

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from England to Seattle

Keep the following information in mind while searching for England to Seattle flight deals. Data was last updated 15 September 2025.

Round-trip from

£445

One-way from

£260

Popular in

July

Cheapest in

January

Average price

£499

Good round-trip deal

£515 or less

Good one-way deal

£583 or less
British Airways
  • British Airways
  • 10/3-17/3
  • 1 total stop
  • 23h 54m total
  • England to Seattle
8/11
  • 8/11
  • 2 total stops
  • 30h 05m total
  • England to Seattle
Highest demand for flights based on searches. 13% potential increase in price (£61 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from England to Seattle/Tacoma Intl.
Price to beat on a one-way flight from England to Seattle/Tacoma Intl.

Find flight deals from England to Seattle

Cheapest flights from England to Seattle
Explore the most affordable flight options available from England to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Mon 22/919:45LHR - SEA
1 stop23h 30mVirgin Atlantic
Mon 6/1017:35SEA - LHR
Nonstop9h 45mVirgin Atlantic
Deal found 14/9£445
Wed 8/1006:30LHR - SEA
2 stops15h 46mMultiple Airlines
Tue 14/1010:00SEA - LHR
2 stops15h 35mMultiple Airlines
Deal found 13/9£446
Tue 7/1015:40LGW - SEA
1 stop13h 00mIcelandair
Mon 13/1015:45SEA - LGW
1 stop14h 50mIcelandair
Deal found 13/9£448
Mon 29/919:05LHR - SEA
2 stops25h 29mFinnair
Sun 5/1000:34SEA - LHR
2 stops21h 46mFinnair
Deal found 14/9£448
Mon 22/919:30LHR - SEA
2 stops33h 12mAustrian Airlines
Mon 6/1007:00SEA - LHR
1 stop15h 20mAustrian Airlines
Deal found 13/9£448
Tue 2/1214:55LHR - SEA
Nonstop10h 00mBritish Airways
Tue 9/1218:50SEA - LHR
Nonstop9h 30mBritish Airways
Deal found 14/9£450
Mon 29/915:40LGW - SEA
1 stop13h 00mIcelandair
Mon 6/1019:00SEA - LGW
1 stop11h 35mIcelandair
Deal found 14/9£451
Mon 3/1120:35LHR - SEA
1 stop28h 25mIcelandair
Sat 14/315:35SEA - LHR
1 stop20h 55mIcelandair
Deal found 14/9£451
Wed 15/1008:40LHR - SEA
2 stops17h 56mMultiple Airlines
Wed 22/1007:00SEA - LHR
2 stops15h 30mMultiple Airlines
Deal found 13/9£453
Wed 29/1012:20LHR - SEA
Nonstop10h 25mVirgin Atlantic
Wed 5/1116:48SEA - LHR
Nonstop9h 42mVirgin Atlantic
Deal found 13/9£453
Sun 19/1015:40LGW - SEA
1 stop34h 10mIcelandair
Mon 27/1015:35SEA - LGW
1 stop12h 20mIcelandair
Deal found 14/9£454
Tue 28/1015:00LHR - SEA
2 stops25h 31mAir Canada
Tue 4/1110:05SEA - LHR
1 stop17h 45mAir Canada
Deal found 12/9£454

Cheapflights Fare Finder

 
Customise your flight search to find flights from England 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 858,174 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from England to Seattle that are best for you.

Fly from

England

Fly to

Seattle

Route

Depart

Return

Price

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 6/11

07:30-18:10

2 stops18h 40m

Seattle/Tacoma Intl

Thu 13/11

19:13-21:20

2 stops18h 07m

£450

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 6/10

06:30-14:16

2 stops15h 46m

Seattle/Tacoma Intl

Mon 27/10

15:40-11:50

1 stop13h 10m

£457

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 13/10

06:30-11:55

1 stop13h 25m

Seattle/Tacoma Intl

Mon 20/10

10:50-11:25

2 stops16h 35m

£457

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 8/10

06:30-16:05

1 stop17h 35m

Seattle/Tacoma Intl

Tue 14/10

17:35-11:20

Nonstop9h 45m

£462

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 8/10

06:30-11:50

1 stop13h 20m

Seattle/Tacoma Intl

Tue 14/10

20:25-14:15

Nonstop9h 50m

£462

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 2/12

11:45-11:50

1 stop32h 05m

Seattle/Tacoma Intl

Wed 18/2

16:55-10:30

Nonstop9h 35m

£462

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 28/9

13:05-14:24

2 stops33h 19m

Seattle/Tacoma Intl

Sun 12/10

17:31-09:35

2 stops32h 04m

£462

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 5/1

13:30-11:32

2 stops30h 02m

Seattle/Tacoma Intl

Sun 11/1

06:03-07:25

1 stop17h 22m

£462

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 30/10

05:55-18:00

2 stops19h 05m

Seattle/Tacoma Intl

Thu 13/11

14:35-19:45

2 stops21h 10m

£464

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 28/10

10:05-19:27

1 stop16h 22m

Seattle/Tacoma Intl

Tue 4/11

13:25-07:00

Nonstop9h 35m

£465

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 60 results
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Best time to book a flight from England to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from England 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.

Cheapflights Insights

Everything you need to know about your flight from England to Seattle

What is the cheapest month to book a flight from England to Seattle?

Currently, January is the cheapest month in which you can book a flight from England to Seattle (average of £622). Flying from England to Seattle in July is currently the most expensive (average of £946). 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 ENG to SEA?

Find hourly flight availability from England 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 15 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from England to Seattle as you normally would.

Weekly flight availability from England to Seattle

Explore weekly flight availability from England 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 15 September 2025.

The most flights from GBENG to SEA are scheduled on a Monday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (15 on average).

Related info for your journey

Find useful and relevant information for your journey from England to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Seattle from England?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from England to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How long is the flight from England to Seattle?

    United Airlines, Delta, and Icelandair can get you from England to Seattle in just under 12h 40m. Your travel time can differ by up to 6h. Airlines will cover a distance of 4468 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from England to Seattle one-way?

    The cheapet airlines for a one-way flight from England to Seattle are British Airways (£387), American Airlines (£390), and Finnair (£420).

  • What are the most popular routes from England to Seattle?

  • What are the most reliable airlines from England 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 England to Seattle on time: Scandinavian Airlines (93%), KLM (89%), Air France (89%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,528 for a flight from England to Seattle. The cheapest flight overall is £458 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £378.

  • Can I find deals for flights from England to Seattle that include hotel bookings?

    Yes. In addition to deals on England to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from England to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from England to Seattle.

  • Can I find deals for business class flights from England to Seattle?

    Yes. Cheapflights offers flight deals from England 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 England to Seattle?

    Currently, January is the cheapest month in which you can book a flight from England to Seattle (average of £622). Flying from England to Seattle in July is currently the most expensive (average of £946). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell
SeaTac

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Top 10 airlines flying from England to Seattle

Discover the top 10 airlines that operate flights from England 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 858,174 searches. Data last updated 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£322Average£520FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£381Average£662FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£391Average£558FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£393Average£570FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£400Average£604FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£401Average£633FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£402Average£740FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£423Average£625FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£434Average£593FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£437Average£632FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from England 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 England today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from England to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Seattle from England shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from England today and book when prices fit your budget.

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