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Cheap flights from England to Seattle from £285

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
30 Aug — 6 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from England to Seattle

Enter your travel dates to find the best prices.

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 31 July 2026.

Mon 19/1021:25
LHR
-
SEA
1 stop31h 15m
Icelandair
Tue 27/1015:35
SEA
-
LHR
1 stop20h 55m
Icelandair
Deal found 26/7£449
Wed 4/1112:15
LHR
-
SEA
1 stop12h 45m
Multiple Airlines
Mon 23/1108:31
SEA
-
LHR
2 stops15h 34m
Multiple Airlines
Deal found 29/7£451
Mon 2/1120:35
LHR
-
SEA
1 stop28h 25m
Multiple Airlines
Tue 24/1108:31
SEA
-
LHR
2 stops15h 34m
Multiple Airlines
Deal found 29/7£451
Sat 3/1010:35
LHR
-
SEA
1 stop18h 26m
United Airlines
Sat 3/1023:14
SEA
-
LHR
1 stop23h 41m
United Airlines
Deal found 27/7£452
Sat 26/916:15
LHR
-
SEA
1 stop25h 48m
United Airlines
Sun 27/913:00
SEA
-
LHR
1 stop23h 40m
United Airlines
Deal found 28/7£454
Thu 24/916:55
STN
-
SEA
2 stops28h 50m
Multiple Airlines
Fri 2/1015:55
SEA
-
STN
2 stops20h 35m
Multiple Airlines
Deal found 26/7£456
Fri 2/1013:00
LHR
-
SEA
1 stop16h 01m
United Airlines
Fri 2/1023:14
SEA
-
LHR
1 stop23h 41m
United Airlines
Deal found 28/7£456
Tue 6/1015:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Mon 12/1019:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 30/7£457
Wed 28/1012:15
LHR
-
SEA
1 stop12h 45m
Icelandair
Thu 5/1114:35
SEA
-
LHR
1 stop12h 15m
Icelandair
Deal found 29/7£457
Tue 1/916:30
LHR
-
SEA
Nonstop9h 55m
British Airways
Sat 12/913:30
SEA
-
LHR
Nonstop9h 15m
British Airways
Deal found 27/7£457
Tue 8/915:40
LGW
-
SEA
1 stop34h 15m
Icelandair
Tue 15/919:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 26/7£459
Tue 8/910:45
STN
-
SEA
2 stops33h 00m
Multiple Airlines
Tue 15/919:00
SEA
-
STN
2 stops21h 10m
Multiple Airlines
Deal found 26/7£459

Find flight deals from England to Seattle

Keep the following information in mind while searching for England to Seattle flight deals. Data was last updated 31 July 2026.

Round-trip from

£449

One-way from

£285

Popular in

December

Cheapest in

February

Average price

£621

Good round-trip deal

£521 or less

Good one-way deal

£419 or less
Icelandair
  • Icelandair
  • 19/10-27/10
  • 2 total stops
  • 52h 10m total
  • England to Seattle
Search Deals
23/9
  • 23/9
  • 3 total stops
  • 58h 55m total
  • England to Seattle
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from England to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from England to Seattle/Tacoma Intl.
Search Deals

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 31 July 2026.
Use the filters below to find and compare flights from England to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 26/9

08:00-18:44

2 stops18h 44m

Seattle/Tacoma Intl

Sun 27/9

10:50-09:00

1 stop14h 10m

£460

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 4/11

12:15-17:00

1 stop12h 45m

Seattle/Tacoma Intl

Sun 8/11

14:35-10:50

1 stop12h 15m

£521

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 2/9

13:00-23:26

1 stop18h 26m

Seattle/Tacoma Intl

Thu 3/9

22:58-21:25

1 stop14h 27m

£536

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 21/10

15:40-17:55

1 stop34h 15m

Seattle/Tacoma Intl

Sun 25/10

19:10-13:40

1 stop11h 30m

£542

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 27/10

12:20-15:54

Nonstop10h 34m

Seattle/Tacoma Intl

Sun 8/11

16:50-10:40

Nonstop9h 50m

£542

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 9/9

06:30-16:35

1 stop18h 05m

Seattle/Tacoma Intl

Wed 16/9

17:30-11:20

Nonstop9h 50m

£546

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 4/10

11:40-14:00

Nonstop10h 20m

Seattle/Tacoma Intl

Mon 12/10

13:30-10:00

1 stop12h 30m

£551

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 10/9

12:20-17:10

1 stop12h 50m

Seattle/Tacoma Intl

Thu 17/9

19:10-16:05

1 stop12h 55m

£551

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 16/9

08:55-16:42

1 stop15h 47m

Seattle/Tacoma Intl

Fri 25/9

13:30-06:45

Nonstop9h 15m

£555
Fastest return journey

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 23/11

14:45-16:50

Nonstop10h 05m

Seattle/Tacoma Intl

Wed 20/1

18:55-12:20

Nonstop9h 25m

£557

Flights are sorted by cheapest return flights first.

Deals found on 28/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from England to Seattle (average of £500). Flying from England to Seattle in December is currently the most expensive (average of £654). 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 31 July 2026.

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 31 July 2026.

The most flights from GBENG to SEA are scheduled on a Wednesday (24 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost for a return flight from England to Seattle?

Airfare is below average for this route at the moment.
England to Seattle flights typically cost between £530 and £697 in October.
The cheapest return price found within the last 5 days was £449 on Icelandair (19 Oct–27 Oct).

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

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from England to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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, Icelandair, and Delta can get you from England to Seattle in just under 10h 34m. Your travel time can differ by up to 8h 10m. Airlines will cover a distance of 4783 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 (£316), Icelandair (£354), and Virgin Atlantic (£367).

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

    The most popular route from England to Seattle is London Heathrow - Seattle/Tacoma Intl. You may also consider London Gatwick - Seattle/Tacoma Intl or London Stansted - Seattle/Tacoma Intl.

  • 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 (88%), KLM (79%), Air France (79%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,626 for a flight from England to Seattle. The cheapest flight overall is £326 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £413.

  • 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, February is the cheapest month in which you can book a flight from England to Seattle (average of £500). Flying from England to Seattle in December is currently the most expensive (average of £654). 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
Federal Way
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 31 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£270Average£638FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£335Average£541FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£341Average£516FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£363Average£618FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£392Average£689FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£431Average£673FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£436Average£643FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£442Average£645FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£451Average£715FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£462Average£686FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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