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Cheap flights from England to Seattle from £277

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
21 Feb — 28 Feb1
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 22 January 2026.

Tue 19/515:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Tue 2/615:40
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 21/1£374
Fri 15/513:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Sat 23/515:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 21/1£374
Thu 5/211:55
LGW
-
SEA
1 stop13h 05m
Icelandair
Mon 9/214:35
SEA
-
LGW
1 stop12h 20m
Icelandair
Deal found 21/1£374
Thu 29/106:30
LHR
-
SEA
1 stop13h 40m
Lufthansa
Wed 4/215:10
SEA
-
LHR
1 stop13h 50m
Lufthansa
Deal found 21/1£374
Mon 2/211:55
LGW
-
SEA
1 stop13h 05m
Icelandair
Sun 8/214:35
SEA
-
LGW
1 stop12h 20m
Icelandair
Deal found 21/1£375
Fri 12/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Fri 19/619:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 21/1£376
Thu 5/307:30
LHR
-
SEA
2 stops18h 34m
United Airlines
Tue 17/305:00
SEA
-
LHR
1 stop19h 25m
United Airlines
Deal found 21/1£376
Wed 18/212:20
LHR
-
SEA
Nonstop10h 25m
Virgin Atlantic
Mon 23/206:00
SEA
-
LHR
1 stop18h 45m
Virgin Atlantic
Deal found 21/1£377
Tue 17/220:15
LHR
-
SEA
1 stop25h 05m
Lufthansa
Tue 24/209:55
SEA
-
LHR
2 stops16h 15m
Lufthansa
Deal found 20/1£377
Sat 31/111:55
LGW
-
SEA
1 stop13h 05m
Icelandair
Mon 9/214:35
SEA
-
LGW
1 stop12h 20m
Icelandair
Deal found 21/1£378
Mon 2/211:45
LHR
-
SEA
1 stop31h 55m
Virgin Atlantic
Mon 16/207:30
SEA
-
LHR
1 stop16h 20m
Virgin Atlantic
Deal found 21/1£378
Mon 2/211:55
LGW
-
SEA
1 stop13h 05m
Icelandair
Fri 6/214:35
SEA
-
LGW
1 stop12h 20m
Icelandair
Deal found 21/1£379

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 22 January 2026.

Round-trip from

£373

One-way from

£277

Popular in

July

Cheapest in

February

Average price

£479

Good round-trip deal

£458 or less

Good one-way deal

£459 or less
Icelandair
  • Icelandair
  • 2/5-23/5
  • 2 total stops
  • 27h 45m total
  • England to Seattle
Search Deals
24/2
  • 24/2
  • 3 total stops
  • 57h 53m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 22 January 2026.
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

LGW - SEA

LGWSEA

London Gatwick

Sat 2/5

13:00-20:40

1 stop15h 40m

Seattle/Tacoma Intl

Sat 23/5

15:40-11:45

1 stop12h 05m

£373

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 5/2

06:30-12:10

1 stop13h 40m

Seattle/Tacoma Intl

Mon 9/2

08:10-07:30

2 stops39h 20m

£376

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 30/4

09:25-23:29

2 stops22h 04m

Seattle/Tacoma Intl

Tue 12/5

09:55-17:50

2 stops23h 55m

£380

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 2/2

06:30-12:10

1 stop13h 40m

Seattle/Tacoma Intl

Tue 17/2

09:55-11:50

1 stop17h 55m

£381

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 31/1

20:05-21:12

2 stops33h 07m

Seattle/Tacoma Intl

Mon 9/2

12:35-17:50

2 stops21h 15m

£382

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 10/3

06:30-13:10

1 stop13h 40m

Seattle/Tacoma Intl

Tue 17/3

08:59-08:25

2 stops16h 26m

£382

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 16/2

06:30-11:40

1 stop13h 10m

Seattle/Tacoma Intl

Mon 23/2

16:55-10:30

Nonstop9h 35m

£384

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 28/1

06:30-11:50

1 stop13h 20m

Seattle/Tacoma Intl

Wed 25/2

16:55-10:30

Nonstop9h 35m

£385

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 28/1

06:30-11:50

1 stop13h 20m

Seattle/Tacoma Intl

Mon 23/2

16:55-10:30

Nonstop9h 35m

£385

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 10/3

06:30-12:35

1 stop13h 05m

Seattle/Tacoma Intl

Tue 17/3

17:40-10:30

Nonstop9h 50m

£385

Flights are sorted by cheapest return flights first.

Deals found on 21/1

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, March is the cheapest month in which you can book a flight from England to Seattle (average of £303). Flying from England to Seattle in August is currently the most expensive (average of £459). 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 22 January 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 22 January 2026.

The most flights from GBENG to SEA are scheduled on a Tuesday (17 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 on average).

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

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?

    Icelandair, United Airlines, and SWISS can get you from England to Seattle in just under 13h 40m. Your travel time can differ by up to 8h 24m. 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 WestJet (£330), British Airways (£344), and Virgin Atlantic (£346).

  • 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 City - 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: KLM (89%), Air France (89%), Delta (89%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,573 for a flight from England to Seattle. The cheapest flight overall is £399 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £315.

  • 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, March is the cheapest month in which you can book a flight from England to Seattle (average of £303). Flying from England to Seattle in August is currently the most expensive (average of £459). 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
Federal Way
SeaTac

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Alternative routes for England to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Gatwick to Seattle flights
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Stansted to Seattle flights
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London City to Portland flights
Stansted to Portland flights
Heathrow to Pasco flights
Edinburgh to Seattle flights
Birmingham to Seattle flights
Heathrow to Spokane flights
Leeds to Seattle flights
Manchester to Portland flights
Bristol to Seattle flights
Southampton to Seattle flights
Luton to Portland flights
Newcastle upon Tyne to Seattle flights
Gatwick to Spokane flights
Belfast Intl to Seattle flights
Belfast City to Seattle flights
Glasgow Intl to Portland flights
Glasgow Intl to Seattle flights
Leeds to Portland flights
Bristol to Portland flights
Edinburgh to Pasco flights
Edinburgh to Portland flights
Newquay to Seattle flights
Southend to Seattle flights
Birmingham to Portland flights
Manchester to Spokane flights
London City to Spokane flights
Birmingham to Spokane flights
Grimsby to Portland flights
Heathrow to Bellingham flights

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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£335Average£542FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£347Average£500FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£362Average£575FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£417Average£746FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£420Average£498FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£420Average£752FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£429Average£601FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£430Average£637FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£430Average£645FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£436Average£596FlexibilityNo cancel feeOn-time76%
Search Finnair 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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