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Cheap flights from England to Seattle from £259

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
12 Feb — 19 Feb1
1 adult
1 adult, Economy, 0 bags

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 13 January 2026.

Round-trip from

£389

One-way from

£259

Popular in

July

Cheapest in

January

Average price

£479

Good round-trip deal

£463 or less

Good one-way deal

£458 or less
British Airways
  • British Airways
  • 24/3-6/4
  • Nonstop
  • 19h 30m total
  • England to Seattle
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7/3
  • 7/3
  • 3 total stops
  • 37h 04m total
  • England to Seattle
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Highest demand for flights based on searches. 13% potential increase in price (£60 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from England to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from England to Seattle/Tacoma Intl.
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Find 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 13 January 2026.

Tue 24/309:25
LHR
-
SEA
Nonstop10h 05m
British Airways
Mon 6/420:20
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 11/1£389
Mon 19/115:00
LHR
-
SEA
2 stops15h 06m
Air Canada
Mon 2/215:40
SEA
-
LHR
1 stop12h 10m
Air Canada
Deal found 12/1£390
Tue 10/218:40
LGW
-
SEA
2 stops34h 32m
SWISS
Wed 29/410:48
SEA
-
LGW
2 stops37h 37m
SWISS
Deal found 11/1£391
Fri 10/406:30
LHR
-
SEA
1 stop13h 50m
Lufthansa
Mon 20/407:00
SEA
-
LHR
2 stops18h 40m
Lufthansa
Deal found 12/1£391
Thu 25/606:55
LHR
-
SEA
1 stop18h 04m
United Airlines
Mon 29/609:02
SEA
-
LHR
2 stops17h 08m
United Airlines
Deal found 12/1£392
Sun 15/314:30
LHR
-
SEA
1 stop14h 36m
United Airlines
Sat 21/307:15
SEA
-
LHR
1 stop17h 10m
United Airlines
Deal found 12/1£392
Mon 9/212:20
LHR
-
SEA
Nonstop10h 25m
Virgin Atlantic
Mon 16/216:55
SEA
-
LHR
Nonstop9h 35m
Virgin Atlantic
Deal found 12/1£393
Thu 25/606:55
LHR
-
SEA
1 stop18h 04m
United Airlines
Wed 1/707:30
SEA
-
LHR
1 stop18h 30m
United Airlines
Deal found 12/1£394
Mon 23/217:50
LCY
-
SEA
1 stop25h 50m
Virgin Atlantic
Mon 2/315:05
SEA
-
LCY
1 stop17h 30m
Virgin Atlantic
Deal found 11/1£395
Wed 21/1010:50
LHR
-
SEA
1 stop14h 09m
United Airlines
Sun 1/1115:10
SEA
-
LHR
1 stop16h 40m
United Airlines
Deal found 12/1£395
Tue 6/1019:15
LCY
-
SEA
2 stops31h 21m
SWISS
Thu 22/1013:45
SEA
-
LCY
2 stops19h 45m
SWISS
Deal found 11/1£395
Tue 14/406:30
LHR
-
SEA
1 stop13h 15m
Delta
Wed 29/421:45
SEA
-
LHR
Nonstop9h 50m
Delta
Deal found 12/1£395

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 13 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

Wed 11/2

18:40-22:43

2 stops36h 03m

Seattle/Tacoma Intl

Wed 29/4

10:48-08:25

2 stops37h 37m

£391

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 13/5

06:30-18:34

2 stops20h 04m

Seattle/Tacoma Intl

Wed 3/6

09:02-10:10

2 stops17h 08m

£391

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 1/5

06:30-19:00

2 stops20h 30m

Seattle/Tacoma Intl

Wed 20/5

11:15-21:00

2 stops25h 45m

£392

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 13/2

06:35-13:20

1 stop14h 45m

Seattle/Tacoma Intl

Thu 19/2

06:45-07:30

1 stop16h 45m

£393

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 27/4

06:30-11:45

1 stop13h 15m

Seattle/Tacoma Intl

Mon 11/5

18:20-12:10

Nonstop9h 50m

£395

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 14/4

09:55-16:30

1 stop14h 35m

Seattle/Tacoma Intl

Tue 5/5

21:45-15:35

Nonstop9h 50m

£395

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 25/2

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Wed 4/3

16:45-10:30

Nonstop9h 45m

£397

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 25/2

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Wed 4/3

16:45-10:30

Nonstop9h 45m

£397

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 2/2

14:30-16:35

Nonstop10h 05m

Seattle/Tacoma Intl

Tue 17/2

18:25-11:55

Nonstop9h 30m

£397

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 11/2

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Wed 18/2

16:55-10:30

Nonstop9h 35m

£398

Flights are sorted by cheapest return flights first.

Deals found on 12/1

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 £302). 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 13 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 13 January 2026.

The most flights from GBENG to SEA are scheduled on a Tuesday (21 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 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?

    SWISS, United Airlines, and KLM can get you from England to Seattle in just under 13h 15m. Your travel time can differ by up to 22h 48m. 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 (£343), and Virgin Atlantic (£345).

  • 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: Scandinavian Airlines (95%), KLM (95%), Air France (95%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,563 for a flight from England to Seattle. The cheapest flight overall is £383 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £323.

  • 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 £302). 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
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.
Heathrow to Seattle flights
Gatwick to Seattle flights
London City to Seattle flights
Stansted to Seattle flights
Heathrow to Portland flights
Luton to Seattle flights
Manchester to Seattle flights
Edinburgh to Seattle flights
Gatwick to Portland flights
London City to Portland flights
Stansted to Portland flights
Manchester to Portland flights
Southampton to Seattle flights
Birmingham to Seattle flights
Heathrow to Pasco flights
Glasgow Intl to Portland flights
Luton to Portland flights
Heathrow to Spokane flights
Leeds to Seattle flights
Bristol to Seattle flights
Gatwick to Spokane flights
Glasgow Intl to Seattle flights
Edinburgh to Portland flights
Belfast Intl to Seattle flights
Edinburgh to Pasco flights
Birmingham to Portland flights
Manchester to Spokane flights
Newcastle upon Tyne to Seattle flights
Leeds to Portland flights
Newquay to Seattle flights
Birmingham to Spokane flights
London City to Spokane flights
Grimsby to Portland flights
Bristol to Portland flights
Southend to Seattle 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 13 January 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£335Average£540FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£351Average£504FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£362Average£569FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£390Average£746FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£404Average£599FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£416Average£745FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£420Average£497FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£421Average£636FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£431Average£643FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£436Average£572FlexibilityNo cancel feeOn-time76%
Search Finnair 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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