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Cheap flights from England to Seattle from £288

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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 14 November 2025.

Wed 19/1111:55LGW - SEA
1 stop13h 05mIcelandair
Wed 31/1214:35SEA - LGW
1 stop12h 20mIcelandair
Deal found 13/11£474
Wed 24/1211:55LGW - SEA
1 stop13h 05mIcelandair
Tue 6/114:35SEA - LGW
1 stop12h 20mIcelandair
Deal found 13/11£476
Sat 6/1211:55LGW - SEA
1 stop13h 05mIcelandair
Tue 6/114:35SEA - LGW
1 stop12h 20mIcelandair
Deal found 12/11£477
Thu 4/1220:35LHR - SEA
1 stop28h 25mIcelandair
Tue 6/114:35SEA - LHR
1 stop20h 55mIcelandair
Deal found 12/11£480
Sat 6/1212:15LHR - SEA
1 stop12h 45mIcelandair
Tue 6/114:35SEA - LHR
1 stop20h 55mIcelandair
Deal found 12/11£480
Tue 16/1220:35LHR - SEA
1 stop28h 25mIcelandair
Thu 15/114:35SEA - LHR
1 stop12h 15mIcelandair
Deal found 13/11£482
Tue 16/1220:35LHR - SEA
1 stop28h 25mIcelandair
Mon 5/114:35SEA - LHR
1 stop12h 15mIcelandair
Deal found 13/11£486
Tue 2/1220:35LHR - SEA
1 stop28h 25mIcelandair
Sat 6/1214:35SEA - LHR
1 stop20h 55mIcelandair
Deal found 13/11£489
Mon 8/1208:30STN - SEA
1 stop17h 50mMultiple Airlines
Sun 14/1220:05SEA - STN
1 stop12h 30mMultiple Airlines
Deal found 12/11£490
Sun 23/1120:35LHR - SEA
1 stop28h 25mIcelandair
Sun 30/1114:35SEA - LHR
1 stop12h 15mIcelandair
Deal found 12/11£490
Mon 8/1209:40LGW - SEA
1 stop16h 40mMultiple Airlines
Sun 14/1220:05SEA - LGW
1 stop13h 05mMultiple Airlines
Deal found 12/11£494
Tue 18/1120:35LHR - SEA
1 stop28h 25mIcelandair
Wed 31/1214:35SEA - LHR
1 stop12h 15mIcelandair
Deal found 12/11£496

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 14 November 2025.

Round-trip from

£452

One-way from

£288

Popular in

July

Cheapest in

January

Average price

£544

Good round-trip deal

£559 or less

Good one-way deal

£489 or less
Icelandair
  • Icelandair
  • 9/3-16/3
  • 2 total stops
  • 25h 15m total
  • England to Seattle
Search Deals
3/5
  • 3/5
  • 3 total stops
  • 38h 14m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 14 November 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

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 9/3

11:55-18:00

1 stop13h 05m

Seattle/Tacoma Intl

Tue 17/3

15:35-10:45

1 stop12h 10m

£478

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 11/3

11:55-18:00

1 stop13h 05m

Seattle/Tacoma Intl

Tue 17/3

15:35-10:45

1 stop12h 10m

£478

EdinburghSeattle

EDI - SEA

EDISEA

Edinburgh Turnhouse

Thu 5/3

11:20-17:00

1 stop13h 40m

Seattle/Tacoma Intl

Mon 9/3

15:35-10:20

1 stop11h 45m

£480

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 16/12

20:35-17:00

1 stop28h 25m

Seattle/Tacoma Intl

Thu 15/1

14:35-10:50

1 stop12h 15m

£482

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 16/12

20:35-17:00

1 stop28h 25m

Seattle/Tacoma Intl

Wed 14/1

14:35-19:30

1 stop20h 55m

£483

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 13/2

14:55-16:55

Nonstop10h 00m

Seattle/Tacoma Intl

Thu 19/2

13:39-11:35

1 stop13h 56m

£495

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 21/1

12:20-14:53

Nonstop10h 33m

Seattle/Tacoma Intl

Sat 24/1

22:59-06:25

1 stop23h 26m

£499

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 13/1

13:00-10:26

1 stop29h 26m

Seattle/Tacoma Intl

Thu 29/1

23:10-10:00

1 stop26h 50m

£511

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 2/2

08:40-20:46

2 stops20h 06m

Seattle/Tacoma Intl

Tue 10/2

07:10-08:10

2 stops17h 00m

£518

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 15/1

20:05-11:50

1 stop23h 45m

Seattle/Tacoma Intl

Thu 22/1

15:10-16:35

1 stop17h 25m

£519

Flights are sorted by cheapest return flights first.

Deals found on 12/11

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 £310). Flying from England to Seattle in December is currently the most expensive (average of £473). 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 14 November 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 14% on flights from England to Seattle by exploring options for tickets in the afternoon.

What is the cheapest day to fly from England to Seattle?

Use this chart to determine the cheapest time to fly return from England to Seattle. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their England to Seattle flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 14 November 2025.

The most flights from GBENG to SEA are scheduled on a Thursday (15 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 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, British Airways, and Delta can get you from England to Seattle in just under 10h. Your travel time can differ by up to 3h 05m. 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 Air Canada (£413), Lufthansa (£425), and Aer Lingus (£426).

  • 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 (97%), Air France (89%), KLM (88%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,555 for a flight from England to Seattle. The cheapest flight overall is £422 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £366.

  • 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 £310). Flying from England to Seattle in December is currently the most expensive (average of £473). 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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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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Edinburgh to Portland flights
Leeds to Portland flights
London City to Spokane flights
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Heathrow to Pasco flights
Newquay to Seattle flights
Grimsby to Portland flights
Birmingham to Spokane flights
Edinburgh to Pasco flights
Bristol to Portland flights
Heathrow to Bellingham flights
Southend to Seattle 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£350Average£529FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£393Average£762FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£406Average£597FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£407Average£576FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£411Average£623FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£414Average£650FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£449Average£646FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£450Average£651FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£451Average£634FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£454Average£648FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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