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Cheap flights from England to Seattle from £289

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
27 Jan — 3 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 28 December 2025.

Tue 30/1215:00LHR - SEA
1 stop16h 08mBritish Airways
Tue 13/108:35SEA - LHR
1 stop19h 40mBritish Airways
Deal found 26/12£717
Tue 30/1215:00LHR - SEA
1 stop17h 57mBritish Airways
Wed 7/111:55SEA - LHR
1 stop36h 40mBritish Airways
Deal found 26/12£717
Tue 30/1215:00LHR - SEA
1 stop17h 57mBritish Airways
Sun 4/107:07SEA - LHR
1 stop18h 53mBritish Airways
Deal found 26/12£729
Mon 29/1214:55LHR - SEA
Nonstop10h 00mAmerican Airlines
Tue 13/111:55SEA - LHR
1 stop14h 05mAmerican Airlines
Deal found 26/12£739
Mon 29/1214:55LHR - SEA
Nonstop10h 00mAmerican Airlines
Fri 16/112:45SEA - LHR
1 stop15h 15mAmerican Airlines
Deal found 26/12£740
Tue 30/1210:15LHR - SEA
1 stop19h 49mBritish Airways
Thu 8/114:10SEA - LHR
2 stops58h 15mBritish Airways
Deal found 26/12£745
Mon 29/1213:25LHR - SEA
2 stops28h 06mAir Canada
Fri 16/115:40SEA - LHR
1 stop12h 10mAir Canada
Deal found 26/12£769
Mon 29/1214:55LHR - SEA
Nonstop10h 00mBritish Airways
Sat 17/118:50SEA - LHR
Nonstop9h 30mBritish Airways
Deal found 26/12£774
Mon 29/1211:55LHR - SEA
1 stop17h 16mBritish Airways
Sun 18/111:55SEA - LHR
1 stop15h 45mBritish Airways
Deal found 26/12£777
Fri 26/1209:25LHR - SEA
Nonstop10h 05mAmerican Airlines
Wed 31/1211:20SEA - LHR
1 stop12h 55mAmerican Airlines
Deal found 26/12£780
Mon 29/1219:10LCY - SEA
2 stops35h 37mSWISS
Tue 13/110:58SEA - LCY
2 stops17h 57mSWISS
Deal found 26/12£833
Mon 29/1219:10LCY - SEA
2 stops35h 37mSWISS
Thu 15/110:58SEA - LCY
2 stops40h 42mSWISS
Deal found 26/12£834

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 28 December 2025.

Round-trip from

£410

One-way from

£289

Popular in

July

Cheapest in

February

Average price

£632

Good round-trip deal

£502 or less

Good one-way deal

£460 or less
Air Canada
  • Air Canada
  • 24/1-28/1
  • 2 total stops
  • 37h 36m total
  • England to Seattle
Search Deals
8/2
  • 8/2
  • 2 total stops
  • 51h 19m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 13% 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 December 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 28 December 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 22/1

14:30-09:15

1 stop26h 45m

Seattle/Tacoma Intl

Mon 26/1

08:40-09:10

2 stops16h 30m

£410

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 12/1

06:00-22:43

2 stops24h 43m

Seattle/Tacoma Intl

Mon 26/1

12:35-17:50

2 stops21h 15m

£412

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 14/1

09:20-21:12

2 stops19h 52m

Seattle/Tacoma Intl

Sun 1/2

12:35-17:10

2 stops20h 35m

£413

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 6/2

06:30-11:40

1 stop13h 10m

Seattle/Tacoma Intl

Tue 24/3

17:40-10:30

Nonstop9h 50m

£415

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 17/1

06:30-11:50

1 stop13h 20m

Seattle/Tacoma Intl

Thu 22/1

16:45-10:30

Nonstop9h 45m

£415

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 13/2

06:30-11:40

1 stop13h 10m

Seattle/Tacoma Intl

Thu 19/2

18:25-11:55

Nonstop9h 30m

£415

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 6/2

06:30-11:40

1 stop13h 10m

Seattle/Tacoma Intl

Thu 12/2

16:55-10:30

Nonstop9h 35m

£415

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 27/1

17:05-11:50

1 stop26h 45m

Seattle/Tacoma Intl

Mon 23/2

15:05-16:35

1 stop17h 30m

£419

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 15/1

06:20-11:25

1 stop13h 05m

Seattle/Tacoma Intl

Tue 20/1

16:45-10:30

Nonstop9h 45m

£419

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 18/1

20:35-17:00

1 stop28h 25m

Seattle/Tacoma Intl

Thu 22/1

14:35-10:50

1 stop12h 15m

£421

Flights are sorted by cheapest return flights first.

Deals found on 25/12

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 £457). 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 28 December 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 28 December 2025.

The most flights from GBENG to SEA are scheduled on a Saturday (21 on average). You will have fewer flight options on Thursday, 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?

    United Airlines, SWISS, and KLM can get you from England to Seattle in just under 13h 10m. Your travel time can differ by up to 13h 35m. 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 (£250), British Airways (£342), and Virgin Atlantic (£344).

  • 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 (93%), Delta (90%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,656 for a flight from England to Seattle. The cheapest flight overall is £409 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £235.

  • 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 £457). 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
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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Leeds to Seattle flights
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Birmingham to Portland flights
Manchester to Spokane flights
Heathrow to Bellingham flights
Southend to Seattle flights
Grimsby to Portland flights
Bristol to Portland flights
Birmingham to Spokane 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 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£323Average£501FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£360Average£560FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£384Average£734FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£389Average£537FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£392Average£595FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£403Average£633FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£409Average£568FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Aer LingusCheapest£415Average£744FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£433Average£640FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£438Average£634FlexibilityNo 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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