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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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
18 Jul — 25 Jul1
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 18 June 2026.

Thu 2/716:40
LHR
-
SEA
1 stop36h 06m
Lufthansa
Sun 5/718:50
SEA
-
LHR
1 stop15h 35m
Lufthansa
Deal found 18/6£476
Mon 31/815:40
LGW
-
SEA
1 stop28h 05m
Icelandair
Tue 8/919:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 17/6£477
Sat 24/1014:25
LHR
-
SEA
1 stop27h 03m
Finnair
Sat 31/1014:35
SEA
-
LHR
Nonstop9h 35m
Finnair
Deal found 18/6£477
Sat 22/816:25
LHR
-
SEA
1 stop26h 33m
Finnair
Tue 8/915:47
SEA
-
LHR
1 stop14h 38m
Finnair
Deal found 18/6£477
Sat 27/610:00
LCY
-
SEA
1 stop14h 24m
Delta
Fri 3/707:30
SEA
-
LCY
2 stops17h 20m
Delta
Deal found 17/6£478
Sat 20/617:45
LHR
-
SEA
Nonstop10h 16m
Delta
Fri 3/721:50
SEA
-
LHR
Nonstop9h 45m
Delta
Deal found 17/6£478
Sat 4/710:25
LGW
-
SEA
1 stop15h 02m
Delta
Mon 13/718:35
SEA
-
LGW
1 stop13h 25m
Delta
Deal found 17/6£479
Tue 30/609:40
LHR
-
SEA
1 stop19h 49m
Virgin Atlantic
Mon 13/722:50
SEA
-
LHR
2 stops23h 30m
Virgin Atlantic
Deal found 18/6£479
Sat 27/610:25
LGW
-
SEA
1 stop15h 05m
Delta
Fri 3/718:35
SEA
-
LGW
1 stop13h 25m
Delta
Deal found 17/6£480
Wed 22/708:10
BHX
-
SEA
1 stop17h 00m
Aer Lingus
Wed 29/719:10
SEA
-
BHX
1 stop15h 00m
Aer Lingus
Deal found 18/6£480
Fri 19/606:30
LHR
-
SEA
2 stops22h 27m
Delta
Sat 4/721:50
SEA
-
LHR
Nonstop9h 45m
Delta
Deal found 17/6£480
Sat 4/709:20
LCY
-
SEA
1 stop34h 13m
Virgin Atlantic
Mon 13/717:40
SEA
-
LCY
1 stop31h 10m
Virgin Atlantic
Deal found 16/6£480

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 18 June 2026.

Round-trip from

£476

One-way from

£289

Popular in

July

Cheapest in

February

Average price

£628

Good round-trip deal

£570 or less

Good one-way deal

£601 or less
Lufthansa
  • Lufthansa
  • 2/7-5/7
  • 2 total stops
  • 51h 41m total
  • England to Seattle
Search Deals
28/8
  • 28/8
  • 3 total stops
  • 29h 05m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 18 June 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
Fastest return journey

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 27/10

14:55-17:55

Nonstop10h 00m

Seattle/Tacoma Intl

Sun 8/11

18:50-12:20

Nonstop9h 30m

£480

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sat 4/7

12:20-17:10

1 stop12h 50m

Seattle/Tacoma Intl

Wed 15/7

19:10-19:55

1 stop16h 45m

£481

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 1/7

09:55-16:20

1 stop14h 25m

Seattle/Tacoma Intl

Wed 8/7

21:50-15:35

Nonstop9h 45m

£494

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 3/7

17:45-20:03

Nonstop10h 18m

Seattle/Tacoma Intl

Tue 7/7

21:50-15:35

Nonstop9h 45m

£498

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 4/9

17:45-20:10

Nonstop10h 25m

Seattle/Tacoma Intl

Wed 16/9

18:20-12:10

Nonstop9h 50m

£519

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 13/7

07:45-16:20

1 stop16h 35m

Seattle/Tacoma Intl

Mon 20/7

13:45-09:30

1 stop11h 45m

£525

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 22/7

07:45-23:44

1 stop23h 59m

Seattle/Tacoma Intl

Wed 29/7

07:30-05:55

1 stop14h 25m

£529

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 29/7

08:40-16:20

1 stop15h 40m

Seattle/Tacoma Intl

Wed 5/8

21:45-15:35

Nonstop9h 50m

£533

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 12/8

15:30-11:55

1 stop28h 25m

Seattle/Tacoma Intl

Sat 29/8

05:00-08:30

2 stops19h 30m

£542

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 17/8

15:15-23:57

1 stop16h 42m

Seattle/Tacoma Intl

Wed 2/9

21:50-15:35

Nonstop9h 45m

£542

Flights are sorted by cheapest return flights first.

Deals found on 16/6

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 £291). Flying from England to Seattle in December is currently the most expensive (average of £984). 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 18 June 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 18 June 2026.

The most flights from GBENG to SEA are scheduled on a Tuesday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (17 on average).

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

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

Booking 56 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?

    British Airways, Aer Lingus, and Delta can get you from England to Seattle in just under 10h. Your travel time can differ by up to 4h 25m. 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 Icelandair (£354), British Airways (£365), and Virgin Atlantic (£372).

  • 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 (85%), Air France (85%), Delta (85%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,687 for a flight from England to Seattle. The cheapest flight overall is £430 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £375.

  • 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 £291). Flying from England to Seattle in December is currently the most expensive (average of £984). 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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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 18 June 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£335Average£541FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£342Average£519FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£363Average£611FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£374Average£622FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£418Average£723FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£430Average£637FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£442Average£620FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£451Average£711FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£461Average£679FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air CanadaCheapest£465Average£499FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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