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Cheap flights from England to Seattle from £252

LHR — SEA
25 Sep — 2 Oct1
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

Thu 22/1021:25 -
1 stop31h 15m
Mon 2/1114:35 -
1 stop12h 15m
Deal found 24/8£482
Thu 24/906:15 -
1 stop13h 00m
Sat 10/1021:50 -
Nonstop9h 45m
Deal found 24/8£483
Mon 31/821:25 -
1 stop22h 20m
Mon 7/915:40 -
1 stop12h 15m
Deal found 23/8£484
Mon 31/815:40 -
1 stop28h 05m
Mon 7/919:00 -
1 stop11h 40m
Deal found 23/8£485
Tue 20/1011:00 -
2 stops17h 40m
Tue 27/1015:35 -
2 stops17h 45m
Deal found 23/8£488
Tue 6/1017:50 -
2 stops32h 05m
Tue 13/1019:00 -
2 stops15h 25m
Deal found 22/8£489
Tue 1/913:00 -
1 stop12h 55m
Sat 31/1015:35 -
1 stop12h 20m
Deal found 24/8£490
Tue 1/921:25 -
1 stop22h 20m
Sat 31/1015:35 -
1 stop12h 15m
Deal found 24/8£491
Mon 21/921:25 -
1 stop28h 30m
Tue 29/919:00 -
1 stop32h 55m
Deal found 21/8£491
Sat 3/1021:25 -
1 stop31h 15m
Thu 8/1019:00 -
1 stop32h 55m
Deal found 22/8£493
Thu 22/1010:20 -
2 stops18h 20m
Wed 28/1015:35 -
2 stops23h 05m
Deal found 23/8£494
Wed 21/1015:40 -
1 stop34h 15m
Thu 29/1015:35 -
1 stop12h 20m
Deal found 22/8£494

Find flight deals from England to Seattle

Round-trip from

£482

One-way from

£252

Popular in

August

Cheapest in

February

Average price

£629

Good round-trip deal

£578 or less

Good one-way deal

£567 or less
Icelandair
  • Icelandair
  • 22/10-2/11
  • 2 total stops
  • 43h 30m total
  • England to Seattle
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6/10
  • 6/10
  • 2 total stops
  • 43h 30m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£26 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in August 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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Cheapflights Fare Finder

 
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

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 24/9

09:50-17:10

1 stop15h 20m

Seattle/Tacoma Intl

Fri 2/10

20:20-13:45

Nonstop9h 25m

£520

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 5/10

21:30-10:15

2 stops44h 45m

Seattle/Tacoma Intl

Mon 12/10

19:10-21:15

1 stop18h 05m

£520

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 18/2

09:25-11:25

Nonstop10h 00m

Seattle/Tacoma Intl

Wed 3/3

10:32-10:00

1 stop15h 28m

£524

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Thu 8/10

09:25-18:32

2 stops17h 07m

Seattle/Tacoma Intl

Wed 21/10

07:00-08:25

2 stops17h 25m

£525

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Tue 22/9

06:30-11:55

1 stop13h 25m

Seattle/Tacoma Intl

Thu 1/10

13:56-11:55

1 stop13h 59m

£531

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Tue 6/10

07:25-18:52

2 stops19h 27m

Seattle/Tacoma Intl

Tue 13/10

10:42-10:40

2 stops15h 58m

£534

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Wed 7/10

09:15-18:32

2 stops17h 17m

Seattle/Tacoma Intl

Wed 14/10

15:18-17:25

2 stops18h 07m

£541

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Thu 8/10

09:15-18:32

2 stops17h 17m

Seattle/Tacoma Intl

Wed 21/10

07:00-12:35

2 stops21h 35m

£541

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Wed 30/9

10:25-23:20

2 stops20h 55m

Seattle/Tacoma Intl

Sun 11/10

13:30-16:00

1 stop18h 30m

£551

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Tue 27/10

09:25-12:25

Nonstop10h 00m

Seattle/Tacoma Intl

Sun 8/11

18:45-12:10

Nonstop9h 25m

£554

Flights are sorted by cheapest return flights first.

Deals found on 21/8

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

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 £493). Flying from England to Seattle in December is currently the most expensive (average of £648). 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?

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

The most flights from GBENG to SEA are scheduled on a Monday (24 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (13 on average).

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

Airfare is below average for this route at the moment.
England to Seattle flights typically cost between £503 and £656 in October.
The cheapest return price found within the last 5 days was £482 on Icelandair (22 Oct–2 Nov).

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

Booking 41 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

  • 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, SWISS, and Lufthansa can get you from England to Seattle in just under 13h 25m. Your travel time can differ by up to 3h 42m. 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 British Airways (£330), Icelandair (£334), and Virgin Atlantic (£361).

  • 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 Stansted - 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 (82%), American Airlines (75%), KLM (75%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,415 for a flight from England to Seattle. The cheapest flight overall is £312 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £372.

  • 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 £493). Flying from England to Seattle in December is currently the most expensive (average of £648). 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
Federal Way
SeaTac

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from England to Seattle

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£266Average£640FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£330Average£482FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£336Average£533FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£357Average£601FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£385Average£690FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£411Average£564FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£427Average£649FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£435Average£640FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£444Average£614FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£453Average£668FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

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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