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Cheap flights from England to Seattle from £366

LHR — SEA
4 Nov — 11 Nov1
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

Wed 7/1010:50 -
2 stops19h 57m
Wed 14/1007:55 -
2 stops18h 05m
Deal found 30/9£414
Thu 8/1013:05 -
1 stop15h 35m
Wed 21/1019:00 -
1 stop32h 55m
Deal found 30/9£415
Thu 8/1006:15 -
1 stop13h 00m
Thu 15/1017:30 -
Nonstop9h 50m
Deal found 30/9£416
Fri 9/1008:40 -
1 stop15h 55m
Sat 17/1021:50 -
Nonstop9h 45m
Deal found 30/9£417
Tue 8/1206:30 -
1 stop13h 20m
Thu 14/116:55 -
Nonstop9h 45m
Deal found 30/9£418
Mon 12/1014:30 -
1 stop17h 26m
Tue 20/1006:00 -
1 stop20h 20m
Deal found 30/9£418
Tue 13/1015:40 -
1 stop13h 00m
Sun 18/1015:40 -
1 stop15h 00m
Deal found 30/9£419
Sat 10/1017:00 -
Nonstop10h 00m
Fri 23/1021:40 -
Nonstop9h 25m
Deal found 1/10£419
Wed 4/1111:55 -
1 stop13h 05m
Sun 15/1114:35 -
1 stop12h 20m
Deal found 2/10£421
Fri 9/1011:45 -
1 stop12h 50m
Tue 20/1006:00 -
1 stop17h 10m
Deal found 30/9£421
Wed 4/1111:55 -
1 stop13h 05m
Tue 17/1114:35 -
1 stop12h 20m
Deal found 2/10£421
Sun 13/1206:30 -
2 stops22h 12m
Sun 17/121:55 -
1 stop14h 15m
Deal found 30/9£421

Find flight deals from England to Seattle

Round-trip from

£414

One-way from

£366

Popular in

August

Cheapest in

February

Average price

£546

Good round-trip deal

£431 or less

Good one-way deal

£399 or less
Air Canada
  • Air Canada
  • 7/10-14/10
  • 4 total stops
  • 38h 02m total
  • England to Seattle
Search Deals
12/11-31/12
  • 12/11-31/12
  • 3 total stops
  • 49h 28m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£31 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 October 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

BristolSeattle

BRS Bristol - SEA Seattle/Tacoma Intl

BRSSEA

Bristol

Mon 1/2

19:20-08:52

2 stops45h 32m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£402
Fastest return journey

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Fri 4/12

14:55-16:50

Nonstop9h 55m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£403

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Tue 17/11

16:20-19:17

3 stops34h 57m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£408

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Mon 21/12

21:35-09:09

3 stops43h 34m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£414

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Fri 13/11

09:00-23:18

2 stops22h 18m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£416

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Tue 24/11

14:45-17:00

Nonstop10h 15m

Seattle/Tacoma Intl

Sat 5/12

18:45-12:20

Nonstop9h 35m

£430

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 19/11

14:45-17:00

Nonstop10h 15m

Seattle/Tacoma Intl

Thu 3/12

18:45-12:20

Nonstop9h 35m

£430

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sat 10/10

17:00-19:00

Nonstop10h 00m

Seattle/Tacoma Intl

Fri 23/10

21:40-15:05

Nonstop9h 25m

£430

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Mon 2/11

14:45-17:00

Nonstop10h 15m

Seattle/Tacoma Intl

Sun 15/11

18:45-12:20

Nonstop9h 35m

£430

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 22/10

08:40-22:42

1 stop22h 02m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£432

Flights are sorted by cheapest return flights first.

Deals found on 3/10

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 £508). Flying from England to Seattle in July is currently the most expensive (average of £658). 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 Tuesday (24 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?

Airfare is below average for this route at the moment.
England to Seattle flights typically cost between £448 and £600 in November.
The cheapest return price found within the last 5 days was £414 on Icelandair (3 Nov–15 Nov).

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

Booking 83 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?

    Alaska Airlines, Icelandair, and Condor can get you from England to Seattle in just under 10h 15m. Your travel time can differ by up to 18h 10m. 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 (£340), Icelandair (£344), and KLM (£351).

  • 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 (83%), KLM (83%), SAUDIA (83%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,844 for a flight from England to Seattle. The cheapest flight overall is £361 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £338.

  • 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 £508). Flying from England to Seattle in July is currently the most expensive (average of £658). 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
IcelandairCheapest£338Average£566FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£339Average£533FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£367Average£603FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£375Average£496FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£396Average£713FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£404Average£658FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£415Average£617FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£418Average£677FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£437Average£684FlexibilityNo cancel feeOn-time75%
Search KLM flights
Alaska AirlinesCheapest£438Average£588FlexibilityNo cancel feeOn-time75%
Search Alaska 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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