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Cheap flights from England to Seattle from £339

LHR — SEA
23 Nov — 30 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

Sat 5/1206:20 -
1 stop15h 30m
Sat 12/1216:50 -
Nonstop9h 50m
Deal found 21/10£405
Fri 20/1106:35 -
1 stop14h 25m
Sun 29/1114:50 -
1 stop17h 00m
Deal found 21/10£406
Tue 17/1109:05 -
1 stop21h 55m
Tue 24/1106:00 -
1 stop16h 25m
Deal found 24/10£406
Fri 4/1206:30 -
1 stop13h 20m
Fri 28/521:55 -
1 stop14h 05m
Deal found 22/10£407
Wed 28/1014:30 -
1 stop14h 27m
Mon 16/1115:15 -
1 stop12h 35m
Deal found 20/10£408
Mon 14/1212:20 -
Nonstop10h 30m
Fri 8/116:55 -
Nonstop9h 45m
Deal found 24/10£409
Fri 27/1114:30 -
1 stop26h 57m
Sun 6/1219:05 -
1 stop32h 45m
Deal found 21/10£409
Fri 4/1212:20 -
Nonstop10h 30m
Tue 8/1216:50 -
Nonstop9h 50m
Deal found 19/10£410
Mon 14/1206:30 -
1 stop13h 20m
Fri 8/106:00 -
2 stops17h 15m
Deal found 24/10£411
Mon 14/1206:30 -
1 stop13h 20m
Thu 7/107:15 -
1 stop15h 05m
Deal found 23/10£412
Sat 7/1106:30 -
1 stop13h 17m
Sun 22/1116:50 -
Nonstop9h 50m
Deal found 21/10£412
Fri 4/1210:00 -
1 stop13h 13m
Fri 28/518:35 -
1 stop13h 25m
Deal found 20/10£413

Find flight deals from England to Seattle

Round-trip from

£405

One-way from

£339

Popular in

August

Cheapest in

February

Average price

£538

Good round-trip deal

£424 or less

Good one-way deal

£391 or less
KLM
  • KLM
  • 5/12-12/12
  • 1 total stop
  • 25h 20m total
  • England to Seattle
Search Deals
10/11-31/12
  • 10/11-31/12
  • 2 total stops
  • 32h 40m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£33 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

LiverpoolSeattle

LPL Liverpool J. Lennon - SEA Seattle/Tacoma Intl

LPLSEA

Liverpool J. Lennon

Mon 7/12

06:15-17:00

3 stops42h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£353

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Fri 12/3

09:30-17:00

2 stops39h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£356

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Tue 1/12

18:00-13:40

2 stops51h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£382

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Sun 17/1

10:00-15:13

1 stop13h 13m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£386

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Sat 13/3

15:20-17:00

3 stops33h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£386

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Mon 14/12

12:20-14:50

Nonstop10h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£389

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Wed 2/12

14:25-09:04

2 stops50h 39m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£395

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sun 17/1

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£399

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Wed 20/1

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£399

LeedsSeattle

LBA Leeds/Bradford - SEA Seattle/Tacoma Intl

LBASEA

Leeds/Bradford

Fri 20/11

06:05-17:00

3 stops42h 55m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£399

Flights are sorted by cheapest return flights first.

Deals found on 23/10

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 £492). Flying from England to Seattle in July is currently the most expensive (average of £653). 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.

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 £462 and £624 in December.
The cheapest return price found within the last 5 days was £405 on Multiple Airlines (5 Dec–12 Dec).

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?

    Lufthansa, Air Canada, and United Airlines can get you from England to Seattle in just under 13h 30m. Your travel time can differ by up to 6h 29m. 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 (£316), Icelandair (£340), and Alaska Airlines (£348).

  • 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 (87%), KLM (84%), SAUDIA (84%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,742 for a flight from England to Seattle. The cheapest flight overall is £332 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £350.

  • 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 £492). Flying from England to Seattle in July is currently the most expensive (average of £653). 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£329Average£561FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£335Average£528FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£363Average£621FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£371Average£491FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£392Average£712FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£399Average£640FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AtlanticCheapest£407Average£690FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£410Average£607FlexibilityNo cancel feeOn-time77%
Search Air France flights
Alaska AirlinesCheapest£422Average£576FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
KLMCheapest£428Average£681FlexibilityNo cancel feeOn-time75%
Search KLM 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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