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Cheap flights from England to Seattle from £334

LHR — SEA
29 Oct — 5 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

Mon 5/1012:25 -
1 stop16h 11m
Mon 19/1015:00 -
1 stop32h 10m
Deal found 28/9£415
Mon 5/1006:30 -
1 stop18h 05m
Mon 19/1021:50 -
Nonstop9h 45m
Deal found 28/9£416
Tue 8/1206:30 -
1 stop13h 20m
Thu 14/116:55 -
Nonstop9h 45m
Deal found 28/9£416
Thu 22/1011:45 -
1 stop12h 50m
Wed 28/1017:45 -
Nonstop9h 55m
Deal found 28/9£417
Sun 4/1006:00 -
2 stops24h 47m
Sat 17/1015:00 -
1 stop14h 20m
Deal found 27/9£418
Sun 4/1018:30 -
Nonstop10h 25m
Sat 17/1023:10 -
1 stop23h 35m
Deal found 27/9£419
Sat 7/1106:30 -
1 stop13h 17m
Mon 8/309:00 -
1 stop17h 00m
Deal found 28/9£420
Wed 14/1010:25 -
2 stops20h 39m
Wed 11/1115:25 -
1 stop16h 20m
Deal found 27/9£420
Mon 7/1206:30 -
1 stop13h 20m
Sat 16/116:55 -
Nonstop9h 45m
Deal found 24/9£420
Mon 7/1206:20 -
1 stop16h 53m
Sun 17/116:55 -
Nonstop9h 45m
Deal found 28/9£421
Wed 14/1010:25 -
2 stops20h 39m
Wed 4/1115:25 -
1 stop33h 35m
Deal found 26/9£422
Wed 16/1208:40 -
2 stops22h 15m
Sun 10/106:05 -
1 stop17h 00m
Deal found 24/9£422

Find flight deals from England to Seattle

Round-trip from

£415

One-way from

£334

Popular in

August

Cheapest in

February

Average price

£559

Good round-trip deal

£435 or less

Good one-way deal

£502 or less
Austrian Airlines
  • Austrian Airlines
  • 5/2-8/2
  • 2 total stops
  • 28h 00m total
  • England to Seattle
Search Deals
25/1-31/12
  • 25/1-31/12
  • 2 total stops
  • 58h 55m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£29 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 September 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

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Tue 17/11

06:25-10:16

3 stops35h 51m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£352

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Sat 23/1

18:25-08:52

2 stops46h 27m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£380

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 26/11

09:50-17:10

1 stop15h 20m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£392

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 26/11

19:30-22:31

2 stops35h 01m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£392
Fastest return journey

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Fri 8/1

14:45-16:40

Nonstop9h 55m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£394

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 7/1

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£398

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Wed 24/3

12:20-15:39

Nonstop10h 19m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£400

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sat 20/3

10:45-18:30

1 stop14h 45m

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 5/1

10:10-22:02

1 stop19h 52m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£407

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Fri 4/12

09:00-23:44

2 stops22h 44m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£416

Flights are sorted by cheapest return flights first.

Deals found on 25/9

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 £506). Flying from England to Seattle in July is currently the most expensive (average of £659). 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 Thursday, which is when the least amount of flights are scheduled (18 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 £473 and £607 in February.
The cheapest return price found within the last 5 days was £415 on Multiple Airlines (5 Feb–8 Feb).

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?

    United Airlines, Delta, and KLM can get you from England to Seattle in just under 10h 30m. Your travel time can differ by up to 24h 37m. 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 (£339), Icelandair (£343), 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 Stansted - Seattle/Tacoma Intl or London Gatwick - 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%), KLM (81%), SAUDIA (81%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,843 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 £325.

  • 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 £506). Flying from England to Seattle in July is currently the most expensive (average of £659). 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£602FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£375Average£495FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£396Average£712FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£403Average£658FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£414Average£616FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£418Average£676FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£436Average£684FlexibilityNo cancel feeOn-time75%
Search KLM flights
Alaska AirlinesCheapest£437Average£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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