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Cheap flights from England to Seattle from £301

LHR — SEA
12 Oct — 19 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 24/910:25 -
1 stop15h 23m
Sun 4/1013:30 -
1 stop11h 55m
Deal found 12/9£432
Sat 26/914:05 -
2 stops16h 42m
Thu 22/1010:50 -
1 stop18h 30m
Deal found 12/9£432
Tue 29/915:05 -
1 stop15h 42m
Wed 7/1005:50 -
2 stops16h 40m
Deal found 11/9£433
Mon 21/910:00 -
2 stops36h 24m
Tue 29/908:30 -
1 stop19h 55m
Deal found 11/9£434
Tue 15/1214:45 -
Nonstop10h 05m
Sun 20/1218:55 -
Nonstop9h 25m
Deal found 11/9£437
Wed 28/1014:45 -
Nonstop10h 20m
Thu 19/1118:55 -
Nonstop9h 25m
Deal found 12/9£438
Sat 12/1213:00 -
2 stops33h 37m
Sat 30/108:40 -
2 stops18h 40m
Deal found 12/9£439
Tue 6/1008:25 -
1 stop16h 10m
Wed 14/1017:45 -
1 stop16h 45m
Deal found 11/9£439
Sat 19/910:55 -
1 stop15h 59m
Fri 2/1021:50 -
Nonstop9h 45m
Deal found 10/9£439
Tue 29/909:30 -
2 stops17h 22m
Wed 7/1005:50 -
2 stops16h 40m
Deal found 10/9£440
Sat 19/911:45 -
1 stop19h 35m
Mon 5/1014:30 -
2 stops22h 55m
Deal found 11/9£441
Sat 12/1215:40 -
2 stops38h 19m
Sat 9/105:00 -
1 stop23h 15m
Deal found 11/9£442

Find flight deals from England to Seattle

Round-trip from

£432

One-way from

£301

Popular in

August

Cheapest in

February

Average price

£547

Good round-trip deal

£533 or less

Good one-way deal

£439 or less
Delta
  • Delta
  • 24/9-4/10
  • 2 total stops
  • 27h 18m total
  • England to Seattle
Search Deals
Icelandair
  • Icelandair
  • 26/1-31/12
  • 1 total stop
  • 13h 40m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£27 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

EdinburghSeattle

EDI Edinburgh Turnhouse - SEA Seattle/Tacoma Intl

EDISEA

Edinburgh Turnhouse

Sun 24/1

11:20-17:00

1 stop13h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£322

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Tue 17/11

17:55-11:47

3 stops49h 52m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£328

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Sun 22/11

19:40-13:40

2 stops50h 00m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£337

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Sun 15/11

13:45-15:14

2 stops33h 29m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£363

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Fri 25/12

06:30-10:40

2 stops36h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£380

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sun 27/12

06:30-20:50

2 stops22h 20m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£380

LondonSeattle

LTN London Luton - SEA Seattle/Tacoma Intl

LTNSEA

London Luton

Thu 8/10

20:35-13:45

2 stops49h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£382

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Mon 9/11

10:00-23:00

2 stops21h 00m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£383

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Tue 3/11

10:00-23:04

2 stops21h 04m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£383

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Sat 26/12

10:00-11:50

1 stop33h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£384

Flights are sorted by cheapest return flights first.

Deals found on 10/9

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 £497). Flying from England to Seattle in July is currently the most expensive (average of £646). 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 (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 £493 and £647 in September.
The cheapest return price found within the last 5 days was £432 on Air Canada (26 Sept–22 Oct).

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?

    Delta, United Airlines, and SWISS can get you from England to Seattle in just under 14h 35m. Your travel time can differ by up to 22h 39m. Airlines will cover a distance of 4794 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 (£313), Icelandair (£337), and Virgin Atlantic (£364).

  • 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: SAUDIA (79%), Scandinavian Airlines (78%), KLM (75%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,820 for a flight from England to Seattle. The cheapest flight overall is £314 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £319.

  • 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 £497). Flying from England to Seattle in July is currently the most expensive (average of £646). 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
LufthansaCheapest£332Average£500FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£333Average£550FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£360Average£605FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£367Average£577FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£388Average£701FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£416Average£683FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£431Average£669FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£436Average£617FlexibilityNo cancel feeOn-time77%
Search Air France flights
DeltaCheapest£438Average£653FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£458Average£693FlexibilityNo 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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