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Cheap flights from England to Seattle from £384

LHR — SEA
23 Oct — 30 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

Sat 17/1019:10 -
2 stops25h 10m
Sun 25/1015:15 -
1 stop13h 35m
Deal found 22/9£419
Tue 20/1015:40 -
1 stop13h 00m
Tue 27/1015:35 -
1 stop12h 20m
Deal found 22/9£420
Wed 30/910:15 -
2 stops16h 17m
Fri 16/1015:00 -
1 stop14h 20m
Deal found 22/9£420
Fri 11/1206:30 -
1 stop13h 20m
Sun 17/114:00 -
1 stop13h 40m
Deal found 21/9£421
Sat 7/1117:30 -
1 stop26h 30m
Sat 14/1107:05 -
1 stop16h 35m
Deal found 23/9£421
Mon 7/1208:55 -
1 stop14h 18m
Sat 16/116:55 -
Nonstop9h 45m
Deal found 21/9£422
Tue 27/1013:30 -
1 stop30h 30m
Fri 13/1115:15 -
1 stop12h 35m
Deal found 21/9£423
Mon 28/917:35 -
1 stop25h 40m
Tue 13/1013:30 -
1 stop16h 15m
Deal found 21/9£424
Thu 1/1017:00 -
1 stop26h 15m
Sat 17/1013:30 -
1 stop11h 50m
Deal found 22/9£425
Thu 26/1112:20 -
Nonstop10h 30m
Sat 5/1209:50 -
1 stop13h 55m
Deal found 22/9£425
Wed 30/910:25 -
1 stop32h 50m
Fri 16/1013:30 -
1 stop11h 55m
Deal found 22/9£426
Fri 27/1112:20 -
Nonstop10h 30m
Sun 6/1216:50 -
Nonstop9h 50m
Deal found 21/9£426

Find flight deals from England to Seattle

Round-trip from

£419

One-way from

£384

Popular in

August

Cheapest in

February

Average price

£550

Good round-trip deal

£436 or less

Good one-way deal

£493 or less
Air Canada
  • Air Canada
  • 17/10-25/10
  • 3 total stops
  • 38h 45m total
  • England to Seattle
Search Deals
28/10-31/12
  • 28/10-31/12
  • 3 total stops
  • 51h 00m 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

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Tue 17/11

16:45-15:14

1 stop30h 29m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£389

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Tue 15/12

10:00-22:05

2 stops20h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£389
Fastest return journey

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Wed 25/11

14:55-16:50

Nonstop9h 55m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£389

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Tue 8/12

16:45-15:13

1 stop30h 28m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£389

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Tue 15/12

12:20-14:50

Nonstop10h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£389

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Mon 23/11

12:20-14:50

Nonstop10h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£389

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 19/11

12:20-14:50

Nonstop10h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£389

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Fri 4/12

10:00-22:05

2 stops20h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£389

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Mon 14/12

10:00-22:05

2 stops20h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£389

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

£391

Flights are sorted by cheapest return flights first.

Deals found on 19/9

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 £504). 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.

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 (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 £495 and £649 in October.
The cheapest return price found within the last 5 days was £419 on Multiple Airlines (17 Oct–25 Oct).

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?

    Delta, Alaska Airlines, and Aer Lingus can get you from England to Seattle in just under 10h 20m. Your travel time can differ by up to 6h 40m. 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 (£317), Icelandair (£341), and KLM (£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 (82%), KLM (81%), SAUDIA (81%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,869 for a flight from England to Seattle. The cheapest flight overall is £358 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £299.

  • 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 £504). 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
LufthansaCheapest£336Average£530FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£337Average£562FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£364Average£597FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£372Average£492FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£393Average£704FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£400Average£653FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£411Average£613FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£415Average£670FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Alaska AirlinesCheapest£433Average£585FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
KLMCheapest£434Average£678FlexibilityNo 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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