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Cheap flights from England to Seattle from £301

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
11 Sep — 18 Sep1
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
Explore the most affordable flight options available from England to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 August 2026.

Mon 21/921:25 -
1 stop31h 15m
Mon 28/915:40 -
1 stop12h 15m
Deal found 7/8£449
Sun 20/1212:00 -
1 stop19h 30m
Thu 31/1207:11 -
1 stop16h 14m
Deal found 7/8£453
Wed 14/1021:20 -
2 stops26h 40m
Wed 21/1017:40 -
2 stops22h 30m
Deal found 7/8£459
Wed 4/1112:15 -
1 stop12h 45m
Tue 17/1108:18 -
2 stops15h 47m
Deal found 8/8£459
Mon 19/1021:25 -
1 stop28h 30m
Wed 28/1015:35 -
1 stop12h 15m
Deal found 10/8£461
Tue 25/813:00 -
1 stop18h 57m
Sun 4/1013:30 -
1 stop16h 30m
Deal found 8/8£462
Tue 1/912:45 -
2 stops31h 00m
Tue 15/919:00 -
2 stops21h 10m
Deal found 11/8£462
Sat 29/813:05 -
2 stops31h 15m
Sun 30/817:26 -
1 stop29h 19m
Deal found 7/8£466
Thu 8/1017:00 -
2 stops35h 40m
Sun 18/1019:00 -
2 stops17h 00m
Deal found 9/8£467
Wed 28/1012:15 -
1 stop12h 45m
Thu 5/1114:35 -
1 stop12h 15m
Deal found 8/8£468
Sun 30/813:00 -
1 stop30h 45m
Mon 7/915:40 -
1 stop15h 00m
Deal found 7/8£469
Sat 5/905:50 -
1 stop13h 25m
Sat 19/916:01 -
1 stop32h 14m
Deal found 8/8£469

Find flight deals from England to Seattle

Keep the following information in mind while searching for England to Seattle flight deals. Data was last updated 12 August 2026.

Round-trip from

£449

One-way from

£301

Popular in

December

Cheapest in

February

Average price

£619

Good round-trip deal

£575 or less

Good one-way deal

£568 or less
Icelandair
  • Icelandair
  • 21/9-28/9
  • 2 total stops
  • 43h 30m total
  • England to Seattle
Search Deals
Icelandair
  • Icelandair
  • 24/11
  • 1 total stop
  • 13h 40m total
  • England to Seattle
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from England to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from England to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from England to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 August 2026.
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

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sun 20/12

08:55-15:13

1 stop14h 18m

Seattle/Tacoma Intl

Sun 3/1

14:25-13:50

1 stop15h 25m

£516

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Wed 2/9

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Wed 16/9

19:00-14:40

1 stop11h 40m

£517

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Sun 6/9

13:00-11:45

1 stop30h 45m

Seattle/Tacoma Intl

Thu 24/9

19:00-14:40

1 stop11h 40m

£518

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Mon 5/10

09:25-18:32

2 stops17h 07m

Seattle/Tacoma Intl

Wed 21/10

07:00-08:25

2 stops17h 25m

£525

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 17/9

10:50-16:59

1 stop14h 09m

Seattle/Tacoma Intl

Mon 21/9

07:00-11:35

1 stop20h 35m

£529

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Wed 9/9

06:55-16:59

1 stop18h 04m

Seattle/Tacoma Intl

Wed 16/9

19:35-21:20

2 stops17h 45m

£529

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 8/10

06:55-16:59

1 stop18h 04m

Seattle/Tacoma Intl

Tue 20/10

10:42-09:00

1 stop14h 18m

£529

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 29/10

09:30-20:47

2 stops18h 17m

Seattle/Tacoma Intl

Sun 1/11

23:15-08:25

1 stop25h 10m

£534

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Mon 5/10

09:20-16:35

1 stop15h 15m

Seattle/Tacoma Intl

Wed 21/10

13:45-09:30

1 stop11h 45m

£545

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Mon 5/10

08:25-19:04

2 stops18h 39m

Seattle/Tacoma Intl

Wed 21/10

13:45-09:30

1 stop11h 45m

£545

Flights are sorted by cheapest return flights first.

Deals found on 7/8

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 £495). Flying from England to Seattle in December is currently the most expensive (average of £649). 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?

Find hourly flight availability from England to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 August 2026.

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

Explore weekly flight availability from England to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 August 2026.

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 (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 £521 and £678 in September.
The cheapest return price found within the last 5 days was £449 on Icelandair (21 Sept–28 Sept).

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

Booking 56 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

Find useful and relevant information for your journey from England to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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, Icelandair, and SWISS can get you from England to Seattle in just under 13h. Your travel time can differ by up to 4h 07m. Airlines will cover a distance of 4807 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 (£333), Icelandair (£351), 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 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 (85%), KLM (77%), Air France (77%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,567 for a flight from England to Seattle. The cheapest flight overall is £344 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £361.

  • 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 £495). Flying from England to Seattle in December is currently the most expensive (average of £649). 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

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Top 10 airlines flying from England to Seattle

Discover the top 10 airlines that operate flights from England to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£268Average£630FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£332Average£503FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£339Average£520FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£360Average£603FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£389Average£679FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£414Average£569FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£431Average£633FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£438Average£640FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£447Average£622FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£458Average£667FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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