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Cheap flights from England to Seattle from £295

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Find 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 15 October 2025.

Wed 26/1112:15LHR - SEA
1 stop12h 45mIcelandair
Wed 3/1214:35SEA - LHR
1 stop12h 15mIcelandair
Deal found 11/10£447
Mon 10/1111:55LGW - SEA
1 stop13h 05mIcelandair
Mon 24/1114:35SEA - LGW
1 stop12h 20mIcelandair
Deal found 14/10£450
Mon 17/1111:55LGW - SEA
1 stop13h 05mIcelandair
Thu 20/1114:35SEA - LGW
1 stop12h 20mIcelandair
Deal found 14/10£452
Sun 2/1120:35LHR - SEA
1 stop28h 25mIcelandair
Tue 11/1114:35SEA - LHR
1 stop12h 15mIcelandair
Deal found 14/10£455
Mon 10/1120:35LHR - SEA
1 stop28h 25mIcelandair
Mon 24/1114:35SEA - LHR
1 stop20h 55mIcelandair
Deal found 13/10£455
Wed 12/1106:30STN - SEA
2 stops18h 30mMultiple Airlines
Wed 19/1114:35SEA - STN
2 stops24h 15mMultiple Airlines
Deal found 14/10£458
Wed 12/1106:50LTN - SEA
2 stops18h 10mMultiple Airlines
Wed 19/1114:35SEA - LTN
2 stops18h 30mMultiple Airlines
Deal found 14/10£458
Tue 25/1111:55LGW - SEA
1 stop13h 05mIcelandair
Wed 10/1214:35SEA - LGW
1 stop12h 20mIcelandair
Deal found 14/10£460
Wed 12/1107:40LHR - SEA
1 stop13h 40mMultiple Airlines
Mon 17/1107:00SEA - LHR
1 stop14h 55mMultiple Airlines
Deal found 13/10£461
Mon 10/1111:55LGW - SEA
1 stop13h 05mIcelandair
Wed 19/1114:35SEA - LGW
1 stop12h 20mIcelandair
Deal found 14/10£461
Wed 12/1106:35LHR - SEA
1 stop14h 45mLufthansa
Sun 16/1123:52SEA - LHR
1 stop13h 28mLufthansa
Deal found 13/10£461
Wed 12/1108:50LGW - SEA
2 stops16h 10mMultiple Airlines
Wed 19/1114:35SEA - LGW
2 stops18h 45mMultiple Airlines
Deal found 14/10£463

Cheap flight deals from England to Seattle

Keep the following information in mind while searching for England to Seattle flight deals. Data was last updated 15 October 2025.

Round-trip from

£444

One-way from

£295

Popular in

July

Cheapest in

January

Average price

£542

Good round-trip deal

£509 or less

Good one-way deal

£563 or less
Icelandair
  • Icelandair
  • 26/11-3/12
  • 2 total stops
  • 25h 25m total
  • England to Seattle
Search Deals
29/10
  • 29/10
  • 3 total stops
  • 59h 42m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 15 October 2025.
Use the filters below to find and compare flights from England to Seattle that are best for you.

Fly from

England

Fly to

Seattle

Route

Depart

Return

Price

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 12/1

13:00-10:26

1 stop29h 26m

Seattle/Tacoma Intl

Tue 27/1

11:06-06:00

1 stop34h 54m

£455

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 12/11

06:30-17:00

2 stops18h 30m

Seattle/Tacoma Intl

Wed 19/11

14:35-22:50

2 stops24h 15m

£458

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 8/4

15:40-20:45

1 stop13h 05m

Seattle/Tacoma Intl

Wed 15/4

15:45-14:40

1 stop14h 55m

£465

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Wed 26/11

06:50-17:00

2 stops18h 10m

Seattle/Tacoma Intl

Wed 3/12

14:35-23:05

2 stops24h 30m

£467

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 10/12

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Tue 6/1

14:35-10:55

1 stop12h 20m

£476

EdinburghSeattle

EDI - SEA

EDISEA

Edinburgh Turnhouse

Thu 27/11

07:45-17:00

2 stops17h 15m

Seattle/Tacoma Intl

Thu 4/12

14:35-22:30

2 stops23h 55m

£477

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 15/12

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Tue 6/1

14:35-10:55

1 stop12h 20m

£478

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 25/11

07:30-18:10

2 stops18h 40m

Seattle/Tacoma Intl

Wed 10/12

10:40-10:50

2 stops16h 10m

£484

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 12/11

07:30-18:10

2 stops18h 40m

Seattle/Tacoma Intl

Wed 19/11

19:13-21:20

2 stops18h 07m

£485

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 16/12

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Sun 11/1

14:35-10:55

1 stop12h 20m

£485

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from England to Seattle (average of £308). Flying from England to Seattle in August is currently the most expensive (average of £464). 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 15 October 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 14% on flights from England to Seattle by exploring options for tickets in the afternoon.

What is the cheapest day to fly from England to Seattle?

Use this chart to determine the cheapest time to fly return from England to Seattle. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their England to Seattle flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 15 October 2025.

The most flights from GBENG to SEA are scheduled on a Monday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost for a return flight from England to Seattle?

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?

    Icelandair, United Airlines, and SWISS can get you from England to Seattle in just under 13h 05m. Your travel time can differ by up to 20h 36m. 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 (£408), Aer Lingus (£412), and Finnair (£415).

  • 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 (97%), KLM (90%), Air France (90%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,654 for a flight from England to Seattle. The cheapest flight overall is £375 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £412.

  • 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, March is the cheapest month in which you can book a flight from England to Seattle (average of £308). Flying from England to Seattle in August is currently the most expensive (average of £464). 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
Tacoma
Leavenworth
Bothell
SeaTac

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Alternative routes for England to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Gatwick to Spokane flights
Heathrow to Bellingham flights
Grimsby to Portland flights
London City to Spokane flights
Birmingham to Spokane flights
Edinburgh to Pasco flights

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 15 October 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£328Average£523FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£389Average£737FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£401Average£599FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£403Average£570FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£408Average£614FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£409Average£654FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£445Average£637FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£445Average£645FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£446Average£634FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£449Average£641FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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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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