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Cheap flights from England to Seattle from £330

LHR — SEA
17 Oct — 24 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

Sun 27/910:15 -
2 stops16h 17m
Tue 13/1005:50 -
2 stops16h 40m
Deal found 16/9£426
Tue 15/1209:30 -
1 stop34h 30m
Thu 7/110:54 -
2 stops16h 26m
Deal found 16/9£428
Thu 15/1015:40 -
1 stop13h 00m
Thu 5/1114:35 -
1 stop12h 20m
Deal found 17/9£428
Thu 15/1015:40 -
1 stop13h 00m
Sat 24/1019:10 -
1 stop11h 30m
Deal found 15/9£429
Thu 12/1112:20 -
Nonstop10h 30m
Mon 16/1116:50 -
Nonstop9h 50m
Deal found 16/9£429
Sat 31/1012:20 -
Nonstop10h 34m
Sun 8/1116:50 -
Nonstop9h 50m
Deal found 16/9£430
Fri 23/1017:45 -
Nonstop10h 29m
Sat 7/1108:25 -
1 stop14h 40m
Deal found 16/9£431
Wed 4/1110:00 -
1 stop13h 14m
Wed 18/1107:15 -
2 stops17h 45m
Deal found 15/9£431
Sun 1/1112:20 -
Nonstop10h 30m
Sat 5/1209:40 -
1 stop14h 05m
Deal found 16/9£431
Fri 9/1015:40 -
1 stop13h 00m
Mon 26/1015:35 -
1 stop12h 20m
Deal found 14/9£432
Thu 17/1212:20 -
Nonstop10h 30m
Wed 6/106:05 -
1 stop17h 00m
Deal found 14/9£432
Thu 24/910:25 -
1 stop15h 23m
Sat 3/1013:30 -
1 stop11h 50m
Deal found 16/9£433

Find flight deals from England to Seattle

Round-trip from

£426

One-way from

£330

Popular in

August

Cheapest in

February

Average price

£550

Good round-trip deal

£478 or less

Good one-way deal

£561 or less
Air Canada
  • Air Canada
  • 27/9-13/10
  • 4 total stops
  • 32h 57m total
  • England to Seattle
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17/11-31/12
  • 17/11-31/12
  • 3 total stops
  • 49h 52m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£28 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

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

£330

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Mon 2/11

09:30-23:31

2 stops22h 01m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£381

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Tue 15/12

10:00-20:42

2 stops18h 42m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£384

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Mon 28/12

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£384

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Wed 10/3

06:30-19:47

2 stops21h 17m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£384

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Tue 1/12

09:15-23:13

2 stops21h 58m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£387

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sun 14/3

06:30-05:43

2 stops31h 13m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£388

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

£388

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sat 13/3

08:40-08:45

2 stops32h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£388

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Sun 8/11

10:00-23:56

2 stops21h 56m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£390

Flights are sorted by cheapest return flights first.

Deals found on 12/9

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 £500). Flying from England to Seattle in July 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?

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 (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 £654 in September.
The cheapest return price found within the last 5 days was £426 on Air Canada (27 Sept–13 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, Virgin Atlantic, and Alaska Airlines can get you from England to Seattle in just under 10h 05m. Your travel time will be generally consistent. Airlines will cover a distance of 4783 mi. Most flights are nonstop.

  • 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 (£315), Icelandair (£338), and Virgin Atlantic (£366).

  • 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 £1,827 for a flight from England to Seattle. The cheapest flight overall is £316 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £309.

  • 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 £500). Flying from England to Seattle in July 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

AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£334Average£526FlexibilityNo cancel feeOn-time76%
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IcelandairCheapest£335Average£551FlexibilityNo cancel feeOn-time76%
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British AirwaysCheapest£362Average£592FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£369Average£488FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£390Average£709FlexibilityNo cancel feeOn-timeN/A
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DeltaCheapest£398Average£648FlexibilityNo cancel feeOn-timeN/A
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Virgin AtlanticCheapest£416Average£664FlexibilityNo cancel feeOn-time72%
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Air FranceCheapest£428Average£611FlexibilityNo cancel feeOn-time77%
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KLMCheapest£431Average£666FlexibilityNo cancel feeOn-time75%
Search KLM flights
Alaska AirlinesCheapest£454Average£595FlexibilityNo 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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