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Cheap flights from England to Seattle from £327

LHR — SEA
15 Nov — 22 Nov1
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 12/1113:45 -
2 stops39h 14m
Thu 26/1115:15 -
2 stops34h 05m
Deal found 15/10£411
Thu 5/1112:20 -
Nonstop10h 30m
Tue 10/1116:50 -
Nonstop9h 50m
Deal found 15/10£412
Thu 22/1006:15 -
1 stop13h 00m
Wed 12/513:45 -
1 stop15h 20m
Deal found 15/10£413
Mon 16/1112:20 -
Nonstop10h 30m
Thu 26/1116:50 -
Nonstop9h 50m
Deal found 14/10£413
Thu 22/1011:40 -
Nonstop10h 20m
Wed 4/1116:50 -
Nonstop9h 50m
Deal found 14/10£414
Sat 5/1216:45 -
1 stop30h 28m
Sat 12/1222:52 -
2 stops26h 08m
Deal found 14/10£415
Mon 16/1112:20 -
Nonstop10h 30m
Thu 26/1107:38 -
1 stop15h 12m
Deal found 16/10£415
Sat 24/1017:45 -
Nonstop10h 29m
Sat 31/1009:42 -
2 stops16h 18m
Deal found 15/10£416
Mon 16/1118:40 -
2 stops36h 27m
Thu 26/1110:50 -
2 stops61h 00m
Deal found 15/10£416
Tue 24/1111:45 -
1 stop32h 02m
Tue 8/1222:55 -
1 stop13h 15m
Deal found 15/10£416
Thu 29/1012:20 -
Nonstop10h 34m
Wed 4/1113:30 -
1 stop12h 30m
Deal found 15/10£417
Mon 23/1110:00 -
1 stop13h 14m
Mon 7/1215:25 -
1 stop33h 35m
Deal found 15/10£418

Find flight deals from England to Seattle

Round-trip from

£411

One-way from

£327

Popular in

August

Cheapest in

February

Average price

£545

Good round-trip deal

£429 or less

Good one-way deal

£399 or less
Air Canada
  • Air Canada
  • 26/11-1/12
  • 4 total stops
  • 39h 39m total
  • England to Seattle
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Aer Lingus
  • Aer Lingus
  • 1/4-31/12
  • 2 total stops
  • 23h 42m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£32 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 October 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

Fri 12/3

09:30-17:00

2 stops39h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£349

LiverpoolSeattle

LPL Liverpool J. Lennon - SEA Seattle/Tacoma Intl

LPLSEA

Liverpool J. Lennon

Fri 6/11

07:20-17:00

3 stops41h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£353

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Fri 6/11

06:55-17:00

3 stops42h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£355

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Mon 15/3

07:30-14:50

3 stops38h 20m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£355

LeedsSeattle

LBA Leeds/Bradford - SEA Seattle/Tacoma Intl

LBASEA

Leeds/Bradford

Tue 17/11

15:45-17:00

3 stops57h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£385

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sun 6/12

14:45-17:00

Nonstop10h 15m

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 12/12

17:35-15:13

1 stop29h 38m

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 12/12

14:45-17:00

Nonstop10h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£388

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Fri 11/12

14:45-17:00

Nonstop10h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£388
Fastest return journey

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Tue 16/3

14:45-17:50

Nonstop10h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£391

Flights are sorted by cheapest return flights first.

Deals found on 14/10

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 £502). Flying from England to Seattle in July is currently the most expensive (average of £658). 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 Wednesday (24 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (16 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 £438 and £594 in November.
The cheapest return price found within the last 5 days was £411 on Air Canada (26 Nov–1 Dec).

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 Alaska Airlines can get you from England to Seattle in just under 10h 15m. Your travel time can differ by up to 11h 52m. 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 (£319), Icelandair (£343), and Alaska Airlines (£380).

  • 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 (83%), KLM (83%), SAUDIA (83%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,753 for a flight from England to Seattle. The cheapest flight overall is £350 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £367.

  • 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 £502). Flying from England to Seattle in July is currently the most expensive (average of £658). 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
IcelandairCheapest£332Average£570FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£339Average£533FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£367Average£624FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£374Average£495FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£396Average£715FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£403Average£646FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AtlanticCheapest£412Average£691FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£414Average£614FlexibilityNo cancel feeOn-time77%
Search Air France flights
Alaska AirlinesCheapest£431Average£584FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
KLMCheapest£433Average£683FlexibilityNo 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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