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Cheap flights from England to Seattle from £280

LHR — SEA
20 Sep — 27 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

Mon 24/821:25 -
1 stop22h 20m
Tue 23/214:35 -
1 stop12h 15m
Deal found 16/8£462
Thu 22/1017:00 -
3 stops35h 40m
Sun 1/1114:35 -
2 stops21h 35m
Deal found 15/8£465
Tue 17/1120:35 -
1 stop28h 25m
Tue 8/1214:35 -
1 stop12h 15m
Deal found 16/8£467
Wed 11/1111:55 -
1 stop13h 05m
Tue 17/1114:35 -
1 stop12h 20m
Deal found 17/8£467
Wed 11/1112:15 -
1 stop12h 45m
Tue 17/1114:35 -
1 stop20h 55m
Deal found 17/8£467
Mon 24/815:40 -
1 stop34h 15m
Mon 7/915:40 -
1 stop15h 00m
Deal found 17/8£469
Mon 24/821:25 -
1 stop22h 20m
Mon 7/915:40 -
1 stop12h 15m
Deal found 17/8£469
Tue 29/915:40 -
1 stop13h 00m
Wed 7/1015:40 -
1 stop15h 00m
Deal found 16/8£471
Tue 25/821:25 -
1 stop22h 20m
Tue 8/919:00 -
1 stop17h 20m
Deal found 16/8£472
Thu 24/1211:55 -
1 stop13h 05m
Thu 7/114:35 -
1 stop12h 10m
Deal found 20/8£473
Thu 8/1021:25 -
1 stop28h 30m
Wed 21/1015:40 -
1 stop12h 15m
Deal found 17/8£473
Sun 13/1220:35 -
1 stop28h 25m
Mon 28/1214:35 -
1 stop20h 55m
Deal found 16/8£475

Find flight deals from England to Seattle

Round-trip from

£465

One-way from

£280

Popular in

August

Cheapest in

February

Average price

£627

Good round-trip deal

£573 or less

Good one-way deal

£563 or less
22/10-1/11
  • 22/10-1/11
  • 5 total stops
  • 57h 15m total
  • England to Seattle
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9/9
  • 9/9
  • 3 total stops
  • 57h 15m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£26 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 August 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

Sun 18/10

15:40-17:55

1 stop34h 15m

Seattle/Tacoma Intl

Wed 28/10

15:35-10:55

1 stop12h 20m

£502

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Thu 8/10

09:25-18:32

2 stops17h 07m

Seattle/Tacoma Intl

Thu 22/10

07:00-08:25

2 stops17h 25m

£522

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 1/10

06:30-12:20

1 stop13h 50m

Seattle/Tacoma Intl

Sun 11/10

15:00-13:20

1 stop14h 20m

£526

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sun 20/9

06:50-18:41

2 stops19h 51m

Seattle/Tacoma Intl

Tue 20/10

12:00-11:35

1 stop15h 35m

£532

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sun 20/9

06:50-16:10

2 stops17h 20m

Seattle/Tacoma Intl

Sun 27/9

09:05-10:10

2 stops17h 05m

£533

LondonSeattle

LTN London Luton - SEA Seattle/Tacoma Intl

LTNSEA

London Luton

Fri 2/10

12:50-13:45

3 stops32h 55m

Seattle/Tacoma Intl

Fri 9/10

15:55-00:30

3 stops24h 35m

£534

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Thu 15/10

09:15-18:32

2 stops17h 17m

Seattle/Tacoma Intl

Thu 29/10

13:16-17:05

2 stops20h 49m

£536

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Thu 8/10

09:15-18:32

2 stops17h 17m

Seattle/Tacoma Intl

Wed 21/10

07:00-12:35

2 stops21h 35m

£536

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Mon 2/11

19:05-23:17

2 stops36h 12m

Seattle/Tacoma Intl

Wed 2/12

13:16-17:05

2 stops19h 49m

£541
Fastest return journey

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Tue 27/10

09:25-12:25

Nonstop10h 00m

Seattle/Tacoma Intl

Sun 8/11

18:45-12:10

Nonstop9h 25m

£548

Flights are sorted by cheapest return flights first.

Deals found on 19/8

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

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 £490). Flying from England to Seattle in December is currently the most expensive (average of £644). 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 Monday, 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 £504 and £657 in November.
The cheapest return price found within the last 5 days was £467 on Multiple Airlines (25 Nov–29 Nov).

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

Booking 80 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?

    Icelandair, SWISS, and Lufthansa can get you from England to Seattle in just under 13h 50m. Your travel time can differ by up to 20h 25m. 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 (£330), Icelandair (£334), and Virgin Atlantic (£361).

  • 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%), American Airlines (75%), KLM (75%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,210 for a flight from England to Seattle. The cheapest flight overall is £321 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £334.

  • 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 £490). Flying from England to Seattle in December is currently the most expensive (average of £644). 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
Virgin AtlanticCheapest£266Average£635FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£329Average£493FlexibilityNo cancel feeOn-time76%
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IcelandairCheapest£336Average£520FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£357Average£600FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£385Average£682FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest£411Average£564FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£427Average£647FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£434Average£640FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£443Average£615FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£453Average£664FlexibilityNo cancel feeOn-time77%
Search Scandinavian 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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