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Cheap flights from England to Seattle from £299

LHR — SEA
2 Oct — 9 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

Thu 24/1211:55 -
1 stop13h 05m
Thu 7/114:35 -
1 stop12h 10m
Deal found 30/8£382
Wed 23/910:05 -
2 stops39h 50m
Tue 6/1019:00 -
2 stops20h 40m
Deal found 1/9£383
Mon 19/1007:00 -
1 stop12h 35m
Tue 27/1014:30 -
1 stop14h 50m
Deal found 30/8£436
Tue 15/915:00 -
1 stop37h 21m
Tue 29/913:30 -
1 stop16h 30m
Deal found 29/8£439
Thu 8/1005:55 -
1 stop13h 57m
Sat 17/1016:00 -
1 stop32h 15m
Deal found 29/8£472
Wed 7/1005:55 -
1 stop18h 40m
Sat 17/1013:30 -
1 stop24h 50m
Deal found 1/9£476
Wed 30/914:55 -
1 stop16h 25m
Wed 7/1016:00 -
1 stop32h 20m
Deal found 31/8£481
Tue 13/1008:10 -
1 stop17h 00m
Tue 20/1019:10 -
1 stop15h 00m
Deal found 1/9£483
Mon 28/908:10 -
1 stop17h 00m
Sun 4/1019:10 -
1 stop15h 00m
Deal found 2/9£487
Wed 16/908:10 -
1 stop17h 00m
Wed 23/919:10 -
1 stop16h 45m
Deal found 1/9£488
Wed 16/908:10 -
1 stop17h 00m
Wed 23/919:10 -
1 stop16h 45m
Deal found 1/9£489
Thu 24/1220:40 -
1 stop23h 10m
Sun 10/121:55 -
2 stops34h 10m
Deal found 30/8£492

Find flight deals from England to Seattle

Round-trip from

£382

One-way from

£299

Popular in

August

Cheapest in

February

Average price

£542

Good round-trip deal

£553 or less

Good one-way deal

£438 or less
Icelandair
  • Icelandair
  • 24/12-7/1
  • 2 total stops
  • 25h 15m total
  • England to Seattle
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3/10
  • 3/10
  • 3 total stops
  • 28h 05m 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 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

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 28/9

08:10-17:10

1 stop17h 00m

Seattle/Tacoma Intl

Sun 4/10

19:10-18:10

1 stop15h 00m

£487

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Wed 16/9

08:10-17:10

1 stop17h 00m

Seattle/Tacoma Intl

Wed 23/9

19:10-19:55

1 stop16h 45m

£488

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Wed 11/11

05:50-11:47

1 stop13h 57m

Seattle/Tacoma Intl

Wed 18/11

15:25-21:30

1 stop22h 05m

£525

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Wed 18/11

05:50-11:47

1 stop13h 57m

Seattle/Tacoma Intl

Wed 2/12

15:25-16:05

1 stop16h 40m

£525

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Thu 24/12

05:50-11:50

1 stop14h 00m

Seattle/Tacoma Intl

Sun 10/1

06:05-10:05

2 stops20h 00m

£526

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Wed 28/10

06:00-23:17

2 stops24h 17m

Seattle/Tacoma Intl

Fri 6/11

13:16-17:50

2 stops20h 34m

£531

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Wed 28/10

20:05-23:18

2 stops34h 13m

Seattle/Tacoma Intl

Wed 4/11

15:35-17:50

2 stops18h 15m

£531

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Tue 2/2

05:50-11:47

1 stop13h 57m

Seattle/Tacoma Intl

Tue 16/2

11:25-16:05

2 stops20h 40m

£532

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Mon 5/10

11:00-16:35

1 stop13h 35m

Seattle/Tacoma Intl

Wed 14/10

11:25-14:00

2 stops18h 35m

£534

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Wed 16/9

11:00-11:47

1 stop32h 47m

Seattle/Tacoma Intl

Sat 3/10

13:30-10:00

1 stop12h 30m

£534

Flights are sorted by cheapest return flights first.

Deals found on 31/8

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 £496). 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?

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 Tuesday (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 typical for this route at the moment.
England to Seattle flights typically cost between £490 and £642 in September.
The cheapest return price found within the last 5 days was £503 on Multiple Airlines (12 Sept–17 Sept).

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?

    Aer Lingus, Virgin Atlantic, and Delta can get you from England to Seattle in just under 13h 57m. Your travel time can differ by up to 3h 03m. Airlines will cover a distance of 4633 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 (£332), Icelandair (£336), and Virgin Atlantic (£363).

  • 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: SAUDIA (79%), Scandinavian Airlines (78%), KLM (75%).

  • 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 £312 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £299.

  • 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 £496). 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

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from England to Seattle

AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£332Average£479FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£338Average£550FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£359Average£606FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£388Average£693FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£414Average£568FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£418Average£671FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£430Average£653FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£437Average£644FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£446Average£619FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£457Average£689FlexibilityNo 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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