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Cheap flights from England to Seattle from £249

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
5 May — 12 May1
1 adult

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 30 April 2025.

Round-trip from

£457

One-way from

£249

Popular in

August

Cheapest in

January

Average price

£529

Good round-trip deal

£545 or less

Good one-way deal

£627 or less
Icelandair
  • Icelandair
  • 20/9-11/10
  • 2 total stops
  • 27h 55m total
  • England to Seattle
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26/5
  • 26/5
  • 2 total stops
  • 37h 28m total
  • England to Seattle
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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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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Find flight deals from England to Seattle

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 30 April 2025.

Sat 20/915:40LGW - SEA
1 stop13h 00mIcelandair
Sat 11/1015:45SEA - LGW
1 stop14h 55mIcelandair
Deal found 29/4£457
Thu 8/521:25LHR - SEA
1 stop28h 25mIcelandair
Thu 22/523:30SEA - LHR
1 stop12h 50mIcelandair
Deal found 29/4£459
Wed 7/507:30LHR - SEA
2 stops19h 03mMultiple Airlines
Wed 14/510:00SEA - LHR
2 stops17h 50mMultiple Airlines
Deal found 30/4£460
Wed 17/907:40LHR - SEA
1 stop18h 10mBritish Airways
Thu 25/920:20SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 29/4£462
Thu 5/619:30LHR - SEA
1 stop26h 20mScandinavian Airlines
Mon 9/616:00SEA - LHR
1 stop18h 30mScandinavian Airlines
Deal found 29/4£463
Thu 8/507:35STN - SEA
2 stops18h 15mMultiple Airlines
Thu 22/515:45SEA - STN
2 stops17h 40mMultiple Airlines
Deal found 29/4£465
Wed 10/907:25LHR - SEA
1 stop17h 34mUnited Airlines
Mon 15/922:55SEA - LHR
1 stop24h 00mUnited Airlines
Deal found 29/4£465
Thu 8/508:30LHR - SEA
2 stops19h 07mAir Canada
Thu 22/507:20SEA - LHR
1 stop18h 40mAir Canada
Deal found 30/4£471
Tue 13/518:35LGW - SEA
2 stops34h 56mSWISS
Sun 18/512:45SEA - LGW
2 stops45h 05mSWISS
Deal found 29/4£478
Mon 8/917:15LHR - SEA
2 stops27h 18mFinnair
Fri 26/907:15SEA - LHR
2 stops25h 00mFinnair
Deal found 30/4£485
Thu 11/920:55LHR - SEA
1 stop22h 50mVirgin Atlantic
Thu 25/917:35SEA - LHR
Nonstop9h 45mVirgin Atlantic
Deal found 30/4£486
Wed 17/909:05LCY - SEA
1 stop16h 45mBritish Airways
Thu 25/919:35SEA - LCY
1 stop14h 45mBritish Airways
Deal found 29/4£491

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 30 April 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

Sat 20/9

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Sat 11/10

15:45-14:40

1 stop14h 55m

£457

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 13/5

09:25-11:10

Nonstop9h 45m

Seattle/Tacoma Intl

Sun 18/5

23:59-06:15

2 stops22h 16m

£459

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 17/9

09:00-16:59

1 stop15h 59m

Seattle/Tacoma Intl

Thu 25/9

10:55-08:20

1 stop13h 25m

£461

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 17/9

07:40-17:50

1 stop18h 10m

Seattle/Tacoma Intl

Thu 25/9

20:20-13:40

Nonstop9h 20m

£462

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 5/6

19:30-13:50

1 stop26h 20m

Seattle/Tacoma Intl

Mon 9/6

16:00-18:30

1 stop18h 30m

£463

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 10/9

07:25-16:59

1 stop17h 34m

Seattle/Tacoma Intl

Mon 15/9

22:55-06:55

1 stop24h 00m

£465

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 14/5

13:05-20:40

1 stop15h 35m

Seattle/Tacoma Intl

Sat 17/5

19:00-20:20

1 stop17h 20m

£466

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 13/5

18:35-21:31

2 stops34h 56m

Seattle/Tacoma Intl

Sun 18/5

12:45-17:50

2 stops45h 05m

£478

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 11/9

20:55-11:45

1 stop22h 50m

Seattle/Tacoma Intl

Thu 25/9

17:35-11:20

Nonstop9h 45m

£486

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 19/5

06:10-17:50

2 stops19h 40m

Seattle/Tacoma Intl

Mon 26/5

15:45-16:05

2 stops16h 20m

£486

Flights are sorted by cheapest return flights first.

Deals found on 30/4

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, January is the cheapest month in which you can book a flight from England to Seattle (average of £622). Flying from England to Seattle in July is currently the most expensive (average of £946). 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 30 April 2025.

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

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 30 April 2025.

The most flights from GBENG to SEA are scheduled on a Monday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 30 April 2025.
See what other customers who have flown with Delta, KLM and Finnair from England to Seattle have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,936 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 WestJet (£285), Aer Lingus (£409), and Icelandair (£425).

  • 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: Singapore Airlines (94%), Aeromexico (92%), KLM (91%).

  • What are the cheapest flights from England to Seattle?

    On average you can expect to pay £1,371 for a flight from England to Seattle. The cheapest flight overall is £473 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £438.

  • 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, January is the cheapest month in which you can book a flight from England to Seattle (average of £622). Flying from England to Seattle in July is currently the most expensive (average of £946). 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 England?

Book flights to England if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

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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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London City to Spokane flights
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Birmingham to Portland flights
Heathrow to Pasco flights
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Southend to Seattle flights
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Newquay to Seattle 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£8Average£762FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£326Average£539FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£386Average£636FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£396Average£561FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£399Average£598FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£407Average£627FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£415Average£597FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£433Average£680FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest£445Average£711FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AtlanticCheapest£446Average£613FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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