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$365+ Cheap flights from England to Seattle (SEA)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:15 pmLHR - SEA
1 stop12h 45mIcelandair
Fri 1/92:35 pmSEA - LHR
1 stop12h 15mIcelandair
Deal found 12/16$617
This Trip.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:15 pmLHR - SEA
1 stop12h 45mIcelandair
Tue 1/62:35 pmSEA - LHR
1 stop20h 55mIcelandair
Deal found 12/16$636
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:45 pmLHR - SEA
1 stop30h 17mAmerican Airlines
Sun 12/286:50 pmSEA - LHR
Nonstop9h 30mAmerican Airlines
Deal found 12/17$674
This British Airways deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:00 pmLHR - SEA
1 stop36h 14mBritish Airways
Sun 12/285:23 amSEA - LHR
2 stops24h 57mBritish Airways
Deal found 12/17$688
This British Airways deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:00 pmLHR - SEA
1 stop34h 09mBritish Airways
Mon 12/2910:32 amSEA - LHR
2 stops21h 33mBritish Airways
Deal found 12/17$693
This TravelTrolley deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelTrolley is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:00 pmLHR - SEA
1 stop17h 25mMultiple Airlines
Wed 2/46:05 amSEA - LHR
1 stop18h 40mMultiple Airlines
Deal found 12/16$741
This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:15 pmLHR - SEA
1 stop12h 45mIcelandair
Sun 12/282:35 pmSEA - LHR
1 stop12h 15mIcelandair
Deal found 12/16$756
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:45 pmLHR - SEA
1 stop30h 17mAmerican Airlines
Tue 12/3011:49 amSEA - LHR
1 stop14h 11mAmerican Airlines
Deal found 12/17$772
This ChecknFly deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:30 pmLHR - SEA
1 stop32h 39mFinnair
Tue 1/66:50 pmSEA - LHR
Nonstop9h 30mFinnair
Deal found 12/17$827
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:45 pmLHR - SEA
1 stop30h 17mAmerican Airlines
Mon 12/291:52 pmSEA - LHR
1 stop14h 23mAmerican Airlines
Deal found 12/17$833
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:05 pmLCY - SEA
2 stops30h 21mKLM
Wed 2/49:05 amSEA - LCY
2 stops16h 25mKLM
Deal found 12/16$899
This Mytrip deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:50 pmLTN - SEA
2 stops26h 50mMultiple Airlines
Fri 1/93:10 pmSEA - LTN
2 stops21h 00mMultiple Airlines
Deal found 12/16$1,061

Find flight deals from England to Seattle

Keep the following information in mind while searching for England to Seattle flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$593
(Netflights)

One-way from

$365
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$853

Good round-trip deal

$763 or less

Good one-way deal

$662 or less
Provider with most accurate pricing for London (LON)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Seattle/Tacoma Intl flights.
Search Deals
From England to Seattle/Tacoma Intl
Search Deals
One-way flight from England to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from England to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from England to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 18, 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

LCY - SEA

LCYSEA

London City

Sun 2/1

8:05 pm-11:40 am

1 stop23h 35m

Seattle/Tacoma Intl

Sun 2/8

3:05 pm-7:35 pm

1 stop20h 30m

$601

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 2/1

6:20 am-1:20 pm

1 stop15h 00m

Seattle/Tacoma Intl

Sun 2/8

4:55 pm-10:30 am

Nonstop9h 35m

$601

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 4/19

9:50 am-11:35 am

Nonstop9h 45m

Seattle/Tacoma Intl

Thu 4/30

8:20 pm-1:45 pm

Nonstop9h 25m

$605

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 1/15

7:45 am-10:13 pm

2 stops22h 28m

Seattle/Tacoma Intl

Wed 1/28

3:10 pm-4:35 pm

1 stop17h 25m

$606

EdinburghSeattle

EDI - SEA

EDISEA

Edinburgh Turnhouse

Thu 1/15

6:15 am-5:00 pm

2 stops18h 45m

Seattle/Tacoma Intl

Thu 1/22

2:35 pm-10:15 pm

2 stops23h 40m

$610

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 1/22

2:55 pm-4:55 pm

Nonstop10h 00m

Seattle/Tacoma Intl

Mon 1/26

2:04 pm-11:35 am

1 stop13h 31m

$612

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 2/1

12:20 pm-2:45 pm

Nonstop10h 25m

Seattle/Tacoma Intl

Sun 2/8

4:55 pm-10:30 am

Nonstop9h 35m

$612

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 2/1

12:20 pm-2:45 pm

Nonstop10h 25m

Seattle/Tacoma Intl

Sun 2/8

4:55 pm-10:30 am

Nonstop9h 35m

$612

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 3/4

6:50 am-6:20 pm

1 stop19h 30m

Seattle/Tacoma Intl

Sun 3/8

9:05 pm-8:40 pm

1 stop16h 35m

$615

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 1/17

9:25 am-11:30 am

Nonstop10h 05m

Seattle/Tacoma Intl

Mon 1/26

6:50 pm-12:20 pm

Nonstop9h 30m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 round-trip 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, March is the cheapest month in which you can book a flight from England to Seattle (average of $408). Flying from England to Seattle in August is currently the most expensive (average of $617). 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 December 18, 2025.

It’s optimal to fly from England to Seattle at noon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from England to Seattle?

Use this chart to determine the cheapest time to fly round-trip from England to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their England to Seattle flight should consider departing on Monday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.

The most flights from GBENG to SEA are scheduled on a Thursday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

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?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Seattle from England.

  • How long is the flight from England to Seattle?

    For as low as $612, Virgin Atlantic can have you in Seattle from England in 10h. There are 4783 mi between England and Seattle. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from England to Seattle one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $364. However, be on the lookout for offers from Scandinavian Airlines and Aer Lingus, as they are both options that can get you from England to Seattle for a low price.

  • 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?

    No one likes to see their flight delayed. When booking a flight from England to Seattle consider choosing Scandinavian Airlines (97%), Air France (93%) or Delta (90%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from England to Seattle?

    Looking for the cheapest flight from England to Seattle? While on average our users pay $2,274, our data indicates the cheapest price to be $512. The most popular route (London Heathrow - Seattle/Tacoma Intl), is priced around $454.

  • 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 vacation 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, March is the cheapest month in which you can book a flight from England to Seattle (average of $408). Flying from England to Seattle in August is currently the most expensive (average of $617). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

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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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Top 6 airlines flying from England to Seattle

Discover the top 6 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 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$418Average$833FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$553Average$777FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$574Average$772FlexibilityNo cancel feeOn-time72%
DeltaCheapest$575Average$828FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$589Average$854FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$780Average$780FlexibilityNo cancel feeOn-time77%

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