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$421+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Mytrip deal was found by Cheapflights users on 11/2. 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 11/1211:15 amLGW - SEA
1 stop15h 05mMultiple Airlines
Mon 11/178:05 pmSEA - LGW
1 stop13h 15mMultiple Airlines
Deal found 11/2$600
This ChecknFly deal was found by Cheapflights users on 11/1. 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.
Tue 12/28:35 pmLHR - SEA
1 stop28h 25mIcelandair
Tue 12/92:35 pmSEA - LHR
1 stop20h 55mIcelandair
Deal found 11/1$601
This Gotogate deal was found by Cheapflights users on 11/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:55 amLGW - SEA
1 stop13h 05mIcelandair
Thu 12/112:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 11/1$602
This Justfly.com deal was found by Cheapflights users on 11/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:55 amLGW - SEA
1 stop13h 05mIcelandair
Mon 12/12:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 11/2$605
This FlightHub deal was found by Cheapflights users on 11/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1811:55 amLGW - SEA
1 stop13h 05mIcelandair
Tue 11/252:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 11/1$606
This Gotogate deal was found by Cheapflights users on 11/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:15 pmLHR - SEA
1 stop12h 45mIcelandair
Thu 12/112:35 pmSEA - LHR
1 stop12h 15mIcelandair
Deal found 11/1$606
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:15 pmLHR - SEA
1 stop12h 45mIcelandair
Mon 12/12:35 pmSEA - LHR
1 stop12h 15mIcelandair
Deal found 11/2$608
This FlightHub deal was found by Cheapflights users on 11/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:15 pmLHR - SEA
1 stop12h 45mIcelandair
Wed 11/262:35 pmSEA - LHR
1 stop20h 55mIcelandair
Deal found 11/1$610
This FlightHub deal was found by Cheapflights users on 11/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:35 pmLHR - SEA
1 stop28h 25mIcelandair
Wed 11/262:35 pmSEA - LHR
1 stop20h 55mIcelandair
Deal found 11/1$611
This Trip.com deal was found by Cheapflights users on 11/1. 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.
Mon 11/1011:55 amLGW - SEA
1 stop13h 05mIcelandair
Mon 11/242:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 11/1$614
This Gotogate deal was found by Cheapflights users on 11/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:55 amLGW - SEA
1 stop13h 05mIcelandair
Mon 11/102:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 11/1$618
This Gotogate deal was found by Cheapflights users on 11/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:55 amLGW - SEA
1 stop13h 05mIcelandair
Tue 12/92:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 11/2$621

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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$542
(Kiwi.com)

One-way from

$421
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$716

Good round-trip deal

$790 or less

Good one-way deal

$728 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. 12% potential increase in price ($103 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 November 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 November 3, 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

Wed 3/18

11:55 am-6:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Sat 3/28

7:00 pm-2:40 pm

1 stop11h 40m

$653

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 11/24

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Wed 12/3

2:35 pm-10:55 am

1 stop12h 20m

$653

LondonSeattle

LCY - SEA

LCYSEA

London City

Sun 1/11

8:05 pm-11:50 am

1 stop23h 45m

Seattle/Tacoma Intl

Sun 1/18

6:05 am-8:10 am

2 stops18h 05m

$654

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 3/19

12:15 pm-6:00 pm

1 stop12h 45m

Seattle/Tacoma Intl

Sat 3/28

3:35 pm-10:55 am

1 stop12h 20m

$656

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 4/28

1:00 pm-5:50 pm

1 stop12h 50m

Seattle/Tacoma Intl

Thu 10/8

7:10 pm-2:40 pm

1 stop11h 30m

$658

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 11/27

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Tue 12/2

2:35 pm-10:55 am

1 stop12h 20m

$660

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Thu 2/19

9:00 am-5:00 pm

2 stops16h 00m

Seattle/Tacoma Intl

Tue 3/3

2:35 pm-8:05 pm

2 stops21h 30m

$669

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sun 2/15

6:00 am-5:00 pm

1 stop19h 00m

Seattle/Tacoma Intl

Sun 2/22

2:35 pm-2:50 pm

1 stop16h 15m

$675

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 12/16

10:05 am-6:55 pm

1 stop16h 50m

Seattle/Tacoma Intl

Wed 1/14

6:50 pm-12:20 pm

Nonstop9h 30m

$677

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 12/16

11:55 am-11:38 pm

1 stop19h 43m

Seattle/Tacoma Intl

Wed 1/7

6:50 pm-12:20 pm

Nonstop9h 30m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

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 $410). 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 November 3, 2025.

It’s optimal to fly from England to Seattle at noon. By choosing this option you can save up to 19% 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 November 3, 2025.

The most flights from GBENG to SEA are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from England to Seattle?

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 $653, Icelandair can have you in Seattle from England in 13h 05m. There are 4807 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 Virgin Atlantic, with whom users have recently found tickets for as low as $548. However, be on the lookout for offers from United Airlines and Lufthansa, 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 (89%) or KLM (88%) 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 $2,172, our data indicates the cheapest price to be $592. The most popular route (London Heathrow - Seattle/Tacoma Intl), is priced around $524.

  • 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 $410). 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
SeaTac
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$418Average$770FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$553Average$725FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$589Average$813FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$594Average$878FlexibilityNo cancel feeOn-time72%
DeltaCheapest$594Average$826FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$780Average$780FlexibilityNo cancel feeOn-time77%

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