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$312+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
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 February 4, 2026.

This The Travel House deal was found by Cheapflights users on 2/3. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:25 pm
LHR
-
SEA
1 stop28h 30m
Icelandair
Fri 5/87:00 pm
SEA
-
LHR
1 stop17h 20m
Icelandair
Deal found 2/3$482
This Booking.com deal was found by Cheapflights users on 2/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:40 pm
LGW
-
SEA
1 stop13h 00m
Icelandair
Sun 9/273:40 pm
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 2/2$487
This Booking.com deal was found by Cheapflights users on 2/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:25 pm
LHR
-
SEA
1 stop31h 15m
Icelandair
Tue 10/133:40 pm
SEA
-
LHR
1 stop20h 40m
Icelandair
Deal found 2/3$490
This Icelandair deal was found by Cheapflights users on 2/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:40 pm
LGW
-
SEA
1 stop13h 00m
Icelandair
Sat 5/27:00 pm
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 2/2$501
This Ticket deal was found by Cheapflights users on 2/2. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:20 am
LHR
-
SEA
1 stop13h 05m
Virgin Atlantic
Thu 3/267:20 am
SEA
-
LHR
1 stop16h 30m
Virgin Atlantic
Deal found 2/2$504
This Gotogate deal was found by Cheapflights users on 2/2. 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.
Thu 2/1912:15 pm
LHR
-
SEA
1 stop12h 45m
Icelandair
Wed 3/113:35 pm
SEA
-
LHR
1 stop12h 15m
Icelandair
Deal found 2/2$505
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/169:50 am
LHR
-
SEA
1 stop16h 30m
Aer Lingus
Mon 3/28:05 pm
SEA
-
LHR
1 stop15h 45m
Aer Lingus
Deal found 2/2$506
This Icelandair deal was found by Cheapflights users on 2/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:40 pm
LGW
-
SEA
1 stop13h 00m
Icelandair
Sun 9/207:00 pm
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 2/1$509
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Thu 2/1912:15 pm
LHR
-
SEA
1 stop12h 45m
Icelandair
Tue 3/32:35 pm
SEA
-
LHR
1 stop20h 55m
Icelandair
Deal found 2/2$509
This Icelandair deal was found by Cheapflights users on 2/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:40 pm
LGW
-
SEA
1 stop34h 15m
Icelandair
Sun 9/203:40 pm
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 2/1$511
This TravelUp deal was found by Cheapflights users on 2/2. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:30 pm
LHR
-
SEA
Nonstop10h 05m
Virgin Atlantic
Mon 3/167:25 pm
SEA
-
LHR
Nonstop9h 30m
Virgin Atlantic
Deal found 2/2$512
This TravelUp deal was found by Cheapflights users on 2/2. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:20 pm
LHR
-
SEA
Nonstop10h 25m
Virgin Atlantic
Wed 3/185:40 pm
SEA
-
LHR
Nonstop9h 50m
Virgin Atlantic
Deal found 2/2$513

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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$482
(The Travel House)

One-way from

$312
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$616

Good round-trip deal

$600 or less

Good one-way deal

$609 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 ($109 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 February 2026
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 February 4, 2026.
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

LHR - SEA

LHRSEA

London Heathrow

Mon 3/2

6:30 am-11:35 am

1 stop13h 05m

Seattle/Tacoma Intl

Mon 3/16

5:40 pm-10:30 am

Nonstop9h 50m

$526

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 3/10

6:30 am-12:35 pm

1 stop13h 05m

Seattle/Tacoma Intl

Tue 3/17

7:25 pm-11:55 am

Nonstop9h 30m

$526

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 2/20

6:35 am-1:20 pm

1 stop14h 45m

Seattle/Tacoma Intl

Thu 2/26

11:59 pm-7:55 am

1 stop23h 56m

$539

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 2/18

7:40 am-1:20 pm

1 stop13h 40m

Seattle/Tacoma Intl

Tue 2/24

9:55 am-10:10 am

2 stops16h 15m

$539

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 2/18

6:35 am-1:20 pm

1 stop14h 45m

Seattle/Tacoma Intl

Sat 2/21

7:00 am-7:55 am

1 stop16h 55m

$539

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 2/24

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Wed 3/4

2:35 pm-10:55 am

1 stop12h 20m

$548

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 4/8

10:25 pm-7:25 pm

2 stops29h 00m

Seattle/Tacoma Intl

Sun 5/3

3:40 pm-11:40 am

1 stop12h 00m

$555

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 4/27

5:45 pm-8:04 pm

Nonstop10h 19m

Seattle/Tacoma Intl

Sun 5/3

4:00 pm-2:35 pm

1 stop14h 35m

$560

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 3/9

7:30 am-6:04 pm

2 stops17h 34m

Seattle/Tacoma Intl

Mon 3/16

7:00 am-6:20 am

2 stops16h 20m

$561

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 2/17

2:30 pm-9:15 am

1 stop26h 45m

Seattle/Tacoma Intl

Fri 2/20

12:55 pm-9:40 am

1 stop12h 45m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

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 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 $407). 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 February 4, 2026.

When flying from England to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 February 4, 2026.

The most flights from GBENG to SEA are scheduled on a Tuesday (21 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 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 $504, Icelandair can have you in Seattle from England in 13h 05m. 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 Scandinavian Airlines, with whom users have recently found tickets for as low as $383. However, be on the lookout for offers from WestJet 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 KLM (89%), Air France (89%) or Delta (89%) 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 $1,539, our data indicates the cheapest price to be $522. The most popular route (London Heathrow - Seattle/Tacoma Intl), is priced around $403.

  • 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 $407). 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
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$501Average$907FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$574Average$801FlexibilityNo cancel feeOn-time72%
DeltaCheapest$594Average$871FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$618Average$854FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$660Average$778FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$780Average$780FlexibilityNo cancel feeOn-time77%

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