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$444+ Cheap flights from London (LON) to Washington

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SEA
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from London to Washington

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Washington (USWA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$647
(Voliamo)

One-way from

$444
(Kiwi.com)
From London (LON) to Washington
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One-way flight from London (LON) to Washington
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Find flight deals from London to Washington

Cheapest flights from London to Washington
Explore the most affordable flight options available from London to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This Bravofly deal was found by Cheapflights users on 12/21. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2810:45 amLHR - SEA
1 stop14h 08mVirgin Atlantic
Tue 12/316:00 amSEA - LHR
1 stop16h 50mVirgin Atlantic
Deal found 12/21$660
This Booking.com deal was found by Cheapflights users on 12/21. 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.
Sat 12/281:25 pmLHR - SEA
2 stops16h 35mAir Canada
Tue 12/3110:35 amSEA - LHR
2 stops14h 45mAir Canada
Deal found 12/21$716
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:20 amLHR - SEA
1 stop17h 57mUnited Airlines
Fri 1/315:00 amSEA - LHR
2 stops17h 55mUnited Airlines
Deal found 12/21$742
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/317:10 amLHR - PDX
2 stops21h 35mUnited Airlines
Tue 1/77:30 pmPDX - LHR
2 stops30h 10mUnited Airlines
Deal found 12/21$763
This Gurufare deal was found by Cheapflights users on 12/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3112:35 pmLHR - PDX
1 stop19h 03mFinnair
Sun 1/196:30 pmPDX - LHR
Nonstop9h 40mFinnair
Deal found 12/21$768
This Delta deal was found by Cheapflights users on 12/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:30 amLHR - PDX
1 stop12h 55mDelta
Thu 1/96:05 amPDX - LHR
1 stop17h 00mDelta
Deal found 12/21$771
This Air Canada deal was found by Cheapflights users on 12/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:30 pmLHR - PDX
2 stops27h 04mAir Canada
Wed 1/83:25 pmPDX - LHR
1 stop34h 45mAir Canada
Deal found 12/21$775
This Netflights deal was found by Cheapflights users on 12/20. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:45 amLHR - GEG
2 stops18h 58mVirgin Atlantic
Wed 1/83:25 pmGEG - LHR
2 stops32h 30mVirgin Atlantic
Deal found 12/20$818
This Delta deal was found by Cheapflights users on 12/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/293:50 pmLHR - GEG
1 stop26h 51mDelta
Wed 1/87:24 pmGEG - LHR
1 stop31h 46mDelta
Deal found 12/21$842
This The Travel House deal was found by Cheapflights users on 12/21. 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.
Sun 12/299:30 amLHR - GEG
2 stops19h 15mIberia
Wed 1/83:21 pmGEG - LHR
2 stops31h 29mIberia
Deal found 12/21$858
This SWISS deal was found by Cheapflights users on 12/21. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:00 amLHR - SEA
2 stops23h 15mSWISS
Wed 2/193:24 pmSEA - LHR
2 stops22h 16mSWISS
Deal found 12/21$864
This ChecknFly deal was found by Cheapflights users on 12/21. 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.
Sun 12/293:50 pmLHR - GEG
1 stop30h 45mMultiple Airlines
Tue 1/73:25 pmGEG - LHR
1 stop11h 45mMultiple Airlines
Deal found 12/21$870

Find flights from London to Washington within your budget

Customize your flight search to find flights from London to Washington 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 22, 2024.

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Any airport

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Depart

Return

Price

LondonSeattle

LCY - SEA

LCYSEA

London City

Sun 3/2

5:15 pm-12:10 pm

1 stop26h 55m

Seattle/Tacoma Intl

Sun 3/16

4:10 pm-4:40 pm

2 stops17h 30m

$647

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 2/23

1:05 pm-3:05 pm

Nonstop10h 00m

Seattle/Tacoma Intl

Thu 7/3

7:55 pm-1:30 pm

Nonstop9h 35m

$647

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 1/20

3:15 pm-7:56 pm

2 stops36h 41m

Seattle/Tacoma Intl

Fri 1/24

3:15 pm-12:50 pm

1 stop13h 35m

$648

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 2/15

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Mon 2/24

2:35 pm-10:55 am

1 stop12h 20m

$649

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 1/8

1:15 pm-3:15 pm

Nonstop10h 00m

Seattle/Tacoma Intl

Mon 1/13

5:45 pm-11:10 am

Nonstop9h 25m

$649

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 2/23

2:10 pm-11:06 pm

1 stop16h 56m

Seattle/Tacoma Intl

Thu 7/3

5:40 pm-3:10 pm

1 stop13h 30m

$652

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 2/15

6:45 pm-9:15 pm

2 stops34h 30m

Seattle/Tacoma Intl

Mon 2/24

10:52 am-5:50 pm

2 stops22h 58m

$653

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 1/31

6:55 pm-11:46 am

1 stop24h 51m

Seattle/Tacoma Intl

Sat 2/8

2:09 pm-1:15 pm

1 stop15h 06m

$667

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 1/13

3:00 pm-4:55 pm

Nonstop9h 55m

Seattle/Tacoma Intl

Mon 1/20

6:50 pm-12:15 pm

Nonstop9h 25m

$674

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 1/8

2:35 pm-10:25 pm

1 stop15h 50m

Seattle/Tacoma Intl

Mon 3/24

6:45 pm-11:10 am

Nonstop9h 25m

$675

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 60 results
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Best time to book a flight from London to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from London 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.

Travel insights for flights from London to Washington

Get recent, data-driven insights about flights from London to Washington including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London to State of Washington?

Currently, January is the cheapest month in which you can book a flight from London to State of Washington (average of $238). Flying from London to State of Washington in July is currently the most expensive (average of $411). 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 LON to WA?

Find hourly flight availability from London to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

When flying from London to State of Washington, 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 London to State of Washington

Explore weekly flight availability from London to Washington. 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 22, 2024.

The most flights from LON to USWA are scheduled on a Friday (21 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated December 22, 2024.
See what other customers who have flown with Lufthansa, Virgin Atlantic and Air France from London to Washington have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Delta
8.0
Very good
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Air New Zealand
8.0
Very good
495 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Finnair
7.7
Good
1,283 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
785 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Reviews

1 / 10

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 London to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from London to State of Washington one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $530. However, be on the lookout for offers from Aer Lingus and WestJet, as they are both options that can get you from London to State of Washington for a low price.

  • What are the most popular routes from London to State of Washington?

    While some choose either London Gatwick - Seattle/Tacoma Intl or London City - Seattle/Tacoma Intl, London Heathrow - Seattle/Tacoma Intl is the most popular route from London to State of Washington.

  • What are the most reliable airlines from London to State of Washington?

    The top 3 most reliable airlines when flying from London to State of Washington are Air France (73%), Delta (73%) and Virgin Atlantic (73%).

  • What are the cheapest flights from London to State of Washington?

    Looking for the cheapest flight from London to State of Washington? While on average our users pay $1,408, our data indicates the cheapest price to be $676. The most popular route (London Heathrow - Seattle/Tacoma Intl), is priced around $462.

  • Can I find deals for flights from London to Washington that include hotel bookings?

    Yes. In addition to deals on London to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Washington.

  • Can I find deals for business class flights from London to Washington?

    Yes. Cheapflights offers flight deals from London to Washington 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 London to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from London to State of Washington (average of $238). Flying from London to State of Washington in July is currently the most expensive (average of $411). 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

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Alternative routes for London to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from London to Washington

Discover the top 8 airlines that operate flights from London to Washington. 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 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$558Average$823FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$600Average$910FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$614Average$1,006FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$621Average$764FlexibilityNo cancel feeOn-time71%
DeltaCheapest$663Average$883FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$671Average$988FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$674Average$844FlexibilityNo cancel feeOn-time75%
IberiaCheapest$680Average$975FlexibilityNo cancel feeOn-time77%
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