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Reagan-National

$557+ Cheap flights from London (LON) to Reagan-National (DCA)

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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap flight deals from London to Reagan-National

Cheapest flights from London to Reagan-National
Explore the most affordable flight options available from London to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.

This deal was found by Cheapflights users on 4/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:30 am
LHR
-
DCA
1 stop11h 54m
United Airlines
Sat 5/163:00 pm
DCA
-
LHR
1 stop11h 15m
United Airlines
Deal found 4/17$560
This deal was found by Cheapflights users on 4/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:20 pm
LGW
-
DCA
1 stop12h 39m
JetBlue
Mon 6/16:45 pm
DCA
-
LGW
1 stop9h 50m
JetBlue
Deal found 4/17$574
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Sat 6/62:10 pm
LHR
-
DCA
1 stop26h 51m
United Airlines
Mon 6/86:00 am
DCA
-
LHR
1 stop10h 35m
United Airlines
Deal found 4/15$575
This deal was found by Cheapflights users on 4/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:20 pm
LGW
-
DCA
1 stop12h 39m
JetBlue
Sun 5/315:25 pm
DCA
-
LGW
1 stop11h 10m
JetBlue
Deal found 4/17$619
This deal was found by Cheapflights users on 4/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:40 am
LHR
-
DCA
1 stop13h 02m
JetBlue
Sun 5/36:00 am
DCA
-
LHR
1 stop9h 45m
JetBlue
Deal found 4/16$622
This Globehunters deal was found by Cheapflights users on 4/13. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:40 am
LHR
-
DCA
1 stop17h 19m
JetBlue
Sun 5/106:00 am
DCA
-
LHR
1 stop22h 30m
JetBlue
Deal found 4/13$630
This Globehunters deal was found by Cheapflights users on 4/15. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:15 am
LHR
-
DCA
1 stop19h 44m
JetBlue
Mon 5/116:00 am
DCA
-
LHR
1 stop9h 45m
JetBlue
Deal found 4/15$634
This Globehunters deal was found by Cheapflights users on 4/16. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:40 am
LHR
-
DCA
1 stop14h 06m
JetBlue
Mon 5/116:00 am
DCA
-
LHR
1 stop9h 45m
JetBlue
Deal found 4/16$635
This TravelUp deal was found by Cheapflights users on 4/16. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:40 am
LHR
-
DCA
1 stop14h 06m
JetBlue
Sun 5/106:00 am
DCA
-
LHR
1 stop22h 30m
JetBlue
Deal found 4/16$640
This deal was found by Cheapflights users on 4/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:00 pm
LHR
-
DCA
1 stop13h 54m
American Airlines
Mon 6/11:18 pm
DCA
-
LHR
1 stop13h 42m
American Airlines
Deal found 4/17$642
This deal was found by Cheapflights users on 4/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:45 am
LHR
-
DCA
1 stop11h 32m
United Airlines
Thu 8/1310:30 am
DCA
-
LHR
1 stop15h 15m
United Airlines
Deal found 4/13$649
This The Travel House deal was found by Cheapflights users on 4/16. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:55 am
LHR
-
DCA
1 stop16h 04m
JetBlue
Wed 5/136:00 am
DCA
-
LHR
1 stop9h 45m
JetBlue
Deal found 4/16$651

Find flight deals from London to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Reagan-National (DCA). 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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$560

One-way from

$557
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$716
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) flights.
Search Deals
From London (LON) to Washington, D.C. Reagan-National
Search Deals
One-way flight from London (LON) to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Reagan-National 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 April 18, 2026.
Use the filters below to find and compare flights from London to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 6/17

12:20 pm-9:29 pm

1 stop14h 09m

Washington, D.C. Reagan-National

Wed 6/24

10:10 am-8:35 am

1 stop17h 25m

$735

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 8/31

11:20 am-6:11 pm

1 stop11h 51m

Washington, D.C. Reagan-National

Sat 11/7

5:15 pm-8:45 am

1 stop10h 30m

$736

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 7/29

6:15 am-4:59 pm

2 stops15h 44m

Washington, D.C. Reagan-National

Wed 8/26

6:55 pm-10:40 am

1 stop10h 45m

$743

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 8/2

11:45 am-10:59 pm

2 stops16h 14m

Washington, D.C. Reagan-National

Mon 8/24

11:00 am-6:20 am

1 stop14h 20m

$744

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 6/17

2:30 pm-9:15 am

1 stop23h 45m

Washington, D.C. Reagan-National

Wed 6/24

12:52 pm-8:35 am

2 stops14h 43m

$753

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 5/3

10:25 am-4:24 pm

1 stop10h 59m

Washington, D.C. Reagan-National

Sun 5/10

6:05 pm-9:20 am

1 stop10h 15m

$759

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 6/30

11:45 am-11:15 pm

2 stops16h 30m

Washington, D.C. Reagan-National

Thu 7/16

11:00 am-6:20 am

1 stop14h 20m

$760

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 7/3

4:20 pm-11:15 pm

1 stop11h 55m

Washington, D.C. Reagan-National

Mon 7/13

1:30 pm-6:20 am

1 stop11h 50m

$763

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 7/3

4:20 pm-11:15 pm

1 stop11h 55m

Washington, D.C. Reagan-National

Sun 7/12

5:00 pm-10:20 am

1 stop12h 20m

$763

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 5/7

2:30 pm-9:00 pm

1 stop35h 30m

Washington, D.C. Reagan-National

Mon 5/11

3:10 pm-6:50 am

1 stop34h 40m

$775

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/18

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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.

Cheapflights Insights

Everything you need to know about your flight from London to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from London to Washington, D.C. Reagan-National Airport?

Currently, August is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of $86). Flying from London to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $645). 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.

How much does it cost to fly round-trip from London to Washington, D.C. Reagan-National Airport?

Related info for your journey

Find useful and relevant information for your journey from London to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Washington, D.C. Reagan-National Airport?

    KLM, Delta, and American Airlines can get you from London to Washington, D.C. Reagan-National Airport in just under 11h 51m. Your travel time can differ by up to 11h 54m. London and Washington, D.C. Reagan-National Airport are separated by a distance of 3652 mi. This flight may include one or multiple stops.

  • What are the most popular routes from London to Washington, D.C. Reagan-National Airport?

    The most popular flight routes from London to Washington, D.C. Reagan-National Airport are London Heathrow - Washington, D.C. Reagan-National, London Gatwick - Washington, D.C. Reagan-National and London City - Washington, D.C. Reagan-National.

  • Can I find deals for flights from London to Reagan-National that include hotel bookings?

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

  • How can I find direct flights from London to Reagan-National?

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

  • Can I find deals for business class flights from London to Reagan-National?

    Yes. Cheapflights offers flight deals from London to Reagan-National 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 Washington, D.C. Reagan-National Airport?

    Currently, August is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of $86). Flying from London to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $645). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Towson
Hunt Valley
Cordova

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