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Reagan-National

$437+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
Aug 6 — Aug 131
Thu 8/6
Thu 8/13
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 July 7, 2026.

This United Airlines deal was found by Cheapflights users on 7/5. 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 12/51:00 pm
LHR
-
DCA
1 stop26h 29m
United Airlines
Sun 12/65:00 pm
DCA
-
LHR
1 stop13h 05m
United Airlines
Deal found 7/5$600
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:30 am
LHR
-
DCA
1 stop29h 48m
United Airlines
Mon 8/316:00 am
DCA
-
LHR
1 stop10h 35m
United Airlines
Deal found 7/3$616
This deal was found by Cheapflights users on 7/6. 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 7/308:00 am
LHR
-
DCA
1 stop16h 17m
United Airlines
Mon 8/36:00 am
DCA
-
LHR
1 stop9h 40m
United Airlines
Deal found 7/6$617
This TravelUp deal was found by Cheapflights users on 7/3. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:20 pm
LGW
-
DCA
1 stop31h 05m
JetBlue
Mon 9/75:00 pm
DCA
-
LGW
1 stop11h 35m
JetBlue
Deal found 7/3$636
This Flightcatchers deal was found by Cheapflights users on 7/6. 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 Flightcatchers is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:15 am
LHR
-
DCA
1 stop19h 44m
JetBlue
Tue 9/82:00 pm
DCA
-
LHR
1 stop11h 30m
JetBlue
Deal found 7/6$637
This TravelUp deal was found by Cheapflights users on 7/3. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:40 am
LHR
-
DCA
1 stop14h 25m
JetBlue
Mon 9/76:25 pm
DCA
-
LHR
1 stop31h 05m
JetBlue
Deal found 7/3$641
This TravelUp deal was found by Cheapflights users on 7/6. 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.
Fri 9/48:40 am
LHR
-
DCA
1 stop14h 21m
JetBlue
Mon 9/75:00 pm
DCA
-
LHR
1 stop32h 30m
JetBlue
Deal found 7/6$643
This TravelUp deal was found by Cheapflights users on 7/6. 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 9/78:40 am
LHR
-
DCA
1 stop28h 18m
JetBlue
Wed 10/76:30 am
DCA
-
LHR
1 stop9h 15m
JetBlue
Deal found 7/6$651
This deal was found by Cheapflights users on 7/6. 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 7/3012:20 pm
LGW
-
DCA
1 stop11h 44m
JetBlue
Mon 8/32:25 pm
DCA
-
LGW
1 stop14h 10m
JetBlue
Deal found 7/6$652
This TravelUp deal was found by Cheapflights users on 7/4. 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 11/49:20 am
LHR
-
DCA
1 stop14h 31m
JetBlue
Mon 11/93:55 pm
DCA
-
LHR
1 stop10h 00m
JetBlue
Deal found 7/4$657
This TravelUp deal was found by Cheapflights users on 7/2. 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.
Tue 10/2012:30 pm
LHR
-
DCA
1 stop11h 35m
British Airways
Tue 10/274:55 pm
DCA
-
LHR
1 stop10h 05m
British Airways
Deal found 7/2$664
This TravelUp deal was found by Cheapflights users on 7/2. 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 8/265:25 pm
LHR
-
DCA
1 stop11h 08m
British Airways
Mon 9/216:23 pm
DCA
-
LHR
1 stop9h 47m
British Airways
Deal found 7/2$667

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 July 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$600
(United Airlines)

One-way from

$437
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$781
Provider with most accurate pricing for London (LON)-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. Reagan-National 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. 4% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 7, 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.

LHR - DCA

LHRDCA

London Heathrow

Tue 9/1

5:25 pm-11:33 pm

1 stop11h 08m

Washington, D.C. Reagan-National

Sun 9/6

6:23 pm-9:10 am

1 stop9h 47m

$705

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 8/27

5:25 pm-11:33 pm

1 stop11h 08m

Washington, D.C. Reagan-National

Thu 9/10

6:23 pm-9:10 am

1 stop9h 47m

$705
Quickest round-trip

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 9/1

5:25 pm-11:33 pm

1 stop11h 08m

Washington, D.C. Reagan-National

Mon 9/7

5:35 pm-7:50 am

1 stop9h 15m

$705

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 8/27

9:15 am-3:58 pm

1 stop11h 43m

Washington, D.C. Reagan-National

Thu 9/3

6:00 am-9:40 pm

1 stop10h 40m

$707

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 9/2

9:15 am-3:58 pm

1 stop11h 43m

Washington, D.C. Reagan-National

Thu 9/10

6:00 am-9:40 pm

1 stop10h 40m

$707

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 9/17

3:00 pm-9:59 pm

1 stop11h 59m

Washington, D.C. Reagan-National

Wed 9/30

4:59 pm-8:00 am

1 stop10h 01m

$707

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 8/27

12:20 pm-7:05 pm

1 stop11h 45m

Washington, D.C. Reagan-National

Mon 9/7

6:25 pm-9:35 am

1 stop10h 10m

$708

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 8/29

12:20 pm-7:05 pm

1 stop11h 45m

Washington, D.C. Reagan-National

Sun 9/6

5:00 pm-9:35 am

1 stop11h 35m

$709

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 8/21

3:00 pm-10:01 pm

1 stop12h 01m

Washington, D.C. Reagan-National

Mon 8/31

2:59 pm-7:10 am

1 stop11h 11m

$720

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 10/29

12:35 pm-8:59 pm

1 stop12h 24m

Washington, D.C. Reagan-National

Thu 11/5

2:00 pm-9:40 am

1 stop14h 40m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 60 resultsSorted by cheapest first
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  • Most accurate provider: When it comes to deals on London-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

    British Airways, JetBlue, and Virgin Atlantic can get you from London to Washington, D.C. Reagan-National Airport in just under 11h 08m. Your travel time can differ by up to 27h 05m. 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Falls Church
Fredericksburg
Hanover
Laurel
Silver Spring
Clinton
Hunt Valley
Cordova
Woodbridge

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