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Reagan-National

$558+ Cheap flights from Heathrow (LHR) to Reagan-National (DCA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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Cheap flight deals from Heathrow to Reagan-National

Cheapest flights from Heathrow to Reagan-National
Explore the most affordable flight options available from Heathrow to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.

This deal was found by Cheapflights users on 4/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:00 pm
LHR
-
DCA
1 stop15h 15m
American Airlines
Mon 5/253:20 pm
DCA
-
LHR
1 stop15h 50m
American Airlines
Deal found 4/21$558
This deal was found by Cheapflights users on 4/18. 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.
Fri 5/89:30 am
LHR
-
DCA
1 stop12h 55m
United Airlines
Sun 5/173:05 pm
DCA
-
LHR
1 stop12h 15m
United Airlines
Deal found 4/18$560
This deal was found by Cheapflights users on 4/19. 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 7/14:20 pm
LHR
-
DCA
1 stop11h 55m
Delta
Tue 7/1412:23 pm
DCA
-
LHR
1 stop13h 47m
Delta
Deal found 4/19$570
This United Airlines deal was found by Cheapflights users on 4/22. 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 6/132:10 pm
LHR
-
DCA
1 stop26h 51m
United Airlines
Mon 6/156:00 am
DCA
-
LHR
1 stop10h 35m
United Airlines
Deal found 4/22$572
This United Airlines deal was found by Cheapflights users on 4/18. 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 9/262:10 pm
LHR
-
DCA
1 stop26h 50m
United Airlines
Mon 9/286:00 am
DCA
-
LHR
1 stop10h 35m
United Airlines
Deal found 4/18$573
This deal was found by Cheapflights users on 4/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/269:40 am
LHR
-
DCA
1 stop11h 28m
Delta
Mon 7/137:35 pm
DCA
-
LHR
1 stop12h 40m
Delta
Deal found 4/21$574
This deal was found by Cheapflights users on 4/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:40 am
LHR
-
DCA
1 stop12h 56m
Delta
Sun 5/243:00 pm
DCA
-
LHR
1 stop10h 45m
Delta
Deal found 4/21$584
This deal was found by Cheapflights users on 4/19. 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.
Mon 6/293:15 pm
LHR
-
DCA
1 stop13h 29m
Delta
Mon 7/131:42 pm
DCA
-
LHR
1 stop11h 43m
Delta
Deal found 4/19$586
This deal was found by Cheapflights users on 4/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:15 am
LHR
-
DCA
1 stop15h 45m
American Airlines
Mon 5/252:24 pm
DCA
-
LHR
1 stop11h 56m
American Airlines
Deal found 4/21$588
This deal was found by Cheapflights users on 4/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:30 am
LHR
-
DCA
1 stop11h 54m
United Airlines
Sat 5/235:55 pm
DCA
-
LHR
1 stop11h 30m
United Airlines
Deal found 4/20$609
This deal was found by Cheapflights users on 4/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/298:40 am
LHR
-
DCA
1 stop14h 05m
JetBlue
Mon 7/136:21 am
DCA
-
LHR
1 stop9h 24m
JetBlue
Deal found 4/21$612
This deal was found by Cheapflights users on 4/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:15 am
LHR
-
DCA
1 stop15h 45m
American Airlines
Sun 5/242:35 pm
DCA
-
LHR
1 stop14h 55m
American Airlines
Deal found 4/21$618

Find flight deals from Heathrow to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$558

Popular in

April

Cheapest in

February

Average price

$905
Provider with most accurate pricing for London Heathrow-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Washington, D.C. Reagan-National flights.
Search Deals
From London Heathrow to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 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 Heathrow 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 23, 2026.
Use the filters below to find and compare flights from London Heathrow Airport 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

Thu 5/7

2:05 pm-9:55 pm

1 stop12h 50m

Washington, D.C. Reagan-National

Tue 5/19

7:00 am-9:25 pm

1 stop9h 25m

$727

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 7/22

4:05 pm-11:46 pm

1 stop12h 41m

Washington, D.C. Reagan-National

Wed 8/5

3:15 pm-6:45 am

1 stop10h 30m

$730

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 5/8

11:55 am-10:59 pm

1 stop16h 04m

Washington, D.C. Reagan-National

Mon 5/11

6:00 am-8:45 pm

1 stop9h 45m

$751

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 10/8

11:20 am-6:05 pm

1 stop11h 45m

Washington, D.C. Reagan-National

Tue 10/13

3:30 pm-6:45 am

1 stop10h 15m

$760

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 5/23

7:45 am-2:23 pm

1 stop11h 38m

Washington, D.C. Reagan-National

Sat 5/23

6:55 pm-6:30 am

1 stop30h 35m

$770

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 8/12

3:50 pm-11:12 pm

1 stop12h 22m

Washington, D.C. Reagan-National

Sat 8/22

6:05 am-8:10 pm

1 stop9h 05m

$776

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 8/14

12:50 pm-11:12 pm

1 stop15h 22m

Washington, D.C. Reagan-National

Mon 8/24

6:55 pm-10:40 am

1 stop10h 45m

$777

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 5/16

4:20 pm-11:24 pm

1 stop12h 04m

Washington, D.C. Reagan-National

Sat 5/23

5:00 pm-10:40 am

1 stop12h 40m

$784

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 5/22

4:50 pm-11:42 pm

1 stop11h 52m

Washington, D.C. Reagan-National

Wed 5/27

6:16 pm-10:40 am

1 stop11h 24m

$788
Quickest round-trip

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 5/29

9:15 am-4:13 pm

1 stop11h 58m

Washington, D.C. Reagan-National

Sat 6/13

5:22 pm-7:50 am

1 stop9h 28m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from Heathrow to Reagan-National

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Reagan-National in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-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 Heathrow Airport-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 Heathrow Airport-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 Heathrow Airport-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 Heathrow Airport-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 Heathrow to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Heathrow 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 Heathrow Airport to Washington, D.C. Reagan-National Airport

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport (average of $585). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of $905). 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 Heathrow Airport to Washington, D.C. Reagan-National Airport?

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow Airport to Washington, D.C. Reagan-National Airport?

    Departing from London Heathrow Airport to Washington, D.C. Reagan-National Airport will take you 12h 41m. The distance from London Heathrow Airport to Washington, D.C. Reagan-National Airport is about 3652 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport (average of $585). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of $905). 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
Tysons
Owings Mills
Springfield
Arlington
Woodbridge
Silver Spring
Herndon
Rockville
Hyattsville
Fredericksburg
Hanover
Laurel
Manassas
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Hunt Valley

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