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Reagan-National

$486+ Cheap flights from Heathrow (LHR) 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
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 February 11, 2026.

This Gotogate deal was found by Cheapflights users on 2/10. 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.
Tue 3/31:45 pm
LHR
-
DCA
2 stops37h 11m
Air Canada
Sun 3/812:55 pm
DCA
-
LHR
1 stop16h 25m
Air Canada
Deal found 2/10$537
This Air Canada deal was found by Cheapflights users on 2/9. 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.
Wed 3/119:00 am
LHR
-
DCA
2 stops16h 56m
Multiple Airlines
Wed 3/1812:55 pm
DCA
-
LHR
1 stop16h 25m
Multiple Airlines
Deal found 2/9$543
This Air Canada deal was found by Cheapflights users on 2/9. 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.
Wed 3/119:00 am
LHR
-
DCA
2 stops16h 56m
Air Canada
Wed 3/1812:55 pm
DCA
-
LHR
1 stop16h 25m
Air Canada
Deal found 2/9$544
This Air Canada deal was found by Cheapflights users on 2/9. 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.
Thu 3/129:00 am
LHR
-
DCA
2 stops16h 56m
Air Canada
Mon 3/1612:55 pm
DCA
-
LHR
2 stops14h 15m
Air Canada
Deal found 2/9$546
This Air Canada deal was found by Cheapflights users on 2/9. 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.
Wed 3/119:00 am
LHR
-
DCA
2 stops16h 56m
Air Canada
Mon 3/2312:55 pm
DCA
-
LHR
2 stops14h 15m
Air Canada
Deal found 2/9$547
This Air Canada deal was found by Cheapflights users on 2/9. 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.
Wed 2/259:00 am
LHR
-
DCA
2 stops15h 59m
Air Canada
Wed 4/2912:55 pm
DCA
-
LHR
1 stop14h 40m
Air Canada
Deal found 2/9$549
This Air Canada deal was found by Cheapflights users on 2/9. 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.
Mon 3/99:00 am
LHR
-
DCA
2 stops17h 35m
Air Canada
Mon 3/1612:55 pm
DCA
-
LHR
2 stops14h 15m
Air Canada
Deal found 2/9$552
This Air Canada deal was found by Cheapflights users on 2/10. 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.
Thu 2/266:50 am
LHR
-
DCA
2 stops13h 41m
Air Canada
Thu 3/511:05 am
DCA
-
LHR
1 stop15h 05m
Air Canada
Deal found 2/10$553
This Air Canada deal was found by Cheapflights users on 2/10. 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.
Wed 3/46:50 am
LHR
-
DCA
2 stops13h 41m
Air Canada
Wed 3/114:10 pm
DCA
-
LHR
1 stop11h 00m
Air Canada
Deal found 2/10$554
This Air Canada deal was found by Cheapflights users on 2/10. 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.
Fri 2/276:50 am
LHR
-
DCA
2 stops13h 41m
Air Canada
Tue 3/311:05 am
DCA
-
LHR
1 stop15h 05m
Air Canada
Deal found 2/10$555

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$537
(Gotogate)

One-way from

$486
(Cheapflightsfares)

Popular in

July

Cheapest in

January

Average price

$680
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
One-way flight from London Heathrow to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 11, 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

Heathrow

Fly to

Reagan-National

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 5/1

8:40 am-9:55 pm

2 stops18h 15m

Washington, D.C. Reagan-National

Sun 5/31

12:45 pm-9:00 pm

2 stops51h 15m

$577

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 3/3

1:25 pm-9:56 pm

1 stop13h 31m

Washington, D.C. Reagan-National

Sun 3/8

2:00 pm-5:55 am

1 stop11h 55m

$582

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 3/9

8:00 am-3:23 pm

1 stop11h 23m

Washington, D.C. Reagan-National

Tue 3/17

6:00 am-8:35 pm

1 stop10h 35m

$584

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 2/27

9:20 am-4:04 pm

1 stop11h 44m

Washington, D.C. Reagan-National

Tue 3/17

1:00 pm-6:55 am

1 stop13h 55m

$607

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 2/24

9:20 am-9:20 pm

1 stop17h 00m

Washington, D.C. Reagan-National

Sun 3/1

6:00 am-8:45 pm

1 stop9h 45m

$607

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 2/26

9:20 am-4:04 pm

1 stop11h 44m

Washington, D.C. Reagan-National

Tue 3/17

6:00 am-9:40 pm

1 stop11h 40m

$607

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 2/25

9:20 am-4:04 pm

1 stop11h 44m

Washington, D.C. Reagan-National

Mon 3/16

3:55 pm-6:55 am

1 stop11h 00m

$607

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 2/25

9:20 am-5:49 pm

1 stop13h 29m

Washington, D.C. Reagan-National

Tue 3/17

5:15 pm-6:55 am

1 stop9h 40m

$607

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 5/15

2:05 pm-9:55 pm

1 stop12h 50m

Washington, D.C. Reagan-National

Mon 5/25

6:00 am-8:40 pm

1 stop9h 40m

$608

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 3/11

9:20 am-5:49 pm

1 stop12h 29m

Washington, D.C. Reagan-National

Wed 3/18

3:55 pm-6:55 am

1 stop11h 00m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 23 results
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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 February.
ProviderPrice AccuracyTrust Score*
PricelinePrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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

How far ahead should I book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Reagan-National. Price data was last updated on February 6, 2026.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport (average of $553). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $682). 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 11h 44m. 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport (average of $553). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $682). 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
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

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