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Reagan-National

$523+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
Feb 22 — Mar 11
Sun 2/22
Sun 3/1
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 January 23, 2026.

This United Airlines deal was found by Cheapflights users on 1/22. 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.
Thu 2/59:30 am
LHR
-
DCA
2 stops15h 02m
United Airlines
Sun 2/86:00 pm
DCA
-
LHR
1 stop12h 05m
United Airlines
Deal found 1/22$547
This Air Canada deal was found by Cheapflights users on 1/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:50 am
LHR
-
DCA
2 stops13h 41m
Air Canada
Sun 2/2212:55 pm
DCA
-
LHR
2 stops13h 15m
Air Canada
Deal found 1/22$548
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:50 am
LHR
-
DCA
2 stops13h 41m
Air Canada
Mon 2/96:00 am
DCA
-
LHR
1 stop20h 10m
Air Canada
Deal found 1/20$549
This Air Canada deal was found by Cheapflights users on 1/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:00 am
LHR
-
DCA
2 stops15h 59m
Air Canada
Thu 2/266:50 pm
DCA
-
LHR
1 stop11h 30m
Air Canada
Deal found 1/22$550
This Air Canada deal was found by Cheapflights users on 1/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:00 am
LHR
-
DCA
2 stops17h 05m
Air Canada
Fri 2/2012:55 pm
DCA
-
LHR
2 stops17h 55m
Air Canada
Deal found 1/22$552
This Air Canada deal was found by Cheapflights users on 1/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:50 am
LHR
-
DCA
2 stops13h 41m
Air Canada
Wed 3/1112:55 pm
DCA
-
LHR
2 stops13h 35m
Air Canada
Deal found 1/22$553
This ResecentrumGruppen deal was found by Cheapflights users on 1/21. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2911:10 am
LHR
-
DCA
1 stop11h 55m
Air Canada
Wed 2/44:15 pm
DCA
-
LHR
1 stop9h 55m
Air Canada
Deal found 1/21$556
This Air Canada deal was found by Cheapflights users on 1/21. 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.
Fri 2/276:50 am
LHR
-
DCA
2 stops13h 41m
Air Canada
Tue 3/311:05 am
DCA
-
LHR
2 stops14h 25m
Air Canada
Deal found 1/21$557
This TravelUp deal was found by Cheapflights users on 1/22. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:20 am
LHR
-
DCA
1 stop13h 14m
JetBlue
Thu 2/266:00 am
DCA
-
LHR
1 stop10h 40m
JetBlue
Deal found 1/22$558
This Expedia deal was found by Cheapflights users on 1/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3112:55 pm
LHR
-
DCA
1 stop11h 13m
British Airways
Tue 2/35:45 pm
DCA
-
LHR
1 stop9h 25m
British Airways
Deal found 1/22$559

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 January 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Priceline
3 stars

Round-trip from

$548
(Air Canada)

One-way from

$523
(Trip.com)

Popular in

July

Cheapest in

November

Average price

$659
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 January 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 January 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

Heathrow

Fly to

Reagan-National

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 2/5

9:30 am-7:32 pm

2 stops15h 02m

Washington, D.C. Reagan-National

Sun 2/8

6:00 pm-11:05 am

1 stop12h 05m

$547

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 3/9

6:50 am-4:32 pm

2 stops13h 42m

Washington, D.C. Reagan-National

Mon 3/16

12:00 pm-5:55 am

1 stop13h 55m

$548

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 3/14

1:25 pm-9:56 pm

1 stop12h 31m

Washington, D.C. Reagan-National

Sat 3/21

6:00 am-9:20 pm

1 stop11h 20m

$574

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 3/13

1:25 pm-9:56 pm

1 stop12h 31m

Washington, D.C. Reagan-National

Sat 3/21

6:00 am-9:20 pm

1 stop11h 20m

$574

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 2/5

1:25 pm-9:56 pm

1 stop13h 31m

Washington, D.C. Reagan-National

Mon 2/9

1:00 pm-5:55 am

1 stop11h 55m

$574

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 2/11

1:25 pm-3:31 pm

1 stop31h 06m

Washington, D.C. Reagan-National

Mon 2/16

6:00 am-8:35 pm

1 stop9h 35m

$575

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 2/10

10:15 am-4:50 pm

1 stop11h 35m

Washington, D.C. Reagan-National

Mon 3/9

4:34 pm-6:35 am

1 stop10h 01m

$576

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 2/9

3:35 pm-10:03 pm

1 stop11h 28m

Washington, D.C. Reagan-National

Mon 3/9

6:20 am-8:00 pm

1 stop9h 40m

$577

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 2/19

9:55 am-7:44 pm

1 stop14h 49m

Washington, D.C. Reagan-National

Thu 2/26

3:21 pm-8:15 am

1 stop11h 54m

$577

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 2/18

2:50 pm-4:59 pm

3 stops31h 09m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 19 results
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2

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Priceline the most. Priceline 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 January 16, 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 $683). 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.

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 15h 02m. The distance from London Heathrow Airport to Washington, D.C. Reagan-National Airport is about 3652 mi.

  • 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 $683). 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
Hanover
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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