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Reagan-National

$574+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Find cheap flights from Heathrow to Reagan-National with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

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Cheapflights Tip: The best prices from London Heathrow to Washington, D.C. Reagan-National are usually found in November or March, booked 85 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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 December 12, 2025.

This JetBlue deal was found by Cheapflights users on 12/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:20 amLHR - DCA
1 stop11h 29mJetBlue
Sun 1/1811:55 amDCA - LHR
1 stop14h 00mJetBlue
Deal found 12/10$651
This JetBlue deal was found by Cheapflights users on 12/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:20 pmLHR - DCA
1 stop15h 26mJetBlue
Mon 12/292:00 pmDCA - LHR
1 stop11h 55mJetBlue
Deal found 12/10$769
This Trip.com deal was found by Cheapflights users on 12/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:20 amLHR - DCA
1 stop30h 15mJetBlue
Tue 2/31:00 pmDCA - LHR
1 stop12h 55mJetBlue
Deal found 12/10$782
This Expedia deal was found by Cheapflights users on 12/11. 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.
Tue 12/239:55 amLHR - DCA
1 stop12h 39mBritish Airways
Mon 1/52:35 pmDCA - LHR
1 stop11h 25mBritish Airways
Deal found 12/11$792
This ChecknFly deal was found by Cheapflights users on 12/11. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1911:45 amLHR - DCA
1 stop13h 35mFinnair
Fri 1/97:31 pmDCA - LHR
1 stop11h 29mFinnair
Deal found 12/11$797
This ChecknFly deal was found by Cheapflights users on 12/11. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:35 amLHR - DCA
1 stop28h 05mFinnair
Tue 12/3011:32 amDCA - LHR
1 stop14h 28mFinnair
Deal found 12/11$798
This ChecknFly deal was found by Cheapflights users on 12/10. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:35 pmLHR - DCA
1 stop12h 41mFinnair
Tue 1/131:35 pmDCA - LHR
1 stop11h 45mFinnair
Deal found 12/10$810
This British Airways deal was found by Cheapflights users on 12/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:30 pmLHR - DCA
1 stop12h 29mBritish Airways
Tue 1/65:45 pmDCA - LHR
1 stop10h 55mBritish Airways
Deal found 12/11$818
This British Airways deal was found by Cheapflights users on 12/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:35 pmLHR - DCA
1 stop12h 25mBritish Airways
Tue 12/302:35 pmDCA - LHR
1 stop11h 25mBritish Airways
Deal found 12/10$819
This British Airways deal was found by Cheapflights users on 12/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1911:45 amLHR - DCA
1 stop15h 30mBritish Airways
Sun 1/46:26 pmDCA - LHR
1 stop31h 34mBritish Airways
Deal found 12/11$820
This TravelUp deal was found by Cheapflights users on 12/10. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:20 amLHR - DCA
1 stop11h 29mJetBlue
Wed 1/146:00 amDCA - LHR
1 stop10h 40mJetBlue
Deal found 12/10$823
This Trip.com deal was found by Cheapflights users on 12/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/129:20 amLHR - DCA
1 stop11h 40mJetBlue
Sat 1/1712:20 pmDCA - LHR
1 stop13h 35mJetBlue
Deal found 12/10$825

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$630
(Ovago)

One-way from

$574
(FlightHub)

Popular in

July

Cheapest in

November

Average price

$745
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 ($102 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 December 2025
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 December 12, 2025.
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

Mon 5/4

8:25 am-7:59 pm

1 stop16h 34m

Washington, D.C. Reagan-National

Sun 5/10

6:30 am-8:45 pm

1 stop9h 15m

$646

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 5/2

8:25 am-4:19 pm

1 stop12h 54m

Washington, D.C. Reagan-National

Wed 5/6

6:30 am-8:45 pm

1 stop9h 15m

$646

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 5/2

8:25 am-4:19 pm

1 stop12h 54m

Washington, D.C. Reagan-National

Mon 5/11

6:30 am-8:45 pm

1 stop9h 15m

$646

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 5/2

8:25 am-4:19 pm

1 stop12h 54m

Washington, D.C. Reagan-National

Thu 5/7

6:30 am-8:45 pm

1 stop9h 15m

$646

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 5/1

11:55 am-10:59 pm

1 stop16h 04m

Washington, D.C. Reagan-National

Wed 5/6

6:30 am-8:45 pm

1 stop9h 15m

$646

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 5/12

8:25 am-7:59 pm

1 stop16h 34m

Washington, D.C. Reagan-National

Tue 5/19

6:30 am-8:45 pm

1 stop9h 15m

$648

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 4/20

11:55 am-10:57 pm

1 stop16h 02m

Washington, D.C. Reagan-National

Sat 4/25

6:05 am-8:45 pm

1 stop9h 40m

$650

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 12/30

9:20 am-3:49 pm

1 stop11h 29m

Washington, D.C. Reagan-National

Sun 1/18

11:55 am-6:55 am

1 stop14h 00m

$651

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 1/10

9:20 am-9:45 pm

1 stop17h 25m

Washington, D.C. Reagan-National

Tue 1/13

6:00 am-9:40 pm

1 stop10h 40m

$694

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 1/10

12:20 pm-10:59 pm

1 stop15h 39m

Washington, D.C. Reagan-National

Thu 1/15

6:00 am-9:40 pm

1 stop10h 40m

$702

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 24 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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Heathrow Airport-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 2025.

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 $684). 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 16h 34m. 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 $684). 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
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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