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Reagan-National

$449+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
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 July 24, 2026.

This TravelUp deal was found by Cheapflights users on 7/22. 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.
Wed 11/116:50 am
LHR
-
DCA
2 stops13h 34m
Air Canada
Thu 11/1912:55 pm
DCA
-
LHR
1 stop15h 25m
Air Canada
Deal found 7/22$587
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 10/236:00 pm
LHR
-
DCA
1 stop20h 59m
United Airlines
Sat 10/246:55 pm
DCA
-
LHR
1 stop31h 35m
United Airlines
Deal found 7/23$600
This Air Canada deal was found by Cheapflights users on 7/22. 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.
Sun 11/226:00 am
LHR
-
DCA
2 stops20h 59m
Air Canada
Sun 11/296:00 am
DCA
-
LHR
1 stop20h 10m
Air Canada
Deal found 7/22$612
This Air Canada deal was found by Cheapflights users on 7/23. 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 10/299:00 am
LHR
-
DCA
2 stops17h 38m
Air Canada
Tue 11/104:00 pm
DCA
-
LHR
1 stop10h 10m
Air Canada
Deal found 7/23$614
This Air Canada deal was found by Cheapflights users on 7/23. 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 10/78:40 am
LHR
-
DCA
2 stops16h 20m
Air Canada
Tue 10/1312:40 pm
DCA
-
LHR
2 stops16h 20m
Air Canada
Deal found 7/23$615
This lol.travel deal was found by Cheapflights users on 7/21. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:05 pm
LHR
-
DCA
1 stop12h 43m
Air Canada
Wed 8/264:20 pm
DCA
-
LHR
1 stop12h 40m
Air Canada
Deal found 7/21$621
This Air Canada deal was found by Cheapflights users on 7/22. 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 11/199:00 am
LHR
-
DCA
2 stops15h 58m
Air Canada
Sun 11/294:00 pm
DCA
-
LHR
2 stops14h 20m
Air Canada
Deal found 7/22$623
This TravelUp deal was found by Cheapflights users on 7/24. 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 10/612:30 pm
LHR
-
DCA
1 stop11h 35m
British Airways
Tue 10/205:55 pm
DCA
-
LHR
1 stop10h 15m
British Airways
Deal found 7/24$629

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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$587
(TravelUp)

One-way from

$449
(TravelUp)

Popular in

April

Cheapest in

February

Average price

$786
Provider with most accurate pricing for London Heathrow-Washington, D.C. Reagan-National flight deals.
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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. 9% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 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 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 July 24, 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

Sun 12/13

11:10 am-6:18 pm

1 stop12h 08m

Washington, D.C. Reagan-National

Thu 1/7

7:00 pm-10:25 am

1 stop10h 25m

$656

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 8/20

9:30 am-12:00 pm

1 stop31h 30m

Washington, D.C. Reagan-National

Thu 8/27

2:59 pm-9:20 am

1 stop13h 21m

$664

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 1/6

1:00 pm-10:38 pm

2 stops14h 38m

Washington, D.C. Reagan-National

Wed 1/20

4:00 pm-7:10 am

1 stop10h 10m

$666

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 9/6

9:30 am-3:38 pm

1 stop11h 08m

Washington, D.C. Reagan-National

Fri 9/25

6:00 am-9:25 pm

1 stop10h 25m

$666

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 8/26

3:00 pm-9:51 pm

1 stop11h 51m

Washington, D.C. Reagan-National

Mon 8/31

5:35 pm-7:50 am

1 stop9h 15m

$667

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 9/2

3:00 pm-9:51 pm

1 stop11h 51m

Washington, D.C. Reagan-National

Sun 9/6

6:00 am-9:40 pm

1 stop10h 40m

$670

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 10/7

9:15 am-4:10 pm

1 stop11h 55m

Washington, D.C. Reagan-National

Mon 10/12

6:00 am-9:40 pm

1 stop10h 40m

$672

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 9/24

4:35 pm-11:10 pm

1 stop11h 35m

Washington, D.C. Reagan-National

Sun 9/27

6:00 am-9:40 pm

1 stop10h 40m

$672
Quickest round-trip

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 10/31

11:40 am-7:27 pm

1 stop11h 47m

Washington, D.C. Reagan-National

Sat 11/7

4:44 pm-7:00 am

1 stop9h 16m

$674

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 1/6

12:55 pm-6:54 pm

1 stop10h 59m

Washington, D.C. Reagan-National

Wed 1/20

5:45 pm-9:15 am

1 stop10h 30m

$678

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 22 resultsSorted by cheapest first
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  • 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 $583). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of $1,024). 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?

Airfare is below average for this route at the moment.

London Heathrow Airport to Washington, D.C. Reagan-National Airport flights typically cost between $670 and $811 in November.
The cheapest round-trip price found within the last 5 days was $587 on Air Canada (Nov 11-Nov 19).

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 51m. 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 $583). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of $1,024). 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
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Clinton
Hunt Valley
Cordova
Woodbridge
Largo

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