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Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from £346

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
24 Jul — 31 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Reagan-National

Enter your travel dates to find the best prices.

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 24 June 2026.

Fri 3/718:05
LHR
-
DCA
1 stop10h 56m
British Airways
Thu 16/706:30
DCA
-
LHR
1 stop10h 10m
British Airways
Deal found 24/6£447
Thu 24/906:00
LHR
-
DCA
2 stops17h 15m
Air Canada
Tue 29/912:40
DCA
-
LHR
2 stops12h 50m
Air Canada
Deal found 24/6£451
Sat 29/806:50
LHR
-
DCA
2 stops15h 08m
United Airlines
Wed 30/906:00
DCA
-
LHR
1 stop9h 40m
United Airlines
Deal found 23/6£452
Wed 18/1106:50
LHR
-
DCA
2 stops20h 09m
Air Canada
Thu 11/216:00
DCA
-
LHR
1 stop10h 10m
Air Canada
Deal found 23/6£452
Thu 15/1006:50
LHR
-
DCA
2 stops16h 25m
Air Canada
Sun 18/1016:20
DCA
-
LHR
1 stop12h 40m
Air Canada
Deal found 22/6£455
Tue 3/1109:00
LHR
-
DCA
2 stops15h 58m
Air Canada
Mon 23/1116:00
DCA
-
LHR
2 stops14h 20m
Air Canada
Deal found 24/6£455
Fri 30/1009:00
LHR
-
DCA
2 stops17h 37m
Air Canada
Sat 7/1116:00
DCA
-
LHR
2 stops14h 20m
Air Canada
Deal found 23/6£456
Wed 18/1109:00
LHR
-
DCA
2 stops15h 58m
Air Canada
Mon 1/216:00
DCA
-
LHR
2 stops14h 20m
Air Canada
Deal found 23/6£457
Fri 11/917:25
LHR
-
DCA
1 stop10h 45m
British Airways
Sun 27/916:59
DCA
-
LHR
1 stop10h 01m
British Airways
Deal found 23/6£458
Mon 29/609:30
LHR
-
DCA
1 stop31h 30m
Air Canada
Wed 29/718:55
DCA
-
LHR
1 stop11h 55m
Air Canada
Deal found 20/6£464
Wed 1/714:10
LHR
-
DCA
1 stop26h 50m
Air Canada
Sat 11/716:20
DCA
-
LHR
1 stop12h 40m
Air Canada
Deal found 19/6£465
Mon 6/709:30
LHR
-
DCA
1 stop31h 30m
Air Canada
Fri 24/718:55
DCA
-
LHR
1 stop11h 55m
Air Canada
Deal found 23/6£465

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 24 June 2026.

Round-trip from

£447

One-way from

£346

Popular in

April

Cheapest in

February

Average price

£605
British Airways
  • British Airways
  • 24/8-6/9
  • 2 total stops
  • 22h 10m total
  • London to Washington, D.C.
Search Deals
JetBlue
  • JetBlue
  • 16/9
  • 1 total stop
  • 19h 44m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 24 June 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 return flight

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 2/7

07:45-14:23

1 stop11h 38m

Washington, D.C. Reagan-National

Sat 11/7

13:00-08:20

1 stop14h 20m

£473

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 3/7

09:30-15:23

1 stop10h 53m

Washington, D.C. Reagan-National

Mon 3/8

19:10-11:55

1 stop11h 45m

£473

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 1/9

15:00-21:51

1 stop11h 51m

Washington, D.C. Reagan-National

Sun 13/9

15:17-06:55

1 stop10h 38m

£474

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 30/6

09:15-16:13

1 stop11h 58m

Washington, D.C. Reagan-National

Sun 5/7

05:59-21:40

1 stop10h 41m

£474

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 10/7

18:00-09:32

1 stop20h 32m

Washington, D.C. Reagan-National

Tue 14/7

16:30-09:20

1 stop11h 50m

£474

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 27/6

15:00-21:54

1 stop11h 54m

Washington, D.C. Reagan-National

Thu 16/7

14:54-06:25

1 stop10h 31m

£474

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 5/8

10:25-16:57

1 stop11h 32m

Washington, D.C. Reagan-National

Sat 5/9

10:30-06:45

1 stop15h 15m

£499
Fastest return journey

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 23/7

07:45-14:23

1 stop11h 38m

Washington, D.C. Reagan-National

Sat 1/8

06:00-21:25

1 stop10h 25m

£499

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 12/9

16:20-22:59

1 stop11h 39m

Washington, D.C. Reagan-National

Mon 28/9

15:15-06:45

1 stop10h 30m

£502

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 8/9

08:40-19:56

1 stop16h 16m

Washington, D.C. Reagan-National

Mon 28/9

06:30-20:45

1 stop9h 15m

£516

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 return 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 £441). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of £775). 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 for a return flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated 24 June 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport, such as Virgin Atlantic,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
690 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
9,888 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
American Airlines
7.1
Good
11,757 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
JetBlue
7.1
Good
3,002 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,072 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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?

    There are many flights that can get you from London Heathrow Airport to Washington, D.C. Reagan-National Airport in 11h 38m. Fly via United Airlines or British Airways to get the fastest option. The distance between London Heathrow Airport and Washington, D.C. Reagan-National Airport is about 3652 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport round-trip?

    Flying on United Airlines is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at £336. Additional return tickets that might be worth considering are offered by JetBlue and British Airways, with the lowest prices starting at £420 and £436, respectively. Users have found that United Airlines is 42% cheaper than the other options available to this destination.

  • 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 holiday 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 £441). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of £775). 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

Travelling 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
Silver Spring
Oxon Hill
Gaithersburg
Hanover
Woodbridge
Alexandria

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Heathrow to Reagan-National

Discover the top 5 airlines that operate flights from Heathrow to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£336Average£594FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest£420Average£605FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£436Average£541FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£442Average£538FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£548Average£597FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Reagan-National?

Cheapflights makes it easy to find Heathrow to Reagan-National flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Reagan-National?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Reagan-National from Heathrow.

Can Cheapflights find flights from Heathrow to Reagan-National with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Reagan-National flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Reagan-National become cheaper?

Of course! You can now track prices for flights from Heathrow to Reagan-National and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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