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Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from £410

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
9 Jul — 16 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 9 June 2026.

Wed 15/709:15
LHR
-
DCA
1 stop11h 58m
British Airways
Fri 31/713:39
DCA
-
LHR
1 stop12h 16m
British Airways
Deal found 8/6£491
Thu 27/809:30
LHR
-
DCA
1 stop31h 30m
United Airlines
Tue 1/906:00
DCA
-
LHR
1 stop10h 25m
United Airlines
Deal found 8/6£493
Tue 16/614:05
LHR
-
DCA
1 stop12h 50m
Multiple Airlines
Tue 21/709:40
DCA
-
LHR
1 stop15h 50m
Multiple Airlines
Deal found 9/6£495
Fri 17/709:30
LHR
-
DCA
1 stop11h 08m
United Airlines
Wed 5/806:00
DCA
-
LHR
1 stop9h 40m
United Airlines
Deal found 7/6£495
Fri 24/709:30
LHR
-
DCA
1 stop17h 18m
United Airlines
Fri 31/706:00
DCA
-
LHR
1 stop10h 25m
United Airlines
Deal found 9/6£496
Mon 13/714:10
LHR
-
DCA
1 stop14h 21m
Finnair
Sat 18/719:58
DCA
-
LHR
1 stop20h 42m
Finnair
Deal found 9/6£497
Sat 25/718:00
LHR
-
DCA
1 stop18h 46m
United Airlines
Tue 4/813:00
DCA
-
LHR
1 stop11h 55m
United Airlines
Deal found 8/6£498
Sat 22/809:30
LHR
-
DCA
1 stop11h 08m
United Airlines
Sat 29/816:20
DCA
-
LHR
1 stop12h 40m
United Airlines
Deal found 7/6£498
Fri 17/709:30
LHR
-
DCA
1 stop11h 08m
United Airlines
Mon 20/715:10
DCA
-
LHR
1 stop11h 05m
United Airlines
Deal found 5/6£499
Fri 18/1212:00
LHR
-
DCA
1 stop11h 23m
United Airlines
Sun 27/1206:00
DCA
-
LHR
1 stop10h 20m
United Airlines
Deal found 6/6£500
Wed 15/713:45
LHR
-
DCA
1 stop11h 56m
British Airways
Wed 5/818:23
DCA
-
LHR
1 stop9h 47m
British Airways
Deal found 8/6£501
Sun 14/614:05
LHR
-
DCA
1 stop12h 50m
Multiple Airlines
Sun 12/709:40
DCA
-
LHR
1 stop15h 50m
Multiple Airlines
Deal found 6/6£501

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 9 June 2026.

Round-trip from

£491

One-way from

£410

Popular in

April

Cheapest in

February

Average price

£550
British Airways
  • British Airways
  • 15/7-31/7
  • 2 total stops
  • 24h 14m total
  • London to Washington, D.C.
Search Deals
Icelandair
  • Icelandair
  • 20/10
  • 2 total stops
  • 23h 51m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 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 9 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

Sat 18/7

09:30-15:38

1 stop11h 08m

Washington, D.C. Reagan-National

Thu 6/8

06:00-21:20

1 stop10h 20m

£502

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 9/7

17:25-23:31

1 stop11h 06m

Washington, D.C. Reagan-National

Sat 11/7

19:58-21:40

1 stop20h 42m

£516

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 25/7

09:30-15:38

1 stop11h 08m

Washington, D.C. Reagan-National

Tue 25/8

16:30-07:15

1 stop9h 45m

£521

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 8/8

07:45-14:23

1 stop11h 38m

Washington, D.C. Reagan-National

Sat 29/8

13:01-05:55

1 stop11h 54m

£522

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 9/8

07:45-15:23

1 stop12h 38m

Washington, D.C. Reagan-National

Sat 15/8

13:01-05:55

1 stop11h 54m

£522

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 10/7

09:15-16:13

1 stop11h 58m

Washington, D.C. Reagan-National

Fri 24/7

06:30-21:40

1 stop10h 10m

£531

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 10/8

20:35-23:33

2 stops31h 58m

Washington, D.C. Reagan-National

Mon 14/9

18:23-06:25

1 stop31h 02m

£534

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 23/7

09:15-16:13

1 stop11h 58m

Washington, D.C. Reagan-National

Thu 6/8

16:59-08:00

1 stop10h 01m

£540

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 5/12

09:35-16:25

1 stop11h 50m

Washington, D.C. Reagan-National

Wed 16/12

13:44-06:35

1 stop11h 51m

£549
Fastest return journey

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 9/10

09:30-15:23

1 stop10h 53m

Washington, D.C. Reagan-National

Thu 15/10

06:00-20:40

1 stop9h 40m

£549

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 £438). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of £678). 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 9 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
689 reviews
Check prices

Food

6.9

Entertainment

7.5

Overall

7.5

Comfort

7.3

Crew

8.1

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
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Food

6.9

Entertainment

7.5

Overall

7.5

Comfort

7.3

Crew

8.1

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
9,794 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Food

6.9

Entertainment

7.5

Overall

7.5

Comfort

7.3

Crew

8.1

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
11,643 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Food

6.9

Entertainment

7.5

Overall

7.5

Comfort

7.3

Crew

8.1

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
2,980 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Food

6.9

Entertainment

7.5

Overall

7.5

Comfort

7.3

Crew

8.1

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
8,031 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Food

6.9

Entertainment

7.5

Overall

7.5

Comfort

7.3

Crew

8.1

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 06m. Fly via United Airlines or Finnair 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 Air Canada is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at £401. Additional return tickets that might be worth considering are offered by JetBlue and United Airlines, with the lowest prices starting at £416 and £422, respectively. Users have found that Air Canada is 28% 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 £438). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of £678). 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
Hanover
Oxon Hill
Gaithersburg
Woodbridge
Alexandria

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Heathrow to Reagan-National

Discover the top 6 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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£401Average£581FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£416Average£644FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£422Average£589FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£432Average£536FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£438Average£533FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£543Average£591FlexibilityNo 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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