Cheap flights from London to Washington, D.C. Reagan-National Airport from £407

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Reagan-National

Enter your travel dates to find the best prices.

Cheapest flights from London to Reagan-National
Explore the most affordable flight options available from London to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 June 2026.

Wed 1/713:45
LHR
-
DCA
1 stop12h 10m
American Airlines
Thu 9/706:30
DCA
-
LHR
1 stop10h 10m
American Airlines
Deal found 9/6£488
Fri 19/609:15
LHR
-
DCA
1 stop19h 39m
American Airlines
Mon 22/619:07
DCA
-
LHR
1 stop12h 03m
American Airlines
Deal found 9/6£489
Mon 6/709:15
LHR
-
DCA
1 stop14h 07m
American Airlines
Tue 21/713:59
DCA
-
LHR
1 stop15h 31m
American Airlines
Deal found 10/6£489
Fri 28/812:20
LGW
-
DCA
1 stop14h 10m
Iberia
Fri 4/906:52
DCA
-
LGW
2 stops20h 48m
Iberia
Deal found 10/6£490
Wed 8/714:45
LHR
-
DCA
1 stop14h 14m
Finnair
Sat 11/719:58
DCA
-
LHR
1 stop20h 42m
Finnair
Deal found 9/6£490
Tue 25/819:45
LHR
-
DCA
2 stops32h 14m
Virgin Atlantic
Mon 21/917:00
DCA
-
LHR
1 stop10h 50m
Virgin Atlantic
Deal found 10/6£492
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£493
Fri 17/709:30
LHR
-
DCA
1 stop11h 08m
United Airlines
Tue 4/806:00
DCA
-
LHR
1 stop9h 40m
United Airlines
Deal found 7/6£494
Wed 8/709:30
LHR
-
DCA
1 stop11h 08m
United Airlines
Tue 11/806:00
DCA
-
LHR
1 stop9h 40m
United Airlines
Deal found 9/6£495
Sat 27/612:20
LGW
-
DCA
1 stop13h 31m
Multiple Airlines
Tue 30/610:23
DCA
-
LGW
1 stop19h 17m
Multiple Airlines
Deal found 10/6£495
Mon 13/714:10
LHR
-
DCA
1 stop14h 21m
Finnair
Sat 18/719:58
DCA
-
LHR
1 stop20h 42m
Finnair
Deal found 9/6£495
Thu 9/707:45
LHR
-
DCA
1 stop11h 38m
United Airlines
Fri 14/806:00
DCA
-
LHR
1 stop9h 40m
United Airlines
Deal found 9/6£496

Find flight deals from London to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 11 June 2026.

Round-trip from

£488

One-way from

£407

Popular in

October

Cheapest in

February

Average price

£598
American Airlines
  • American Airlines
  • 1/7-12/7
  • 2 total stops
  • 22h 18m total
  • London to Washington, D.C.
JetBlue
  • JetBlue
  • 14/7
  • 1 total stop
  • 14h 30m total
  • London to Washington, D.C.
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 11 June 2026.
Use the filters below to find and compare flights from London 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

Fri 3/7

18:05-00:01

1 stop10h 56m

Washington, D.C. Reagan-National

Wed 2/9

16:59-08:00

1 stop10h 01m

£498
Fastest return journey

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 26/7

09:30-15:38

1 stop11h 08m

Washington, D.C. Reagan-National

Sun 30/8

16:30-07:15

1 stop9h 45m

£519

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 14/8

17:25-23:33

1 stop11h 08m

Washington, D.C. Reagan-National

Sat 22/8

15:59-06:50

1 stop9h 51m

£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

£521

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 6/8

17:25-23:33

1 stop11h 08m

Washington, D.C. Reagan-National

Sat 15/8

18:23-09:50

1 stop10h 27m

£521

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 8/8

09:30-16:57

1 stop12h 27m

Washington, D.C. Reagan-National

Tue 18/8

14:00-06:45

1 stop11h 45m

£522

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 8/7

12:20-19:59

1 stop12h 39m

Washington, D.C. Reagan-National

Tue 21/7

18:55-09:35

1 stop9h 40m

£528

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 8/7

12:20-21:50

1 stop14h 30m

Washington, D.C. Reagan-National

Tue 14/7

18:55-09:35

1 stop9h 40m

£528

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 9/7

12:20-21:50

1 stop14h 30m

Washington, D.C. Reagan-National

Wed 15/7

18:55-09:35

1 stop9h 40m

£528

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 7/7

12:20-19:59

1 stop12h 39m

Washington, D.C. Reagan-National

Sat 11/7

17:47-09:35

1 stop10h 48m

£529

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from London 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 to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from London to Washington, D.C. Reagan-National Airport?

Currently, August is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of £64). Flying from London to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of £482). 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 to Washington, D.C. Reagan-National Airport?

What’s the top stopover airport for flights from London to Washington, D.C. Reagan-National Airport?

Share of one-stop return flights from London to Washington, D.C. Reagan-National Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Boston (BOS) – chosen by Cheapflights users on 41% of one-stop itineraries from London to Washington, D.C. Reagan-National Airport on Cheapflights.

What’s the cheapest stopover airport for flights from London to Washington, D.C. Reagan-National Airport?

Average return fare for one-stop flights from London to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Philadelphia (PHL) is the most affordable one-stop option, with an average return flight price of £415.

What’s the fastest stopover option from London to Washington, D.C. Reagan-National Airport?

Shortest average travel time for one-stop one-way flights from London to Washington, D.C. Reagan-National Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for one-stop routes: 10h 57m.

Which airport typically offers the quickest stopover for flights from London to Washington, D.C. Reagan-National Airport?

Average stopover duration for one-stop one-way flights from London to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Philadelphia (PHL) offer the fastest connection on this route, with an average stopover time of 1h 25m.

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 11 June 2026.
Check out reviews from past customers who have flown with Virgin Atlantic,American Airlines, andJetBlue from London to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Comfort

7.3

Boarding

7.7

Overall

7.5

Food

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Entertainment

7.5

Comfort

7.3

Boarding

7.7

Overall

7.5

Food

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Entertainment

7.5

Comfort

7.3

Boarding

7.7

Overall

7.5

Food

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Entertainment

7.5

Comfort

7.3

Boarding

7.7

Overall

7.5

Food

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Entertainment

7.5

Comfort

7.3

Boarding

7.7

Overall

7.5

Food

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Entertainment

7.5

Comfort

7.3

Boarding

7.7

Overall

7.5

Food

6.9

Crew

8.1

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 London 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 to Washington, D.C. Reagan-National Airport?

    Airlines like British Airways, United Airlines, and JetBlue fly from London to Washington, D.C. Reagan-National Airport in about 10h 56m. The time it takes to get you to your destination can typically vary by up to 1h 43m. Airlines will cover a distance of 3652 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    United Airlines, at £332, was found to be the cheapest airline from London to Washington, D.C. Reagan-National Airport.Alternate airlines flying return to your destination include Air Canada and JetBlue. United Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular routes from London to Washington, D.C. Reagan-National Airport?

  • Can I find deals for flights from London to Reagan-National that include hotel bookings?

    Yes. In addition to deals on London to Reagan-National flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Reagan-National.

  • Can I find deals for business class flights from London to Reagan-National?

    Yes. Cheapflights offers flight deals from London 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 to Washington, D.C. Reagan-National Airport?

    Currently, August is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of £64). Flying from London to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of £482). 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

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Alternative routes for London to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from London to Reagan-National

Discover the top 6 airlines that operate flights from London 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 11 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£332Average£587FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£400Average£579FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£415Average£598FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£430Average£535FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£437Average£531FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£541Average£590FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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

Deals for London to Reagan-National flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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

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

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Not ready to book yet? You can track prices for flights from London to Reagan-National on Cheapflights with our Price Alert feature and get notified when better prices are available.

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