Cheap flights from London to Washington, D.C. Reagan-National Airport from £333

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
1 Aug — 8 Aug1
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 2 July 2026.

Sat 19/914:05
LHR
-
DCA
1 stop25h 15m
United Airlines
Mon 21/906:00
DCA
-
LHR
1 stop10h 35m
United Airlines
Deal found 1/7£452
Wed 15/709:30
LHR
-
DCA
1 stop15h 18m
United Airlines
Tue 21/718:10
DCA
-
LHR
1 stop12h 45m
United Airlines
Deal found 27/6£462
Tue 1/912:20
LGW
-
DCA
1 stop11h 47m
JetBlue
Sun 6/911:00
DCA
-
LGW
1 stop17h 35m
JetBlue
Deal found 30/6£470
Wed 15/712:20
LGW
-
DCA
1 stop11h 44m
JetBlue
Tue 21/717:00
DCA
-
LGW
1 stop11h 35m
JetBlue
Deal found 27/6£473
Thu 3/908:40
LHR
-
DCA
1 stop32h 21m
JetBlue
Mon 7/918:25
DCA
-
LHR
1 stop31h 05m
JetBlue
Deal found 29/6£480
Wed 16/908:15
LHR
-
DCA
1 stop19h 44m
JetBlue
Wed 30/906:30
DCA
-
LHR
1 stop9h 15m
JetBlue
Deal found 29/6£483
Mon 21/1216:10
LHR
-
DCA
1 stop11h 54m
Virgin Atlantic
Wed 20/114:35
DCA
-
LHR
1 stop11h 15m
Virgin Atlantic
Deal found 28/6£485
Thu 30/712:20
LGW
-
DCA
1 stop11h 44m
JetBlue
Mon 3/817:59
DCA
-
LGW
1 stop10h 36m
JetBlue
Deal found 1/7£492
Wed 23/908:15
LHR
-
DCA
1 stop19h 44m
JetBlue
Sun 4/1021:55
DCA
-
LHR
1 stop27h 35m
JetBlue
Deal found 1/7£492
Tue 1/908:40
LHR
-
DCA
1 stop15h 27m
JetBlue
Mon 7/920:55
DCA
-
LHR
1 stop28h 35m
JetBlue
Deal found 28/6£496
Wed 7/1010:25
LGW
-
DCA
2 stops17h 30m
Virgin Atlantic
Mon 12/1017:05
DCA
-
LGW
2 stops17h 55m
Virgin Atlantic
Deal found 28/6£497
Tue 1/908:15
LHR
-
DCA
1 stop19h 44m
JetBlue
Sun 6/913:25
DCA
-
LHR
1 stop12h 05m
JetBlue
Deal found 30/6£498

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 2 July 2026.

Round-trip from

£452

One-way from

£333

Popular in

October

Cheapest in

February

Average price

£620
United Airlines
  • United Airlines
  • 19/9-21/9
  • 2 total stops
  • 35h 50m total
  • London to Washington, D.C.
British Airways
  • British Airways
  • 10/12
  • 1 total stop
  • 11h 15m total
  • London to Washington, D.C.
Highest demand for flights based on searches. 3% potential increase in price (£16 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in July 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 2 July 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

Sat 24/10

06:15-16:37

2 stops15h 22m

Washington, D.C. Reagan-National

Thu 29/10

11:00-06:55

1 stop15h 55m

£511

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 8/10

06:30-16:37

2 stops15h 07m

Washington, D.C. Reagan-National

Sun 11/10

11:05-08:50

1 stop16h 45m

£514

LondonWashington, D.C.

LCY - DCA

LCYDCA

London City

Wed 7/10

20:15-22:55

2 stops31h 40m

Washington, D.C. Reagan-National

Sat 7/11

09:32-13:15

2 stops22h 43m

£519

LondonWashington, D.C.

LCY - DCA

LCYDCA

London City

Mon 14/9

20:15-16:32

2 stops25h 17m

Washington, D.C. Reagan-National

Thu 24/9

11:10-07:55

2 stops15h 45m

£523

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 12/9

09:15-15:59

1 stop11h 44m

Washington, D.C. Reagan-National

Sat 19/9

15:12-06:55

1 stop10h 43m

£526

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 31/8

09:15-15:58

1 stop11h 43m

Washington, D.C. Reagan-National

Fri 25/9

16:59-08:00

1 stop10h 01m

£527

LondonWashington, D.C.

LCY - DCA

LCYDCA

London City

Wed 7/10

10:00-22:55

2 stops17h 55m

Washington, D.C. Reagan-National

Mon 12/10

17:05-17:20

2 stops19h 15m

£528

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 25/8

09:15-15:58

1 stop11h 43m

Washington, D.C. Reagan-National

Mon 31/8

18:23-09:10

1 stop9h 47m

£537

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 22/10

16:05-23:37

1 stop12h 32m

Washington, D.C. Reagan-National

Thu 5/11

15:15-06:50

1 stop10h 35m

£543
Fastest return journey

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 17/8

09:15-15:58

1 stop11h 43m

Washington, D.C. Reagan-National

Mon 24/8

17:35-07:50

1 stop9h 15m

£548

Flights are sorted by cheapest return flights first.

Deals found on 28/6

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 £65). Flying from London to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of £486). 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 39% 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 £418.

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 Charlotte (CLT) offer the fastest connection on this route, with an average stopover time of 1h 12m.

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 2 July 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.

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Crew

8.1

Food

6.9

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 Delta, Virgin Atlantic, and British Airways fly from London to Washington, D.C. Reagan-National Airport in about 11h 44m. The time it takes to get you to your destination can typically vary by up to 19h 56m. 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?

    JetBlue, at £419, was found to be the cheapest airline from London to Washington, D.C. Reagan-National Airport.Alternate airlines flying return to your destination include United Airlines and British Airways. JetBlue is 22% 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 £65). Flying from London to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of £486). 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

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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 5 airlines flying from London to Reagan-National

Discover the top 5 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 2 July 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£419Average£603FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£425Average£592FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£435Average£537FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£441Average£536FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£546Average£595FlexibilityNo 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.

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

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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