Which airport is the most popular for stopovers for flights between London and Washington, D.C. Reagan-National Airport?

Boston (BOS) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London to Washington, D.C. Reagan-National Airport?

Flights via Philadelphia (PHL) offer the lowest average return price of £480.

Which stopover airport has the shortest connection time from London to Washington, D.C. Reagan-National Airport?

New York (JFK) has the shortest average stopover time for this route: 1h 51m.

What is the cheapest airline that flies from London to Washington, D.C. Reagan-National?

JetBlue, Icelandair, and British Airways are the most popular carriers operating from London to Washington, D.C. Reagan-National

Which stopover airport has the shortest travel time from London to Washington, D.C. Reagan-National Airport?

Flights connecting via New York (JFK) have the shortest average one-way travel time: 11h 11m.

Which airlines fly to Washington, D.C. Reagan-National Airport?

British Airways, JetBlue and Virgin Atlantic are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from London according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when travelling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 6 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from London to Washington, D.C. Reagan-National Airport?

There are 6 operators available for flights from London to Washington, D.C. Reagan-National Airport as of March 2026.

How old do you have to be to fly from London to Washington, D.C. Reagan-National Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£398 Cheap Flights from London to Washington, D.C. Reagan-National Airport in 2026

Q: What is the typical price of a round-trip flight between London and Washington, D.C. Reagan-National Airport?

Prices are currently low for flights on this route. Typical prices usually range from £525 to £703. The lowest price recently found on this route was £413.

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Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:40 - 17:46

LHR

DCA

14h 06m

1 stop

06:00 - 20:45

DCA

LHR

9h 45m

1 stop

£413JetBlue

Wed, 22 Apr - Sat, 25 Apr

09:30 - 17:25

LHR

DCA

12h 55m

1 stop

15:02 - 08:20

DCA

LHR

12h 18m

1 stop

£425United Airlines

Mon, 30 Mar - Sat, 18 Apr

08:40 - 17:46

LHR

DCA

14h 06m

1 stop

06:00 - 20:45

DCA

LHR

9h 45m

1 stop

£429JetBlue

Wed, 29 Apr - Sat, 2 May

11:05 - 21:06

LHR

DCA

15h 01m

1 stop

14:00 - 06:45

DCA

LHR

11h 45m

1 stop

£431United Airlines

Thu, 2 Apr - Mon, 6 Apr

09:30 - 15:39

LHR

DCA

11h 09m

1 stop

18:55 - 11:50

DCA

LHR

11h 55m

1 stop

£435Air Canada

Wed, 20 May - Wed, 3 Jun

14:10 - 12:01

LHR

DCA

26h 51m

1 stop

12:45 - 06:30

DCA

LHR

12h 45m

1 stop

£440Air Canada

Wed, 6 May - Mon, 11 May

12:20 - 21:23

LGW

DCA

14h 03m

1 stop

18:19 - 08:40

DCA

LGW

33h 21m

1 stop

£458American Airlines

Tue, 5 May - Mon, 11 May

11:30 - 18:58

LGW

DCA

36h 28m

2 stops

11:17 - 06:50

DCA

LGW

14h 33m

1 stop

£460British Airways

Thu, 23 Apr - Mon, 27 Apr

11:30 - 22:29

LGW

DCA

15h 59m

2 stops

11:17 - 06:50

DCA

LGW

14h 33m

1 stop

£462British Airways

Thu, 23 Apr - Mon, 27 Apr

12:20 - 21:23

LGW

DCA

14h 03m

1 stop

07:29 - 08:40

DCA

LGW

20h 11m

1 stop

£476American Airlines

Mon, 4 May - Wed, 13 May

United Airlines flights from London to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on London to Washington, D.C. Reagan-National Airport flight tickets

United Airlines

30 Mar

LHR09:30London Heathrow

12h 55m

1 stop

DCA17:25Washington, D.C. Reagan-National

18 Apr

DCA15:02Washington, D.C. Reagan-National

12h 18m

1 stop

LHR08:20London Heathrow

£425

United Airlines

2 Apr

LHR11:05London Heathrow

15h 01m

1 stop

DCA21:06Washington, D.C. Reagan-National

6 Apr

DCA14:00Washington, D.C. Reagan-National

11h 45m

1 stop

LHR06:45London Heathrow

£431

United Airlines

20 May

LHR08:00London Heathrow

14h 04m

1 stop

DCA17:04Washington, D.C. Reagan-National

3 Jun

DCA13:00Washington, D.C. Reagan-National

11h 55m

1 stop

LHR05:55London Heathrow

£432

Icelandair flights from London to Washington, D.C. Reagan-National Airport

Our best Icelandair deals on London to Washington, D.C. Reagan-National Airport flight tickets

Icelandair

4 May

LGW15:40London Gatwick

21h 19m

2 stops

DCA07:59Washington, D.C. Reagan-National

8 May

DCA20:00Washington, D.C. Reagan-National

13h 40m

2 stops

LGW14:40London Gatwick

£602

Icelandair

24 Mar

LGW11:55London Gatwick

32h 23m

2 stops

DCA16:18Washington, D.C. Reagan-National

3 Apr

DCA16:59Washington, D.C. Reagan-National

16h 41m

2 stops

LGW14:40London Gatwick

£874

momondo Fare Finder

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

Wed 22/4

08:40-17:46

1 stop14h 06m

Washington, D.C. Reagan-National

Sat 25/4

06:00-20:45

1 stop9h 45m

£413

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 30/3

09:30-17:25

1 stop12h 55m

Washington, D.C. Reagan-National

Sat 18/4

15:02-08:20

1 stop12h 18m

£425

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 29/4

08:40-17:46

1 stop14h 06m

Washington, D.C. Reagan-National

Sat 2/5

06:00-20:45

1 stop9h 45m

£429

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 2/4

11:05-21:06

1 stop15h 01m

Washington, D.C. Reagan-National

Mon 6/4

14:00-06:45

1 stop11h 45m

£431

Fastest return journey

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 20/5

09:30-15:39

1 stop11h 09m

Washington, D.C. Reagan-National

Wed 3/6

18:55-11:50

1 stop11h 55m

£435

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 6/5

14:10-12:01

1 stop26h 51m

Washington, D.C. Reagan-National

Mon 11/5

12:45-06:30

1 stop12h 45m

£440

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 5/5

12:20-21:23

1 stop14h 03m

Washington, D.C. Reagan-National

Mon 11/5

18:19-08:40

1 stop33h 21m

£458

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 23/4

11:30-18:58

2 stops36h 28m

Washington, D.C. Reagan-National

Mon 27/4

11:17-06:50

1 stop14h 33m

£460

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 23/4

11:30-22:29

2 stops15h 59m

Washington, D.C. Reagan-National

Mon 27/4

11:17-06:50

1 stop14h 33m

£462

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Mon 4/5

12:20-21:23

1 stop14h 03m

Washington, D.C. Reagan-National

Wed 13/5

07:29-08:40

1 stop20h 11m

£476

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Stopovers

What is the typical price of a round-trip flight between London and Washington, D.C. Reagan-National Airport?

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of February is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from London, with most prices found around £420. If you aren’t able to travel during the month of February, then book flights to Washington, D.C. Reagan-National Airport from London during January instead. Flights to Washington, D.C. Reagan-National Airport in January, while not as cheap as those in February, still average around £439.

When to book flights from London to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London to Washington, D.C. Reagan-National Airport (LON to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Washington, D.C. Reagan-National Airport

Fastest flight time	11h 09m
Direct flights	None

The fastest flight from London to Washington, D.C. Reagan-National Airport takes 11h 09m

There are no direct flights from London to Washington, D.C. Reagan-National Airport. There are no popular flight routes from London to Washington, D.C. Reagan-National Airport.

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How far is London to Washington, D.C. Reagan-National by plane?
Washington, D.C. Reagan-National is 3664.8 mi away from London. 11h 09m is a normal flight duration for this route.
When did momondo last update prices for flights from London to Washington, D.C. Reagan-National Airport?
Prices for flights from London to Washington, D.C. Reagan-National Airport were last updated today.
How many operators does momondo search for flights from London to Washington, D.C. Reagan-National Airport?
There are 6 operators available for flights from London to Washington, D.C. Reagan-National Airport as of March 2026.
How old do you have to be to fly from London to Washington, D.C. Reagan-National Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from London to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for flights between London and Washington, D.C. Reagan-National Airport, the leading airline is British Airways, making up 33% of the total bookings. Other popular airlines include Icelandair with 27%, JetBlue with 23%, and American Airlines with 10%.

Best airlines flying from London to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from London to Washington, D.C. Reagan-National Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom £333	Free Cancellation	Rating 7.4 9,435 reviews	Search United Airlines flights
Air Canada	PriceFrom £401	Free Cancellation	Rating 7.1 10,813 reviews	Search Air Canada flights
JetBlue	PriceFrom £416	Free Cancellation	Rating 7.2 2,906 reviews	Search JetBlue flights
British Airways	PriceFrom £432	Free Cancellation	Rating 6.7 7,800 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom £439	Free Cancellation	Rating 7.5 682 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom £529	Free Cancellation	Rating 7.1 11,468 reviews	Search American Airlines flights

Laurel

College Park

Arlington

Fairfax

Linthicum Heights

Alexandria

Glen Burnie

Lutherville Timonium

Ellicott City

Cambridge

Lexington Park

Westminster

Woodbridge

Bethesda

Silver Spring

Rockville

Owings Mills

Landover

National Harbor

Why use momondo?

Why should I use momondo to find a flight deal from London to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from London.

Can I find flights from London to Washington, D.C. with flexible booking policies on momondo?

Flights from London to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Washington, D.C.?

Once all potential London to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from London and alert you when they change.

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Cheap flights from London to Washington, D.C. from £398

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Washington, D.C. departing on 4/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from London to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on London to Washington, D.C. Reagan-National Airport flight tickets

Icelandair flights from London to Washington, D.C. Reagan-National Airport

Our best Icelandair deals on London to Washington, D.C. Reagan-National Airport flight tickets

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How to get the cheapest flight ticket from London to Washington, D.C. Reagan-National Airport

What is the typical price of a round-trip flight between London and Washington, D.C. Reagan-National Airport?

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

What is the cheapest airline that flies from London to Washington, D.C. Reagan-National?

Which airlines fly to Washington, D.C. Reagan-National Airport?

Which airport is the most popular for stopovers for flights between London and Washington, D.C. Reagan-National Airport?

Which stopover airport offers the lowest fares from London to Washington, D.C. Reagan-National Airport?

Which stopover airport has the shortest travel time from London to Washington, D.C. Reagan-National Airport?

Which stopover airport has the shortest connection time from London to Washington, D.C. Reagan-National Airport?

When to book flights from London to Washington, D.C. Reagan-National Airport

Cheap London to Washington, D.C. Reagan-National Airport (LON to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Washington, D.C. Reagan-National Airport

Fastest flight time

Direct flights

Best airlines flying from London to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from London to Washington, D.C. Reagan-National Airport with momondo

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