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

New York (JFK) has the shortest average layover time for this route: 1h 18m.

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

Flights connecting via New York (JFK) have the shortest average one-way travel time: 9h 52m.

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

Boston (BOS) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

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

JetBlue, United Airlines, and Delta are the most popular carriers operating from Washington, D.C. Reagan-National to London

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

Flights via Newark (EWR) offer the lowest average round-trip price of $687.

What airlines fly to London?

JetBlue, British Airways and American Airlines are the top three most popular airlines that fly to London from Washington, D.C. Reagan-National Airport according to our data. JetBlue is the first choice among our users, with 52% of people opting to fly with this airline when traveling to London. Keep in mind that there are 6 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

As of October 2026, there are 6 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to London.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$325 Cheap Flights from Washington, D.C. Reagan-National Airport to London in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 9:00 pmDCA Washington, D.C. Reagan-National-LGW London Gatwick

34h 00m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

4:35 pm - 9:59 pmLGW London Gatwick-DCA Washington, D.C. Reagan-National

34h 24m3 stops Lisbon Humberto Delgado Madrid Barajas Montreal Pierre Elliott Trudeau Intl

$683Multiple Airlines

Sat, Dec 5 - Sat, Dec 12

11:05 am - 5:10 pmDCA Washington, D.C. Reagan-National-LGW London Gatwick

25h 05m3 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas Tangier Ibn Battouta

8:15 am - 9:59 pmLGW London Gatwick-DCA Washington, D.C. Reagan-National

18h 44m2 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl

$687Multiple Airlines

Fri, Dec 4 - Wed, Dec 9

2:57 pm - 7:00 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

11h 03m1 stop Boston Logan Intl

1:10 pm - 8:44 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

12h 34m1 stop Philadelphia

$750British Airways

Wed, Nov 18 - Wed, Nov 25

7:00 am - 9:20 pmDCA Washington, D.C. Reagan-National-LHR London Heathrow

10h 20m1 stop Newark

11:05 am - 2:18 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

55h 13m2 stops Brussels Bruxelles-National Newark

$751United Airlines

Mon, Mar 15 - Tue, Mar 16

5:19 pm - 8:10 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

9h 51m1 stop New York John F Kennedy Intl

1:10 pm - 8:44 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

12h 34m1 stop Philadelphia

$801British Airways

Wed, Jan 13 - Mon, Jan 18

8:55 am - 6:55 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

17h 00m1 stop Boston Logan Intl

12:20 pm - 10:53 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

15h 33m1 stop New York John F Kennedy Intl

$829JetBlue

Sun, Nov 15 - Tue, Nov 24

1:00 pm - 6:55 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

12h 55m1 stop Boston Logan Intl

9:20 am - 3:51 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

11h 31m1 stop Boston Logan Intl

$829JetBlue

Thu, Dec 3 - Sun, Dec 6

1:45 pm - 6:25 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

12h 40m1 stop Atlanta Hartsfield-Jackson

11:45 am - 11:03 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

15h 18m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$874Delta

Sun, Mar 21 - Thu, Mar 25

8:30 pm - 11:40 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

11h 10m1 stop Atlanta Hartsfield-Jackson

11:45 am - 11:03 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

15h 18m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$874Delta

Mon, Mar 22 - Thu, Mar 25

11:05 am - 7:10 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

15h 05m1 stop Montreal Pierre Elliott Trudeau Intl

11:05 am - 6:43 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

36h 38m2 stops Brussels Bruxelles-National Newark

$897United Airlines

Wed, Nov 25 - Wed, Dec 2

Cheap last minute flights

Enter your travel dates to find the best prices.

6:10 am - 8:45 pmDCA Washington, D.C. Reagan-National-LHR London Heathrow

9h 35m1 stop New York John F Kennedy Intl

9:20 am - 6:00 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

13h 40m1 stop Boston Logan Intl

$751JetBlue

Fri, Oct 16 - Sun, Nov 1

11:00 am - 6:30 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

14h 30m1 stop Boston Logan Intl

9:20 am - 3:51 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

11h 31m1 stop Boston Logan Intl

$829JetBlue

Tue, Oct 20 - Wed, Dec 9

11:05 am - 9:35 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

17h 30m2 stops New York John F Kennedy Intl Oslo Gardermoen

6:40 am - 10:13 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

20h 33m2 stops Kastrup Copenhagen Boston Logan Intl

$859Scandinavian Airlines

Tue, Oct 20 - Sat, Nov 7

11:05 am - 9:35 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

17h 30m2 stops New York John F Kennedy Intl Oslo Gardermoen

6:40 am - 10:04 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

20h 24m2 stops Kastrup Copenhagen Boston Logan Intl

$891Scandinavian Airlines

Tue, Oct 20 - Wed, Dec 9

10:29 am - 8:45 amDCA Washington, D.C. Reagan-National-LGW London Gatwick

17h 16m1 stop Tampa

11:15 am - 9:45 amLGW London Gatwick-DCA Washington, D.C. Reagan-National

26h 30m2 stops Orlando Charlotte Douglas

$941American Airlines

Sun, Oct 18 - Thu, Oct 29

7:59 am - 6:55 amDCA Washington, D.C. Reagan-National-LGW London Gatwick

17h 56m1 stop Orlando

11:15 am - 11:59 pmLGW London Gatwick-DCA Washington, D.C. Reagan-National

16h 44m1 stop Orlando

$943American Airlines

Sun, Oct 18 - Thu, Oct 29

6:08 am - 8:10 pmDCA Washington, D.C. Reagan-National-LHR London Heathrow

9h 02m1 stop New York John F Kennedy Intl

6:20 am - 4:37 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

15h 17m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

$944Virgin Atlantic

Tue, Oct 20 - Wed, Nov 11

6:08 am - 8:10 pmDCA Washington, D.C. Reagan-National-LHR London Heathrow

9h 02m1 stop New York John F Kennedy Intl

6:20 am - 4:37 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

15h 17m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

$944Virgin Atlantic

Tue, Oct 20 - Wed, Nov 11

11:05 am - 9:25 amDCA Washington, D.C. Reagan-National-LGW London Gatwick

17h 20m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

10:00 am - 11:07 pmLGW London Gatwick-DCA Washington, D.C. Reagan-National

17h 07m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$947Delta

Sun, Oct 18 - Thu, Oct 29

1:20 pm - 6:45 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

12h 25m1 stop Boston Logan Intl

3:50 pm - 10:55 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

12h 05m1 stop New York John F Kennedy Intl

$965Delta

Sun, Oct 18 - Tue, Nov 3

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

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

British Airways

Nov 18

DCA2:57 pmWashington, D.C. Reagan-National

11h 03m

1 stop

LHR7:00 amLondon Heathrow

Nov 25

LHR1:10 pmLondon Heathrow

12h 34m

1 stop

DCA8:44 pmWashington, D.C. Reagan-National

$750

British Airways

Nov 26

DCA2:17 pmWashington, D.C. Reagan-National

10h 58m

1 stop

LHR6:15 amLondon Heathrow

Dec 2

LHR10:35 amLondon Heathrow

11h 22m

1 stop

DCA4:57 pmWashington, D.C. Reagan-National

$818

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

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

Scandinavian Airlines

Nov 9

DCA1:20 pmWashington, D.C. Reagan-National

15h 00m

2 stops

LHR9:20 amLondon Heathrow

Nov 17

LHR6:40 amLondon Heathrow

20h 46m

2 stops

DCA10:26 pmWashington, D.C. Reagan-National

$833

Scandinavian Airlines

Oct 20

DCA11:05 amWashington, D.C. Reagan-National

17h 30m

2 stops

LHR9:35 amLondon Heathrow

Nov 7

LHR6:40 amLondon Heathrow

20h 33m

2 stops

DCA10:13 pmWashington, D.C. Reagan-National

$859

Scandinavian Airlines

Oct 21

DCA11:55 amWashington, D.C. Reagan-National

23h 05m

2 stops

LHR4:00 pmLondon Heathrow

Oct 31

LHR6:40 amLondon Heathrow

20h 15m

2 stops

DCA10:55 pmWashington, D.C. Reagan-National

$874

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LGW London Gatwick

DCALGW

Washington, D.C. Reagan-National

Sat 12/5

6:00 am-9:00 pm

2 stops34h 00m

London Gatwick

Sat 12/12

4:35 pm-9:59 pm

3 stops34h 24m

$683

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LGW London Gatwick

DCALGW

Washington, D.C. Reagan-National

Fri 12/4

11:05 am-5:10 pm

3 stops25h 05m

London Gatwick

Wed 12/9

8:15 am-9:59 pm

2 stops18h 44m

$687

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Wed 11/18

2:57 pm-7:00 am

1 stop11h 03m

London Heathrow

Wed 11/25

1:10 pm-8:44 pm

1 stop12h 34m

$750

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Mon 3/15

7:00 am-9:20 pm

1 stop10h 20m

London Heathrow

Tue 3/16

11:05 am-2:18 pm

2 stops55h 13m

$751

Quickest round-trip

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Wed 1/13

5:19 pm-8:10 am

1 stop9h 51m

London Heathrow

Mon 1/18

1:10 pm-8:44 pm

1 stop12h 34m

$801

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Sun 11/15

8:55 am-6:55 am

1 stop17h 00m

London Heathrow

Tue 11/24

12:20 pm-10:53 pm

1 stop15h 33m

$829

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Thu 12/3

1:00 pm-6:55 am

1 stop12h 55m

London Heathrow

Sun 12/6

9:20 am-3:51 pm

1 stop11h 31m

$829

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Sun 3/21

1:45 pm-6:25 am

1 stop12h 40m

London Heathrow

Thu 3/25

11:45 am-11:03 pm

2 stops15h 18m

$874

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Mon 3/22

8:30 pm-11:40 am

1 stop11h 10m

London Heathrow

Thu 3/25

11:45 am-11:03 pm

2 stops15h 18m

$874

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Wed 11/25

11:05 am-7:10 am

1 stop15h 05m

London Heathrow

Wed 12/2

11:05 am-6:43 pm

2 stops36h 38m

$897

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Layovers

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

Prices are currently low for flights on this route.

Typical prices usually range from $712 to $932.
The lowest price recently found on this route was $683.

What is the cheapest month to fly to London?

The cheapest month to fly to London from Washington, D.C. Reagan-National Airport is in November. Flight prices, which tend to average around $644, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $736.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $929. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,028. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Washington, D.C. Reagan-National Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $969 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $992. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Washington, D.C. Reagan-National Airport to London flights?

You could potentially save up to 11% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to London flight.

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

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

Estimated round-trip price

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

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

Best Price Found	$325
Fastest flight time	9h 06m
Direct flights	None

The best one-way flight to London from Washington, D.C. Reagan-National Airport in the past 72 hours is $325. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to London found on momondo in the last 72 hours is $683.

The fastest flight from Washington, D.C. Reagan-National Airport to London takes 9h 06m

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

Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to London

How far is Washington, D.C. Reagan-National to London by plane?
A flight from Washington, D.C. Reagan-National to London will travel around 3664.8 mi. In terms of flight time, this usually takes a little over 9h 06m.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to London?
Prices for flights from Washington, D.C. Reagan-National Airport to London were last updated today.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to London?
As of October 2026, there are 6 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to London.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Washington, D.C. Reagan-National Airport to London?
Based on momondo bookings for flights between Washington, D.C. Reagan-National Airport and London, the leading airline is British Airways, making up 35% of the total bookings. Other popular airlines include American Airlines with 19%, JetBlue with 19%, and Delta with 13%.

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

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

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom $626	Free Cancellation	Rating 7.5 695 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $644	Free Cancellation	Rating 7.4 10,362 reviews	Search United Airlines flights
JetBlue	PriceFrom $656	Free Cancellation	Rating 7.1 3,052 reviews	Search JetBlue flights
American Airlines	PriceFrom $678	Free Cancellation	Rating 7.0 12,171 reviews	Search American Airlines flights
Delta	PriceFrom $724	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
British Airways	PriceFrom $740	Free Cancellation	Rating 6.7 8,262 reviews	Search British Airways flights

Hounslow

Gatwick

Croydon

Hayes

Milton Keynes

Luton

Stansted

Dover

Kingston upon Thames

Wembley

Richmond

Watford

Worthing

Harrow

Slough

Hook

Ilford

Canterbury

Dunstable

Eastbourne

Why use momondo?

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

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 London from Washington, D.C..

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

Yes. momondo enables you to select and highlight flights to London from Washington, D.C. with this policy.

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

Once you have performed a search for Washington, D.C. to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to London from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London trip

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London Heathrow Airport

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London Southend Airport

London Stansted Airport

Cheap flights from Washington, D.C. Reagan-National Airport to London from $325

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

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

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

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

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Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to London that are best for you.

See travel insights to London from

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

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

What is the cheapest month to fly to London?

What is the cheapest day to depart on your flight to London?

What is the cheapest time of day to depart on your flight to London?

Can stopping save me money on Washington, D.C. Reagan-National Airport to London flights?

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

What airlines fly to London?

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

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

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

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

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

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to London

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

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

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington, D.C. Reagan-National Airport

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