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

Boston (BOS) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

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 34m.

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 51% of people opting to fly with this airline when traveling to London. Keep in mind that there are 7 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

JetBlue, Delta, and KLM 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 New York (JFK) offer the lowest average round-trip price of $572.

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

As of May 2026, there are 7 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.

$434 Cheap Flights from Washington, D.C. Reagan-National Airport to London in 2026

Q: 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 $1,116 to $962. The lowest price recently found on this route was $840.

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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 - 9:55 pm

DCA

STN

34h 55m

3 stops

6:35 am - 6:13 pm

STN

DCA

16h 38m

2 stops

$840Multiple Airlines

Sun, May 31 - Sat, Jun 6

6:00 am - 10:45 am

DCA

LGW

23h 45m

2 stops

12:40 pm - 10:28 pm

LGW

DCA

14h 48m

1 stop

$842Multiple Airlines

Sat, Jun 6 - Sat, Jun 13

6:59 am - 9:35 am

DCA

STN

21h 36m

2 stops

8:30 am - 7:58 pm

STN

DCA

16h 28m

2 stops

$842Multiple Airlines

Wed, Jun 3 - Fri, Jun 5

6:25 pm - 9:35 am

DCA

LGW

10h 10m

1 stop

12:20 pm - 7:56 pm

LGW

DCA

12h 36m

1 stop

$851JetBlue

Mon, Aug 17 - Fri, Sep 4

12:00 pm - 9:20 am

DCA

LHR

16h 20m

2 stops

7:05 am - 11:04 pm

LHR

DCA

20h 59m

2 stops

$851Scandinavian Airlines

Tue, Oct 6 - Fri, Oct 23

8:40 pm - 11:50 am

DCA

LHR

10h 10m

1 stop

9:30 am - 3:40 pm

LHR

DCA

11h 10m

1 stop

$852Air Canada

Tue, Oct 6 - Fri, Oct 23

11:00 am - 9:35 am

DCA

LHR

17h 35m

2 stops

6:40 am - 11:26 pm

LHR

DCA

21h 46m

2 stops

$853Scandinavian Airlines

Mon, Aug 24 - Mon, Aug 31

6:55 pm - 9:35 am

DCA

LHR

9h 40m

1 stop

9:30 am - 3:38 pm

LHR

DCA

11h 08m

1 stop

$855Air Canada

Sun, Aug 16 - Tue, Aug 25

3:30 pm - 9:30 am

DCA

LCY

13h 00m

2 stops

10:00 am - 11:04 pm

LCY

DCA

18h 04m

2 stops

$896Delta

Tue, Oct 6 - Tue, Oct 13

10:35 am - 8:50 am

DCA

LCY

17h 15m

2 stops

10:00 am - 11:12 pm

LCY

DCA

18h 12m

2 stops

$997Delta

Thu, Oct 1 - Mon, Oct 5

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

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

JetBlue

Aug 17

DCA6:25 pmWashington, D.C. Reagan-National

10h 10m

1 stop

LGW9:35 amLondon Gatwick

Sep 4

LGW12:20 pmLondon Gatwick

12h 36m

1 stop

DCA7:56 pmWashington, D.C. Reagan-National

$851

JetBlue

Aug 15

DCA5:47 pmWashington, D.C. Reagan-National

10h 48m

1 stop

LGW9:35 amLondon Gatwick

Aug 26

LGW12:20 pmLondon Gatwick

12h 36m

1 stop

DCA7:56 pmWashington, D.C. Reagan-National

$867

JetBlue

Aug 19

DCA6:25 pmWashington, D.C. Reagan-National

10h 10m

1 stop

LGW9:35 amLondon Gatwick

Sep 2

LGW12:20 pmLondon Gatwick

12h 36m

1 stop

DCA7:56 pmWashington, D.C. Reagan-National

$872

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

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

United Airlines

Aug 23

DCA8:25 amWashington, D.C. Reagan-National

21h 00m

1 stop

LHR10:25 amLondon Heathrow

Sep 3

LHR2:05 pmLondon Heathrow

25h 13m

1 stop

DCA10:18 amWashington, D.C. Reagan-National

$871

United Airlines

Oct 23

DCA8:40 pmWashington, D.C. Reagan-National

43h 55m

2 stops

LHR9:35 pmLondon Heathrow

Nov 2

LHR11:05 amLondon Heathrow

34h 18m

2 stops

DCA4:23 pmWashington, D.C. Reagan-National

$883

United Airlines

Aug 4

DCA6:00 amWashington, D.C. Reagan-National

9h 40m

1 stop

LHR8:40 pmLondon Heathrow

Aug 19

LHR9:30 amLondon Heathrow

11h 08m

1 stop

DCA3:38 pmWashington, D.C. Reagan-National

$885

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 - STN

DCASTN

Washington, D.C. Reagan-National

Sun 5/31

6:00 am-9:55 pm

3 stops34h 55m

London Stansted

Sat 6/6

6:35 am-6:13 pm

2 stops16h 38m

$840

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sat 6/6

6:00 am-10:45 am

2 stops23h 45m

London Gatwick

Sat 6/13

12:40 pm-10:28 pm

1 stop14h 48m

$842

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Wed 6/3

6:59 am-9:35 am

2 stops21h 36m

London Stansted

Fri 6/5

8:30 am-7:58 pm

2 stops16h 28m

$842

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 8/17

6:25 pm-9:35 am

1 stop10h 10m

London Gatwick

Fri 9/4

12:20 pm-7:56 pm

1 stop12h 36m

$851

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 10/6

12:00 pm-9:20 am

2 stops16h 20m

London Heathrow

Fri 10/23

7:05 am-11:04 pm

2 stops20h 59m

$851

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 10/6

8:40 pm-11:50 am

1 stop10h 10m

London Heathrow

Fri 10/23

9:30 am-3:40 pm

1 stop11h 10m

$852

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 8/24

11:00 am-9:35 am

2 stops17h 35m

London Heathrow

Mon 8/31

6:40 am-11:26 pm

2 stops21h 46m

$853

Quickest round-trip

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 8/16

6:55 pm-9:35 am

1 stop9h 40m

London Heathrow

Tue 8/25

9:30 am-3:38 pm

1 stop11h 08m

$855

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 10/6

3:30 pm-9:30 am

2 stops13h 00m

London City

Tue 10/13

10:00 am-11:04 pm

2 stops18h 04m

$896

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 10/1

10:35 am-8:50 am

2 stops17h 15m

London City

Mon 10/5

10:00 am-11:12 pm

2 stops18h 12m

$997

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?

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 March. Flight prices, which tend to average around $31, are often lower during this time because this is during the off-season. The month of July is another great option to travel to London, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $136.

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 $779. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $911. 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 $818 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $869. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to London?

You are more likely to see cheaper flights to London from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $870 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Washington, D.C. Reagan-National Airport for as low as $576 on momondo.

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

You could potentially save up to 19% 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

Fastest flight time	9h 25m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to London takes 9h 25m

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 25m.
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 May 2026, there are 7 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 32% of the total bookings. Other popular airlines include American Airlines with 24%, JetBlue with 22%, and Virgin Atlantic with 12%.

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 $497	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.1 11,644 reviews	Search American Airlines flights
British Airways	PriceFrom $529	Free Cancellation	Rating 6.7 7,990 reviews	Search British Airways flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights
Air Canada	PriceFrom $577	Free Cancellation	Rating 7.1 11,066 reviews	Search Air Canada flights
United Airlines	PriceFrom $598	Free Cancellation	Rating 7.4 9,744 reviews	Search United Airlines flights
JetBlue	PriceFrom $639	Free Cancellation	Rating 7.2 2,982 reviews	Search JetBlue flights

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Crawley

Wembley

Slough

Croydon

Stansted

Watford

Harrow

Brentwood

Dartford

Ilford

Cobham

Folkestone

Uxbridge

Romford

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 Southend Airport

London Stansted Airport

Cheap flights from Washington, D.C. Reagan-National Airport to London from $434

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

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

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

Our best United 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?

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport 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

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

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

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