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 07m.

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

JetBlue is the most popular carrier operating from Washington, D.C. Reagan-National to London

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

New York (JFK) was the most common stop: 41% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Boston (BOS) offer the lowest average round-trip price of $634.

What airlines fly to London?

British Airways, American Airlines and JetBlue are the top three most popular airlines that fly to London from Washington, D.C. Reagan-National Airport according to our data. British Airways is the first choice among our users, with 38% of people opting to fly with this airline when traveling to London. Keep in mind that there are 8 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

Montreal (YUL) has the shortest average layover time for this route: 1h 26m.

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

As of August 2025, there are 8 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.

$267 Cheap Flights from Washington, D.C. Reagan-National Airport to London (DCA-LON) in 2025

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

Round-trip

One-way

Last minute

Cheap round-trip flights

4:45 pm - 9:35 amDCA-LGW

11h 50m1 stop

12:10 pm - 8:51 pmLGW-DCA

13h 41m1 stop

$582JetBlue

Find Deal

Mon, Sep 22 - Wed, Oct 8

6:59 pm - 9:35 amDCA-LGW

9h 36m1 stop

12:10 pm - 8:55 pmLGW-DCA

13h 45m1 stop

$600JetBlue

Find Deal

Tue, Sep 9 - Wed, Sep 17

3:35 pm - 7:50 amDCA-LGW

11h 15m1 stop

3:05 pm - 10:57 pmLGW-DCA

12h 52m1 stop

$609American Airlines

Find Deal

Sun, Oct 5 - Tue, Oct 14

2:55 pm - 8:10 amDCA-LGW

12h 15m1 stop

3:05 pm - 10:57 pmLGW-DCA

12h 52m1 stop

$610American Airlines

Find Deal

Wed, Oct 8 - Tue, Oct 14

1:39 pm - 8:10 amDCA-LGW

13h 31m1 stop

3:05 pm - 10:57 pmLGW-DCA

12h 52m1 stop

$612British Airways

Find Deal

Wed, Oct 1 - Tue, Oct 14

4:35 pm - 9:35 amDCA-LHR

12h 00m1 stop

9:30 am - 3:51 pmLHR-DCA

11h 21m1 stop

$614Air Canada

Find Deal

Sun, Oct 5 - Tue, Oct 14

3:35 pm - 8:10 amDCA-LGW

11h 35m1 stop

3:05 pm - 11:07 pmLGW-DCA

13h 02m1 stop

$616British Airways

Find Deal

Wed, Sep 10 - Wed, Oct 1

8:40 pm - 10:00 amDCA-LHR

32h 20m1 stop

9:30 am - 9:51 pmLHR-DCA

17h 21m1 stop

$618Air Canada

Find Deal

Sun, Sep 7 - Tue, Sep 16

7:25 pm - 10:10 amDCA-LHR

9h 45m1 stop

2:05 pm - 9:51 pmLHR-DCA

12h 46m1 stop

$640United Airlines

Find Deal

Mon, Sep 1 - Tue, Sep 9

11:05 am - 7:10 amDCA-LHR

15h 05m1 stop

12:50 pm - 7:35 pmLHR-DCA

11h 45m1 stop

$648United Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 17

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

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

Air Canada

Oct 5

DCA4:35 pmWashington, D.C. Reagan-National

12h 00m

1 stop

LHR9:35 amLondon Heathrow

Oct 14

LHR9:30 amLondon Heathrow

11h 21m

1 stop

DCA3:51 pmWashington, D.C. Reagan-National

$614

Find similar

Air Canada

Sep 7

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

32h 20m

1 stop

LHR10:00 amLondon Heathrow

Sep 16

LHR9:30 amLondon Heathrow

17h 21m

1 stop

DCA9:51 pmWashington, D.C. Reagan-National

$618

Find similar

Air Canada

Nov 10

DCA12:55 pmWashington, D.C. Reagan-National

13h 15m

2 stops

LHR7:10 amLondon Heathrow

Nov 14

LHR6:50 amLondon Heathrow

13h 41m

2 stops

DCA3:31 pmWashington, D.C. Reagan-National

$623

Find similar

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

Sep 1

DCA3:25 pmWashington, D.C. Reagan-National

10h 20m

1 stop

LHR6:45 amLondon Heathrow

Sep 9

LHR9:30 amLondon Heathrow

11h 21m

1 stop

DCA3:51 pmWashington, D.C. Reagan-National

$605

Find similar

United Airlines

Sep 1

DCA7:25 pmWashington, D.C. Reagan-National

9h 45m

1 stop

LHR10:10 amLondon Heathrow

Sep 9

LHR2:05 pmLondon Heathrow

12h 46m

1 stop

DCA9:51 pmWashington, D.C. Reagan-National

$640

Find similar

United Airlines

Dec 10

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

15h 05m

1 stop

LHR7:10 amLondon Heathrow

Dec 17

LHR12:50 pmLondon Heathrow

11h 45m

1 stop

DCA7:35 pmWashington, D.C. Reagan-National

$648

Find similar

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

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 9/22

4:45 pm-9:35 am

1 stop11h 50m

London Gatwick

Wed 10/8

12:10 pm-8:51 pm

1 stop13h 41m

$582

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 9/9

6:59 pm-9:35 am

1 stop9h 36m

London Gatwick

Wed 9/17

12:10 pm-8:55 pm

1 stop13h 45m

$600

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sun 10/5

3:35 pm-7:50 am

1 stop11h 15m

London Gatwick

Tue 10/14

3:05 pm-10:57 pm

1 stop12h 52m

$609

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 10/8

2:55 pm-8:10 am

1 stop12h 15m

London Gatwick

Tue 10/14

3:05 pm-10:57 pm

1 stop12h 52m

$610

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 10/1

1:39 pm-8:10 am

1 stop13h 31m

London Gatwick

Tue 10/14

3:05 pm-10:57 pm

1 stop12h 52m

$612

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 10/5

4:35 pm-9:35 am

1 stop12h 00m

London Heathrow

Tue 10/14

9:30 am-3:51 pm

1 stop11h 21m

$614

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 9/10

3:35 pm-8:10 am

1 stop11h 35m

London Gatwick

Wed 10/1

3:05 pm-11:07 pm

1 stop13h 02m

$616

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 9/7

8:40 pm-10:00 am

1 stop32h 20m

London Heathrow

Tue 9/16

9:30 am-9:51 pm

1 stop17h 21m

$618

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 9/1

7:25 pm-10:10 am

1 stop9h 45m

London Heathrow

Tue 9/9

2:05 pm-9:51 pm

1 stop12h 46m

$640

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 12/10

11:05 am-7:10 am

1 stop15h 05m

London Heathrow

Wed 12/17

12:50 pm-7:35 pm

1 stop11h 45m

$648

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 cheapest month to fly to London?

The cheapest month to fly to London from Washington, D.C. Reagan-National Airport is in February. Flight prices, which tend to average around $605, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $652.

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 $757. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $902. 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 morning is the least expensive time of day to depart. momondo users have found prices as low as $761 when looking at flights departing in the morning. Flights to London are more costly in the afternoon, with an average ticket price of $822. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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 $774 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 $587 on momondo.

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	$267
Fastest flight time	9h 15m
Direct flights	None
Airports in London	3 airports

The best one-way flight to London from Washington, D.C. Reagan-National Airport in the past 72 hours is $267. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to London found on momondo in the last 72 hours is $582.

The fastest flight from Washington, D.C. Reagan-National Airport to London takes 9h 15m

There are no direct flights from Washington, D.C. Reagan-National Airport to London. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - London Heathrow Airport, Washington, D.C. Reagan-National Airport - London Gatwick Airport and Washington, D.C. Reagan-National Airport - London Luton Airport.

There are 3 airports near London: London Heathrow (LHR), London Luton (LTN), London Gatwick (LGW)

Search flight deals

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 15m.
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 August 2025, there are 8 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 JetBlue, making up 23% of the total bookings. Other popular airlines include American Airlines with 19%, British Airways with 17%, and United Airlines with 16%.

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
JetBlue	PriceFrom $31	Free Cancellation	Rating 7.2 2,916 reviews	Search JetBlue flights
Delta	PriceFrom $421	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $497	Free Cancellation	Rating 7.4 657 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
British Airways	PriceFrom $529	Free Cancellation	Rating 6.7 7,283 reviews	Search British Airways flights
Iberia	PriceFrom $542	Free Cancellation	Rating 7.0 2,887 reviews	Search Iberia flights
United Airlines	PriceFrom $599	Free Cancellation	Rating 7.4 8,922 reviews	Search United Airlines flights
Air Canada	PriceFrom $645	Free Cancellation	Rating 7.1 9,997 reviews	Search Air Canada flights

Hounslow

Gatwick

Luton

Dover

Slough

Milton Keynes

Guildford

Dartford

Crawley

Hayes

Chelmsford

Stansted

Brentwood

Ilford

Folkestone

Colchester

Watford

Richmond

Canterbury

Croydon

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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Find better results for your trip to the United Kingdom

Cheap flights from Washington, D.C. Reagan-National Airport to London from $267

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

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

Our best Air Canada 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.

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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

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 to London?

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

JetBlue is the most popular carrier operating 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?

New York (JFK) was the most common stop: 41% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Boston (BOS) offer the lowest average round-trip price of $634.

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 07m.

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

Montreal (YUL) has the shortest average layover time for this route: 1h 26m.

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

Best Price Found

Fastest flight time

Direct flights

Airports in London

How far is Washington, D.C. Reagan-National to London by plane?

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to London?

How many operators does momondo search 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?

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

What is the most popular airline 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?

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

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

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

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

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