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.

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: 44% 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 Newark (EWR) offer the lowest average round-trip price of $687.

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

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

What airlines fly to London?

British Airways, JetBlue 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. British Airways is the first choice among our users, with 31% 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 travel time from Washington, D.C. Reagan-National Airport to London?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 9h 20m.

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

As of February 2026, 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.

$332 Cheap Flights from Washington, D.C. Reagan-National Airport to London in 2026

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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.

11:05 am - 6:30 pm

DCA

STN

26h 25m

2 stops

7:25 am - 12:01 pm

STN

DCA

33h 36m

3 stops

$553Multiple Airlines

Wed, Apr 15 - Wed, Apr 22

4:10 pm - 10:40 pm

DCA

STN

26h 30m

3 stops

7:30 am - 9:56 pm

STN

DCA

18h 26m

2 stops

$554Multiple Airlines

Wed, Mar 11 - Tue, Mar 17

6:59 am - 10:35 pm

DCA

STN

34h 36m

3 stops

7:30 am - 10:21 am

STN

DCA

30h 51m

2 stops

$557Multiple Airlines

Sun, Mar 1 - Tue, Mar 10

12:55 pm - 7:10 am

DCA

LHR

37h 15m

2 stops

6:50 am - 9:56 pm

LHR

DCA

19h 06m

2 stops

$592Air Canada

Sun, Mar 1 - Tue, Mar 17

6:50 pm - 8:30 am

DCA

LHR

32h 40m

1 stop

6:50 am - 9:56 pm

LHR

DCA

19h 06m

2 stops

$596Air Canada

Sun, Mar 1 - Tue, Mar 17

11:35 am - 7:30 am

DCA

LGW

14h 55m

1 stop

11:20 am - 11:45 pm

LGW

DCA

16h 25m

1 stop

$618British Airways

Wed, Mar 4 - Wed, Mar 11

11:35 am - 7:30 am

DCA

LGW

15h 55m

1 stop

11:20 am - 11:45 pm

LGW

DCA

16h 25m

1 stop

$620American Airlines

Mon, Mar 9 - Mon, Mar 16

11:54 am - 7:30 am

DCA

LGW

15h 36m

2 stops

11:20 am - 11:59 pm

LGW

DCA

16h 39m

2 stops

$625American Airlines

Mon, Mar 9 - Mon, Mar 16

6:45 pm - 9:35 am

DCA

LGW

9h 50m

1 stop

12:20 pm - 7:59 pm

LGW

DCA

12h 39m

1 stop

$651JetBlue

Wed, Jul 22 - Thu, Sep 3

4:34 pm - 2:05 pm

DCA

LCY

17h 31m

2 stops

3:45 pm - 6:33 pm

LCY

DCA

30h 48m

2 stops

$772British Airways

Tue, Mar 10 - Mon, Mar 23

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

Jul 22

DCA6:45 pmWashington, D.C. Reagan-National

9h 50m

1 stop

LGW9:35 amLondon Gatwick

Sep 3

LGW12:20 pmLondon Gatwick

12h 39m

1 stop

DCA7:59 pmWashington, D.C. Reagan-National

$651

JetBlue

Jul 19

DCA11:30 amWashington, D.C. Reagan-National

17h 05m

1 stop

LGW9:35 amLondon Gatwick

Sep 1

LGW12:20 pmLondon Gatwick

12h 39m

1 stop

DCA7:59 pmWashington, D.C. Reagan-National

$654

JetBlue

Feb 11

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

10h 40m

1 stop

LHR9:40 pmLondon Heathrow

Feb 18

LHR9:20 amLondon Heathrow

13h 14m

1 stop

DCA5:34 pmWashington, D.C. Reagan-National

$657

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

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

Delta

Mar 25

DCA12:16 pmWashington, D.C. Reagan-National

14h 34m

1 stop

LHR6:50 amLondon Heathrow

Apr 1

LHR6:30 amLondon Heathrow

15h 05m

2 stops

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

$648

Delta

Apr 22

DCA11:00 amWashington, D.C. Reagan-National

17h 25m

2 stops

LGW9:25 amLondon Gatwick

May 16

LGW10:25 amLondon Gatwick

17h 34m

2 stops

DCA10:59 pmWashington, D.C. Reagan-National

$709

Delta

Apr 27

DCA12:59 pmWashington, D.C. Reagan-National

15h 41m

2 stops

LGW9:40 amLondon Gatwick

May 9

LGW10:25 amLondon Gatwick

17h 59m

2 stops

DCA11:24 pmWashington, D.C. Reagan-National

$711

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 - STN

DCASTN

Washington, D.C. Reagan-National

Wed 4/15

11:05 am-6:30 pm

2 stops26h 25m

London Stansted

Wed 4/22

7:25 am-12:01 pm

3 stops33h 36m

$553

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Wed 3/11

4:10 pm-10:40 pm

3 stops26h 30m

London Stansted

Tue 3/17

7:30 am-9:56 pm

2 stops18h 26m

$554

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Sun 3/1

6:59 am-10:35 pm

3 stops34h 36m

London Stansted

Tue 3/10

7:30 am-10:21 am

2 stops30h 51m

$557

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 3/1

12:55 pm-7:10 am

2 stops37h 15m

London Heathrow

Tue 3/17

6:50 am-9:56 pm

2 stops19h 06m

$592

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 3/1

6:50 pm-8:30 am

1 stop32h 40m

London Heathrow

Tue 3/17

6:50 am-9:56 pm

2 stops19h 06m

$596

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 3/4

11:35 am-7:30 am

1 stop14h 55m

London Gatwick

Wed 3/11

11:20 am-11:45 pm

1 stop16h 25m

$618

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 3/9

11:35 am-7:30 am

1 stop15h 55m

London Gatwick

Mon 3/16

11:20 am-11:45 pm

1 stop16h 25m

$620

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 3/9

11:54 am-7:30 am

2 stops15h 36m

London Gatwick

Mon 3/16

11:20 am-11:59 pm

2 stops16h 39m

$625

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 7/22

6:45 pm-9:35 am

1 stop9h 50m

London Gatwick

Thu 9/3

12:20 pm-7:59 pm

1 stop12h 39m

$651

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 3/10

4:34 pm-2:05 pm

2 stops17h 31m

London City

Mon 3/23

3:45 pm-6:33 pm

2 stops30h 48m

$772

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 $474, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $630.

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 $758. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $886. 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 $807 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $813. 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 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 $780 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 $660 on momondo.

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

You could potentially save up to 5% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to London flight.

How have Washington, D.C. Reagan-National Airport to London flight prices changed over time?

As of February 2026, prices for Washington, D.C. Reagan-National Airport to London flights are approximately 92% more expensive when compared to flights at the same time last year.

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 27m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to London takes 9h 27m

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

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 27m.
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 February 2026, 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 American Airlines, making up 30% of the total bookings. Other popular airlines include British Airways with 29%, JetBlue with 27%, and United Airlines 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
JetBlue	PriceFrom $31	Free Cancellation	Rating 7.2 2,893 reviews	Search JetBlue flights
Virgin Atlantic	PriceFrom $497	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.2 11,258 reviews	Search American Airlines flights
British Airways	PriceFrom $529	Free Cancellation	Rating 6.7 7,723 reviews	Search British Airways flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.9 8,175 reviews	Search Delta flights
Iberia	PriceFrom $562	Free Cancellation	Rating 7.0 3,110 reviews	Search Iberia flights
United Airlines	PriceFrom $598	Free Cancellation	Rating 7.4 9,262 reviews	Search United Airlines flights
Air Canada	PriceFrom $633	Free Cancellation	Rating 7.1 10,699 reviews	Search Air Canada flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Guildford

Crawley

Wembley

Dartford

Hayes

Croydon

Brentwood

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Richmond

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

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.

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Fly into one of these airports located in London

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London Southend Airport

London Stansted Airport

Cheap flights from Washington, D.C. Reagan-National Airport to London from $332

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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

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

Our best Delta 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 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?

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

You could potentially save up to 5% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to London flight.

How have Washington, D.C. Reagan-National Airport to London flight prices changed over time?

As of February 2026, prices for Washington, D.C. Reagan-National Airport to London flights are approximately 92% more expensive when compared to flights at the same time last year.

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

JetBlue, British Airways, and Iberia are the most popular carriers 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: 44% 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 Newark (EWR) offer the lowest average round-trip price of $687.

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

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 9h 20m.

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

Fastest flight time

Direct flights

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

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.

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

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According to popular flight searches on momondo this year