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.

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 47% 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 British Airways are the most popular carriers 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?

Boston (BOS) was the most common stop: 57% 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.

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 July 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.

$286 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 $681 to $1,194. The lowest price recently found on this route was $665.

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.

11:00 am - 8:20 pm

DCA

STN

28h 20m

2 stops

10:00 pm - 9:50 pm

STN

DCA

28h 50m

3 stops

$665Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

6:00 am - 8:20 pm

DCA

STN

33h 20m

3 stops

10:00 pm - 9:50 pm

STN

DCA

28h 50m

3 stops

$673Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

4:20 pm - 2:40 pm

DCA

STN

17h 20m

2 stops

6:30 am - 3:38 pm

STN

DCA

14h 08m

2 stops

$676Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

6:55 pm - 8:30 am

DCA

LHR

33h 35m

1 stop

6:50 am - 9:59 pm

LHR

DCA

20h 09m

2 stops

$733Air Canada

Sat, Oct 31 - Tue, Nov 3

4:00 pm - 11:20 am

DCA

LHR

14h 20m

2 stops

6:50 am - 3:24 pm

LHR

DCA

13h 34m

2 stops

$736Air Canada

Sun, Nov 1 - Tue, Nov 3

1:25 pm - 6:30 am

DCA

LHR

12h 05m

1 stop

8:15 am - 10:59 pm

LHR

DCA

19h 44m

1 stop

$774JetBlue

Mon, Aug 24 - Tue, Sep 8

8:49 am - 6:30 am

DCA

LHR

16h 41m

1 stop

8:15 am - 10:59 pm

LHR

DCA

19h 44m

1 stop

$782JetBlue

Wed, Sep 2 - Sun, Sep 6

5:15 pm - 9:30 am

DCA

LCY

12h 15m

2 stops

7:45 am - 6:25 pm

LCY

DCA

15h 40m

2 stops

$893Delta

Tue, Oct 27 - Tue, Nov 3

11:00 am - 7:55 am

DCA

LCY

15h 55m

2 stops

9:20 am - 8:35 pm

LCY

DCA

16h 15m

2 stops

$964Delta

Tue, Sep 1 - Tue, Sep 8

12:55 pm - 7:15 am

DCA

LCY

13h 20m

2 stops

10:00 am - 8:33 pm

LCY

DCA

15h 33m

2 stops

$1,014KLM

Mon, Aug 24 - Mon, Aug 31

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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

JetBlue

Sep 3

DCA12:50 pmWashington, D.C. Reagan-National

15h 45m

1 stop

LGW9:35 amLondon Gatwick

Sep 8

LGW12:20 pmLondon Gatwick

12h 36m

1 stop

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

$753

JetBlue

Sep 2

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

10h 35m

1 stop

LGW9:35 amLondon Gatwick

Sep 5

LGW12:20 pmLondon Gatwick

11h 47m

1 stop

DCA7:07 pmWashington, D.C. Reagan-National

$754

JetBlue

Sep 1

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

10h 35m

1 stop

LGW9:35 amLondon Gatwick

Sep 8

LGW12:20 pmLondon Gatwick

12h 36m

1 stop

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

$755

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 31

DCA6:55 pmWashington, D.C. Reagan-National

33h 35m

1 stop

LHR8:30 amLondon Heathrow

Nov 3

LHR6:50 amLondon Heathrow

20h 09m

2 stops

DCA9:59 pmWashington, D.C. Reagan-National

$733

Air Canada

Nov 1

DCA4:00 pmWashington, D.C. Reagan-National

14h 20m

2 stops

LHR11:20 amLondon Heathrow

Nov 3

LHR6:50 amLondon Heathrow

13h 34m

2 stops

DCA3:24 pmWashington, D.C. Reagan-National

$736

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

Wed 9/9

11:00 am-8:20 pm

2 stops28h 20m

London Stansted

Wed 9/16

10:00 pm-9:50 pm

3 stops28h 50m

$665

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Wed 9/9

6:00 am-8:20 pm

3 stops33h 20m

London Stansted

Wed 9/16

10:00 pm-9:50 pm

3 stops28h 50m

$673

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Mon 8/24

4:20 pm-2:40 pm

2 stops17h 20m

London Stansted

Mon 8/31

6:30 am-3:38 pm

2 stops14h 08m

$676

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sat 10/31

6:55 pm-8:30 am

1 stop33h 35m

London Heathrow

Tue 11/3

6:50 am-9:59 pm

2 stops20h 09m

$733

Quickest round-trip

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 11/1

4:00 pm-11:20 am

2 stops14h 20m

London Heathrow

Tue 11/3

6:50 am-3:24 pm

2 stops13h 34m

$736

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 8/24

1:25 pm-6:30 am

1 stop12h 05m

London Heathrow

Tue 9/8

8:15 am-10:59 pm

1 stop19h 44m

$774

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 9/2

8:49 am-6:30 am

1 stop16h 41m

London Heathrow

Sun 9/6

8:15 am-10:59 pm

1 stop19h 44m

$782

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 10/27

5:15 pm-9:30 am

2 stops12h 15m

London City

Tue 11/3

7:45 am-6:25 pm

2 stops15h 40m

$893

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 9/1

11:00 am-7:55 am

2 stops15h 55m

London City

Tue 9/8

9:20 am-8:35 pm

2 stops16h 15m

$964

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 8/24

12:55 pm-7:15 am

2 stops13h 20m

London City

Mon 8/31

10:00 am-8:33 pm

2 stops15h 33m

$1,014

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 $823. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $947. 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 $852 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $919. 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 $954 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 $695 on momondo.

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

You could potentially save up to 7% 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 15m
Direct flights	None

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. 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 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 July 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 38% of the total bookings. Other popular airlines include American Airlines with 28%, JetBlue with 21%, and Virgin Atlantic 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 $497	Free Cancellation	Rating 7.5 693 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.1 11,805 reviews	Search American Airlines flights
British Airways	PriceFrom $529	Free Cancellation	Rating 6.7 8,107 reviews	Search British Airways flights
Air Canada	PriceFrom $577	Free Cancellation	Rating 7.1 11,328 reviews	Search Air Canada flights
United Airlines	PriceFrom $598	Free Cancellation	Rating 7.4 9,978 reviews	Search United Airlines flights
JetBlue	PriceFrom $639	Free Cancellation	Rating 7.1 3,013 reviews	Search JetBlue flights
Delta	PriceFrom $668	Free Cancellation	Rating 7.8 8,459 reviews	Search Delta flights

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Dover

Crawley

Wembley

Croydon

Stansted

Harrow

Slough

Watford

Brentwood

Ilford

Cobham

Folkestone

Guildford

Romford

Uxbridge

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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Cheap flights from Washington, D.C. Reagan-National Airport to London from $286

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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

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

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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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