How long is the flight from Washington, D.C. Reagan-National Airport to London?

JetBlue can get you from Washington, D.C. Reagan-National Airport to London in just under 10h 40m. Your travel time can differ by up to . The distance from Washington, D.C. Reagan-National Airport to London is about 3652 mi.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Washington, D.C. Reagan-National Airport to London?

The most popular route from Washington, D.C. Reagan-National Airport to London is Washington, D.C. Reagan-National - London Heathrow. You may also consider Washington, D.C. Reagan-National - London Gatwick or Washington, D.C. Reagan-National - London Luton.

What is the cheapest time of day to fly from DCA to LON?

When flying from Washington, D.C. Reagan-National Airport to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Reagan-National to London that include hotel bookings?

Yes. In addition to deals on Reagan-National to London flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Reagan-National to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to London.

Can I find deals for business class flights from Reagan-National to London?

Yes. Cheapflights offers flight deals from Reagan-National to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£240+ Cheap Flights from Washington, D.C. Reagan-National Airport to London

Cheap flight deals from Reagan-National to London

Enter your travel dates to find the best prices.

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Cheapest flights from Reagan-National to London
Explore the most affordable flight options available from Reagan-National to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Sun 1/1116:00 -

1 stop10h 10m

Sat 7/1115:00 -

1 stop12h 38m

Deal found 25/10£549

Wed 18/1106:00 -

3 stops32h 30m

Mon 23/1120:35 -

2 stops31h 03m

Deal found 27/10£569

Sun 15/1106:59 -

2 stops31h 31m

Sun 22/1120:35 -

2 stops31h 03m

Deal found 27/10£573

Thu 12/1106:15 -

1 stop10h 25m

Wed 25/1109:20 -

1 stop13h 35m

Deal found 28/10£581

Sun 15/1110:39 -

1 stop15h 16m

Wed 18/1107:25 -

1 stop19h 50m

Deal found 29/10£582

Tue 17/1106:59 -

2 stops33h 41m

Thu 19/1118:40 -

2 stops32h 58m

Deal found 27/10£584

Mon 23/1106:00 -

3 stops30h 05m

Wed 25/1113:45 -

2 stops35h 13m

Deal found 27/10£591

Tue 24/1106:00 -

3 stops32h 30m

Tue 1/1220:35 -

2 stops31h 03m

Deal found 25/10£592

Thu 12/1106:15 -

1 stop10h 25m

Mon 16/1108:05 -

1 stop19h 10m

Deal found 30/10£593

Mon 23/1106:00 -

1 stop10h 40m

Fri 27/1108:05 -

1 stop19h 47m

Deal found 28/10£594

Mon 7/1211:14 -

2 stops26h 16m

Fri 11/1206:40 -

2 stops20h 44m

Deal found 29/10£599

Find flight deals from Reagan-National to London

Round-trip from	£548
One-way from	£240
Popular in	June
Cheapest in	January
Average price	£708

3/2-5/2
3 total stops
23h 44m total
Washington, D.C. to London

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JetBlue
25/3-31/12
1 total stop
11h 40m total
Washington, D.C. to London

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Highest demand for flights based on searches. 15% potential increase in price (£95 potential increase over avg. return price).

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Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

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Average for round-trip flights in October 2026

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Cheapflights 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.

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Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Fri 11/12

06:15-20:55

1 stop9h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£272

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Sun 29/11

06:00-20:55

1 stop9h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£279

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Fri 19/3

11:00-07:10

1 stop16h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£287

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Thu 19/11

06:00-21:40

1 stop10h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£348

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Wed 18/11

11:00-06:50

2 stops14h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£373

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Wed 9/12

17:16-08:35

1 stop10h 19m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£374

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Fri 6/11

09:40-21:00

2 stops54h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£376

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Fri 25/12

10:15-07:10

2 stops15h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£462

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Sun 15/11

15:54-21:35

3 stops24h 41m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£480

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Sun 6/12

19:40-21:35

3 stops20h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£480

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 24 resultsSorted by cheapest first

Best time to book a flight from Reagan-National to London

Have a flexible travel schedule? Discover the best time to fly to London from Reagan-National with our price prediction graph.

DCA-LON

DCA-LHR

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to London

DCA-LON

DCA-LHR

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to London?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to London (average of £541). Flying from Washington, D.C. Reagan-National Airport to London in June is currently the most expensive (average of £1,058). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What’s the top stopover airport for flights from Washington, D.C. Reagan-National Airport to London?

Toronto (YYZ) – chosen by Cheapflights users on 67% of one-stop itineraries from Washington, D.C. Reagan-National Airport to London on Cheapflights.

What’s the cheapest stopover airport for flights from Washington, D.C. Reagan-National Airport to London?

New York (JFK) is the most affordable one-stop option, with an average return flight price of £559.

What’s the fastest stopover option from Washington, D.C. Reagan-National Airport to London?

Flights via New York (JFK) have the shortest average one-way travel time for one-stop routes: 9h 00m.

Which airport typically offers the quickest stopover for flights from Washington, D.C. Reagan-National Airport to London?

Flights via New York (JFK) offer the fastest connection on this route, with an average stopover time of 1h 15m.

Related info for your journey

How long is the flight from Washington, D.C. Reagan-National Airport to London?
JetBlue can get you from Washington, D.C. Reagan-National Airport to London in just under 10h 40m. Your travel time can differ by up to . The distance from Washington, D.C. Reagan-National Airport to London is about 3652 mi.
What are the most popular routes from Washington, D.C. Reagan-National Airport to London?
The most popular route from Washington, D.C. Reagan-National Airport to London is Washington, D.C. Reagan-National - London Heathrow. You may also consider Washington, D.C. Reagan-National - London Gatwick or Washington, D.C. Reagan-National - London Luton.
Can I find deals for flights from Reagan-National to London that include hotel bookings?
Yes. In addition to deals on Reagan-National to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Reagan-National to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to London.
Can I find deals for business class flights from Reagan-National to London?
Yes. Cheapflights offers flight deals from Reagan-National to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to London?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to London (average of £541). Flying from Washington, D.C. Reagan-National Airport to London in June is currently the most expensive (average of £1,058). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Cheapflights makes it easy to find Reagan-National to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Reagan-National to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Reagan-National to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Reagan-National to London with no change fees?

Need flexible booking options for your flight to London from Reagan-National? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Reagan-National to London become cheaper?

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Cheap flights from Washington, D.C. Reagan-National Airport to London from £240

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Reagan-National to London

Cheapest flights from Reagan-National to LondonExplore the most affordable flight options available from Reagan-National to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Explore the most affordable flight options available from Reagan-National to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Reagan-National to LondonDiscover carefully curated flight deals from Reagan-National to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Reagan-National to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Reagan-National to LondonDiscover last-minute flight deals from Reagan-National to London. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Reagan-National to London. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Reagan-National to LondonSearch for one-way flight options from Reagan-National to London. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options from Reagan-National to London. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

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Best time to book a flight from Reagan-National to London

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Cheapflights Insights

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to London?

What’s the top stopover airport for flights from Washington, D.C. Reagan-National Airport to London?

Share of one-stop return flights from Washington, D.C. Reagan-National Airport to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Toronto (YYZ) – chosen by Cheapflights users on 67% of one-stop itineraries from Washington, D.C. Reagan-National Airport to London on Cheapflights.

What’s the cheapest stopover airport for flights from Washington, D.C. Reagan-National Airport to London?

Average return fare for one-stop flights from Washington, D.C. Reagan-National Airport to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

New York (JFK) is the most affordable one-stop option, with an average return flight price of £559.

What’s the fastest stopover option from Washington, D.C. Reagan-National Airport to London?

Shortest average travel time for one-stop one-way flights from Washington, D.C. Reagan-National Airport to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via New York (JFK) have the shortest average one-way travel time for one-stop routes: 9h 00m.

Which airport typically offers the quickest stopover for flights from Washington, D.C. Reagan-National Airport to London?

Average stopover duration for one-stop one-way flights from Washington, D.C. Reagan-National Airport to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via New York (JFK) offer the fastest connection on this route, with an average stopover time of 1h 15m.

Related info for your journey

How long is the flight from Washington, D.C. Reagan-National Airport to London?

What are the most popular routes from Washington, D.C. Reagan-National Airport to London?

Can I find deals for flights from Reagan-National to London that include hotel bookings?

How can I find direct flights from Reagan-National to London?

Can I find deals for business class flights from Reagan-National to London?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to London?

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Can Cheapflights notify me if prices for flights from Reagan-National to London become cheaper?

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Cheapest flights from Reagan-National to London
Explore the most affordable flight options available from Reagan-National to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Reagan-National to London
Discover carefully curated flight deals from Reagan-National to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Reagan-National to London
Discover last-minute flight deals from Reagan-National to London. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Reagan-National to London
Search for one-way flight options from Reagan-National to London. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.