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

Montreal (YUL) is the most affordable one-stop option, with an average return flight price of £402.

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

Flights via Philadelphia (PHL) have the shortest average one-way travel time for one-stop routes: 8h 50m.

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

New York (JFK) – chosen by Cheapflights users on 50% of one-stop itineraries from Washington, D.C. Reagan-National Airport to London Heathrow Airport on Cheapflights.

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

Flights via Philadelphia (PHL) offer the fastest connection on this route, with an average stopover time of 2h 09m.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to London Heathrow Airport?

Travellers seeking maximum savings on their Washington, D.C. Reagan-National Airport to London Heathrow Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 is the cheapest time of day to fly from DCA to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport as you normally would.

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

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

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

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

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

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

£195+ Flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport

Cheap flight deals from Reagan-National to Heathrow

Round-trip from	£423
One-way from	£195
Popular in	December
Cheapest in	January
Average price	£522

Scandinavian Airlines
11/11-18/11
4 total stops
44h 01m total
Washington, D.C. to London

Search Deals

JetBlue
9/2
1 total stop
10h 25m total
Washington, D.C. to London

Search Deals

Highest demand for flights based on searches. 0% potential increase in price (£2 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Reagan-National to Heathrow

Cheapest flights from Reagan-National to Heathrow
Explore the most affordable flight options available from Reagan-National to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2025.

Tue 11/1112:15DCA - LHR

2 stops22h 45mScandinavian Airlines

Tue 18/1106:40LHR - DCA

2 stops21h 16mScandinavian Airlines

Deal found 26/9£423

Tue 21/1012:15DCA - LHR

2 stops16h 05mScandinavian Airlines

Tue 28/1006:40LHR - DCA

2 stops20h 22mScandinavian Airlines

Deal found 26/9£442

Sun 19/1006:05DCA - LHR

2 stops27h 30mScandinavian Airlines

Thu 23/1007:05LHR - DCA

2 stops20h 59mScandinavian Airlines

Deal found 26/9£442

Wed 12/1106:24DCA - LHR

1 stop22h 06mJetBlue

Mon 17/1108:05LHR - DCA

1 stop11h 31mJetBlue

Deal found 26/9£446

Tue 11/1115:09DCA - LHR

1 stop10h 46mJetBlue

Tue 18/1109:20LHR - DCA

1 stop13h 44mJetBlue

Deal found 27/9£447

Wed 22/1009:40DCA - LHR

1 stop18h 55mMultiple Airlines

Wed 29/1006:50LHR - DCA

2 stops13h 06mMultiple Airlines

Deal found 28/9£448

Tue 4/1113:15DCA - LHR

2 stops23h 25mScandinavian Airlines

Sun 9/1119:30LHR - DCA

2 stops32h 26mScandinavian Airlines

Deal found 28/9£449

Tue 4/1112:15DCA - LHR

2 stops22h 45mScandinavian Airlines

Tue 11/1106:40LHR - DCA

2 stops21h 16mScandinavian Airlines

Deal found 26/9£450

Sun 12/1013:00DCA - LHR

1 stop11h 55mUnited Airlines

Tue 21/1015:20LHR - DCA

1 stop11h 17mUnited Airlines

Deal found 27/9£451

Sun 12/1009:40DCA - LHR

1 stop15h 50mAir Canada

Tue 21/1009:30LHR - DCA

1 stop11h 21mAir Canada

Deal found 27/9£453

Sun 12/1006:25DCA - LHR

1 stop9h 20mJetBlue

Tue 21/1011:55LHR - DCA

1 stop12h 27mJetBlue

Deal found 27/9£454

Tue 14/1011:10DCA - LHR

2 stops17h 25mScandinavian Airlines

Tue 21/1006:40LHR - DCA

2 stops20h 27mScandinavian Airlines

Deal found 28/9£454

Best flights from Reagan-National to Heathrow
Discover carefully curated flight deals from Reagan-National to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2025.

Tue 11/1112:15DCA - LHR

2 stops22h 45mScandinavian Airlines

Tue 18/1119:30LHR - DCA

2 stops32h 26mScandinavian Airlines

Deal found 27/9£449

Tue 21/1020:40DCA - LHR

1 stop11h 50mDelta

Tue 28/1006:30LHR - DCA

2 stops17h 10mDelta

Deal found 26/9£465

Tue 11/1116:10DCA - LHR

1 stop10h 00mUnited Airlines

Tue 18/1113:25LHR - DCA

1 stop13h 31mUnited Airlines

Deal found 27/9£474

Tue 14/1016:35DCA - LHR

1 stop12h 00mMultiple Airlines

Tue 21/1009:30LHR - DCA

1 stop11h 21mMultiple Airlines

Deal found 26/9£475

Tue 9/1213:45DCA - LHR

1 stop12h 10mJetBlue

Sat 13/1212:20LHR - DCA

1 stop15h 38mJetBlue

Deal found 27/9£477

Sun 12/1017:20DCA - LHR

1 stop11h 10mJetBlue

Wed 15/1008:25LHR - DCA

1 stop14h 35mJetBlue

Deal found 27/9£477

Wed 12/1111:45DCA - LHR

1 stop14h 10mJetBlue

Sun 16/1107:45LHR - DCA

1 stop11h 51mJetBlue

Deal found 27/9£477

Thu 6/1113:35DCA - LHR

1 stop12h 20mJetBlue

Mon 10/1108:05LHR - DCA

1 stop11h 31mJetBlue

Deal found 28/9£477

Sat 18/1014:30DCA - LHR

1 stop11h 00mJetBlue

Wed 29/1009:20LHR - DCA

1 stop11h 40mJetBlue

Deal found 27/9£477

Wed 28/106:15DCA - LHR

1 stop10h 25mJetBlue

Mon 2/209:20LHR - DCA

1 stop11h 59mJetBlue

Deal found 28/9£477

Fri 20/209:15DCA - LHR

1 stop16h 40mJetBlue

Wed 25/209:20LHR - DCA

1 stop16h 20mJetBlue

Deal found 28/9£477

Mon 10/1115:09DCA - LHR

1 stop10h 46mJetBlue

Mon 17/1108:05LHR - DCA

1 stop11h 31mJetBlue

Deal found 27/9£477

Last-minute flights from Reagan-National to Heathrow
Discover last-minute flight deals from Reagan-National to Heathrow. Data last updated 28 September 2025 and is based on user searches.

Sun 5/1006:25DCA - LHR

1 stop22h 05mJetBlue

Fri 10/1011:55LHR - DCA

1 stop16h 01mJetBlue

Deal found 26/9£446

Sun 12/1013:00DCA - LHR

1 stop11h 55mUnited Airlines

Tue 21/1015:20LHR - DCA

1 stop11h 17mUnited Airlines

Deal found 27/9£451

Sun 12/1009:40DCA - LHR

1 stop15h 50mAir Canada

Tue 21/1009:30LHR - DCA

1 stop11h 21mAir Canada

Deal found 27/9£453

Sun 12/1006:25DCA - LHR

1 stop9h 20mJetBlue

Tue 21/1011:55LHR - DCA

1 stop12h 27mJetBlue

Deal found 27/9£454

Tue 14/1011:10DCA - LHR

2 stops17h 25mScandinavian Airlines

Tue 21/1006:40LHR - DCA

2 stops20h 27mScandinavian Airlines

Deal found 27/9£454

Tue 14/1011:10DCA - LHR

2 stops17h 25mScandinavian Airlines

Fri 31/1006:40LHR - DCA

2 stops21h 12mScandinavian Airlines

Deal found 26/9£455

Sun 19/1006:05DCA - LHR

2 stops27h 30mScandinavian Airlines

Thu 23/1007:05LHR - DCA

2 stops20h 59mScandinavian Airlines

Deal found 26/9£442

Tue 21/1012:15DCA - LHR

2 stops16h 05mScandinavian Airlines

Tue 28/1006:40LHR - DCA

2 stops20h 22mScandinavian Airlines

Deal found 26/9£442

Wed 22/1009:40DCA - LHR

1 stop18h 55mMultiple Airlines

Wed 29/1006:50LHR - DCA

2 stops13h 06mMultiple Airlines

Deal found 28/9£448

Mon 27/1011:10DCA - LHR

2 stops24h 50mScandinavian Airlines

Mon 3/1119:30LHR - DCA

2 stops31h 37mScandinavian Airlines

Deal found 28/9£449

One-way flights from Reagan-National to Heathrow
Search for one-way flight options from Reagan-National to Heathrow. Find affordable one-way fares based on user searches. Data last updated 28 September 2025.

Mon 9/215:30DCA - LHR

1 stop10h 25mJetBlue

Deal found 26/9£195

Tue 28/1013:45DCA - LHR

1 stop13h 10mJetBlue

Deal found 27/9£207

Mon 6/1006:05DCA - LHR

2 stops22h 30mScandinavian Airlines

Deal found 26/9£207

Mon 24/1115:40DCA - LHR

1 stop10h 15mJetBlue

Deal found 26/9£208

Wed 19/1106:24DCA - LHR

1 stop22h 06mJetBlue

Deal found 28/9£209

Wed 5/1107:00DCA - LHR

1 stop18h 55mJetBlue

Deal found 26/9£212

Fri 7/1116:55DCA - LHR

1 stop11h 35mJetBlue

Deal found 27/9£213

Tue 2/1215:40DCA - LHR

1 stop10h 15mJetBlue

Deal found 26/9£214

Thu 4/1207:00DCA - LHR

1 stop18h 55mJetBlue

Deal found 28/9£215

Mon 19/106:59DCA - LHR

3 stops24h 51mMultiple Airlines

Deal found 27/9£216

Wed 12/1115:09DCA - LHR

1 stop10h 46mJetBlue

Deal found 26/9£218

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 11/11

12:15-16:00

2 stops22h 45m

London Heathrow

Tue 18/11

19:30-22:56

2 stops32h 26m

£449

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 21/10

20:40-13:30

1 stop11h 50m

London Heathrow

Tue 28/10

06:30-19:40

2 stops17h 10m

£465

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 11/11

16:10-07:10

1 stop10h 00m

London Heathrow

Tue 18/11

13:25-21:56

1 stop13h 31m

£474

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 14/10

16:35-09:35

1 stop12h 00m

London Heathrow

Tue 21/10

09:30-15:51

1 stop11h 21m

£475

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 9/12

13:45-06:55

1 stop12h 10m

London Heathrow

Sat 13/12

12:20-22:58

1 stop15h 38m

£477

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 12/10

17:20-09:30

1 stop11h 10m

London Heathrow

Wed 15/10

08:25-18:00

1 stop14h 35m

£477

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 12/11

11:45-06:55

1 stop14h 10m

London Heathrow

Sun 16/11

07:45-14:36

1 stop11h 51m

£477

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Thu 6/11

13:35-06:55

1 stop12h 20m

London Heathrow

Mon 10/11

08:05-14:36

1 stop11h 31m

£477

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sat 18/10

14:30-06:30

1 stop11h 00m

London Heathrow

Wed 29/10

09:20-17:00

1 stop11h 40m

£477

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 28/1

06:15-21:40

1 stop10h 25m

London Heathrow

Mon 2/2

09:20-16:19

1 stop11h 59m

£477

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 23 results

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

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

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 Heathrow Airport

Prices

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

The best time to book flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport (average of £112). Flying from Washington, D.C. Reagan-National Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Related info for your journey

How long is the flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport?
For as low as £474, Scandinavian Airlines can have you in London Heathrow Airport from Washington, D.C. Reagan-National Airport in 10h. Washington, D.C. Reagan-National Airport and London Heathrow Airport are separated by a distance of 3652 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Reagan-National to Heathrow that include hotel bookings?
Yes. In addition to deals on Reagan-National to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Heathrow.
Can I find deals for business class flights from Reagan-National to Heathrow?
Yes. Cheapflights offers flight deals from Reagan-National to Heathrow 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 Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport (average of £112). Flying from Washington, D.C. Reagan-National Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

See more FAQs

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Slough

Gatwick

Luton

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Deal

Wembley

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Crawley

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Watford

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Brentford

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Reagan-National to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Heathrow from Reagan-National by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Reagan-National to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Reagan-National to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport from £195

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Reagan-National to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Heathrow

Cheapest flights from Reagan-National to HeathrowExplore the most affordable flight options available from Reagan-National to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2025.

Explore the most affordable flight options available from Reagan-National to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport that are best for you.

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

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

Cheapflights Insights

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

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

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

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

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

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

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

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

Travelling to a place near London Heathrow Airport?

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Alternative routes for Reagan-National to Heathrow

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How does Cheapflights help users find flights from Reagan-National to Heathrow?

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

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

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Cheapest flights from Reagan-National to Heathrow
Explore the most affordable flight options available from Reagan-National to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2025.