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

Virgin Atlantic, Delta, and KLM can get you from London to Washington, D.C. Reagan-National Airport in just under 12h 04m. Your travel time can differ by up to 10h 13m. London and Washington, D.C. Reagan-National Airport are separated by a distance of 3652 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

The most popular flight routes from London to Washington, D.C. Reagan-National Airport are London Heathrow - Washington, D.C. Reagan-National, London Gatwick - Washington, D.C. Reagan-National and London City - Washington, D.C. Reagan-National.

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

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

Most accurate provider : When it comes to deals on London-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on London-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$459+ Cheap Flights from London to Washington, D.C. Reagan-National Airport

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Cheap flight deals from London to Reagan-National

Cheapest

Best

Last-minute

One-way

Cheapest flights from London to Reagan-National
Explore the most affordable flight options available from London to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.

Tue 10/69:40 am -

1 stop11h 39m

Tue 10/131:20 pm -

1 stop12h 25m

Deal found 8/22

$597

Wed 10/79:40 am -

1 stop13h 13m

Mon 10/125:05 pm -

1 stop12h 15m

Deal found 8/24

$601

Thu 10/13:50 pm -

1 stop12h 09m

Sat 10/105:05 pm -

1 stop10h 45m

Deal found 8/23

$602

Wed 9/163:50 pm -

1 stop12h 09m

Mon 9/216:10 am -

1 stop9h 00m

Deal found 8/23

$604

Wed 11/181:10 pm -

1 stop12h 50m

Wed 12/25:12 pm -

1 stop10h 23m

Deal found 8/26

$605

Tue 9/224:20 pm -

1 stop11h 39m

Sun 10/1111:05 am -

1 stop14h 15m

Deal found 8/23

$606

Thu 10/83:15 pm -

1 stop13h 32m

Sun 10/186:08 am -

1 stop9h 02m

Deal found 8/25

$607

Thu 12/174:00 pm -

1 stop32h 39m

Wed 12/309:40 am -

1 stop17h 05m

Deal found 8/23

$608

Wed 11/184:45 pm -

2 stops22h 17m

Wed 12/26:05 am -

2 stops21h 55m

Deal found 8/23

$609

Tue 10/139:40 am -

1 stop11h 39m

Sat 10/175:05 pm -

1 stop10h 45m

Deal found 8/23

$609

Sat 9/59:30 am -

1 stop11h 08m

Sat 9/194:20 pm -

1 stop12h 40m

Deal found 8/22

$610

Sat 9/194:20 pm -

1 stop11h 39m

Thu 9/246:10 am -

1 stop19h 35m

Deal found 8/27

$611

Best flights from London to Reagan-National
Discover carefully curated flight deals from London to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.

Thu 10/13:50 pm -

1 stop12h 09m

Sat 10/108:25 am -

1 stop16h 55m

Deal found 8/23

$630

Tue 10/69:40 am -

1 stop11h 39m

Tue 10/1311:05 am -

1 stop14h 40m

Deal found 8/22

$643

Wed 11/1812:55 pm -

1 stop12h 04m

Tue 1/192:35 pm -

1 stop11h 15m

Deal found 8/27

$648

Sat 10/249:30 am -

1 stop11h 10m

Sat 10/3112:55 pm -

1 stop13h 35m

Deal found 8/26

$649

Wed 11/2512:35 pm -

1 stop12h 24m

Sun 11/295:14 pm -

1 stop9h 56m

Deal found 8/24

$657

Wed 11/189:15 am -

2 stops17h 44m

Tue 1/1911:05 am -

2 stops16h 35m

Deal found 8/25

$669

Tue 1/1210:40 am -

3 stops37h 09m

Tue 1/2611:59 am -

2 stops16h 51m

Deal found 8/22

$1,019

Fri 9/184:20 pm -

1 stop11h 39m

Mon 9/216:10 am -

1 stop9h 00m

Deal found 8/26

$640

Tue 10/69:30 am -

1 stop11h 10m

Tue 10/1310:30 am -

1 stop17h 50m

Deal found 8/22

$657

Tue 9/229:20 am -

2 stops18h 42m

Tue 9/295:05 pm -

2 stops18h 35m

Deal found 8/25

$658

Sun 11/2212:55 pm -

1 stop11h 20m

Mon 11/305:14 pm -

1 stop10h 21m

Deal found 8/24

$658

Tue 11/249:15 am -

2 stops17h 44m

Tue 12/111:05 am -

2 stops16h 35m

Deal found 8/22

$673

Thu 12/1712:55 pm -

1 stop14h 09m

Tue 1/55:00 pm -

1 stop10h 05m

Deal found 8/25

$647

Thu 12/1710:00 am -

2 stops18h 28m

Tue 1/512:59 pm -

2 stops14h 11m

Deal found 8/22

$660

Thu 11/199:50 am -

2 stops17h 48m

Tue 1/1911:05 am -

2 stops16h 35m

Deal found 8/26

$680

Thu 10/153:50 pm -

1 stop12h 05m

Sun 10/186:08 am -

1 stop9h 02m

Deal found 8/22

$649

Thu 10/812:25 pm -

1 stop16h 19m

Thu 10/156:59 am -

1 stop18h 46m

Deal found 8/24

$650

Thu 9/179:15 am -

2 stops17h 35m

Tue 10/66:55 pm -

2 stops18h 00m

Deal found 8/22

$741

Sat 11/143:50 pm -

1 stop11h 36m

Tue 12/11:25 pm -

1 stop12h 25m

Deal found 8/24

$654

Sun 12/1310:40 am -

3 stops26h 25m

Thu 1/75:20 pm -

2 stops17h 30m

Deal found 8/25

$1,027

Wed 11/259:15 am -

2 stops17h 44m

Sun 11/296:55 pm -

2 stops17h 45m

Deal found 8/24

$778

Wed 11/189:15 am -

2 stops18h 23m

Wed 12/26:00 am -

3 stops30h 05m

Deal found 8/26

$811

Wed 9/309:15 am -

2 stops17h 35m

Mon 1/1111:05 am -

2 stops16h 35m

Deal found 8/26

$853

Wed 11/1810:00 am -

2 stops17h 26m

Wed 11/255:02 pm -

2 stops18h 23m

Deal found 8/27

$889

Sat 10/179:00 am -

2 stops18h 34m

Sat 10/246:55 pm -

2 stops17h 45m

Deal found 8/23

$973

Mon 9/1411:35 am -

2 stops15h 59m

Sat 9/264:20 pm -

3 stops16h 55m

Deal found 8/22

$994

Thu 10/110:00 am -

2 stops17h 59m

Tue 10/65:05 pm -

2 stops18h 20m

Deal found 8/24

$998

Tue 10/1310:00 am -

2 stops29h 09m

Tue 11/35:05 pm -

2 stops18h 20m

Deal found 8/24

$998

Sat 10/1710:00 am -

2 stops17h 55m

Sat 10/245:25 pm -

2 stops19h 00m

Deal found 8/23

$1,006

Wed 9/910:00 am -

2 stops29h 06m

Mon 9/148:55 pm -

2 stops14h 30m

Deal found 8/24

$1,008

Last-minute flights from London to Reagan-National
Discover last-minute flight deals from London to Reagan-National. Data last updated August 27, 2026 and is based on user searches.

Sat 9/59:30 am -

1 stop11h 08m

Sat 9/194:20 pm -

1 stop12h 40m

Deal found 8/22

$610

Wed 9/163:50 pm -

1 stop12h 09m

Mon 9/216:10 am -

1 stop9h 00m

Deal found 8/23

$604

Wed 9/166:30 am -

2 stops15h 02m

Mon 9/2112:32 pm -

1 stop13h 38m

Deal found 8/22

$613

Fri 9/184:05 pm -

1 stop12h 30m

Wed 9/235:00 pm -

1 stop11h 15m

Deal found 8/26

$614

Sat 9/194:20 pm -

1 stop11h 39m

Thu 9/246:10 am -

1 stop19h 35m

Deal found 8/27

$611

Sat 9/192:05 pm -

1 stop12h 45m

Sat 9/269:40 am -

1 stop19h 20m

Deal found 8/22

$615

Tue 9/224:20 pm -

1 stop11h 39m

Sun 10/1111:05 am -

1 stop14h 15m

Deal found 8/23

$606

Tue 9/228:45 am -

2 stops16h 14m

Mon 11/2312:55 pm -

1 stop12h 35m

Deal found 8/24

$616

Tue 9/228:45 am -

2 stops16h 14m

Wed 11/2511:05 am -

1 stop15h 05m

Deal found 8/24

$619

Tue 9/224:20 pm -

1 stop11h 39m

Mon 11/239:40 am -

1 stop16h 25m

Deal found 8/25

$624

Tue 9/221:25 pm -

1 stop13h 18m

Wed 11/256:05 am -

1 stop20h 10m

Deal found 8/25

$625

Tue 9/229:20 am -

2 stops18h 42m

Tue 9/295:05 pm -

2 stops18h 35m

Deal found 8/25

$658

One-way flights from London to Reagan-National
Search for one-way flight options from London to Reagan-National. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

Tue 9/229:40 am -

2 stops17h 54m

Deal found 8/22

$459

Wed 9/2311:35 am -

2 stops15h 59m

Deal found 8/24

$462

Sun 9/66:00 am -

3 stops20h 48m

Deal found 8/23

$464

Wed 9/1611:35 am -

2 stops15h 59m

Deal found 8/23

$465

Fri 9/1812:40 pm -

1 stop14h 54m

Deal found 8/23

$469

Sat 9/59:40 am -

1 stop28h 12m

Deal found 8/22

$471

Mon 11/912:55 pm -

1 stop11h 28m

Deal found 8/23

$475

Sun 11/14:30 pm -

1 stop12h 25m

Deal found 8/24

$479

Thu 9/1011:35 am -

2 stops15h 59m

Deal found 8/24

$480

Wed 11/189:55 am -

1 stop13h 30m

Deal found 8/25

$480

Mon 11/161:10 pm -

1 stop12h 50m

Deal found 8/27

$481

Sat 9/126:00 am -

3 stops20h 50m

Deal found 8/27

$483

Find flight deals from London to Reagan-National

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$597 (Ticket)
One-way from	$459 (Mytrip)
Popular in	October
Cheapest in	February
Average price	$896

Provider with most accurate pricing for London (LON)-Washington, D.C. Reagan-National flight deals.

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Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. Reagan-National flights.

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From London (LON) to Washington, D.C. Reagan-National

Search Deals

One-way flight from London (LON) to Washington, D.C. Reagan-National

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($66 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Thu 10/1

3:50 pm-10:59 pm

1 stop12h 09m

Washington, D.C. Reagan-National

Sat 10/10

8:25 am-6:20 am

1 stop16h 55m

$630

Quickest round-trip

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Fri 9/18

4:20 pm-10:59 pm

1 stop11h 39m

Washington, D.C. Reagan-National

Mon 9/21

6:10 am-8:10 pm

1 stop9h 00m

$640

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Tue 10/6

9:40 am-4:19 pm

1 stop11h 39m

Washington, D.C. Reagan-National

Tue 10/13

11:05 am-6:45 am

1 stop14h 40m

$643

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Thu 12/17

12:55 pm-10:04 pm

1 stop14h 09m

Washington, D.C. Reagan-National

Tue 1/5

5:00 pm-8:05 am

1 stop10h 05m

$647

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Wed 11/18

12:55 pm-7:59 pm

1 stop12h 04m

Washington, D.C. Reagan-National

Tue 1/19

2:35 pm-6:50 am

1 stop11h 15m

$648

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Sat 10/24

9:30 am-3:40 pm

1 stop11h 10m

Washington, D.C. Reagan-National

Sat 10/31

12:55 pm-6:30 am

1 stop13h 35m

$649

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Thu 10/15

3:50 pm-10:55 pm

1 stop12h 05m

Washington, D.C. Reagan-National

Sun 10/18

6:08 am-8:10 pm

1 stop9h 02m

$649

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Thu 10/8

12:25 pm-11:44 pm

1 stop16h 19m

Washington, D.C. Reagan-National

Thu 10/15

6:59 am-6:45 am

1 stop18h 46m

$650

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Sat 11/14

3:50 pm-10:26 pm

1 stop11h 36m

Washington, D.C. Reagan-National

Tue 12/1

1:25 pm-6:50 am

1 stop12h 25m

$654

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Wed 11/25

12:35 pm-7:59 pm

1 stop12h 24m

Washington, D.C. Reagan-National

Sun 11/29

5:14 pm-8:10 am

1 stop9h 56m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Showing 1-10 of 60 resultsSorted by cheapest first

...

Most accurate provider: When it comes to deals on London-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on London-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

LON-DCA

LGW-DCA

LHR-DCA

LCY-DCA

Estimated round-trip 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 London to Washington, D.C. Reagan-National Airport

LON-DCA

LGW-DCA

LHR-DCA

LCY-DCA

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

Currently, February is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of $580). Flying from London to Washington, D.C. Reagan-National Airport in October is currently the most expensive (average of $887). 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.

How much does it cost to fly round-trip from London to Washington, D.C. Reagan-National Airport?

Airfare is below average for this route at the moment.

London to Washington, D.C. Reagan-National Airport flights typically cost between $621 and $809 in October.
The cheapest round-trip price found within the last 5 days was $597 on Virgin Atlantic (Oct 6-Oct 13).

Related info for your journey

How long is the flight from London to Washington, D.C. Reagan-National Airport?
Virgin Atlantic, Delta, and KLM can get you from London to Washington, D.C. Reagan-National Airport in just under 12h 04m. Your travel time can differ by up to 10h 13m. London and Washington, D.C. Reagan-National Airport are separated by a distance of 3652 mi. This flight may include one or multiple stops.
What are the most popular routes from London to Washington, D.C. Reagan-National Airport?
The most popular flight routes from London to Washington, D.C. Reagan-National Airport are London Heathrow - Washington, D.C. Reagan-National, London Gatwick - Washington, D.C. Reagan-National and London City - Washington, D.C. Reagan-National.
Can I find deals for flights from London to Reagan-National that include hotel bookings?
Yes. In addition to deals on London to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Reagan-National.
Can I find deals for business class flights from London to Reagan-National?
Yes. Cheapflights offers flight deals from London to Reagan-National 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 London to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of $580). Flying from London to Washington, D.C. Reagan-National Airport in October is currently the most expensive (average of $887). 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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Reston

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$459+ Cheap flights from London (LON) to Reagan-National (DCA)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from London to Reagan-National

Cheapest flights from London to Reagan-NationalExplore the most affordable flight options available from London to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.

Explore the most affordable flight options available from London to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.

Best flights from London to Reagan-NationalDiscover carefully curated flight deals from London to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.

Discover carefully curated flight deals from London to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.

Last-minute flights from London to Reagan-NationalDiscover last-minute flight deals from London to Reagan-National. Data last updated August 27, 2026 and is based on user searches.

Discover last-minute flight deals from London to Reagan-National. Data last updated August 27, 2026 and is based on user searches.

One-way flights from London to Reagan-NationalSearch for one-way flight options from London to Reagan-National. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

Search for one-way flight options from London to Reagan-National. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

Find flight deals from London to Reagan-National

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

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Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

How much does it cost to fly round-trip from London to Washington, D.C. Reagan-National Airport?

Airfare is below average for this route at the moment.

London to Washington, D.C. Reagan-National Airport flights typically cost between $621 and $809 in October.The cheapest round-trip price found within the last 5 days was $597 on Virgin Atlantic (Oct 6-Oct 13).

Related info for your journey

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

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

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

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

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

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

Traveling to a place near Washington, D.C. Reagan-National Airport?

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Alternative routes for London to Reagan-National

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Find flights from London to Reagan-National, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Reagan-National flights

Browse other London and Reagan-National flight options. Last updated on August 27, 2026.

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Other flights to Reagan-National

Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.

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Cheapest flights from London to Reagan-National
Explore the most affordable flight options available from London to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.

Best flights from London to Reagan-National
Discover carefully curated flight deals from London to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.

Last-minute flights from London to Reagan-National
Discover last-minute flight deals from London to Reagan-National. Data last updated August 27, 2026 and is based on user searches.

One-way flights from London to Reagan-National
Search for one-way flight options from London to Reagan-National. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

London to Washington, D.C. Reagan-National Airport flights typically cost between $621 and $809 in October.
The cheapest round-trip price found within the last 5 days was $597 on Virgin Atlantic (Oct 6-Oct 13).