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Reagan-National

$490+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from London to Reagan-National

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 February 5, 2026.

This deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:40 am
LHR
-
DCA
1 stop11h 20m
Delta
Thu 5/2811:55 am
DCA
-
LHR
1 stop13h 50m
Delta
Deal found 2/4$538
This deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:40 am
LHR
-
DCA
1 stop14h 06m
JetBlue
Tue 5/2612:25 pm
DCA
-
LHR
1 stop13h 05m
JetBlue
Deal found 2/3$541
This deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:25 pm
LHR
-
DCA
1 stop15h 20m
Delta
Mon 6/15:00 pm
DCA
-
LHR
1 stop12h 20m
Delta
Deal found 2/4$556
This TravelUp deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:20 am
LHR
-
DCA
1 stop13h 29m
JetBlue
Tue 3/32:05 pm
DCA
-
LHR
1 stop11h 50m
JetBlue
Deal found 2/2$564
This TravelUp deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/289:20 am
LHR
-
DCA
1 stop16h 40m
JetBlue
Sun 3/111:55 am
DCA
-
LHR
1 stop14h 00m
JetBlue
Deal found 2/3$568
This TravelUp deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/129:20 am
LHR
-
DCA
1 stop11h 44m
JetBlue
Thu 2/192:05 pm
DCA
-
LHR
1 stop11h 50m
JetBlue
Deal found 2/2$569
This deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/238:40 am
LHR
-
DCA
1 stop12h 39m
JetBlue
Tue 5/263:59 pm
DCA
-
LHR
1 stop9h 31m
JetBlue
Deal found 2/3$571
This TravelUp deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:20 pm
LHR
-
DCA
1 stop14h 39m
JetBlue
Wed 3/256:00 am
DCA
-
LHR
1 stop11h 40m
JetBlue
Deal found 2/2$572
This deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:45 am
LHR
-
DCA
1 stop13h 14m
Delta
Mon 6/112:59 pm
DCA
-
LHR
1 stop12h 46m
Delta
Deal found 2/3$575
This Rumbo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/98:05 am
LHR
-
DCA
1 stop19h 54m
JetBlue
Sun 2/158:55 pm
DCA
-
LHR
1 stop29h 00m
JetBlue
Deal found 2/2$576
This deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:40 am
LHR
-
DCA
1 stop11h 20m
Delta
Fri 5/2911:55 am
DCA
-
LHR
1 stop13h 50m
Delta
Deal found 2/4$577
This Trip.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/111:00 pm
LGW
-
DCA
1 stop13h 59m
Multiple Airlines
Wed 3/186:00 am
DCA
-
LGW
1 stop20h 00m
Multiple Airlines
Deal found 2/2$628

Find flight deals from London to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$538

One-way from

$490
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$560
Provider with most accurate pricing for London (LON)-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. Reagan-National flights.
Search Deals
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. 13% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 5, 2026.
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

London

Fly to

Reagan-National

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 3/5

12:20 pm-10:59 pm

1 stop15h 39m

Washington, D.C. Reagan-National

Mon 3/9

3:40 pm-6:55 am

1 stop11h 15m

$568

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 3/6

12:20 pm-10:59 pm

1 stop15h 39m

Washington, D.C. Reagan-National

Wed 3/18

5:15 pm-6:55 am

1 stop9h 40m

$609

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 3/11

9:20 am-5:49 pm

1 stop12h 29m

Washington, D.C. Reagan-National

Mon 3/16

1:00 pm-6:55 am

1 stop13h 55m

$609

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 3/12

12:20 pm-10:59 pm

1 stop14h 39m

Washington, D.C. Reagan-National

Wed 3/18

6:00 am-9:40 pm

1 stop11h 40m

$609

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 3/10

9:20 am-9:20 pm

1 stop16h 00m

Washington, D.C. Reagan-National

Wed 3/18

5:15 pm-6:55 am

1 stop9h 40m

$609

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 3/7

12:20 pm-10:59 pm

1 stop15h 39m

Washington, D.C. Reagan-National

Wed 3/18

6:00 am-9:40 pm

1 stop11h 40m

$609

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 3/11

9:20 am-5:49 pm

1 stop12h 29m

Washington, D.C. Reagan-National

Tue 3/17

10:05 am-6:55 am

1 stop16h 50m

$609

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 3/10

9:20 am-9:20 pm

1 stop16h 00m

Washington, D.C. Reagan-National

Mon 3/16

3:55 pm-6:55 am

1 stop11h 00m

$609

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 3/10

9:20 am-6:55 pm

1 stop13h 35m

Washington, D.C. Reagan-National

Tue 3/17

5:15 pm-6:55 am

1 stop9h 40m

$609

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 3/2

9:20 am-6:55 pm

1 stop14h 35m

Washington, D.C. Reagan-National

Fri 3/6

10:00 am-6:55 am

1 stop15h 55m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 60 results
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  • 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.
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

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

Currently, November is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of $553). Flying from London to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $683). 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?

Related info for your journey

Find useful and relevant information for your journey from London to Reagan-National. 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 London to Washington, D.C. Reagan-National Airport?

    JetBlue, American Airlines, and British Airways can get you from London to Washington, D.C. Reagan-National Airport in just under 15h 39m. Your travel time can differ by up to 14h 09m. 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, November is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of $553). Flying from London to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $683). 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

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

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

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