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Reagan-National

$548+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
May 3 — May 101
Sun 5/3
Sun 5/10
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 April 3, 2026.

This Air Canada deal was found by Cheapflights users on 3/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:40 am
LHR
-
DCA
2 stops16h 18m
Air Canada
Mon 7/2012:40 pm
DCA
-
LHR
1 stop12h 50m
Air Canada
Deal found 3/29$562
This Air Canada deal was found by Cheapflights users on 3/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:00 am
LHR
-
DCA
2 stops15h 57m
Air Canada
Mon 11/3012:55 pm
DCA
-
LHR
2 stops13h 15m
Air Canada
Deal found 3/29$566
This Air Canada deal was found by Cheapflights users on 3/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:50 am
LHR
-
DCA
2 stops13h 49m
Air Canada
Wed 5/2012:45 pm
DCA
-
LHR
2 stops16h 15m
Air Canada
Deal found 3/29$571
This Air Canada deal was found by Cheapflights users on 3/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:00 am
LHR
-
DCA
2 stops18h 57m
Air Canada
Wed 12/236:59 am
DCA
-
LHR
1 stop18h 31m
Air Canada
Deal found 3/29$574
This Flightnetwork deal was found by Cheapflights users on 3/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:45 am
LHR
-
DCA
2 stops16h 08m
Air Canada
Thu 4/2311:00 am
DCA
-
LHR
1 stop18h 00m
Air Canada
Deal found 3/29$579
This Expedia deal was found by Cheapflights users on 3/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:30 am
LHR
-
DCA
1 stop11h 00m
Air Canada
Tue 5/56:55 pm
DCA
-
LHR
1 stop9h 40m
Air Canada
Deal found 3/29$581
This Expedia deal was found by Cheapflights users on 3/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:30 am
LHR
-
DCA
1 stop11h 00m
Air Canada
Wed 7/226:55 pm
DCA
-
LHR
1 stop9h 40m
Air Canada
Deal found 3/29$584
This Expedia deal was found by Cheapflights users on 3/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:30 am
LHR
-
DCA
1 stop11h 10m
Air Canada
Tue 9/158:40 pm
DCA
-
LHR
1 stop10h 10m
Air Canada
Deal found 3/29$586
This Air Canada deal was found by Cheapflights users on 3/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:50 pm
LHR
-
DCA
2 stops32h 10m
Air Canada
Wed 12/236:59 am
DCA
-
LHR
1 stop18h 31m
Air Canada
Deal found 3/29$589
This Globehunters deal was found by Cheapflights users on 3/31. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:20 pm
LGW
-
DCA
1 stop12h 39m
JetBlue
Tue 6/93:59 pm
DCA
-
LGW
1 stop12h 36m
JetBlue
Deal found 3/31$629
This Globehunters deal was found by Cheapflights users on 4/2. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:20 pm
LGW
-
DCA
1 stop24h 35m
JetBlue
Tue 6/95:25 pm
DCA
-
LGW
1 stop11h 10m
JetBlue
Deal found 4/2$632
This Travcart deal was found by Cheapflights users on 3/31. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:20 pm
LGW
-
DCA
1 stop12h 39m
JetBlue
Sun 6/77:29 am
DCA
-
LGW
1 stop21h 06m
JetBlue
Deal found 3/31$636

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 April 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$562
(Air Canada)

One-way from

$548
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$713
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. 14% potential increase in price ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 3, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 6/23

2:05 pm-9:48 pm

1 stop12h 43m

Washington, D.C. Reagan-National

Thu 7/9

6:00 am-8:40 pm

1 stop9h 40m

$594

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 6/23

9:30 am-3:38 pm

1 stop11h 08m

Washington, D.C. Reagan-National

Mon 7/6

4:30 pm-9:20 am

1 stop11h 50m

$594

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 4/13

8:00 am-3:38 pm

1 stop12h 38m

Washington, D.C. Reagan-National

Thu 4/23

6:00 am-8:40 pm

1 stop9h 40m

$596
Quickest round-trip

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 5/11

10:25 am-4:24 pm

1 stop10h 59m

Washington, D.C. Reagan-National

Thu 5/14

7:00 am-9:20 pm

1 stop9h 20m

$596

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 4/16

2:05 pm-9:55 pm

1 stop12h 50m

Washington, D.C. Reagan-National

Tue 4/21

11:55 am-6:45 am

1 stop13h 50m

$634

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 5/6

9:30 am-3:39 pm

1 stop11h 09m

Washington, D.C. Reagan-National

Fri 5/8

4:35 pm-7:15 am

1 stop9h 40m

$634

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 9/3

10:25 am-4:57 pm

1 stop11h 32m

Washington, D.C. Reagan-National

Tue 9/8

3:05 pm-5:55 am

1 stop9h 50m

$636

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 4/29

8:40 am-8:59 pm

1 stop17h 19m

Washington, D.C. Reagan-National

Sun 5/3

6:00 am-8:45 pm

1 stop9h 45m

$673

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 5/6

8:40 am-5:46 pm

1 stop14h 06m

Washington, D.C. Reagan-National

Fri 5/15

6:00 am-8:45 pm

1 stop9h 45m

$677

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 5/23

12:20 pm-7:59 pm

1 stop12h 39m

Washington, D.C. Reagan-National

Tue 5/26

4:15 pm-9:35 am

1 stop12h 20m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of $503). Flying from London to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of $737). 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?

    United Airlines, JetBlue, and British Airways can get you from London to Washington, D.C. Reagan-National Airport in just under 12h 39m. Your travel time can differ by up to 4h 36m. London and Washington, D.C. Reagan-National Airport are separated by a distance of 3670 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 $503). Flying from London to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of $737). 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
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
Cordova
Manassas

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