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Reagan-National

$537+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
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 May 21, 2026.

This deal was found by Cheapflights users on 5/18. 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 8/111:05 am
LHR
-
DCA
1 stop15h 05m
United Airlines
Tue 8/115:55 pm
DCA
-
LHR
1 stop10h 25m
United Airlines
Deal found 5/18$649
This TravelUp deal was found by Cheapflights users on 5/17. 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 6/212:20 pm
LGW
-
DCA
1 stop12h 39m
JetBlue
Sat 6/69:00 pm
DCA
-
LGW
1 stop31h 35m
JetBlue
Deal found 5/17$658
This deal was found by Cheapflights users on 5/21. 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 6/312:20 pm
LGW
-
DCA
1 stop12h 39m
JetBlue
Mon 6/86:45 pm
DCA
-
LGW
1 stop9h 50m
JetBlue
Deal found 5/21$669
This Gotogate deal was found by Cheapflights users on 5/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:40 am
LHR
-
DCA
2 stops18h 10m
Air Canada
Sat 10/176:00 am
DCA
-
LHR
1 stop19h 30m
Air Canada
Deal found 5/19$673
This TravelUp deal was found by Cheapflights users on 5/17. 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 8/54:20 pm
LHR
-
DCA
1 stop11h 39m
Virgin Atlantic
Tue 8/116:02 am
DCA
-
LHR
1 stop9h 08m
Virgin Atlantic
Deal found 5/17$676
This TravelUp deal was found by Cheapflights users on 5/20. 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 6/1012:20 pm
LGW
-
DCA
1 stop12h 39m
JetBlue
Sat 6/209:00 pm
DCA
-
LGW
1 stop31h 35m
JetBlue
Deal found 5/20$678
This TravelUp deal was found by Cheapflights users on 5/17. 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 7/211:25 pm
LHR
-
DCA
1 stop15h 27m
Virgin Atlantic
Sat 7/256:30 pm
DCA
-
LHR
1 stop31h 45m
Virgin Atlantic
Deal found 5/17$678
This TravelUp deal was found by Cheapflights users on 5/20. 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 6/412:20 pm
LGW
-
DCA
1 stop28h 54m
JetBlue
Mon 6/82:55 pm
DCA
-
LGW
1 stop13h 40m
JetBlue
Deal found 5/20$679
This deal was found by Cheapflights users on 5/18. 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 8/18:00 am
LHR
-
DCA
1 stop17h 09m
United Airlines
Sun 8/161:01 pm
DCA
-
LHR
1 stop13h 14m
United Airlines
Deal found 5/18$679
This deal was found by Cheapflights users on 5/21. 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.
Sun 6/147:45 am
LHR
-
DCA
1 stop12h 37m
United Airlines
Sun 6/212:00 pm
DCA
-
LHR
1 stop11h 45m
United Airlines
Deal found 5/21$680
This deal was found by Cheapflights users on 5/21. 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.
Sun 6/149:30 am
LHR
-
DCA
1 stop11h 09m
Air Canada
Sun 6/218:40 pm
DCA
-
LHR
1 stop10h 10m
Air Canada
Deal found 5/21$684
This TravelUp deal was found by Cheapflights users on 5/17. 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.
Fri 6/512:20 pm
LGW
-
DCA
1 stop14h 24m
JetBlue
Tue 7/148:55 pm
DCA
-
LGW
1 stop31h 40m
JetBlue
Deal found 5/17$685

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 May 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$649

One-way from

$537
(Vliegwinkel)

Popular in

October

Cheapest in

February

Average price

$759
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) 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
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 21, 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.

LGW - DCA

LGWDCA

London Gatwick

Thu 6/25

12:20 pm-9:54 pm

1 stop14h 34m

Washington, D.C. Reagan-National

Tue 6/30

5:46 pm-9:35 am

1 stop10h 49m

$711

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 7/21

1:25 pm-9:49 pm

1 stop13h 24m

Washington, D.C. Reagan-National

Thu 8/13

3:15 pm-10:40 am

1 stop14h 25m

$713

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 11/12

12:55 pm-9:55 pm

1 stop14h 00m

Washington, D.C. Reagan-National

Tue 12/1

3:30 pm-6:50 am

1 stop10h 20m

$732

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 11/16

4:40 pm-11:04 pm

1 stop11h 24m

Washington, D.C. Reagan-National

Mon 11/30

3:30 pm-7:50 am

1 stop11h 20m

$735

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 6/20

12:20 pm-9:54 pm

1 stop14h 34m

Washington, D.C. Reagan-National

Tue 6/30

1:25 pm-9:35 am

1 stop15h 10m

$738
Quickest round-trip

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 6/4

8:40 am-3:43 pm

1 stop12h 03m

Washington, D.C. Reagan-National

Sat 6/6

6:00 am-8:45 pm

1 stop9h 45m

$749

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 6/9

3:00 pm-9:59 pm

1 stop11h 59m

Washington, D.C. Reagan-National

Thu 8/6

4:59 pm-8:00 am

1 stop10h 01m

$769

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 6/24

8:40 am-5:46 pm

1 stop14h 06m

Washington, D.C. Reagan-National

Tue 6/30

2:20 pm-6:30 am

1 stop11h 10m

$776

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 7/27

9:15 am-4:13 pm

1 stop11h 58m

Washington, D.C. Reagan-National

Thu 8/27

4:59 pm-8:00 am

1 stop10h 01m

$798

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 6/1

9:15 am-4:13 pm

1 stop11h 58m

Washington, D.C. Reagan-National

Wed 6/10

5:00 pm-8:00 am

1 stop10h 00m

$801

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 60 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of $86). Flying from London to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $645). 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?

    Virgin Atlantic, Delta, and JetBlue can get you from London to Washington, D.C. Reagan-National Airport in just under 13h 24m. Your travel time can differ by up to 1h 10m. 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, August is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of $86). Flying from London to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $645). 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
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Hanover
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Reston
Hunt Valley
Woodbridge

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