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Cheap flights from London to Washington, D.C. Reagan-National Airport from £373

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
6 Apr — 13 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Reagan-National

Enter your travel dates to find the best prices.

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 7 March 2026.

Sat 2/509:30
LHR
-
DCA
1 stop11h 09m
Air Canada
Sat 16/518:55
DCA
-
LHR
1 stop9h 40m
Air Canada
Deal found 3/3£400
Thu 12/313:25
LHR
-
DCA
1 stop12h 31m
Air Canada
Wed 18/312:55
DCA
-
LHR
2 stops13h 35m
Air Canada
Deal found 3/3£400
Wed 15/410:30
LHR
-
DCA
1 stop11h 15m
British Airways
Wed 22/417:31
DCA
-
LHR
1 stop9h 59m
British Airways
Deal found 4/3£401
Tue 21/408:45
LHR
-
DCA
2 stops18h 10m
Air Canada
Tue 28/412:55
DCA
-
LHR
2 stops27h 05m
Air Canada
Deal found 7/3£402
Wed 13/514:30
LGW
-
DCA
1 stop35h 29m
British Airways
Sat 16/515:10
DCA
-
LGW
1 stop34h 40m
British Airways
Deal found 4/3£403
Wed 15/408:40
LHR
-
DCA
2 stops18h 15m
Air Canada
Wed 29/420:40
DCA
-
LHR
1 stop31h 55m
Air Canada
Deal found 4/3£403
Thu 12/309:10
LHR
-
DCA
1 stop12h 23m
United Airlines
Sun 15/320:10
DCA
-
LHR
1 stop10h 15m
United Airlines
Deal found 3/3£405
Sat 18/410:30
LHR
-
DCA
1 stop11h 15m
British Airways
Sat 25/406:00
DCA
-
LHR
1 stop10h 40m
British Airways
Deal found 4/3£406
Wed 15/409:30
LHR
-
DCA
1 stop11h 00m
United Airlines
Wed 6/506:00
DCA
-
LHR
1 stop9h 40m
United Airlines
Deal found 3/3£406
Sat 2/509:30
LHR
-
DCA
1 stop11h 09m
United Airlines
Wed 6/509:40
DCA
-
LHR
1 stop15h 50m
United Airlines
Deal found 5/3£407
Wed 29/413:10
LHR
-
DCA
1 stop14h 49m
British Airways
Thu 7/506:00
DCA
-
LHR
1 stop10h 40m
British Airways
Deal found 3/3£408
Thu 16/410:30
LHR
-
DCA
1 stop11h 15m
British Airways
Wed 22/417:31
DCA
-
LHR
1 stop9h 59m
British Airways
Deal found 6/3£409

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 7 March 2026.

Round-trip from

£400

One-way from

£373

Popular in

June

Cheapest in

February

Average price

£562
Air Canada
  • Air Canada
  • 2/5-16/5
  • 2 total stops
  • 20h 49m total
  • London to Washington, D.C.
Search Deals
JetBlue
  • JetBlue
  • 17/3
  • 1 total stop
  • 19h 34m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 7 March 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 return flight

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 16/4

14:05-21:55

1 stop12h 50m

Washington, D.C. Reagan-National

Fri 24/4

07:00-21:35

1 stop9h 35m

£405

LondonWashington, D.C.

LCY - DCA

LCYDCA

London City

Wed 22/4

09:50-22:29

2 stops17h 39m

Washington, D.C. Reagan-National

Sun 26/4

17:40-08:35

2 stops33h 55m

£417
Fastest return journey

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 13/5

10:30-16:45

1 stop11h 15m

Washington, D.C. Reagan-National

Tue 19/5

16:43-07:10

1 stop9h 27m

£424

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 14/5

09:30-16:24

1 stop11h 54m

Washington, D.C. Reagan-National

Sun 17/5

07:00-21:35

1 stop9h 35m

£437

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 27/4

10:30-16:45

1 stop11h 15m

Washington, D.C. Reagan-National

Wed 6/5

16:43-07:10

1 stop9h 27m

£449

LondonWashington, D.C.

LCY - DCA

LCYDCA

London City

Thu 19/3

08:40-20:37

2 stops15h 57m

Washington, D.C. Reagan-National

Sun 29/3

10:12-10:20

2 stops19h 08m

£452

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 15/4

10:30-16:45

1 stop11h 15m

Washington, D.C. Reagan-National

Wed 29/4

16:43-08:00

1 stop10h 17m

£452

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 16/4

16:10-22:29

2 stops35h 19m

Washington, D.C. Reagan-National

Wed 22/4

17:31-20:40

2 stops22h 09m

£464

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 25/8

12:30-18:59

1 stop11h 29m

Washington, D.C. Reagan-National

Wed 2/9

17:30-08:00

1 stop9h 30m

£484

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 2/9

14:30-21:23

1 stop11h 53m

Washington, D.C. Reagan-National

Wed 23/9

15:36-06:25

1 stop9h 49m

£491

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 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 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 £375). Flying from London to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of £549). 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 for a return flight from London to Washington, D.C. Reagan-National Airport?

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

Share of one-stop return flights from London to Washington, D.C. Reagan-National Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

New York (JFK) – chosen by Cheapflights users on 44% of one-stop itineraries from London to Washington, D.C. Reagan-National Airport on Cheapflights.

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

Average return fare for one-stop flights from London to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £403.

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

Shortest average travel time for one-stop one-way flights from London to Washington, D.C. Reagan-National Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for one-stop routes: 10h 58m.

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

Average stopover duration for one-stop one-way flights from London to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average stopover time of 1h 28m.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated 7 March 2026.
Check out reviews from past customers who have flown with JetBlue, American Airlines, andIcelandair from London to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,898 reviews
Check prices

Food

6.6

Overall

7.2

Crew

8.0

Boarding

7.4

Comfort

7.5

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.
JetBlue
7.2
Good
2,898 reviews
JetBlue
7.2
Good
2,898 reviews
Check prices

Food

6.6

Overall

7.2

Crew

8.0

Boarding

7.4

Comfort

7.5

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.
American Airlines
7.1
Good
11,398 reviews
JetBlue
7.2
Good
2,898 reviews
Check prices

Food

6.6

Overall

7.2

Crew

8.0

Boarding

7.4

Comfort

7.5

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.
Icelandair
7.1
Good
617 reviews
JetBlue
7.2
Good
2,898 reviews
Check prices

Food

6.6

Overall

7.2

Crew

8.0

Boarding

7.4

Comfort

7.5

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.
Lufthansa
6.8
Okay
7,835 reviews
JetBlue
7.2
Good
2,898 reviews
Check prices

Food

6.6

Overall

7.2

Crew

8.0

Boarding

7.4

Comfort

7.5

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.
British Airways
6.7
Okay
7,779 reviews
JetBlue
7.2
Good
2,898 reviews
Check prices

Food

6.6

Overall

7.2

Crew

8.0

Boarding

7.4

Comfort

7.5

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.

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?

    Airlines like United Airlines, British Airways, and Air Canada fly from London to Washington, D.C. Reagan-National Airport in about 12h 50m. The time it takes to get you to your destination can typically vary by up to 4h 49m. Airlines will cover a distance of 3652 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Washington, D.C. Reagan-National Airport round-trip?

    United Airlines, at £331, was found to be the cheapest airline from London to Washington, D.C. Reagan-National Airport.Alternate airlines flying return to your destination include Air Canada and JetBlue. United Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The most popular route from London to Washington, D.C. Reagan-National Airport is London Heathrow - Washington, D.C. Reagan-National. You may also consider London Gatwick - Washington, D.C. Reagan-National or 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 holiday 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 £375). Flying from London to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of £549). 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

Travelling 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
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
Alexandria
College Park

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Heathrow to Baltimore flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
Stansted to Dulles Intl flights
London City to Dulles Intl flights
Gatwick to Baltimore flights
Gatwick to Reagan-National flights
Luton to Dulles Intl flights
Manchester to Dulles Intl flights
Manchester to Baltimore flights
Edinburgh to Dulles Intl flights
Manchester to Reagan-National flights
Birmingham to Dulles Intl flights
Luton to Baltimore flights
Stansted to Baltimore flights
Birmingham to Baltimore flights
London City to Baltimore flights
Birmingham to Reagan-National flights
Edinburgh to Reagan-National flights
Edinburgh to Baltimore flights
Newcastle upon Tyne to Dulles Intl flights
Leeds to Dulles Intl flights
London City to Reagan-National flights
Southend to Dulles Intl flights
Newcastle upon Tyne to Reagan-National flights
Southampton to Dulles Intl flights
Southampton to Baltimore flights
Leeds to Baltimore flights
Liverpool to Baltimore flights
Bristol to Baltimore flights
Newcastle upon Tyne to Baltimore flights
Southampton to Reagan-National flights
Leeds to Reagan-National flights
Newquay to Baltimore flights
Bristol to Dulles Intl flights
Grimsby to Baltimore flights
Exeter to Dulles Intl flights
Doncaster to Dulles Intl flights
Doncaster to Baltimore flights
Norwich to Dulles Intl flights
Norwich to Reagan-National flights
Norwich to Baltimore flights
East Midlands to Baltimore flights
Grimsby to Reagan-National flights
Grimsby to Dulles Intl flights
Bristol to Reagan-National flights

Top 6 airlines flying from London to Reagan-National

Discover the top 6 airlines that operate flights from London to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£331Average£533FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£399Average£615FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£414Average£617FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£430Average£609FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£436Average£554FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£526Average£588FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for London to Reagan-National flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Reagan-National for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Reagan-National flexibly with Cheapflights today.

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

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

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