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Cheap flights from London to Washington, D.C. Reagan-National Airport from £336

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from London to Washington, D.C. Reagan-National are usually found in February or January, booked 63 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap 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 25 March 2025.

Round-trip from

£434

One-way from

£336

Popular in

July

Cheapest in

February

Average price

£545
Lufthansa
  • Lufthansa
  • 24/5-31/5
  • 2 total stops
  • 38h 01m total
  • London to Washington, D.C.
24/4
  • 24/4
  • 1 total stop
  • 14h 48m total
  • London to Washington, D.C.
Highest demand for flights based on searches. 15% potential increase in price (£85 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in March 2025

Find 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 25 March 2025.

Sat 24/512:40LHR - DCA
1 stop28h 21mLufthansa
Sat 31/506:00DCA - LHR
1 stop9h 40mLufthansa
Deal found 24/3£434
Wed 30/408:25LHR - DCA
1 stop13h 30mIcelandair
Tue 6/510:10DCA - LHR
1 stop15h 20mIcelandair
Deal found 24/3£437
Wed 7/508:25LHR - DCA
1 stop13h 30mJetBlue
Wed 14/506:09DCA - LHR
1 stop9h 36mJetBlue
Deal found 24/3£445
Thu 19/612:10LGW - DCA
1 stop11h 49mJetBlue
Tue 24/615:00DCA - LGW
1 stop13h 35mJetBlue
Deal found 25/3£466
Wed 11/608:40LHR - DCA
2 stops30h 39mAir Canada
Wed 18/606:00DCA - LHR
3 stops21h 35mAir Canada
Deal found 25/3£481
Fri 23/512:10LGW - DCA
2 stops39h 48mIcelandair
Tue 27/515:15DCA - LGW
1 stop13h 20mIcelandair
Deal found 25/3£505
Thu 24/410:30LHR - DCA
2 stops15h 38mMultiple Airlines
Wed 30/412:55DCA - LHR
2 stops12h 35mMultiple Airlines
Deal found 24/3£513
Thu 24/413:05LGW - DCA
1 stop14h 45mNorse Atlantic UK
Wed 30/411:00DCA - LGW
1 stop14h 20mNorse Atlantic UK
Deal found 25/3£524
Tue 20/507:00LGW - DCA
2 stops19h 53mMultiple Airlines
Tue 3/609:40DCA - LGW
2 stops20h 30mMultiple Airlines
Deal found 25/3£528
Thu 19/612:00LHR - DCA
1 stop12h 40mUnited Airlines
Tue 24/614:00DCA - LHR
1 stop11h 20mUnited Airlines
Deal found 25/3£530
Mon 28/415:05LGW - DCA
1 stop12h 24mAmerican Airlines
Wed 7/517:49DCA - LGW
1 stop9h 21mAmerican Airlines
Deal found 24/3£534
Sat 26/406:30LHR - DCA
2 stops15h 50mDelta
Wed 7/508:59DCA - LHR
1 stop16h 46mDelta
Deal found 24/3£544

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 25 March 2025.
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

Sat 24/5

12:40-12:01

1 stop28h 21m

Washington, D.C. Reagan-National

Sat 31/5

06:00-20:40

1 stop9h 40m

£434

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 30/4

08:25-16:55

1 stop13h 30m

Washington, D.C. Reagan-National

Tue 6/5

10:10-06:30

1 stop15h 20m

£437

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 7/5

08:25-16:55

1 stop13h 30m

Washington, D.C. Reagan-National

Wed 14/5

06:09-20:45

1 stop9h 36m

£445

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 19/6

12:10-18:59

1 stop11h 49m

Washington, D.C. Reagan-National

Tue 24/6

15:00-09:35

1 stop13h 35m

£466

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 11/6

08:40-10:19

2 stops30h 39m

Washington, D.C. Reagan-National

Wed 18/6

06:00-08:35

3 stops21h 35m

£481

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 23/5

12:10-22:58

2 stops39h 48m

Washington, D.C. Reagan-National

Tue 27/5

15:15-09:35

1 stop13h 20m

£505

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 24/4

10:30-21:08

2 stops15h 38m

Washington, D.C. Reagan-National

Wed 30/4

12:55-06:30

2 stops12h 35m

£513

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 24/4

13:05-22:50

1 stop14h 45m

Washington, D.C. Reagan-National

Wed 30/4

11:00-06:20

1 stop14h 20m

£524

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 20/5

07:00-21:53

2 stops19h 53m

Washington, D.C. Reagan-National

Tue 3/6

09:40-11:10

2 stops20h 30m

£528

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 19/6

13:00-21:38

1 stop13h 38m

Washington, D.C. Reagan-National

Wed 25/6

14:00-06:20

1 stop11h 20m

£530

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 54 results
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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 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

How far ahead should I book a flight from London to Washington, D.C. Reagan-National Airport?

Use this chart to determine the optimal time to book a return flight from London to Reagan-National. Price data was last updated on 21 March 2025.

The price you pay for your flight from London to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 £625). Flying from London to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £934). 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.

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

Find hourly flight availability from London to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

It’s optimal to fly from London to Washington, D.C. Reagan-National Airport in the morning. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the evening.

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 66.0 mm.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 25 March 2025.
Read reviews from past customers who have flown Delta, Finnair and Air France from London to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

    Lufthansa, at £434, was found to be the cheapest airline from London to Washington, D.C. Reagan-National Airport.Alternate airlines flying return to your destination include Icelandair and JetBlue. Lufthansa is 26% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London to Washington, D.C. Reagan-National Airport one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £384. However, be on the lookout for offers from Icelandair and JetBlue, as they are both options that can get you from London to Washington, D.C. Reagan-National Airport for a low price.

  • 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?

    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 £625). Flying from London to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £934). 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

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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.

Top 10 airlines flying from London to Reagan-National

Discover the top 10 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£287Average£587FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£378Average£556FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£381Average£641FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapest£396Average£590FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£478Average£600FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£498Average£663FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£505Average£726FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£510Average£680FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£529Average£730FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£578Average£761FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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

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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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