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Cheap flights from London to Washington, D.C. Reagan-National Airport from £300

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
25 Feb — 4 Mar1
1 adult

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 20 February 2025.

Round-trip from

£445

One-way from

£300

Popular in

July

Cheapest in

February

Average price

£482
JetBlue
  • JetBlue
  • 19/3-25/3
  • 2 total stops
  • 28h 31m total
  • London to Washington, D.C.
11/3
  • 11/3
  • 2 total stops
  • 28h 03m total
  • London to Washington, D.C.
Highest demand for flights based on searches. 14% potential increase in price (£82 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in February 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 20 February 2025.

Mon 8/912:10LGW - DCA
1 stop12h 42mJetBlue
Tue 7/1012:30DCA - LGW
1 stop16h 05mJetBlue
Deal found 19/2£416
Wed 19/308:25LHR - DCA
1 stop12h 05mJetBlue
Tue 25/309:29DCA - LHR
1 stop16h 26mJetBlue
Deal found 19/2£445
Sat 15/311:10LHR - DCA
1 stop25h 47mLufthansa
Fri 21/307:00DCA - LHR
1 stop9h 35mLufthansa
Deal found 19/2£448
Thu 17/411:00LHR - DCA
1 stop14h 38mFinnair
Mon 28/414:55DCA - LHR
1 stop14h 20mFinnair
Deal found 19/2£505
Sun 9/306:30LHR - DCA
2 stops15h 37mUnited Airlines
Sun 6/415:30DCA - LHR
1 stop11h 50mUnited Airlines
Deal found 19/2£524
Mon 24/315:00LHR - DCA
1 stop23h 29mAir Canada
Tue 1/416:10DCA - LHR
1 stop9h 20mAir Canada
Deal found 19/2£530
Fri 7/308:40LHR - DCA
1 stop12h 49mAmerican Airlines
Thu 27/315:55DCA - LHR
1 stop11h 55mAmerican Airlines
Deal found 19/2£533
Tue 6/509:30LHR - DCA
2 stops15h 23mMultiple Airlines
Tue 13/509:40DCA - LHR
1 stop15h 50mMultiple Airlines
Deal found 19/2£536
Wed 30/415:05LGW - DCA
1 stop12h 24mAmerican Airlines
Tue 6/517:49DCA - LGW
1 stop9h 21mAmerican Airlines
Deal found 20/2£544
Wed 30/415:05LGW - DCA
1 stop12h 24mMultiple Airlines
Tue 6/517:49DCA - LGW
1 stop9h 21mMultiple Airlines
Deal found 19/2£552
Wed 5/311:55LGW - DCA
2 stops33h 35mIcelandair
Tue 11/315:50DCA - LGW
2 stops15h 05mIcelandair
Deal found 19/2£576
Tue 11/320:40LHR - DCA
2 stops22h 24mIcelandair
Tue 18/317:15DCA - LHR
2 stops13h 35mIcelandair
Deal found 18/2£578

Find flights from London to Reagan-National within your budget

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 20 February 2025.

Fly from

London

Fly to

Reagan-National

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 19/3

08:25-16:30

1 stop12h 05m

Washington, D.C. Reagan-National

Tue 25/3

09:29-05:55

1 stop16h 26m

£445

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 15/3

11:10-08:57

1 stop25h 47m

Washington, D.C. Reagan-National

Fri 21/3

07:00-20:35

1 stop9h 35m

£448

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 3/6

12:10-18:53

1 stop11h 43m

Washington, D.C. Reagan-National

Tue 15/7

18:45-09:35

1 stop9h 50m

£455

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 17/4

11:00-20:38

1 stop14h 38m

Washington, D.C. Reagan-National

Mon 28/4

14:55-10:15

1 stop14h 20m

£505

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 9/3

06:30-17:07

2 stops15h 37m

Washington, D.C. Reagan-National

Sun 6/4

15:30-08:20

1 stop11h 50m

£524

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 24/3

15:00-10:29

1 stop23h 29m

Washington, D.C. Reagan-National

Tue 1/4

16:10-06:30

1 stop9h 20m

£530

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 7/3

08:40-16:29

1 stop12h 49m

Washington, D.C. Reagan-National

Thu 27/3

15:55-07:50

1 stop11h 55m

£533

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 6/5

09:30-19:53

2 stops15h 23m

Washington, D.C. Reagan-National

Tue 13/5

09:40-06:30

1 stop15h 50m

£536

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 30/4

15:05-22:29

1 stop12h 24m

Washington, D.C. Reagan-National

Tue 6/5

17:49-08:10

1 stop9h 21m

£544

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 30/4

15:05-22:29

1 stop12h 24m

Washington, D.C. Reagan-National

Tue 6/5

17:49-08:10

1 stop9h 21m

£552

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 47 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.

Travel insights for flights from London to Reagan-National

Get recent, data-driven insights about flights from London to Reagan-National including ideal travel times, pricing trends, and more.

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 14 February 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 20 February 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 20 February 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair 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.

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

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

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

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

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

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

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

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

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

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

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

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?

    JetBlue, at £445, was found to be the cheapest airline from London to Washington, D.C. Reagan-National Airport.Alternate airlines flying return to your destination include Lufthansa and Finnair. JetBlue 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 JetBlue, with whom users have recently found tickets for as low as £474. However, be on the lookout for offers from WestJet and Finnair, 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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£294Average£602FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£387Average£570FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£406Average£608FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£488Average£616FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£503Average£720FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£519Average£733FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£520Average£693FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£523Average£705FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£574Average£681FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest£593Average£781FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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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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