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Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from £359

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Washington, D.C. Reagan-National are usually found in March or January, booked 41 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Heathrow to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 29 April 2025.

Round-trip from

£479

One-way from

£359

Popular in

July

Cheapest in

March

Average price

£571
JetBlue
  • JetBlue
  • 5/9-1/10
  • 2 total stops
  • 24h 44m total
  • London to Washington, D.C.
Search Deals
13/5
  • 13/5
  • 2 total stops
  • 15h 53m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£111 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Heathrow to Reagan-National

Cheapest flights from Heathrow to Reagan-National
Explore the most affordable flight options available from Heathrow to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Thu 6/1108:25LHR - DCA
1 stop12h 35mJetBlue
Mon 10/1115:10DCA - LHR
1 stop9h 45mJetBlue
Deal found 28/4£472
Wed 14/508:15LHR - DCA
1 stop19h 43mIcelandair
Sun 18/506:00DCA - LHR
1 stop22h 30mIcelandair
Deal found 28/4£484
Fri 9/509:30LHR - DCA
1 stop13h 25mUnited Airlines
Sat 10/516:16DCA - LHR
1 stop36h 24mUnited Airlines
Deal found 29/4£514
Mon 2/608:30LHR - DCA
1 stop16h 13mAir Canada
Tue 10/612:55DCA - LHR
2 stops17h 55mAir Canada
Deal found 27/4£525
Sat 14/607:30LHR - DCA
2 stops30h 23mMultiple Airlines
Wed 18/606:00DCA - LHR
2 stops19h 35mMultiple Airlines
Deal found 28/4£528
Fri 9/509:15LHR - DCA
1 stop12h 14mFinnair
Fri 16/506:35DCA - LHR
1 stop10h 05mFinnair
Deal found 29/4£563
Wed 15/1007:05LHR - DCA
2 stops20h 14mScandinavian Airlines
Sat 15/1112:00DCA - LHR
2 stops16h 20mScandinavian Airlines
Deal found 28/4£578
Sun 7/910:55LHR - DCA
1 stop12h 17mKLM
Sat 27/917:00DCA - LHR
1 stop10h 50mKLM
Deal found 28/4£585
Mon 5/509:45LHR - DCA
1 stop11h 10mBritish Airways
Sun 11/511:40DCA - LHR
1 stop15h 05mBritish Airways
Deal found 28/4£590

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow 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 29 April 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Heathrow

Fly to

Reagan-National

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 5/9

08:25-16:13

1 stop12h 48m

Washington, D.C. Reagan-National

Thu 25/9

06:30-20:45

1 stop9h 15m

£479

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 14/5

08:15-22:58

1 stop19h 43m

Washington, D.C. Reagan-National

Sun 18/5

06:00-09:30

1 stop22h 30m

£484

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 9/5

09:30-17:55

1 stop13h 25m

Washington, D.C. Reagan-National

Sat 10/5

16:16-09:40

1 stop36h 24m

£514

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 2/6

08:30-19:43

1 stop16h 13m

Washington, D.C. Reagan-National

Tue 10/6

12:55-11:50

2 stops17h 55m

£525

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 14/6

07:30-08:53

2 stops30h 23m

Washington, D.C. Reagan-National

Wed 18/6

06:00-06:35

2 stops19h 35m

£528

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 10/5

14:05-21:53

1 stop12h 48m

Washington, D.C. Reagan-National

Sat 17/5

11:15-11:50

2 stops19h 35m

£534

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 9/5

09:15-16:29

1 stop12h 14m

Washington, D.C. Reagan-National

Fri 16/5

06:35-21:40

1 stop10h 05m

£563

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 15/10

07:05-22:19

2 stops20h 14m

Washington, D.C. Reagan-National

Sat 15/11

12:00-09:20

2 stops16h 20m

£578

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 7/9

10:55-18:12

1 stop12h 17m

Washington, D.C. Reagan-National

Sat 27/9

17:00-08:50

1 stop10h 50m

£585

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 13/5

08:50-19:43

2 stops15h 53m

£359

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 19 results
1
2

Best time to book a flight from Heathrow to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Heathrow 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 Heathrow Airport to Washington, D.C. Reagan-National Airport

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Reagan-National. Price data was last updated on 25 April 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport, you should look to book at least 41 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport (average of £625). Flying from London Heathrow Airport 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 LHR to DCA?

Find hourly flight availability from Heathrow 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 29 April 2025.

When flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 11% versus a flight in the afternoon.

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 29 April 2025.
See what other customers who have flown with KLM, Finnair and United Airlines from London to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Finnair
7.6
Good
1,273 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,696 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
JetBlue
7.3
Good
2,922 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Scandinavian Airlines
7.3
Good
1,346 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow Airport to Washington, D.C. Reagan-National Airport round-trip?

    Flying on JetBlue is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at £479. Additional return tickets that might be worth considering are offered by Icelandair and United Airlines, with the lowest prices starting at £484 and £514, respectively. Users have found that JetBlue is 26% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as £498 on Icelandair. Other airlines that offer cheap prices include JetBlue from £510 and WestJet from £523 one-way.

  • Can I find deals for flights from Heathrow to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Heathrow to Reagan-National flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Reagan-National.

  • Can I find deals for business class flights from Heathrow to Reagan-National?

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport (average of £625). Flying from London Heathrow Airport 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Silver Spring
Arlington
Woodbridge
College Park
Laurel
Tysons

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Top 10 airlines flying from Heathrow to Reagan-National

Discover the top 10 airlines that operate flights from Heathrow 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£277Average£568FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£365Average£531FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£383Average£543FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£482Average£685FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£490Average£655FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£493Average£658FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£505Average£646FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£512Average£679FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£547Average£754FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£559Average£799FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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

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

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

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

Of course! You can now track prices for flights from Heathrow to Reagan-National and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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