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Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from £369

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Washington, D.C. Reagan-National are usually found in January or March, booked 90 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 13 June 2025.

Round-trip from

£485

One-way from

£369

Popular in

July

Cheapest in

January

Average price

£647
American Airlines
  • American Airlines
  • 22/8-8/10
  • 2 total stops
  • 24h 07m total
  • London to Washington, D.C.
16/6
  • 16/6
  • 2 total stops
  • 32h 53m total
  • London to Washington, D.C.
Highest demand for flights based on searches. 17% potential increase in price (£99 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 June 2025

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 13 June 2025.

Fri 22/811:00LHR - DCA
1 stop12h 38mAmerican Airlines
Wed 8/1015:21DCA - LHR
1 stop11h 29mAmerican Airlines
Deal found 10/6£485
Fri 31/1006:30LHR - DCA
2 stops15h 37mMultiple Airlines
Mon 3/1112:55DCA - LHR
2 stops13h 15mMultiple Airlines
Deal found 12/6£488
Wed 10/918:15LHR - DCA
1 stop18h 49mVirgin Atlantic
Wed 1/1011:00DCA - LHR
1 stop14h 25mVirgin Atlantic
Deal found 11/6£489
Wed 17/908:55LHR - DCA
1 stop15h 07mIberia
Mon 22/915:35DCA - LHR
1 stop13h 05mIberia
Deal found 10/6£492
Sat 13/914:05LHR - DCA
1 stop12h 46mAir Canada
Sat 27/906:00DCA - LHR
1 stop22h 35mAir Canada
Deal found 12/6£494
Tue 21/1008:25LHR - DCA
1 stop12h 31mJetBlue
Wed 29/1006:59DCA - LHR
1 stop9h 46mJetBlue
Deal found 12/6£496
Mon 23/608:25LHR - DCA
1 stop30h 21mIcelandair
Mon 4/815:45DCA - LHR
1 stop9h 45mIcelandair
Deal found 12/6£524
Sat 23/816:50LHR - DCA
1 stop11h 51mDelta
Sat 29/1106:05DCA - LHR
1 stop9h 05mDelta
Deal found 10/6£531
Mon 23/613:05LHR - DCA
1 stop12h 41mAir France
Mon 30/616:56DCA - LHR
1 stop10h 54mAir France
Deal found 12/6£539
Thu 19/611:00LHR - DCA
1 stop12h 22mBritish Airways
Thu 26/616:40DCA - LHR
1 stop10h 25mBritish Airways
Deal found 12/6£548

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 13 June 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 22/8

11:00-18:38

1 stop12h 38m

Washington, D.C. Reagan-National

Wed 8/10

15:21-07:50

1 stop11h 29m

£485

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 31/10

06:30-18:07

2 stops15h 37m

Washington, D.C. Reagan-National

Mon 3/11

12:55-07:10

2 stops13h 15m

£488

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 10/9

18:15-08:04

1 stop18h 49m

Washington, D.C. Reagan-National

Wed 1/10

11:00-06:25

1 stop14h 25m

£489

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 17/9

08:55-19:02

1 stop15h 07m

Washington, D.C. Reagan-National

Mon 22/9

15:35-09:40

1 stop13h 05m

£492

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 13/9

14:05-21:51

1 stop12h 46m

Washington, D.C. Reagan-National

Sat 27/9

06:00-09:35

1 stop22h 35m

£494

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 21/10

08:25-15:56

1 stop12h 31m

Washington, D.C. Reagan-National

Wed 29/10

06:59-20:45

1 stop9h 46m

£496

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 23/6

08:25-09:46

1 stop30h 21m

Washington, D.C. Reagan-National

Mon 4/8

15:45-06:30

1 stop9h 45m

£524

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 23/8

16:50-23:41

1 stop11h 51m

Washington, D.C. Reagan-National

Fri 28/11

17:00-08:20

1 stop10h 20m

£531

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 23/6

13:05-20:46

1 stop12h 41m

Washington, D.C. Reagan-National

Mon 30/6

16:56-08:50

1 stop10h 54m

£539

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 8/7

19:05-19:55

2 stops29h 50m

Washington, D.C. Reagan-National

Mon 14/7

19:06-09:40

1 stop9h 34m

£578

Flights are sorted by cheapest return flights first.

Deals found on 10/6

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 9 June 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 90 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 13 June 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 13 June 2025.
See what other customers who have flown with Delta, Finnair and Air France 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.

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 American Airlines is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at £485. Additional return tickets that might be worth considering are offered by Virgin Atlantic and Iberia, with the lowest prices starting at £489 and £492, respectively. Users have found that American Airlines is 24% 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 £439 on Finnair. Other airlines that offer cheap prices include Scandinavian Airlines from £492 and British Airways from £500 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
Hanover
Oxon Hill
College Park
Laurel
Tysons

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Top 9 airlines flying from Heathrow to Reagan-National

Discover the top 9 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£273Average£558FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£373Average£523FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£375Average£592FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£474Average£626FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£482Average£630FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£485Average£647FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£496Average£655FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£513Average£668FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£545Average£689FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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 Heathrow to Reagan-National?

Cheapflights makes it easy to find Heathrow to Reagan-National flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Reagan-National from Heathrow.

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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