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Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from £376

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
26 Feb — 5 Mar1
1 adult

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 21 February 2025.

Round-trip from

£444

One-way from

£376

Popular in

July

Cheapest in

March

Average price

£653
JetBlue
  • JetBlue
  • 25/3-2/4
  • 2 total stops
  • 28h 10m total
  • London to Washington, D.C.
15/4
  • 15/4
  • 2 total stops
  • 19h 48m total
  • London to Washington, D.C.
Highest demand for flights based on searches. 19% potential increase in price (£129 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in February 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 21 February 2025.

Tue 25/308:25LHR - DCA
1 stop13h 19mJetBlue
Wed 2/410:39DCA - LHR
1 stop14h 51mJetBlue
Deal found 20/2£444
Sat 1/318:00LHR - DCA
1 stop30h 57mLufthansa
Tue 18/307:00DCA - LHR
1 stop9h 35mLufthansa
Deal found 20/2£452
Thu 24/420:50LHR - DCA
3 stops26h 13mMultiple Airlines
Mon 28/406:00DCA - LHR
2 stops33h 05mMultiple Airlines
Deal found 20/2£466
Fri 28/213:30LHR - DCA
1 stop12h 09mFinnair
Mon 3/314:54DCA - LHR
1 stop14h 21mFinnair
Deal found 20/2£467
Thu 27/210:35LHR - DCA
1 stop11h 40mAmerican Airlines
Wed 5/319:05DCA - LHR
1 stop9h 25mAmerican Airlines
Deal found 20/2£539
Wed 23/406:50LHR - DCA
2 stops13h 34mAir Canada
Wed 30/412:55DCA - LHR
1 stop14h 40mAir Canada
Deal found 20/2£541
Thu 27/212:55LHR - DCA
1 stop11h 20mBritish Airways
Wed 5/319:05DCA - LHR
1 stop9h 25mBritish Airways
Deal found 20/2£544
Thu 27/215:00LHR - DCA
1 stop24h 29mUnited Airlines
Wed 5/318:10DCA - LHR
1 stop10h 00mUnited Airlines
Deal found 20/2£550
Wed 5/312:15LHR - DCA
2 stops33h 15mIcelandair
Tue 11/317:15DCA - LHR
2 stops22h 15mIcelandair
Deal found 19/2£579
Sat 15/310:10LHR - DCA
1 stop11h 43mDelta
Sun 23/313:59DCA - LHR
1 stop12h 21mDelta
Deal found 20/2£580
Sat 1/306:20LHR - DCA
2 stops20h 39mAir France
Sun 9/316:25DCA - LHR
1 stop11h 30mAir France
Deal found 21/2£615
Fri 14/308:40LHR - DCA
1 stop14h 33mIberia
Sun 30/312:37DCA - LHR
1 stop12h 43mIberia
Deal found 21/2£619

Find flights from Heathrow to Reagan-National within your budget

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 21 February 2025.

Fly from

Heathrow

Fly to

Reagan-National

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 25/3

08:25-17:44

1 stop13h 19m

Washington, D.C. Reagan-National

Wed 2/4

10:39-06:30

1 stop14h 51m

£444

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 24/4

20:50-18:03

3 stops26h 13m

Washington, D.C. Reagan-National

Mon 28/4

06:00-20:05

2 stops33h 05m

£466

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 15/3

11:45-22:00

1 stop14h 15m

Washington, D.C. Reagan-National

Fri 28/3

14:54-06:15

1 stop11h 21m

£468

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 22/3

15:00-10:29

1 stop23h 29m

Washington, D.C. Reagan-National

Sat 29/3

07:00-20:35

1 stop9h 35m

£486

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 6/3

11:25-17:31

1 stop11h 06m

Washington, D.C. Reagan-National

Mon 10/3

15:55-05:55

1 stop10h 00m

£539

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 23/4

06:50-15:24

2 stops13h 34m

Washington, D.C. Reagan-National

Wed 30/4

12:55-08:35

1 stop14h 40m

£541

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 18/4

09:15-16:10

1 stop11h 55m

Washington, D.C. Reagan-National

Mon 21/4

17:30-09:05

1 stop10h 35m

£546

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 2/5

09:30-15:49

1 stop11h 19m

Washington, D.C. Reagan-National

Sat 10/5

06:00-20:40

1 stop9h 40m

£553

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 5/3

12:15-16:30

2 stops33h 15m

Washington, D.C. Reagan-National

Tue 11/3

17:15-19:30

2 stops22h 15m

£579

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 15/3

10:10-17:53

1 stop11h 43m

Washington, D.C. Reagan-National

Sun 23/3

13:59-06:20

1 stop12h 21m

£580

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 22 results
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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.

Travel insights for flights from Heathrow to Reagan-National

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

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 14 February 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 21 February 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 21 February 2025.
See what other customers who have flown with Delta, Finnair and Virgin Atlantic 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.

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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 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 £444. Additional return tickets that might be worth considering are offered by Finnair and Lufthansa, with the lowest prices starting at £468 and £486, respectively. Users have found that JetBlue is 35% 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 £490 on WestJet. Other airlines that offer cheap prices include JetBlue from £511 and Lufthansa from £594 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£294Average£601FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£387Average£569FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£406Average£577FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£487Average£615FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£502Average£719FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£518Average£731FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£519Average£692FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£522Average£703FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£573Average£679FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest£592Average£780FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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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.

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