Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from £398

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
25 Aug — 1 Sep1
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 20 August 2025.

Round-trip from

£433

One-way from

£398

Popular in

December

Cheapest in

January

Average price

£635
JetBlue
  • JetBlue
  • 7/11-13/11
  • 2 total stops
  • 31h 20m total
  • London to Washington, D.C.
10/9
  • 10/9
  • 3 total stops
  • 45h 20m total
  • London to Washington, D.C.
Highest demand for flights based on searches. 5% potential increase in price (£27 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in August 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 20 August 2025.

Fri 7/1107:25LHR - DCA
1 stop12h 25mJetBlue
Thu 13/1107:00DCA - LHR
1 stop18h 55mJetBlue
Deal found 19/8£433
Sun 21/908:15LHR - DCA
1 stop16h 05mJetBlue
Sun 28/917:30DCA - LHR
1 stop22h 15mJetBlue
Deal found 19/8£434
Thu 6/1107:25LHR - DCA
1 stop20h 33mJetBlue
Mon 10/1116:55DCA - LHR
1 stop11h 35mJetBlue
Deal found 18/8£435
Fri 31/1009:20LHR - DCA
1 stop11h 40mIcelandair
Mon 3/1116:55DCA - LHR
1 stop22h 50mIcelandair
Deal found 19/8£435
Wed 15/1008:25LHR - DCA
1 stop12h 31mJetBlue
Mon 20/1011:15DCA - LHR
1 stop14h 15mJetBlue
Deal found 18/8£436
Tue 2/908:25LHR - DCA
1 stop16h 38mJetBlue
Sat 13/906:19DCA - LHR
1 stop9h 26mJetBlue
Deal found 18/8£437
Sun 7/908:25LHR - DCA
1 stop28h 44mJetBlue
Thu 18/913:20DCA - LHR
1 stop12h 10mJetBlue
Deal found 18/8£438
Thu 6/1109:20LHR - DCA
1 stop15h 32mIcelandair
Mon 10/1106:24DCA - LHR
1 stop9h 21mIcelandair
Deal found 19/8£438
Sun 7/908:25LHR - DCA
1 stop30h 34mIcelandair
Thu 18/906:19DCA - LHR
1 stop9h 26mIcelandair
Deal found 19/8£441
Wed 5/1107:25LHR - DCA
1 stop12h 25mJetBlue
Mon 10/1116:55DCA - LHR
1 stop11h 35mJetBlue
Deal found 19/8£444
Wed 17/908:25LHR - DCA
1 stop13h 35mJetBlue
Wed 5/1115:09DCA - LHR
1 stop10h 46mJetBlue
Deal found 18/8£444

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 20 August 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 7/11

07:25-14:50

1 stop12h 25m

Washington, D.C. Reagan-National

Thu 13/11

07:00-06:55

1 stop18h 55m

£433

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 22/1

12:20-22:57

1 stop15h 37m

Washington, D.C. Reagan-National

Wed 28/1

15:30-06:55

1 stop10h 25m

£434

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 31/10

09:20-17:00

1 stop11h 40m

Washington, D.C. Reagan-National

Mon 3/11

16:55-20:45

1 stop22h 50m

£435

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 11/9

11:55-19:22

1 stop12h 27m

Washington, D.C. Reagan-National

Wed 17/9

06:19-20:45

1 stop9h 26m

£437

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 5/10

08:25-08:09

1 stop28h 44m

Washington, D.C. Reagan-National

Sun 12/10

18:55-06:30

1 stop30h 35m

£438

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 6/11

09:20-19:52

1 stop15h 32m

Washington, D.C. Reagan-National

Mon 10/11

06:24-20:45

1 stop9h 21m

£438

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 7/9

08:25-09:59

1 stop30h 34m

Washington, D.C. Reagan-National

Thu 18/9

06:19-20:45

1 stop9h 26m

£441

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 4/11

12:20-22:58

1 stop15h 38m

Washington, D.C. Reagan-National

Mon 10/11

11:45-06:55

1 stop14h 10m

£444

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 12/11

12:20-22:58

1 stop15h 38m

Washington, D.C. Reagan-National

Wed 19/11

15:09-06:55

1 stop10h 46m

£444

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 10/11

07:25-14:50

1 stop12h 25m

Washington, D.C. Reagan-National

Wed 19/11

13:45-06:55

1 stop12h 10m

£444

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 20 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.

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 8 August 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 £856). 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 20 August 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 10% versus a flight in the afternoon.

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 August 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport, such as Finnair, Virgin Atlantic, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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.
  • How long is the flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

    There are many flights that can get you from London Heathrow Airport to Washington, D.C. Reagan-National Airport in 11h 40m. Fly via JetBlue or Icelandair to get the fastest option. The distance between London Heathrow Airport and Washington, D.C. Reagan-National Airport is about 3652 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Flying on Icelandair is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at £362. Additional return tickets that might be worth considering are offered by JetBlue and Virgin Atlantic, with the lowest prices starting at £373 and £462, respectively. Users have found that Icelandair is 40% cheaper than the other options available to this destination.

  • 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 £856). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
College Park
Laurel
Tysons

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Top 8 airlines flying from Heathrow to Reagan-National

Discover the top 8 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 20 August 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£362Average£518FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£373Average£629FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Virgin AtlanticCheapest£462Average£637FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£477Average£635FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£485Average£645FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£488Average£650FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£496Average£574FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£496Average£639FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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?

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