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Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from £355

LHR — DCA
29 Sep — 6 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Reagan-National

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Reagan-National

Wed 28/1013:10 -
1 stop12h 30m
Wed 4/1114:56 -
1 stop9h 54m
Deal found 29/8£445
Wed 18/1112:55 -
1 stop11h 28m
Wed 2/1214:56 -
1 stop10h 44m
Deal found 26/8£447
Mon 28/911:30 -
2 stops16h 29m
Thu 28/117:00 -
1 stop10h 05m
Deal found 28/8£448
Thu 8/1015:15 -
1 stop13h 32m
Sun 18/1006:08 -
1 stop9h 02m
Deal found 25/8£448
Thu 8/1009:40 -
1 stop11h 39m
Sat 17/1011:05 -
1 stop14h 40m
Deal found 27/8£449
Wed 25/1111:20 -
1 stop12h 18m
Mon 30/1119:40 -
1 stop11h 00m
Deal found 25/8£450
Wed 16/916:20 -
1 stop11h 39m
Tue 22/917:05 -
1 stop14h 00m
Deal found 28/8£451
Thu 22/1020:05 -
1 stop19h 04m
Wed 6/111:00 -
1 stop15h 15m
Deal found 27/8£451
Mon 16/1109:00 -
2 stops15h 58m
Thu 19/1111:05 -
2 stops16h 25m
Deal found 26/8£452
Sat 10/1009:30 -
2 stops13h 45m
Sat 17/1016:20 -
1 stop12h 40m
Deal found 25/8£453

Find flight deals from Heathrow to Reagan-National

Round-trip from

£445

One-way from

£355

Popular in

April

Cheapest in

February

Average price

£527
British Airways
  • British Airways
  • 28/10-4/11
  • 2 total stops
  • 22h 24m total
  • London to Washington, D.C.
Search Deals
British Airways
  • British Airways
  • 18/11
  • 1 total stop
  • 13h 30m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Tue 19/1

16:30-23:59

1 stop12h 29m

Washington, D.C. Reagan-National

Fri 29/1

15:30-06:25

1 stop9h 55m

£454

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Wed 7/10

13:25-21:49

1 stop13h 24m

Washington, D.C. Reagan-National

Mon 12/10

11:05-06:45

1 stop14h 40m

£471

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Thu 1/10

06:30-16:32

2 stops15h 02m

Washington, D.C. Reagan-National

Mon 30/11

14:00-09:00

2 stops14h 00m

£472

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Thu 17/12

12:55-22:04

1 stop14h 09m

Washington, D.C. Reagan-National

Tue 5/1

17:00-08:05

1 stop10h 05m

£478

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Sun 13/12

09:40-16:20

1 stop11h 40m

Washington, D.C. Reagan-National

Thu 7/1

14:35-07:50

1 stop12h 15m

£482

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Sat 21/11

11:45-18:54

1 stop12h 09m

Washington, D.C. Reagan-National

Mon 30/11

14:58-06:15

1 stop10h 17m

£486

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Thu 15/10

15:00-22:20

1 stop12h 20m

Washington, D.C. Reagan-National

Wed 28/10

17:45-08:10

1 stop10h 25m

£496
Fastest return journey

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Sun 11/10

07:45-14:24

1 stop11h 39m

Washington, D.C. Reagan-National

Sun 6/12

07:00-21:20

1 stop9h 20m

£529

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Wed 14/10

07:45-14:24

1 stop11h 39m

Washington, D.C. Reagan-National

Fri 4/12

18:05-09:10

1 stop10h 05m

£529

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Sat 10/10

15:20-21:59

1 stop11h 39m

Washington, D.C. Reagan-National

Fri 4/12

07:00-21:20

1 stop9h 20m

£529

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 24 resultsSorted by cheapest first
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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

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport

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 £431). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of £756). 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.

How much does it cost for a return flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

Airfare is below average for this route at the moment.

London Heathrow Airport to Washington, D.C. Reagan-National Airport flights typically cost between £496 and £574 in October.
The cheapest return price found within the last 5 days was £445 on British Airways (28 Oct–4 Nov).

Reviews of airlines servicing Reagan-National

Read through reviews of airlines operating flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport, such as United Airlines,Virgin Atlantic, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,139 reviews
Check prices

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
10,139 reviews
United Airlines
7.4
Good
10,139 reviews
Check prices

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Virgin Atlantic
7.4
Good
695 reviews
United Airlines
7.4
Good
10,139 reviews
Check prices

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
12,022 reviews
United Airlines
7.4
Good
10,139 reviews
Check prices

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
JetBlue
7.1
Good
3,033 reviews
United Airlines
7.4
Good
10,139 reviews
Check prices

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
8,195 reviews
United Airlines
7.4
Good
10,139 reviews
Check prices

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

  • 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 12h 29m. Fly via British Airways, Virgin Atlantic, or Delta 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 United Airlines is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at £416. Additional return tickets that might be worth considering are offered by British Airways and Virgin Atlantic, with the lowest prices starting at £424 and £432, respectively. Users have found that United Airlines is 24% 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 £431). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of £756). 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
Alexandria
Gaithersburg
Oxon Hill
Hanover
Woodbridge
Glen Burnie
Springfield

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Heathrow to Reagan-National

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£416Average£534FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£424Average£489FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£432Average£525FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£433Average£542FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
American AirlinesCheapest£540Average£578FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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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