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$322+ Cheap flights from Reagan-National (DCA) to Heathrow (LHR)

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LHR
Aug 19 — Aug 261
Wed 8/19
Wed 8/26
1 adult, Economy
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Cheap flight deals from Reagan-National to Heathrow

Cheapest flights from Reagan-National to Heathrow
Explore the most affordable flight options available from Reagan-National to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.

This deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:25 am
DCA
-
LHR
1 stop9h 20m
JetBlue
Tue 11/1712:20 pm
LHR
-
DCA
1 stop15h 28m
JetBlue
Deal found 7/18$688
This Air Canada deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:40 pm
DCA
-
LHR
2 stops52h 20m
Air Canada
Mon 10/265:50 pm
LHR
-
DCA
2 stops32h 09m
Air Canada
Deal found 7/15$725
This Flysmarter deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:49 am
DCA
-
LHR
1 stop16h 41m
JetBlue
Mon 9/78:15 am
LHR
-
DCA
1 stop19h 44m
JetBlue
Deal found 7/17$777
This Scandinavian Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:00 am
DCA
-
LHR
2 stops26h 50m
Scandinavian Airlines
Mon 8/2410:20 am
LHR
-
DCA
2 stops17h 39m
Scandinavian Airlines
Deal found 7/15$787
This Expedia deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:59 pm
DCA
-
LHR
1 stop29h 31m
JetBlue
Mon 9/78:40 am
LHR
-
DCA
1 stop30h 30m
JetBlue
Deal found 7/17$791
This Orbitz deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:25 pm
DCA
-
LHR
1 stop11h 05m
JetBlue
Tue 9/88:40 am
LHR
-
DCA
1 stop14h 16m
JetBlue
Deal found 7/15$793
This Orbitz deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:25 pm
DCA
-
LHR
1 stop11h 05m
JetBlue
Sat 9/58:40 am
LHR
-
DCA
1 stop15h 27m
JetBlue
Deal found 7/17$795
This Orbitz deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:10 am
DCA
-
LHR
1 stop9h 35m
JetBlue
Mon 9/78:15 am
LHR
-
DCA
1 stop19h 44m
JetBlue
Deal found 7/20$797
This Priceline deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:55 pm
DCA
-
LHR
1 stop12h 35m
Multiple Airlines
Mon 11/169:20 am
LHR
-
DCA
1 stop12h 00m
Multiple Airlines
Deal found 7/16$798
This Orbitz deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:00 pm
DCA
-
LHR
1 stop10h 10m
Multiple Airlines
Mon 11/97:25 am
LHR
-
DCA
1 stop20h 23m
Multiple Airlines
Deal found 7/18$799
This Travelocity deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:00 pm
DCA
-
LHR
1 stop10h 10m
Multiple Airlines
Sat 11/710:35 am
LHR
-
DCA
1 stop11h 16m
Multiple Airlines
Deal found 7/15$800
This Priceline deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:00 pm
DCA
-
LHR
1 stop11h 10m
Multiple Airlines
Wed 11/47:25 am
LHR
-
DCA
1 stop20h 23m
Multiple Airlines
Deal found 7/15$801

Find flight deals from Reagan-National to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Heathrow (LHR). 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 July 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$688

One-way from

$322
(oojo)

Popular in

June

Cheapest in

November

Average price

$1,042
Provider with most accurate pricing for Washington, D.C. Reagan-National-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-London Heathrow flights.
Search Deals
From Washington, D.C. Reagan-National to London Heathrow
Search Deals
One-way flight from Washington, D.C. Reagan-National to London Heathrow
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Heathrow 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 2,558,603 searches. Data last updated July 20, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 9/9

11:10 am-9:35 am

2 stops17h 25m

London Heathrow

Wed 9/23

7:05 am-10:59 pm

2 stops20h 54m

$846

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 10/12

12:40 pm-6:30 am

1 stop12h 50m

London Heathrow

Tue 10/20

9:30 am-3:40 pm

1 stop11h 10m

$883

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 8/24

6:10 am-8:45 pm

1 stop9h 35m

London Heathrow

Sat 8/29

11:55 am-10:59 pm

1 stop16h 04m

$894

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Thu 9/24

6:30 am-8:45 pm

1 stop9h 15m

London Heathrow

Fri 10/9

11:55 am-10:59 pm

1 stop16h 04m

$894

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 9/6

9:00 am-6:30 am

1 stop16h 30m

London Heathrow

Sat 9/12

8:40 am-7:20 pm

1 stop15h 40m

$896

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Thu 9/3

6:10 am-8:45 pm

1 stop9h 35m

London Heathrow

Wed 9/9

8:40 am-7:20 pm

1 stop15h 40m

$896
Quickest round-trip

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Fri 9/4

6:10 am-8:45 pm

1 stop9h 35m

London Heathrow

Wed 9/9

8:40 am-4:17 pm

1 stop12h 37m

$896

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Fri 10/2

6:00 am-10:00 am

1 stop23h 00m

London Heathrow

Wed 10/14

8:40 am-9:50 pm

2 stops18h 10m

$909

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 8/18

6:10 am-8:45 pm

1 stop9h 35m

London Heathrow

Mon 8/24

8:40 am-6:01 pm

1 stop14h 21m

$912

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 8/3

6:20 am-8:45 pm

1 stop9h 25m

London Heathrow

Sun 8/16

11:55 am-10:59 pm

1 stop16h 04m

$970

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 21 resultsSorted by cheapest first
1
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3

Compare providers for flights from Reagan-National to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Heathrow in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
BusinessClassPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Reagan-National with our price prediction graph.
Estimated round-trip 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 Washington, D.C. Reagan-National Airport to London Heathrow Airport

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport (average of $644). Flying from Washington, D.C. Reagan-National Airport to London Heathrow Airport in June is currently the most expensive (average of $1,457). 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 to fly round-trip from Washington, D.C. Reagan-National Airport to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated July 20, 2026.
Read reviews from past customers who have flown Virgin Atlantic,United Airlines, andAmerican Airlines from Washington, D.C. Reagan-National Airport to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
693 reviews

Boarding

7.7

Crew

8.1

Overall

7.5

Comfort

7.3

Food

6.9

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Virgin Atlantic
7.5
Good
693 reviews
Virgin Atlantic
7.5
Good
693 reviews

Boarding

7.7

Crew

8.1

Overall

7.5

Comfort

7.3

Food

6.9

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
United Airlines
7.4
Good
10,013 reviews
Virgin Atlantic
7.5
Good
693 reviews

Boarding

7.7

Crew

8.1

Overall

7.5

Comfort

7.3

Food

6.9

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
American Airlines
7.1
Good
11,832 reviews
Virgin Atlantic
7.5
Good
693 reviews

Boarding

7.7

Crew

8.1

Overall

7.5

Comfort

7.3

Food

6.9

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
JetBlue
7.1
Good
3,018 reviews
Virgin Atlantic
7.5
Good
693 reviews

Boarding

7.7

Crew

8.1

Overall

7.5

Comfort

7.3

Food

6.9

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
British Airways
6.7
Okay
8,125 reviews
Virgin Atlantic
7.5
Good
693 reviews

Boarding

7.7

Crew

8.1

Overall

7.5

Comfort

7.3

Food

6.9

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!

Related info for your journey

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

    For as low as $894, Scandinavian Airlines can have you in London Heathrow Airport from Washington, D.C. Reagan-National Airport in 9h 35m. The distance from Washington, D.C. Reagan-National Airport to London Heathrow Airport is about 3652 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, American Airlines ($497), Virgin Atlantic ($497), and British Airways ($529) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to London Heathrow Airport. American Airlines is currently priced 47% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport (average of $644). Flying from Washington, D.C. Reagan-National Airport to London Heathrow Airport in June is currently the most expensive (average of $1,457). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Northampton
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Reagan-National to Heathrow

Discover the top 7 airlines that operate flights from Reagan-National to Heathrow. 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 2,558,603 searches. Data last updated July 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$497Average$835FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$497Average$736FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$529Average$888FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$577Average$887FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$598Average$928FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$639Average$775FlexibilityNo cancel feeOn-time62%
DeltaCheapest$668Average$1,023FlexibilityNo cancel feeOn-timeN/A

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