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$252+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LHR
Dec 28 — Jan 41
Sat 12/28
Sat 1/4
1 adult, Economy
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The best prices from Washington, D.C. Reagan-National to London Heathrow are usually found in October or April, booked 45 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap 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 December 23, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$578
(JetBlue)

One-way from

$252
(JetBlue)

Popular in

June

Cheapest in

October

Average price

$945
Provider with most accurate pricing for Washington, D.C. Reagan-National-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-London Heathrow flights.
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From Washington, D.C. Reagan-National to London Heathrow
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One-way flight from Washington, D.C. Reagan-National to London Heathrow
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High demand for flights, 16% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find 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 December 23, 2024.

This JetBlue deal was found by Cheapflights users on 12/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/289:00 amDCA - LHR
1 stop15h 55mJetBlue
Thu 1/167:25 amLHR - DCA
1 stop18h 15mJetBlue
Deal found 12/23$709
This United Airlines deal was found by Cheapflights users on 12/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/314:00 pmDCA - LHR
1 stop9h 55mUnited Airlines
Thu 1/911:10 amLHR - DCA
1 stop11h 57mUnited Airlines
Deal found 12/23$780
This oojo deal was found by Cheapflights users on 12/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:38 amDCA - LHR
1 stop10h 32mBritish Airways
Wed 1/291:10 pmLHR - DCA
1 stop11h 49mBritish Airways
Deal found 12/23$788
This Virgin Atlantic deal was found by Cheapflights users on 12/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3010:00 amDCA - LHR
1 stop15h 50mVirgin Atlantic
Wed 1/82:35 pmLHR - DCA
1 stop14h 09mVirgin Atlantic
Deal found 12/23$846
This Delta deal was found by Cheapflights users on 12/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/303:25 pmDCA - LHR
1 stop11h 30mDelta
Thu 1/910:10 amLHR - DCA
1 stop12h 50mDelta
Deal found 12/23$878
This Iberia deal was found by Cheapflights users on 12/23. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2512:13 pmDCA - LHR
1 stop13h 37mIberia
Wed 1/2211:25 amLHR - DCA
2 stops16h 16mIberia
Deal found 12/23$928
This Finnair deal was found by Cheapflights users on 12/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/235:49 pmDCA - LHR
1 stop23h 21mMultiple Airlines
Wed 1/2212:55 pmLHR - DCA
1 stop11h 19mMultiple Airlines
Deal found 12/22$954
This Air Canada deal was found by Cheapflights users on 12/23. 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.
Sun 12/298:40 pmDCA - LHR
1 stop10h 10mAir Canada
Thu 1/911:10 amLHR - DCA
1 stop11h 57mAir Canada
Deal found 12/23$956
This Finnair deal was found by Cheapflights users on 12/23. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/235:49 pmDCA - LHR
1 stop23h 21mFinnair
Sat 1/184:25 pmLHR - DCA
1 stop11h 14mFinnair
Deal found 12/23$1,004
This Scandinavian Airlines deal was found by Cheapflights users on 12/23. 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.
Wed 12/259:10 amDCA - LHR
2 stops19h 10mScandinavian Airlines
Thu 1/166:40 amLHR - DCA
2 stops20h 20mScandinavian Airlines
Deal found 12/23$1,132
This American Airlines deal was found by Cheapflights users on 12/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/242:54 pmDCA - LHR
1 stop11h 56mAmerican Airlines
Sun 12/2911:45 amLHR - DCA
1 stop12h 30mAmerican Airlines
Deal found 12/23$1,177

Find flights from Reagan-National to Heathrow within your budget

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 December 23, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 1/27

3:00 pm-5:55 am

1 stop9h 55m

London Heathrow

Fri 1/31

8:25 am-4:00 pm

1 stop12h 35m

$576

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 2/2

9:40 am-7:10 am

2 stops16h 30m

London Heathrow

Tue 2/25

6:50 am-3:29 pm

2 stops13h 39m

$620

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 1/29

9:40 am-7:10 am

2 stops16h 30m

London Heathrow

Tue 2/4

6:00 am-10:37 pm

2 stops21h 37m

$633

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 1/15

12:55 pm-6:45 am

1 stop12h 50m

London Heathrow

Tue 1/21

8:40 am-4:27 pm

1 stop12h 47m

$635

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 2/23

4:10 pm-7:10 am

1 stop10h 00m

London Heathrow

Thu 3/6

3:00 pm-9:00 pm

1 stop11h 00m

$660

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 1/12

5:49 pm-8:10 am

1 stop9h 21m

London Heathrow

Tue 1/21

10:15 am-4:55 pm

1 stop11h 40m

$669

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 2/24

11:35 am-9:20 am

2 stops16h 45m

London Heathrow

Wed 3/12

6:40 am-10:29 pm

2 stops19h 49m

$687

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sat 1/11

12:55 pm-6:50 am

1 stop12h 55m

London Heathrow

Fri 1/24

11:25 am-10:41 pm

2 stops16h 16m

$709

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 1/12

5:49 pm-8:35 am

1 stop9h 46m

London Heathrow

Sun 1/19

4:25 pm-10:41 pm

1 stop11h 16m

$714

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sat 1/11

6:09 am-8:10 pm

1 stop9h 01m

London Heathrow

Sat 1/18

10:10 am-6:00 pm

1 stop12h 50m

$774

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 26 results
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
KAYAKPrice Accuracy-Trust Score*1 star
FlightsMojoPrice Accuracy-Trust 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.

Travel insights for flights from Reagan-National to Heathrow

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

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Heathrow. Price data was last updated on December 20, 2024.

The best time to book flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $661). Flying from Washington, D.C. Reagan-National Airport to London Heathrow Airport in June is currently the most expensive (average of $1,135). 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 DCA to LHR?

Find hourly flight availability from Reagan-National to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2024.

It’s optimal to fly from Washington, D.C. Reagan-National Airport to London Heathrow Airport in the afternoon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 December 23, 2024.
Peruse reviews from past customers who have flown with Scandinavian Airlines, British Airways and American Airlines from Washington, D.C. to London to help guide your decision. 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.
Delta
8.0
Very good
8,588 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,588 reviews
Delta
8.0
Very good
8,588 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,588 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LOT
7.6
Good
1,125 reviews
Delta
8.0
Very good
8,588 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
666 reviews
Delta
8.0
Very good
8,588 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,503 reviews
Delta
8.0
Very good
8,588 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    According to our current data, JetBlue ($578), Air Canada ($622), and British Airways ($635) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to London Heathrow Airport. JetBlue is currently priced 28% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to London Heathrow Airport one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $252. Users have also found prices from $370 and $378 on Scandinavian Airlines and Air Canada, respectively.

  • 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 $661). Flying from Washington, D.C. Reagan-National Airport to London Heathrow Airport in June is currently the most expensive (average of $1,135). 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

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Top 8 airlines flying from Reagan-National to Heathrow

Discover the top 8 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 December 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$542Average$700FlexibilityNo cancel feeOn-time77%
DeltaCheapest$548Average$844FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$589Average$860FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$600Average$773FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$603Average$756FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$636Average$792FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$650Average$770FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$652Average$926FlexibilityNo cancel feeOn-time71%
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