DCA - LHR

£231 Find Cheap Flights from Reagan Washington National Airport to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Reagan-National to Heathrow departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to London, as well as popular online travel agencies
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Cheap Flights from Reagan-National to Heathrow (DCA-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Reagan-National to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Reagan-National to Heathrow

Mon, 11 Aug - Tue, 19 Aug
British Airways Logo
06:30 - 21:40DCA-LHR
10h 10m1 stop
British Airways Logo
17:00 - 23:18LHR-DCA
11h 18m1 stop
£391British Airways
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Wed, 16 Jul - Thu, 24 Jul
Lufthansa Logo
06:00 - 20:40DCA-LHR
9h 40m1 stop
Lufthansa Logo
08:00 - 14:22LHR-DCA
11h 22m1 stop
£401Lufthansa
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Tue, 16 Sep - Tue, 23 Sep
Logo
11:00 - 06:30DCA-LHR
14h 30m2 stops
Logo
06:50 - 15:51LHR-DCA
14h 01m2 stops
£416
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Sun, 16 Nov - Fri, 28 Nov
Logo
09:40 - 07:10DCA-LHR
16h 30m2 stops
Logo
06:50 - 15:19LHR-DCA
13h 29m2 stops
£417
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Tue, 8 Jul - Tue, 22 Jul
Iberia Logo
14:54 - 06:20DCA-LHR
10h 26m1 stop
Iberia Logo
10:50 - 23:11LHR-DCA
17h 21m2 stops
£424Iberia
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Sun, 13 Jul - Tue, 22 Jul
United Airlines Logo
19:00 - 10:10DCA-LHR
10h 10m1 stop
United Airlines Logo
08:00 - 14:22LHR-DCA
11h 22m1 stop
£425United Airlines
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Sat, 12 Jul - Tue, 22 Jul
Iberia Logo
14:54 - 21:40DCA-LHR
25h 46m1 stop
Iberia Logo
11:30 - 23:11LHR-DCA
16h 41m2 stops
£428Iberia
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Mon, 14 Jul - Tue, 22 Jul
KLM Logo
14:55 - 06:45DCA-LHR
10h 50m1 stop
KLM Logo
11:45 - 18:59LHR-DCA
12h 14m1 stop
£433KLM
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Sun, 13 Jul - Tue, 22 Jul
United Airlines Logo
15:30 - 06:45DCA-LHR
10h 15m1 stop
United Airlines Logo
08:00 - 14:22LHR-DCA
11h 22m1 stop
£434United Airlines
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Fri, 18 Jul - Tue, 22 Jul
KLM Logo
14:55 - 06:45DCA-LHR
10h 50m1 stop
KLM Logo
11:45 - 18:59LHR-DCA
12h 14m1 stop
£484KLM
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KAYAK's insights & trends for Reagan-National to Heathrow flights

Get data-powered insights and trends into flights from Reagan-National to Heathrow to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport is October, where tickets cost £456 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is £780 and £723 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

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Good to know - Cheap tickets from Reagan Washington National Airport to London Heathrow Airport

Low seasonFebruary
High seasonApril
Cheapest flight£231
Best time to beat the crowds (7% less expensive on average)
Most popular time to fly and prices are also 7% lower on average.
Flight from Reagan Washington National Airport to London Heathrow Airport

When to book flights from Reagan-National to Heathrow

Are your dates flexible? Find out the best times to travel from Reagan-National to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Reagan Washington National Airport to London Heathrow Airport flights

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

    In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport was £314 for a one-way ticket and £531 for a return.

  • Which airports will I be using when flying from Reagan Washington National Airport to London Heathrow Airport?

    Reagan Washington National Airport and London Heathrow Airport are both served by 1 main airport. You will leave Reagan Washington National Airport from Washington, D.C. Reagan-National and will be arriving at London Heathrow.

  • Which aircraft models fly most regularly from Reagan Washington National Airport to London Heathrow Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Reagan Washington National Airport to London Heathrow Airport?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Reagan Washington National Airport and London Heathrow Airport, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Reagan Washington National Airport to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Reagan Washington National Airport to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Reagan Washington National Airport to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Reagan Washington National Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Reagan Washington National Airport to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Reagan Washington National Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Reagan Washington National Airport to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Reagan Washington National Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Reagan-National to Heathrow

Information on your arrival and departure airports

Reagan Washington National Airport (DCA)
Heathrow (LHR)

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