DCA - LHR

£239 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

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 Flight Deals 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.

Recent return flight deals from Reagan-National to Heathrow

KAYAK's recommended return flight deals from the most popular airlines that fly from Reagan-National to Heathrow.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
JetBlue Logo
11:30 - 06:30DCA-LHR
14h 00m1 stop
JetBlue Logo
11:55 - 18:44LHR-DCA
11h 49m1 stop
£442JetBlue
Find Deal
Wed, 24 Sep - Thu, 9 Oct
JetBlue Logo
06:30 - 20:45DCA-LHR
9h 15m1 stop
JetBlue Logo
08:15 - 18:44LHR-DCA
15h 29m1 stop
£447JetBlue
Find Deal
Mon, 22 Sep - Wed, 8 Oct
Icelandair Logo
13:45 - 06:30DCA-LHR
11h 45m1 stop
Icelandair Logo
08:25 - 20:00LHR-DCA
16h 35m1 stop
£475Icelandair
Find Deal
Mon, 5 May - Thu, 8 May
Air Canada Logo
09:40 - 06:30DCA-LHR
15h 50m1 stop
Air Canada Logo
09:30 - 15:49LHR-DCA
11h 19m1 stop
£480Air Canada
Find Deal
Sun, 11 May - Tue, 20 May
 Logo
12:55 - 06:30DCA-LHR
12h 35m2 stops
 Logo
09:30 - 19:44LHR-DCA
15h 14m2 stops
Tue, 23 Sep - Thu, 9 Oct
Air Canada Logo
16:35 - 10:00DCA-LHR
12h 25m1 stop
Air Canada Logo
09:30 - 18:03LHR-DCA
13h 33m2 stops
£495Air Canada
Find Deal
Sun, 11 May - Tue, 20 May
 Logo
20:40 - 11:50DCA-LHR
10h 10m1 stop
 Logo
17:50 - 15:51LHR-DCA
27h 01m2 stops
Wed, 10 Sep - Mon, 15 Sep
British Airways Logo
19:45 - 19:45DCA-LHR
19h 00m1 stop
British Airways Logo
09:45 - 23:01LHR-DCA
18h 16m1 stop
£518British Airways
Find Deal
Sat, 9 Aug - Tue, 19 Aug
British Airways Logo
06:35 - 21:40DCA-LHR
10h 05m1 stop
British Airways Logo
19:30 - 19:59LHR-DCA
29h 29m2 stops
£545British Airways
Find Deal
Wed, 14 May - Mon, 19 May
Icelandair Logo
16:45 - 11:55DCA-LHR
14h 10m2 stops
Icelandair Logo
21:25 - 16:13LHR-DCA
23h 48m2 stops
£599Icelandair
Find Deal
Tue, 30 Sep - Wed, 15 Oct

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 £476 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is £746 and £724 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 22 weeks before departure.

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

Low season

February

High season

April

Cheapest flight

£239
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly and prices are also 6% 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 £319 for a one-way ticket and £591 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?

    oneworld, Star Alliance, and SkyTeam 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.

See more FAQs

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

Information on your arrival and departure airports

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