DCA - LON

£260 Find Cheap Flights from Reagan Washington National Airport to London

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 London departing on 6/9. 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, 0 bags

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

 
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
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 27% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
£513
Overall average: £553
Scandinavian Airlines
Sun 19/4Tue 5/5
DCA - LHR • 2 stops
Cheapest one-way flight
£260
Typical prices: £307-£352
Scandinavian Airlines
Sun 6/9
DCA - LHR • 2 stops
Direct flights
Not available
There are currently no direct flights between Reagan-National and London. You’ll need at least 1 connection.
Insights
Insights
Insights
Insights
Top stopover airports
New York (JFK)
Cheapest • Avg £564 (return)
New York (JFK)
Shortest trip • 9h 25m (one-way)
Insights
Insights
Insights
Insights
When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 13% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 20% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to London!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Reagan-National to London (DCA-LON)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Reagan-National to London 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 London

Sun, 19 Apr - Tue, 5 May
Scandinavian Airlines Logo
06:00 - 09:35
DCA
-
LHR
22h 35m
2 stops
Scandinavian Airlines Logo
07:05 - 22:41
LHR
-
DCA
20h 36m
2 stops
£513Scandinavian Airlines
Sun, 19 Apr - Thu, 23 Apr
Scandinavian Airlines Logo
06:00 - 09:35
DCA
-
LHR
22h 35m
2 stops
Scandinavian Airlines Logo
07:05 - 22:41
LHR
-
DCA
20h 36m
2 stops
£522Scandinavian Airlines
Mon, 30 Mar - Tue, 7 Apr
Air Canada Logo
12:55 - 06:30
DCA
-
LHR
12h 35m
1 stop
Air Canada Logo
14:05 - 21:55
LHR
-
DCA
12h 50m
1 stop
£531Air Canada
Mon, 30 Mar - Tue, 7 Apr
Air Canada Logo
12:55 - 06:30
DCA
-
LHR
12h 35m
1 stop
Air Canada Logo
09:30 - 21:55
LHR
-
DCA
17h 25m
1 stop
£534Air Canada
Tue, 28 Apr - Tue, 5 May
Multiple Airlines Logo
16:10 - 16:50
DCA
-
STN
19h 40m
3 stops
Multiple Airlines Logo
08:20 - 21:55
STN
-
DCA
18h 35m
3 stops
£541Multiple Airlines
Fri, 24 Apr - Mon, 27 Apr
Multiple Airlines Logo
11:00 - 16:45
DCA
-
STN
24h 45m
3 stops
Multiple Airlines Logo
15:15 - 15:30
STN
-
DCA
29h 15m
3 stops
£545Multiple Airlines
Wed, 22 Apr - Tue, 28 Apr
British Airways Logo
11:17 - 06:50
DCA
-
LGW
14h 33m
1 stop
British Airways Logo
10:45 - 20:59
LGW
-
DCA
15h 14m
1 stop
£565British Airways
Mon, 27 Apr - Wed, 6 May
British Airways Logo
11:17 - 06:50
DCA
-
LGW
14h 33m
1 stop
British Airways Logo
14:30 - 20:59
LGW
-
DCA
35h 29m
1 stop
£570British Airways
Wed, 2 Sep - Wed, 9 Sep
American Airlines Logo
08:21 - 08:40
DCA
-
LGW
19h 19m
1 stop
American Airlines Logo
12:20 - 23:59
LGW
-
DCA
16h 39m
2 stops
£572American Airlines
Wed, 2 Sep - Wed, 9 Sep
American Airlines Logo
08:21 - 08:40
DCA
-
LGW
19h 19m
1 stop
American Airlines Logo
12:20 - 23:59
LGW
-
DCA
16h 39m
2 stops
£573American Airlines
Booking Insights

KAYAK’s insights & trends for Reagan-National to London flights

Get data-powered insights and trends into flights from Reagan-National to London 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?

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, 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 is September, where tickets cost £474 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is £912 and £720 respectively.

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

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, 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, you should book around 2 weeks before departure, which saves you about 13% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Find deals

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

Low seasonJanuary
Cheapest flight£260
Best time to beat the crowds (19% less expensive on average)
Most popular time to fly (4% more expensive on average)
Flight from Reagan Washington National Airport to London Heathrow Airport

When to book flights from Reagan-National to London

Are your dates flexible? Find out the best times to travel from Reagan-National to London 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 flights

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

    In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to London was £260 for a one-way ticket and £513 for a return.

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

    On your way to London, you’ll fly out from Washington, D.C. Reagan-National. You’ll be landing in one of London’s 2 airports: London Heathrow or London Stansted.

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

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

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

    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.

  • 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?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London 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?

    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 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?

    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 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 London

Information on your arrival and departure airports

Reagan Washington National Airport (DCA)