LON - DCA

$484 Find Cheap Flights from London to Reagan Washington National 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 London to Reagan-National departing on 12/3. 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 Washington, D.C. Reagan-National Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Washington, D.C., 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 London to Washington, D.C., as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% 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.

Flight Deals
Booking Insights
Flight Deals

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

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

Mon, Nov 17 - Mon, Dec 1
JetBlue Logo
8:05 am - 10:59 pmLHR-DCA
19h 54m1 stop
JetBlue Logo
5:44 pm - 9:30 amDCA-LHR
10h 46m1 stop
$551JetBlue
Find Deal
Wed, Nov 12 - Tue, Nov 18
JetBlue Logo
9:20 am - 7:52 pmLHR-DCA
15h 32m1 stop
JetBlue Logo
1:35 pm - 6:55 amDCA-LHR
12h 20m1 stop
$553JetBlue
Find Deal
Tue, Nov 11 - Tue, Nov 18
JetBlue Logo
7:25 am - 10:59 pmLHR-DCA
20h 34m1 stop
JetBlue Logo
3:09 pm - 6:55 amDCA-LHR
10h 46m1 stop
$554JetBlue
Find Deal
Mon, Feb 2 - Mon, Feb 9
Icelandair Logo
9:20 am - 6:53 pmLHR-DCA
14h 33m1 stop
Icelandair Logo
1:00 pm - 6:55 amDCA-LHR
12h 55m1 stop
$556Icelandair
Find Deal
Wed, Dec 10 - Sun, Dec 14
Icelandair Logo
9:20 am - 1:09 pmLHR-DCA
32h 49m1 stop
Icelandair Logo
8:35 pm - 6:55 amDCA-LHR
29h 20m1 stop
$558Icelandair
Find Deal
Sat, Nov 8 - Sat, Nov 8
United Airlines Logo
6:50 am - 4:46 pmLHR-DCA
14h 56m2 stops
United Airlines Logo
6:50 pm - 6:30 amDCA-LHR
30h 40m1 stop
$560United Airlines
Find Deal
Wed, Nov 5 - Mon, Nov 24
JetBlue Logo
7:25 am - 2:50 pmLHR-DCA
12h 25m1 stop
JetBlue Logo
5:43 pm - 9:40 pmDCA-LHR
22h 57m1 stop
$562JetBlue
Find Deal
Wed, Nov 19 - Wed, Dec 3
Multiple Airlines Logo
8:25 pm - 3:31 pmLGW-DCA
24h 06m3 stops
Multiple Airlines Logo
6:00 am - 6:55 pmDCA-LGW
31h 55m3 stops
$638Multiple Airlines
Find Deal
Wed, Nov 19 - Wed, Dec 3
Multiple Airlines Logo
9:40 pm - 3:31 pmLGW-DCA
22h 51m3 stops
Multiple Airlines Logo
6:00 am - 7:55 pmDCA-LGW
32h 55m3 stops
$647Multiple Airlines
Find Deal
Sun, Nov 23 - Sat, Dec 6
American Airlines Logo
12:30 pm - 11:44 pmLGW-DCA
16h 14m2 stops
American Airlines Logo
10:15 am - 9:00 amDCA-LGW
17h 45m1 stop
$759American Airlines
Find Deal

Everything you should know

When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 27% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 28% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
$551
Overall average: $888
JetBlue
Mon 11/17Mon 12/1
LHR - DCA • 1 stop
Cheapest one-way
$488
Typical prices: $779-$954
JetBlue
Wed 12/3
LHR - DCA • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Reagan-National!
Booking Insights

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

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

How much is a round-trip flight from London to Washington, D.C. Reagan-National Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London to Washington, D.C. Reagan-National Airport departing in November.

What’s the cheapest day of the week to fly from London to Reagan Washington National Airport?

The average price of all round-trip flights from London to Washington, D.C. Reagan-National Airport clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from London to Reagan Washington National Airport, look for departures on Saturdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Reagan Washington National Airport, Tuesday is the cheapest day to fly and Sunday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to Washington, D.C. Reagan-National 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 London to Washington, D.C. Reagan-National Airport is February, where tickets cost $551 (return) on average. On the other hand, the most expensive months are December and August, where the average cost of round-trip tickets is $1,007 and $927 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London to Washington, D.C. Reagan-National 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 London to Washington, D.C. Reagan-National Airport, you should book around 3 weeks before departure, which saves you about 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Find deals

Good to know

Low seasonFebruary
Cheapest flight$488
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from London Heathrow Airport to Reagan Washington National Airport

When to book flights from London to Reagan-National

Are your dates flexible? Find out the best times to travel from London to Reagan-National based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 London to Reagan Washington National Airport flights

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

    In the last 3 days, the lowest price for a flight from London to Washington, D.C. Reagan-National Airport was $488 for a one-way ticket and $551 for a round-trip.

  • Do I need a passport to fly between London and Reagan Washington National Airport?

    Yes

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

    There are 3 airports in London (London City, London Gatwick, and London Heathrow.) and only 1 airport in Reagan Washington National Airport (Washington, D.C. Reagan-National). The cheapest flights are generally found on the London Heathrow Airport to Washington, D.C. Reagan-National flight route.

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

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

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

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

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

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

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

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

Information on your arrival and departure airports

Reagan-National (DCA)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.