LON - DCA

$463 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 6/1. 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 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 22% 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.

Flights Deals
Useful Info
Flights 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

Tue, Sep 9 - Mon, Sep 15
JetBlue Logo
12:10 pm - 8:51 pmLGW-DCA
13h 41m1 stop
JetBlue Logo
1:45 pm - 9:35 amDCA-LGW
14h 50m1 stop
$477JetBlue
Find Deal
Wed, May 28 - Mon, Jun 16
JetBlue Logo
12:10 pm - 8:00 pmLGW-DCA
12h 50m1 stop
JetBlue Logo
3:35 pm - 9:35 amDCA-LGW
13h 00m1 stop
$480JetBlue
Find Deal
Sat, Sep 20 - Sun, Sep 21
United Airlines Logo
2:05 pm - 10:20 amLHR-DCA
25h 15m1 stop
United Airlines Logo
4:00 pm - 6:45 amDCA-LHR
9h 45m1 stop
$502United Airlines
Find Deal
Sat, Sep 6 - Mon, Sep 8
United Airlines Logo
2:05 pm - 10:20 amLHR-DCA
25h 15m1 stop
United Airlines Logo
6:00 am - 8:40 pmDCA-LHR
9h 40m1 stop
$504United Airlines
Find Deal
Sat, Jun 7 - Sat, Jun 14
Icelandair Logo
12:10 pm - 8:00 amLGW-DCA
24h 50m1 stop
Icelandair Logo
3:35 pm - 9:35 amDCA-LGW
13h 00m1 stop
$552Icelandair
Find Deal
Sun, Jun 15 - Wed, Jun 25
Icelandair Logo
12:10 pm - 10:43 amLGW-DCA
27h 33m1 stop
Icelandair Logo
8:15 am - 9:35 amDCA-LGW
20h 20m1 stop
$573Icelandair
Find Deal
Fri, Nov 7 - Mon, Nov 10
Logo
9:30 am - 7:57 pmLHR-DCA
15h 27m2 stops
Logo
11:00 am - 7:10 amDCA-LHR
15h 10m1 stop
$627
Find Deal
Thu, Nov 6 - Mon, Nov 10
Logo
9:30 am - 7:57 pmLHR-DCA
15h 27m2 stops
Logo
11:00 am - 7:10 amDCA-LHR
15h 10m1 stop
$629
Find Deal
Thu, Sep 11 - Sun, Sep 14
American Airlines Logo
3:05 pm - 11:00 pmLGW-DCA
12h 55m1 stop
American Airlines Logo
5:00 pm - 7:50 amDCA-LGW
9h 50m1 stop
$633American Airlines
Find Deal
Wed, Jun 11 - Sun, Jun 15
American Airlines Logo
3:05 pm - 11:07 pmLGW-DCA
13h 02m1 stop
American Airlines Logo
2:54 pm - 7:50 amDCA-LGW
11h 56m1 stop
$701American Airlines
Find Deal
Useful Info

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.

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 $578 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is $992 and $944 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 5 weeks before departure. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Find deals

Good to know

Low seasonFebruary
High seasonJuly
Cheapest flight$463
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 26% increase in price.
Flight from London Gatwick 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 $463 for a one-way ticket and $477 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 Gatwick 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.

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

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