DCA - LON

$330 Find Cheap Flights from Reagan Washington National Airport to London - Compare and Save

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Everything you should know

Cheapest round-trip
$670
Typical prices: $712-$961
Multiple Airlines
Sat 1/20Thu 1/25
DCA - LGW • 3 stops
Cheapest one-way
$320
Typical prices: $338-$474
JetBlue
Sun 3/25
DCA - LHR • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Reagan-National Airport and London. You'll need to take a connecting flight to reach the destination.
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Top routes
DCA - STN
Cheapest • 7% average savings
DCA - LHR
Most popular
Insights
Insights
When to book
17 weeks
in advance
Our data shows that travelers who book at least 17 weeks in advance save around 22% compared to booking last minute.
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Insights
When to travel
January
Cheapest • 20% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Ottawa (YOW)
Cheapest • Avg $641 (round-trip)
Newark (EWR)
Shortest trip • 11h 04m (one-way)
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Insights
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Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Reagan-National to London

Wed, Jan 20 - Mon, Jan 25
Multiple Airlines Logo
4:00 pm - 8:20 amDCA  Washington, D.C. Reagan-National-LGW London Gatwick
35h 20m3 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas Barcelona-El Prat
Multiple Airlines Logo
8:35 am - 3:24 pmLGW  London Gatwick-DCA Washington, D.C. Reagan-National
35h 49m3 stops Madrid Barajas Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl
$670Multiple Airlines
Wed, Dec 2 - Mon, Dec 7
Multiple Airlines Logo
11:05 am - 5:30 pmDCA  Washington, D.C. Reagan-National-LHR London Heathrow
25h 25m3 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas Lisbon Humberto Delgado
Multiple Airlines Logo
6:30 pm - 9:59 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
32h 29m3 stops Lisbon Humberto Delgado Madrid Barajas Montreal Pierre Elliott Trudeau Intl
$678Multiple Airlines
Mon, Nov 16 - Tue, Nov 24
JetBlue Logo
6:15 am - 9:40 pmDCA  Washington, D.C. Reagan-National-LHR London Heathrow
10h 25m1 stop New York John F Kennedy Intl
JetBlue Logo
7:25 am - 10:53 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
20h 28m1 stop New York John F Kennedy Intl
$805JetBlue
Wed, Mar 3 - Wed, Mar 10
JetBlue Logo
6:00 am - 9:40 pmDCA  Washington, D.C. Reagan-National-LHR London Heathrow
10h 40m1 stop New York John F Kennedy Intl
JetBlue Logo
9:20 am - 4:20 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
12h 00m1 stop Boston Logan Intl
$812JetBlue
Mon, Mar 29 - Wed, Apr 7
British Airways Logo
5:21 pm - 7:50 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
9h 29m1 stop Philadelphia
British Airways Logo
10:15 am - 4:46 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
11h 31m1 stop New York John F Kennedy Intl
$885British Airways
Tue, Dec 1 - Tue, Dec 15
Delta Logo
1:25 pm - 7:55 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
13h 30m2 stops Boston Logan Intl Paris Charles de Gaulle
Delta Logo
6:30 am - 4:38 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
15h 08m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$891Delta
Wed, Dec 2 - Tue, Dec 8
Delta Logo
5:02 pm - 8:05 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
10h 03m1 stop New York John F Kennedy Intl
Delta Logo
6:20 am - 4:31 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
15h 11m2 stops Paris Charles de Gaulle New York John F Kennedy Intl
$894Delta
Mon, Apr 5 - Thu, Apr 8
British Airways Logo
5:21 pm - 7:50 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
9h 29m1 stop Philadelphia
British Airways Logo
10:15 am - 4:46 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
11h 31m1 stop New York John F Kennedy Intl
$900British Airways
Wed, Apr 7 - Tue, Apr 13
United Airlines Logo
4:00 pm - 6:30 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
9h 30m1 stop Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
9:30 am - 3:14 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
10h 44m1 stop Montreal Pierre Elliott Trudeau Intl
$903United Airlines
Tue, Apr 6 - Tue, Apr 13
United Airlines Logo
4:00 pm - 6:30 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
9h 30m1 stop Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
9:30 am - 3:14 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
10h 44m1 stop Montreal Pierre Elliott Trudeau Intl
$903United Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Reagan-National Airport to London flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

There's little price difference between Washington, D.C. Reagan-National Airport to London routes. They average around $849 round-trip, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to London?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to London. It’s 4% cheaper than the average day, while Thursday is the most expensive, with prices 7% higher.

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

•January is the cheapest month to fly from Washington, D.C. Reagan-National Airport to London at $648 round-trip.
•May ($1,164) and December ($1,095) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 79% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Washington, D.C. Reagan-National Airport to London the cheapest?

Flights from Washington, D.C. Reagan-National Airport to London are cheapest 17 weeks before departure. Booking in this window typically costs about 22% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Washington, D.C. Reagan-National Airport to London flights

Low season

September

Cheapest flight

$320
Beat the crowds with an average 60% drop in travelers.
The most popular month to fly with an average 121% increase in travelers.
One-way flight from Washington, D.C. Reagan-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 round-trip price

Your Washington, D.C. Reagan-National Airport to London flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Washington, D.C. Reagan-National Airport to London?

    Four cabin classes are available on flights from Washington, D.C. Reagan-National Airport to London:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Washington, D.C. Reagan-National Airport to London?

    A nonstop flight from Washington, D.C. Reagan-National Airport to London takes 00m, covering 3,665 miles.

  • Do I need a passport to fly from Washington, D.C. Reagan-National Airport to London?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Washington, D.C. Reagan-National Airport to London flight?

    Round-trip flights from Washington, D.C. Reagan-National Airport to London range from $712 to $961, with an average of $805 over the past 12 months. Anything below $712 counts as a good deal.

  • How expensive are last-minute Washington, D.C. Reagan-National Airport to London flights?

    Last-minute fares on this route (booked within two weeks of departure) run 4% above the $805 route average. Book 17 weeks before departure for the lowest fares.

  • How are flight prices from Washington, D.C. Reagan-National Airport to London looking right now?

    One-way fares from Washington, D.C. Reagan-National Airport to London are currently lower than usual. Average one-way flight prices are about $327, which is 18% below the typical average for this route.

  • What car rental options are available in London?

    Since London is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near London Heathrow Airport (LHR) — daily rates from around $7:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

    Near London Gatwick Airport (LGW) — daily rates from around $7:

    • GREEN MOTION
    • DRIVALIA
    • U-Save
    • Europcar
    • Alamo

    Near London City Airport (LCY) — daily rates from around $10:

    • GREEN MOTION
    • Budget
    • Hertz
    • Avis
    • Sixt

    Near London Stansted Airport (STN) — daily rates from around $10:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • U-Save

    Near London Luton Airport (LTN) — daily rates from around $11:

    • GREEN MOTION
    • DRIVALIA
    • Alamo
    • Europcar
    • U-Save

  • Which airports can I use when flying from Washington, D.C. Reagan-National Airport to London?

    Flights from Washington, D.C. Reagan-National Airport to London usually depart from Washington, D.C. Reagan-National (DCA) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

  • Which airports do connecting flights from Washington, D.C. Reagan-National Airport to London pass through?

    One-stop flights from Washington, D.C. Reagan-National Airport to London most commonly connect through:

    • Boston Logan Intl (BOS) - 60% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 22% of one-stop connections
    • Toronto Pearson Intl (YYZ) - 8% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from Washington, D.C. Reagan-National Airport to London?

    Yes. Flexible dates can save you up to 11% on flights from Washington, D.C. Reagan-National Airport to London. Monday is the cheapest departure day at $774 round-trip on average, while Thursday is the most expensive at $868, a difference of $94.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Reagan-National Airport to London?

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 11h 04m, compared with 12h 09m via Boston Logan Intl (BOS) and 12h 15m via Toronto Pearson Intl (YYZ).

  • What is the time difference between Washington, D.C. Reagan-National Airport and London?

    London is 5 hours ahead of Washington, D.C. Reagan-National Airport (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London?

    Some of the most popular sights in London are Hyde Park and Buckingham Palace. These are among the most viewed places in London on KAYAK.

Your guide to booking Washington, D.C. Reagan-National Airport to London flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Thursday. On this route, Monday flights average $774, about $94 less than Thursday fares (11% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 22% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Reagan-National Airport to London trip for January. Fares historically average $648 round-trip in that month - typically $516 less than the most expensive month, which is May (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near London City Airport

    • Good Hotel London
    • Novotel London Excel
    • Aloft London Excel

    Near London Heathrow Airport

    • Hilton London Heathrow Airport

    Near London Gatwick Airport

    • Premier Inn London Gatwick Airport

More options for your flight from Reagan-National to London

Complete your trip to London with a hotel stay or car rental

Car rentals in London
Hotels in London
Vacations in London