DCA - LON

$327 Find Cheap Flights from Reagan Washington National Airport to London - Compare and Save

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Everything you should know

Cheapest round-trip
$695
Typical prices: $694-$949
Air Canada
Mon 10/8Mon 12/3
DCA - LHR • 1 stop
Cheapest one-way
$327
Typical prices: $342-$475
Multiple Airlines
Fri 9/28
DCA - LTN • 2 stops
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 - LHR
Cheapest • 6% average savings
DCA - LGW
Most popular
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Insights
When to book
19 weeks
in advance
Our data shows that travelers who book at least 19 weeks in advance save around 15% compared to booking last minute.
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Insights
When to travel
January
Cheapest • 18% 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 00m (one-way)
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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

Thu, Oct 8 - Thu, Dec 3
Air Canada Logo
12:50 pm - 6:30 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
12h 40m1 stop Ottawa
Air Canada Logo
11:10 am - 6:18 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
12h 08m1 stop Toronto Pearson Intl
$695Air Canada
Thu, Nov 26 - Mon, Nov 30
Multiple Airlines Logo
6:59 am - 7:30 pmDCA  Washington, D.C. Reagan-National-LHR London Heathrow
31h 31m2 stops Toronto Pearson Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
8:35 pm - 10:38 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
31h 03m2 stops Reykjavik Keflavik Intl Toronto Pearson Intl
$704Multiple Airlines
Tue, Nov 24 - Mon, Nov 30
Multiple Airlines Logo
9:40 am - 7:30 pmDCA  Washington, D.C. Reagan-National-LHR London Heathrow
28h 50m2 stops Toronto Pearson Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
8:35 pm - 10:38 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
31h 03m2 stops Reykjavik Keflavik Intl Toronto Pearson Intl
$706Multiple Airlines
Wed, Jan 6 - Wed, Jan 13
British Airways Logo
2:58 pm - 6:15 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
10h 17m1 stop Boston Logan Intl
British Airways Logo
4:30 pm - 11:59 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
12h 29m1 stop Chicago O'Hare Intl
$732British Airways
Wed, Jan 6 - Wed, Jan 13
British Airways Logo
2:54 pm - 6:15 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
10h 21m1 stop New York John F Kennedy Intl
British Airways Logo
1:10 pm - 9:00 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
12h 50m1 stop Philadelphia
$732British Airways
Sat, Dec 5 - Mon, Dec 7
United Airlines Logo
11:25 am - 9:20 pmDCA  Washington, D.C. Reagan-National-LHR London Heathrow
28h 55m1 stop Newark
United Airlines Logo
11:05 am - 4:23 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
34h 18m2 stops Brussels Bruxelles-National Newark
$737United Airlines
Sun, Sep 20 - Tue, Sep 29
American Airlines Logo
5:18 pm - 7:50 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
9h 32m1 stop Philadelphia
American Airlines Logo
5:25 pm - 11:10 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
10h 45m1 stop New York John F Kennedy Intl
$738American Airlines
Tue, Sep 22 - Fri, Oct 2
American Airlines Logo
3:12 pm - 6:55 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
10h 43m1 stop Charlotte Douglas
American Airlines Logo
1:45 pm - 9:13 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
12h 28m1 stop Philadelphia
$746American Airlines
Tue, Jan 5 - Fri, Jan 8
Air Canada Logo
6:55 pm - 8:30 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
32h 35m1 stop Toronto Pearson Intl
Air Canada Logo
6:50 am - 9:59 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
20h 09m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl
$779Air Canada
Mon, Mar 1 - Tue, Mar 9
United Airlines Logo
7:00 am - 10:25 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
22h 25m1 stop Newark
United Airlines Logo
1:00 pm - 3:18 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
31h 18m1 stop Montreal Pierre Elliott Trudeau Intl
$881United 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 from Washington, D.C. Reagan-National Airport to London with more confidence.

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

Round-trip flights from Washington, D.C. Reagan-National Airport to London start at $695. Prices are typical for this route right now, with typical round-trip fares ranging from $694 to $949. The lowest price found in the past 5 days was $695 on Air Canada.

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 $838 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?

Monday is the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to London, it is 5% cheaper than the average day. Saturday is the most expensive day with flight prices 5% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is 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 ($1,155) and June ($1,056) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 78% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Washington, D.C. Reagan-National Airport to London are cheapest 19 weeks before departure. Booking in this window typically costs about 15% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

September

Cheapest flight

$327
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from Washington, D.C. Reagan-National Airport to London Luton 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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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) - 59% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 25% of one-stop connections
    • Toronto Pearson Intl (YYZ) - 7% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 4% of one-stop connections

    Boston Logan Intl (BOS) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 10% on the Washington, D.C. Reagan-National Airport to London route. Monday is the cheapest departure day at $759 round-trip on average, while Saturday is the most expensive at $835, a difference of $76. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in London?

    Some of the most popular sights in London are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London on KAYAK.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 2% above the route average of $793. Book 19 weeks before departure for the lowest fares.

  • 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 0h 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 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 $329, which is 18% below the typical average for this route.

  • 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 00m, compared with 12h 12m via Boston Logan Intl (BOS) and 12h 21m 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 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 $8:

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

    Near London City Airport (LCY) — daily rates from around $11:

    · GREEN MOTION
    · Budget
    · Hertz
    · Avis
    · Sixt

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

    · GREEN MOTION
    · DRIVALIA
    · Alamo
    · Europcar
    · Budget

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

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

  • 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 $694 to $949, with an average of $793 over the past 12 months. Anything below $694 counts as a good deal.

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 can be flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average $759 - about $76 less than Saturday (9% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 19 weeks before you fly. On this route, that window historically saves about 15% 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 $507 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

    · Crowne Plaza London Docklands By IHG
    · Good Hotel London
    · Novotel 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