DCA - LHR

$323 Find Cheap Flights from Reagan Washington National Airport to London Heathrow Airport - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$718
Typical prices: $694-$951
Multiple Airlines
Tue 2/6Thu 2/8
DCA - LHR • 1 stop
Cheapest one-way
$306
Typical prices: $348-$477
British Airways
Tue 1/23
DCA - LHR • 1 stop
Nonstop flights
There are currently no direct flights between Washington, D.C. Reagan-National Airport and London Heathrow Airport. You'll need to take a connecting flight to reach the destination.
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When to book
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
Cheapest • 18% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $495 (round-trip)
Shortest trip • 10h 37m (one-way)
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Flight Deals

Cheap Flights from Reagan-National to Heathrow (DCA-LHR)

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

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

Sat, Feb 6 - Mon, Feb 8
Multiple Airlines Logo
12:55 pm - 9:00 pmDCA  Washington, D.C. Reagan-National-LHR London Heathrow
27h 05m1 stop Ottawa
Multiple Airlines Logo
6:00 pm - 3:24 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
26h 24m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl
$718Multiple Airlines
Fri, Feb 12 - Mon, Feb 15
Multiple Airlines Logo
8:45 pm - 9:00 pmDCA  Washington, D.C. Reagan-National-LHR London Heathrow
43h 15m2 stops Toronto Pearson Intl Ottawa
Multiple Airlines Logo
6:00 pm - 3:24 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
26h 24m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl
$726Multiple Airlines
Mon, Nov 23 - Wed, Nov 25
Air Canada Logo
6:55 pm - 11:20 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
11h 25m1 stop Toronto Pearson Intl
Air Canada Logo
9:00 am - 7:58 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
15h 58m2 stops Zurich Toronto Pearson Intl
$743Air Canada
Mon, Nov 23 - Wed, Nov 25
Air Canada Logo
4:00 pm - 11:20 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
14h 20m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
9:00 am - 7:58 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
15h 58m2 stops Zurich Toronto Pearson Intl
$747Air Canada
Tue, Dec 1 - Sat, Dec 5
British Airways Logo
2:56 pm - 6:20 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
10h 24m1 stop New York John F Kennedy Intl
British Airways Logo
12:55 pm - 7:31 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
11h 36m1 stop New York John F Kennedy Intl
$818British Airways
Sun, Nov 29 - Thu, Dec 3
British Airways Logo
5:26 pm - 9:15 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
10h 49m1 stop Charlotte Douglas
British Airways Logo
1:10 pm - 9:00 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
12h 50m1 stop Philadelphia
$818British Airways
Fri, Oct 16 - Sun, Oct 18
JetBlue Logo
2:25 pm - 6:30 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
11h 05m1 stop Boston Logan Intl
JetBlue Logo
11:55 am - 10:59 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
16h 04m1 stop New York John F Kennedy Intl
$857JetBlue
Sun, Oct 4 - Sun, Oct 11
JetBlue Logo
6:30 am - 9:30 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
22h 00m1 stop New York John F Kennedy Intl
JetBlue Logo
8:15 am - 10:59 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
19h 44m1 stop New York John F Kennedy Intl
$859JetBlue
Sun, Nov 15 - Wed, Nov 18
United Airlines Logo
11:05 am - 7:10 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
15h 05m1 stop Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
6:35 am - 6:18 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
16h 43m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$864United Airlines
Tue, Sep 29 - Wed, Oct 7
United Airlines Logo
8:25 am - 10:25 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
21h 00m1 stop Newark
United Airlines Logo
2:10 pm - 12:00 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
26h 50m1 stop Ottawa
$867United Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Reagan-National Airport to London Heathrow Airport 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 Heathrow Airport with more confidence.

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

Sunday is the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to London Heathrow Airport, it is 11% cheaper than the average day. Saturday is the most expensive day with flight prices 6% 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 Heathrow Airport?

  • January is the cheapest month to fly from Washington, D.C. Reagan-National Airport to London Heathrow Airport at $648 round-trip.
  • June ($1,180) and May ($1,111) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 82% 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 Heathrow Airport the cheapest?

Flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport 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.

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

Low season

September

Cheapest flight

$306
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport

When to book flights from Reagan-National to Heathrow

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

    Flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport usually depart from Washington, D.C. Reagan-National (DCA) and arrive at London Heathrow (LHR).

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

    Only Economy Class is available on flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport.

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

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

    • Boston Logan Intl (BOS) - 45% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 36% of one-stop connections
    • Reykjavik Keflavik Intl (KEF) - 6% of one-stop connections
    • Toronto Pearson Intl (YYZ) - 5% 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 Heathrow Airport?

    On the Washington, D.C. Reagan-National Airport to London Heathrow Airport route, being flexible with your departure day can save you up to 16%. Sunday is the cheapest day at $705 round-trip on average, while Saturday is the most expensive at $835: a $130 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in London Heathrow Airport?

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

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

    A nonstop flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport takes 0h 00m, covering 3,652 miles.

  • What are the earliest and latest flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport?

    These are the earliest and latest flight times available from Washington, D.C. Reagan-National Airport to London Heathrow Airport:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 3% above the route average of $786. Book 19 weeks before departure for the lowest fares.

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

    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 Heathrow Airport looking right now?

    One-way fares from Washington, D.C. Reagan-National Airport to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about $321, which is 21% 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 Heathrow Airport?

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 10h 37m, compared with 10h 46m via Reykjavik Keflavik Intl (KEF) and 10h 49m via Dublin (DUB).

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

    London Heathrow Airport 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 at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:
    · GREEN MOTION
    · DRIVALIA
    · Europcar
    · Alamo
    · Hertz

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

    Round-trip flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport range from $694 to $951, with an average of $786 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 Heathrow Airport 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 Sunday departure instead of Saturday. On this route, Sunday flights average $705 - about $130 less than Saturday (16% 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 Heathrow Airport trip for January. Fares historically average $648 round-trip in that month - typically $532 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.
    - Hilton London Heathrow Airport

Everything you need to know for your flight from Reagan-National to Heathrow

Information on your arrival and departure airports