ART - LHR

$895 Find Cheap Flights from Watertown to London - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$895
Typical prices: $853-$1,256
American Airlines
Sun 9/30Sun 10/7
ART - LHR • 1 stop
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Flight Deals

Cheap Flights from Watertown to London (ART-LHR)

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

Recent round-trip flight deals from Watertown to London

Wed, Sep 30 - Wed, Oct 7
American Airlines Logo
4:24 pm - 6:50 amART  Watertown-LHR London Heathrow
9h 26m1 stop Philadelphia
American Airlines Logo
9:15 am - 5:51 pmLHR  London Heathrow-ART Watertown
13h 36m1 stop Philadelphia
$895American Airlines
Wed, Sep 30 - Wed, Oct 7
American Airlines Logo
4:24 pm - 12:10 pmART  Watertown-LHR London Heathrow
14h 46m2 stops Philadelphia Charlotte Douglas
American Airlines Logo
8:10 pm - 5:00 pmLHR  London Heathrow-ART Watertown
25h 50m2 stops Boston Logan Intl Philadelphia
$900American Airlines
Mon, Aug 31 - Fri, Sep 4
American Airlines Logo
6:00 am - 6:50 amART  Watertown-LHR London Heathrow
19h 50m1 stop Philadelphia
American Airlines Logo
11:10 am - 10:55 pmLHR  London Heathrow-ART Watertown
16h 45m2 stops Chicago O'Hare Intl Philadelphia
$1,127American Airlines
Mon, Aug 31 - Fri, Sep 4
American Airlines Logo
4:00 pm - 10:10 amART  Watertown-LHR London Heathrow
13h 10m2 stops Philadelphia Dublin
American Airlines Logo
11:10 am - 10:55 pmLHR  London Heathrow-ART Watertown
16h 45m2 stops Chicago O'Hare Intl Philadelphia
$1,319American Airlines
Booking Insights

Price, demand and travel trends for Watertown to London Heathrow Airport flights

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

What is the cheapest airline to fly from Watertown to London Heathrow Airport?

American Airlines ($895) offered the cheapest round-trip ticket from Watertown to London Heathrow Airport in the last 5 days.

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Key details for Watertown to London Heathrow Airport flights

Cheapest flight

$895
Flight from Watertown to London Heathrow Airport

When to book flights from Watertown to London

Are your dates flexible? Find out the best times to travel from Watertown 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 Watertown 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 Watertown to London Heathrow Airport?

    Flights from Watertown to London Heathrow Airport usually depart from Watertown (ART) and arrive at London Heathrow (LHR).

  • What cabin classes can I book on flights from Watertown to London Heathrow Airport?

    Only Economy Class is available on flights from Watertown to London Heathrow Airport.

  • Which airports do connecting flights from Watertown to London Heathrow Airport pass through?

    Most connecting flights from Watertown to London Heathrow Airport pass through Philadelphia (PHL), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

  • Can I save money by using flexible dates for flights from Watertown to London Heathrow Airport?

    On the Watertown to London Heathrow Airport route, being flexible with your departure day can save you up to 35%. Sunday is the cheapest day at $827 round-trip on average, while Friday is the most expensive at $1,256: a $429 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.

  • Do I need a passport to fly from Watertown 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.

  • Have flight prices from Watertown to London Heathrow Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $895 to $1,319. That means the highest observed fare was about 47% higher than the lowest one.

  • What is the time difference between Watertown and London Heathrow Airport?

    London Heathrow Airport is 5 hours ahead of Watertown (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 Watertown to London Heathrow Airport flight?

    Round-trip flights from Watertown to London Heathrow Airport range from $853 to $1,256, with an average of $1,118 over the past 12 months. Anything below $853 counts as a good deal.

Your guide to booking Watertown 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 Friday. On this route, Sunday flights average $827 - about $429 less than Friday (34% savings) 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 Watertown to London

Information on your arrival and departure airports

Watertown (ART)
Heathrow (LHR)