LHR - ART

$1,277 Find Cheap Flights from London to Watertown - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,277
Typical prices: $1,505-$1,567
American Airlines
Sat 10/27Sat 11/3
LHR - ART • 2 stops
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Flight Deals

Cheap Flights from London to Watertown (LHR-ART)

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

Recent round-trip flight deals from London to Watertown

Tue, Oct 27 - Tue, Nov 3
American Airlines Logo
7:45 am - 6:57 pmLHR  London Heathrow-ART Watertown
15h 12m2 stops Edinburgh Turnhouse Philadelphia
American Airlines Logo
5:46 pm - 2:35 pmART  Watertown-LHR London Heathrow
15h 49m2 stops Philadelphia Dublin
$1,277American Airlines
Tue, Oct 27 - Tue, Nov 3
American Airlines Logo
7:45 am - 6:57 pmLHR  London Heathrow-ART Watertown
15h 12m2 stops Edinburgh Turnhouse Philadelphia
American Airlines Logo
6:00 am - 7:50 amART  Watertown-LHR London Heathrow
20h 50m1 stop Philadelphia
$1,284American Airlines
Tue, Oct 27 - Tue, Nov 3
American Airlines Logo
10:35 am - 6:57 pmLHR  London Heathrow-ART Watertown
12h 22m1 stop Philadelphia
American Airlines Logo
6:00 am - 7:50 amART  Watertown-LHR London Heathrow
20h 50m1 stop Philadelphia
$1,297American Airlines
Booking Insights

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

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

How much is a round-trip flight from London Heathrow Airport to Watertown?

Round-trip flights from London Heathrow Airport to Watertown start at $1,277. Prices are below average for this route right now, with typical round-trip fares ranging from $1,505 to $1,567. The lowest price found in the past 5 days was $1,277 on American Airlines.

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When to book flights from London to Watertown

Are your dates flexible? Find out the best times to travel from London to Watertown based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your London Heathrow Airport to Watertown 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 London Heathrow Airport to Watertown?

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

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

    Most connecting flights from London Heathrow Airport to Watertown 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 London Heathrow Airport to Watertown?

    On the London Heathrow Airport to Watertown route, being flexible with your departure day can save you up to 8%. Saturday is the cheapest day at $1,505 round-trip on average, while Tuesday is the most expensive at $1,624: a $119 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • Do I need a passport to fly from London Heathrow Airport to Watertown?

    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.

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

    Watertown is 5 hours behind London Heathrow Airport (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking London Heathrow Airport to Watertown 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 Saturday departure instead of Tuesday. On this route, Saturday flights average $1,505 - about $119 less than Tuesday (7% savings) based on the last 12 months.

More options for your flight from London to Watertown

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