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Cheap flights from London Heathrow Airport to Watertown, New York from £764

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ART
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Find flight deals from Heathrow to Watertown

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Watertown
Explore the most affordable flight options available from Heathrow to Watertown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Wed 3/1211:40LHR - ART
2 stops16h 23mAmerican Airlines
Wed 10/1206:00ART - LHR
1 stop20h 50mAmerican Airlines
Deal found 19/10£764

Cheap flight deals from Heathrow to Watertown

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Watertown (ART). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 October 2025.

Round-trip from

£764
American Airlines
  • American Airlines
  • 3/12-10/12
  • 3 total stops
  • 37h 13m total
  • London to Watertown
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Watertown that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Watertown that are best for you.

Fly from

Heathrow

Fly to

Watertown

Route

Depart

Return

Price

LondonWatertown

LHR - ART

LHRART

London Heathrow

Wed 3/12

11:40-23:03

2 stops16h 23m

Watertown

Wed 10/12

14:30-09:20

2 stops13h 50m

£767

LondonWatertown

LHR - ART

LHRART

London Heathrow

Fri 27/3

10:05-22:20

1 stop16h 15m

Watertown

Tue 31/3

06:22-06:15

2 stops18h 53m

£1,056

Flights are sorted by cheapest return flights first.

Deals found on 19/10

Best time to book a flight from Heathrow to Watertown

Have a flexible travel schedule? Discover the best time to fly to Watertown from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Watertown

What is the cheapest month to book a flight from London Heathrow Airport to Watertown, New York?

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Watertown, New York (average of £300). Flying from London Heathrow Airport to Watertown, New York in July is currently the most expensive (average of £700). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Watertown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Watertown from London Heathrow?

    Located just 5.6 mi from the city center, Watertown is the airport most travelers will use when flying to Watertown from London Heathrow. Booking flights from London Heathrow to Watertown (ART) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 0 different airlines.

  • How long is the flight from London Heathrow Airport to Watertown, New York?

    For as low as £767, American Airlines can have you in Watertown, New York from London Heathrow Airport in 16h 23m. Airlines will cover a distance of 3388 mi.

  • Can I find deals for flights from Heathrow to Watertown that include hotel bookings?

    Yes. In addition to deals on Heathrow to Watertown flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Watertown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Watertown.

  • Can I find deals for business class flights from Heathrow to Watertown?

    Yes. Cheapflights offers flight deals from Heathrow to Watertown by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Watertown, New York?

    Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Watertown, New York (average of £300). Flying from London Heathrow Airport to Watertown, New York in July is currently the most expensive (average of £700). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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How does Cheapflights help users find flights from Heathrow to Watertown?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Watertown?

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Not ready to book yet? You can track prices for flights from Heathrow to Watertown on Cheapflights with our Price Alert feature and get notified when better prices are available.

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