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

For as low as £1,078, British Airways can have you in Watertown, New York from London Heathrow Airport in 14h 39m. Airlines will cover a distance of 3388 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Watertown, New York ranges from 69.0 - 104.0 inches per month. December is typically the wettest month, when rainfall can reach 104.0 mm. June is typically the driest time to visit Watertown, New York when rainfall is around 69.0 mm.

If weather is an important factor for your trip to Watertown, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What is the cheapest time of day to fly from LHR to ART?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Watertown, New York as you normally would.

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.

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.

£1,069+ Cheap Flights from London Heathrow Airport to Watertown, New York

Cheap flight deals from Heathrow to Watertown

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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 5 November 2026.

Thu 17/1207:15 -

2 stops20h 34m

Thu 24/1206:00 -

2 stops19h 45m

Deal found 1/11£1,069

Thu 17/1213:10 -

2 stops14h 39m

Thu 24/1206:00 -

1 stop20h 50m

Deal found 1/11£1,078

Thu 17/1213:10 -

1 stop14h 39m

Thu 24/1206:00 -

1 stop20h 50m

Deal found 1/11£1,120

Sat 19/1207:50 -

2 stops14h 24m

Sat 26/1214:50 -

2 stops16h 10m

Deal found 4/11£1,472

Find flight deals from Heathrow to Watertown

Round-trip from	£1,069

British Airways
17/12-24/12
4 total stops
40h 19m total
London to Watertown

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Use the filters below to find and compare flights from London Heathrow Airport to Watertown that are best for you.

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Cheapest return flight

LondonWatertown

LHR London Heathrow - ART Watertown

LHRART

London Heathrow

Thu 17/12

07:15-22:49

2 stops20h 34m

Watertown

Thu 24/12

06:00-06:45

2 stops19h 45m

£1,069

LondonWatertown

LHR London Heathrow - ART Watertown

LHRART

London Heathrow

Thu 17/12

13:10-22:49

2 stops14h 39m

Watertown

Thu 24/12

06:00-07:50

1 stop20h 50m

£1,078

LondonWatertown

LHR London Heathrow - ART Watertown

LHRART

London Heathrow

Thu 17/12

13:10-22:49

1 stop14h 39m

Watertown

Thu 24/12

06:00-07:50

1 stop20h 50m

£1,120

Fastest return journey

LondonWatertown

LHR London Heathrow - ART Watertown

LHRART

London Heathrow

Sat 19/12

07:50-17:14

2 stops14h 24m

Watertown

Sat 26/12

14:50-12:00

2 stops16h 10m

£1,472

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Sorted by cheapest first

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.

LHR-ART

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.

Related info for your journey

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 £1,078, British Airways can have you in Watertown, New York from London Heathrow Airport in 14h 39m. Airlines will cover a distance of 3388 mi. Both multi-stop and direct flights can be found to your destination and back.
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.

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Cheap flights from London Heathrow Airport to Watertown, New York from £1,069

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Watertown

Cheapest flights from Heathrow to WatertownExplore 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 5 November 2026.

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 5 November 2026.

Best flights from Heathrow to WatertownDiscover carefully curated flight deals from Heathrow to Watertown that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Discover carefully curated flight deals from Heathrow to Watertown that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Last-minute flights from Heathrow to WatertownDiscover last-minute flight deals from Heathrow to Watertown. Data last updated 5 November 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Watertown. Data last updated 5 November 2026 and is based on user searches.

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Use the filters below to find and compare flights from London Heathrow Airport to Watertown that are best for you.

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.

Related info for your journey

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

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

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

How can I find direct flights from Heathrow to Watertown?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Watertown

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Heathrow and Watertown flights

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Can Cheapflights notify me if prices for flights from Heathrow to Watertown become cheaper?

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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 5 November 2026.

Best flights from Heathrow to Watertown
Discover carefully curated flight deals from Heathrow to Watertown that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Last-minute flights from Heathrow to Watertown
Discover last-minute flight deals from Heathrow to Watertown. Data last updated 5 November 2026 and is based on user searches.