When did momondo last update prices for flights from London Heathrow Airport to Watertown Airport?

Prices for flights from London Heathrow Airport to Watertown Airport refresh daily.

How old do you have to be to fly from London Heathrow Airport to Watertown Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Watertown Airport.

What documentation or ID do you need to fly to Watertown Airport?

The travel and health documents you'll need for your trip to Watertown Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Watertown Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£1,083 Cheap Flights from London Heathrow Airport to Watertown, New York in 2026/27

Find the cheapest flights from London Heathrow Airport to Watertown

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

07:30 - 18:17LHR London Heathrow-ART Watertown

15h 47m2 stops Barcelona-El Prat Philadelphia

17:39 - 12:30ART Watertown-LHR London Heathrow

13h 51m2 stops Philadelphia Dublin

£1,272American Airlines

Fri, 11 Dec - Fri, 18 Dec

10:35 - 23:01LHR London Heathrow-ART Watertown

17h 26m1 stop Philadelphia

17:39 - 14:35ART Watertown-LHR London Heathrow

15h 56m2 stops Philadelphia Dublin

£1,288American Airlines

Fri, 11 Dec - Fri, 18 Dec

13:10 - 23:01LHR London Heathrow-ART Watertown

14h 51m1 stop Philadelphia

06:00 - 06:35ART Watertown-LHR London Heathrow

19h 35m1 stop Philadelphia

£1,435Multiple Airlines

Fri, 11 Dec - Fri, 18 Dec

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American Airlines flights from London Heathrow Airport to Watertown, New York

Our best American Airlines deals on London Heathrow Airport to Watertown, New York flight tickets

American Airlines

11 Dec

LHR07:30London Heathrow

15h 47m

2 stops

ART18:17Watertown

18 Dec

ART17:39Watertown

13h 51m

2 stops

LHR12:30London Heathrow

£1,272

American Airlines

11 Dec

LHR10:35London Heathrow

17h 26m

1 stop

ART23:01Watertown

18 Dec

ART17:39Watertown

15h 56m

2 stops

LHR14:35London Heathrow

£1,288

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonWatertown

LHR London Heathrow - ART Watertown

LHRART

London Heathrow

Fri 11/12

07:30-18:17

2 stops15h 47m

Watertown

Fri 18/12

17:39-12:30

2 stops13h 51m

£1,272

LondonWatertown

LHR London Heathrow - ART Watertown

LHRART

London Heathrow

Fri 11/12

10:35-23:01

1 stop17h 26m

Watertown

Fri 18/12

17:39-14:35

2 stops15h 56m

£1,288

LondonWatertown

LHR London Heathrow - ART Watertown

LHRART

London Heathrow

Fri 11/12

13:10-23:01

1 stop14h 51m

Watertown

Fri 18/12

06:00-06:35

1 stop19h 35m

£1,435

Cheapest one-way

Fastest single journey

LondonWatertown

LHR London Heathrow - ART Watertown

LHRART

London Heathrow

Mon 9/11

10:35-17:21

1 stop11h 46m

£1,083

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Watertown, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from London Heathrow to Watertown?

American Airlines is the most popular carrier operating from London Heathrow to Watertown

Which airlines fly to Watertown, New York?

Virgin Atlantic, JetBlue and United Airlines are the top three most popular airlines that fly to Watertown, New York from London Heathrow Airport according to our data. Virgin Atlantic is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Watertown, New York. Keep in mind that there are 3 different airlines that fly to Watertown, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from London Heathrow Airport to Watertown, New York

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Watertown, New York according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Heathrow Airport to Watertown, New York (LHR to ART) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Watertown, New York

Best price found	£1,083
Fastest flight time	16h 47m
Direct flights	None

The best one-way flight to Watertown, New York from London Heathrow Airport in the past 72 hours is £1,083. The best return flight deal from London Heathrow Airport to Watertown, New York found on momondo in the last 72 hours is £1,272.

The fastest flight from London Heathrow Airport to Watertown, New York takes 16h 47m

There are no direct flights from London Heathrow Airport to Watertown, New York. There are no popular flight routes from London Heathrow Airport to Watertown, New York.

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Watertown, New York

How far is London Heathrow to Watertown by plane?
A flight from London Heathrow to Watertown will travel around 3384.8 mi. In terms of flight time, this usually takes a little over 16h 47m.
When did momondo last update prices for flights from London Heathrow Airport to Watertown Airport?
Prices for flights from London Heathrow Airport to Watertown Airport refresh daily.
How old do you have to be to fly from London Heathrow Airport to Watertown Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Watertown Airport.
What documentation or ID do you need to fly to Watertown Airport?
The travel and health documents you'll need for your trip to Watertown Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Watertown Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Watertown?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Watertown. momondo saves you time and could save you money on your trip.

Can I find flights from London to Watertown with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Watertown from London with this policy.

How can momondo help me find flights from London to Watertown?

Once you have performed a search for London to Watertown flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Watertown right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Watertown flights. All you need is a valid email address and we will do the rest; it is that quick and easy.