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Cheap flights from London to Watertown, New York from £730

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ART
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Find flight deals from London to Watertown

Enter your travel dates to find the best prices.

Best flights from London to Watertown
Discover carefully curated flight deals from London to Watertown that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2025.

Mon 16/308:25LHR - ART
2 stops17h 55mAmerican Airlines
Thu 19/306:22ART - LHR
2 stops22h 18mAmerican Airlines
Deal found 13/10£730
Sun 15/319:15LHR - ART
2 stops31h 05mAmerican Airlines
Thu 19/306:22ART - LHR
2 stops22h 18mAmerican Airlines
Deal found 13/10£734
Mon 16/316:30LHR - ART
2 stops26h 25mAmerican Airlines
Mon 23/316:37ART - LHR
1 stop9h 58mAmerican Airlines
Deal found 13/10£745
Sun 15/319:15LHR - ART
2 stops31h 05mAmerican Airlines
Mon 23/316:37ART - LHR
1 stop11h 13mAmerican Airlines
Deal found 13/10£771
Thu 12/313:10LHR - ART
1 stop13h 10mAmerican Airlines
Mon 23/316:37ART - LHR
1 stop9h 58mAmerican Airlines
Deal found 13/10£812
Sat 14/313:10LHR - ART
1 stop13h 10mAmerican Airlines
Thu 19/306:22ART - LHR
1 stop20h 13mAmerican Airlines
Deal found 13/10£812
Thu 12/213:10LHR - ART
1 stop14h 13mAmerican Airlines
Thu 19/216:30ART - LHR
1 stop10h 20mAmerican Airlines
Deal found 13/10£812
Sat 14/313:10LHR - ART
1 stop13h 10mAmerican Airlines
Mon 23/316:37ART - LHR
1 stop9h 58mAmerican Airlines
Deal found 13/10£812
Mon 16/313:10LHR - ART
1 stop13h 10mAmerican Airlines
Sat 21/316:37ART - LHR
1 stop9h 58mAmerican Airlines
Deal found 13/10£812

Cheap flight deals from London to Watertown

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 15 October 2025.

Round-trip from

£730
American Airlines
  • American Airlines
  • 16/3-19/3
  • 4 total stops
  • 40h 13m total
  • London to Watertown
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 15 October 2025.
Use the filters below to find and compare flights from London to Watertown that are best for you.

Fly from

London

Fly to

Watertown

Route

Depart

Return

Price

LondonWatertown

LHR - ART

LHRART

London Heathrow

Mon 16/3

08:25-22:20

2 stops17h 55m

Watertown

Thu 19/3

06:22-08:40

2 stops22h 18m

£730

LondonWatertown

LHR - ART

LHRART

London Heathrow

Sun 15/3

19:15-22:20

2 stops31h 05m

Watertown

Thu 19/3

06:22-08:40

2 stops22h 18m

£734

LondonWatertown

LHR - ART

LHRART

London Heathrow

Mon 16/3

16:30-14:55

2 stops26h 25m

Watertown

Mon 23/3

16:37-06:35

1 stop9h 58m

£745

LondonWatertown

LHR - ART

LHRART

London Heathrow

Sun 15/3

19:15-22:20

2 stops31h 05m

Watertown

Mon 23/3

16:37-07:50

1 stop11h 13m

£771

LondonWatertown

LHR - ART

LHRART

London Heathrow

Thu 12/3

13:10-22:20

1 stop13h 10m

Watertown

Mon 23/3

16:37-06:35

1 stop9h 58m

£812

LondonWatertown

LHR - ART

LHRART

London Heathrow

Sat 14/3

13:10-22:20

1 stop13h 10m

Watertown

Thu 19/3

06:22-06:35

1 stop20h 13m

£812

LondonWatertown

LHR - ART

LHRART

London Heathrow

Thu 12/2

13:10-22:23

1 stop14h 13m

Watertown

Thu 19/2

16:30-07:50

1 stop10h 20m

£812

LondonWatertown

LHR - ART

LHRART

London Heathrow

Sat 14/3

13:10-22:20

1 stop13h 10m

Watertown

Mon 23/3

16:37-06:35

1 stop9h 58m

£812

LondonWatertown

LHR - ART

LHRART

London Heathrow

Mon 16/3

13:10-22:20

1 stop13h 10m

Watertown

Sat 21/3

16:37-06:35

1 stop9h 58m

£812

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Best time to book a flight from London to Watertown

Have a flexible travel schedule? Discover the best time to fly to Watertown from London 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 to Watertown

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

Currently, April is the cheapest month in which you can book a flight from London to Watertown, New York (average of £302). Flying from London to Watertown, New York in July is currently the most expensive (average of £706). 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 London 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?

    Watertown (ART) is the airport you will fly into if you book a flight from London to Watertown. You should not have trouble finding flights to Watertown from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Watertown airport from London. It is only a 5.6 mi journey from Watertown (ART) to Watertown’s city center.

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

    Departing from London to Watertown, New York will take you 31h 05m. Airlines will cover a distance of 3388 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 to Watertown, New York?

    Currently, April is the cheapest month in which you can book a flight from London to Watertown, New York (average of £302). Flying from London to Watertown, New York in July is currently the most expensive (average of £706). 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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Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Watertown. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Watertown for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Watertown with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Watertown, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for London to Watertown flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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