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$1,201+ Cheap flights from Heathrow (LHR) to Watertown, NY (ART)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ART
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$1,201
(American Airlines)
From London Heathrow to Watertown
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Find flight deals from Heathrow to Watertown

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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/312:30 pmLHR - ART
1 stop15h 24mAmerican Airlines
Fri 7/183:30 pmART - LHR
1 stop11h 35mAmerican Airlines
Deal found 6/12$1,201
This CheapTickets.ch deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/258:55 amLHR - ART
2 stops19h 01mAlaska Airlines
Fri 8/13:30 pmART - LHR
2 stops11h 20mAlaska Airlines
Deal found 6/10$1,469
This CheapTickets.ch deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2512:30 pmLHR - ART
1 stop15h 26mIberia
Fri 8/13:30 pmART - LHR
2 stops11h 20mIberia
Deal found 6/10$1,480
This AOBTravel deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AOBTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2610:05 amLHR - ART
1 stop17h 51mBritish Airways
Sat 8/23:30 pmART - LHR
1 stop14h 00mBritish Airways
Deal found 6/10$1,483
This CheapTickets.ch deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2512:30 pmLHR - ART
1 stop31h 35mFinnair
Fri 8/16:05 amART - LHR
1 stop23h 25mFinnair
Deal found 6/10$1,485
This British Airways deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/141:30 pmLHR - ART
1 stop14h 26mMultiple Airlines
Thu 8/146:00 amART - LHR
1 stop19h 40mMultiple Airlines
Deal found 6/12$1,791

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated June 12, 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

Thu 7/3

12:30 pm-10:54 pm

1 stop15h 24m

Watertown

Fri 7/18

3:30 pm-8:05 am

1 stop11h 35m

$1,201

LondonWatertown

LHR - ART

LHRART

London Heathrow

Fri 7/25

8:55 am-10:56 pm

2 stops19h 01m

Watertown

Fri 8/1

3:30 pm-7:50 am

2 stops11h 20m

$1,469

LondonWatertown

LHR - ART

LHRART

London Heathrow

Fri 7/25

12:30 pm-10:56 pm

1 stop15h 26m

Watertown

Fri 8/1

3:30 pm-7:50 am

2 stops11h 20m

$1,480

LondonWatertown

LHR - ART

LHRART

London Heathrow

Sat 7/26

10:05 am-10:56 pm

1 stop17h 51m

Watertown

Sat 8/2

3:30 pm-10:30 am

1 stop14h 00m

$1,483

LondonWatertown

LHR - ART

LHRART

London Heathrow

Fri 7/25

12:30 pm-3:05 pm

1 stop31h 35m

Watertown

Fri 8/1

6:05 am-10:30 am

1 stop23h 25m

$1,485

LondonWatertown

LHR - ART

LHRART

London Heathrow

Mon 7/14

1:30 pm-10:56 pm

1 stop14h 26m

Watertown

Thu 8/14

6:00 am-6:40 am

1 stop19h 40m

$1,791

LondonWatertown

LHR - ART

LHRART

London Heathrow

Fri 7/25

10:30 am-10:56 pm

2 stops17h 26m

$3,018

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 round-trip 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Watertown, New York (average of $187). Flying from London Heathrow Airport to Watertown, New York in May is currently the most expensive (average of $423). 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.

Rainfall in Watertown by month

Plan your trip to Watertown by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Watertown, New York ranges from 2.7 - 4.1 inches per month. December is typically the wettest month, when rainfall can reach 4.1 in. June is typically the driest time to visit Watertown, New York when rainfall is around 2.7 in.

Temperature in Watertown by month

Plan your trip to Watertown by taking into account the average temperature totals by month.

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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Watertown

Get insights into the airlines that provide service to Watertown. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Watertown. Reviews last updated June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Finnair
7.6
Good
1,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Iberia
7.0
Good
2,776 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
British Airways
6.6
Okay
7,008 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    For a flight from London Heathrow to Watertown, you will be flying into Watertown. Watertown (ART) is just 5.6 mi from the center of the city. Watertown is the only Watertown airport and it handles 0 inbound flights from London Heathrow per day. 0 airlines have flights to Watertown from London Heathrow on a regular basis.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Watertown, New York (average of $187). Flying from London Heathrow Airport to Watertown, New York in May is currently the most expensive (average of $423). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Alexandria Bay

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Alternative routes for Heathrow to Watertown

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