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$1,324+ Cheap flights from Watertown, NY (ART) to Heathrow (LHR)

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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
ART — LHR
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
1 adult, Economy
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Cheap flight deals from Watertown to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Watertown (ART) to Heathrow (LHR). 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 March 4, 2025.

Round-trip from

$1,324
(British Airways)
From Watertown to London Heathrow
Search Deals

Find flight deals from Watertown to Heathrow

Cheapest flights from Watertown to Heathrow
Explore the most affordable flight options available from Watertown to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2025.

This British Airways deal was found by Cheapflights users on 3/3. 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.
Thu 7/316:00 amART - LHR
1 stop19h 40mMultiple Airlines
Mon 8/41:30 pmLHR - ART
1 stop14h 24mMultiple Airlines
Deal found 3/3$1,324
This American Airlines deal was found by Cheapflights users on 3/3. 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 7/314:36 pmART - LHR
2 stops11h 54mAmerican Airlines
Mon 8/48:55 amLHR - ART
2 stops18h 59mAmerican Airlines
Deal found 3/3$1,329

Find flights from Watertown to Heathrow within your budget

Customize your flight search to find flights from Watertown to Heathrow 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 March 4, 2025.

Fly from

Watertown

Fly to

Heathrow

Route

Depart

Return

Price

WatertownLondon

ART - LHR

ARTLHR

Watertown

Thu 7/31

6:00 am-6:40 am

1 stop19h 40m

London Heathrow

Mon 8/4

1:30 pm-10:54 pm

1 stop14h 24m

$1,324

WatertownLondon

ART - LHR

ARTLHR

Watertown

Thu 7/31

4:36 pm-8:05 am

1 stop10h 29m

London Heathrow

Mon 8/4

8:55 am-10:54 pm

2 stops18h 59m

$1,329

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Best time to book a flight from Watertown to Heathrow

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

Travel insights for flights from Watertown to Heathrow

Get recent, data-driven insights about flights from Watertown to Heathrow including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Watertown, New York to London Heathrow Airport (average of $661). Flying from Watertown, New York to London Heathrow Airport in June is currently the most expensive (average of $1,128). 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 Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated March 4, 2025.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Food

6.5

Crew

8.0

Overall

7.2

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20

4.0
Okay

Anonymous,Apr 2024

PHL - LHR

Entertainment was ok, no delays either. The food was just ok, the trays were dirty and overall the plane seemed dated.

American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Food

6.5

Crew

8.0

Overall

7.2

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20

4.0
Okay

Anonymous,Apr 2024

PHL - LHR

Entertainment was ok, no delays either. The food was just ok, the trays were dirty and overall the plane seemed dated.

Related info for your journey

Find useful and relevant information for your journey from Watertown to Heathrow. 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 from for flights from Watertown to London Heathrow?

    Watertown (ART), located 5.6 mi from the city center, is the airport you fly out of when you book flights from Watertown to London Heathrow. 0 airlines have flights from Watertown to London Heathrow on a regular basis. Booking flights from Watertown to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • What is the cheapest airline to fly from Watertown, New York to London Heathrow Airport round-trip?

    Currently priced at $1,329, American Airlines will fly you from Watertown, New York to London Heathrow Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Watertown, New York to London Heathrow Airport (average of $661). Flying from Watertown, New York to London Heathrow Airport in June is currently the most expensive (average of $1,128). 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 Watertown?

Book flights to Watertown if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Northampton
Gatwick
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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