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Cheap flights from Watertown, New York to London from $982

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Watertown, New York to London departing on 3/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Watertown, New York to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:37 pm - 7:50 amART-LHR
11h 13m1 stop
American Airlines Logo
7:50 am - 2:55 pmLHR-ART
36h 05m2 stops
$982American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
4:37 pm - 7:50 amART-LHR
11h 13m1 stop
American Airlines Logo
7:45 am - 2:55 pmLHR-ART
36h 10m2 stops
$985American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
4:37 pm - 9:15 amART-LHR
12h 38m2 stops
American Airlines Logo
7:50 am - 2:55 pmLHR-ART
36h 05m2 stops
$986American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
6:22 am - 7:00 amART-LHR
20h 38m2 stops
American Airlines Logo
7:45 am - 2:55 pmLHR-ART
36h 10m2 stops
$989American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
4:37 pm - 7:50 amART-LHR
11h 13m1 stop
American Airlines Logo
1:45 pm - 10:20 pmLHR-ART
13h 35m1 stop
$1,004American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
4:37 pm - 7:50 amART-LHR
11h 13m1 stop
American Airlines Logo
1:25 pm - 10:20 pmLHR-ART
13h 55m2 stops
$1,173American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
6:22 am - 7:00 amART-LHR
20h 38m2 stops
American Airlines Logo
8:50 am - 10:20 pmLHR-ART
18h 30m2 stops
$1,178American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
4:37 pm - 7:50 amART-LHR
11h 13m1 stop
American Airlines Logo
1:45 pm - 10:20 pmLHR-ART
13h 35m1 stop
$1,203American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
Multiple Airlines Logo
6:00 am - 6:35 amART-LHR
19h 35m1 stop
Multiple Airlines Logo
1:10 pm - 9:23 pmLHR-ART
13h 13m1 stop
$3,350Multiple Airlines
Find Deal
Thu, Jan 1 - Tue, Jan 6

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

Our best American Airlines deals on Watertown, New York to London Heathrow Airport flight tickets
American Airlines
Mar 27
ART4:37 pmWatertown
11h 13m
1 stop
LHR7:50 amLondon Heathrow
Mar 31
LHR7:50 amLondon Heathrow
36h 05m
2 stops
ART2:55 pmWatertown
$982
Find similar
American Airlines
Mar 27
ART4:37 pmWatertown
11h 13m
1 stop
LHR7:50 amLondon Heathrow
Mar 31
LHR7:45 amLondon Heathrow
36h 10m
2 stops
ART2:55 pmWatertown
$985
Find similar
American Airlines
Mar 27
ART4:37 pmWatertown
12h 38m
2 stops
LHR9:15 amLondon Heathrow
Mar 31
LHR7:50 amLondon Heathrow
36h 05m
2 stops
ART2:55 pmWatertown
$986
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Watertown, New York to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Watertown, New York to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WatertownLondon

ART - LHR

ARTLHR

Watertown

Fri 3/27

4:37 pm-7:50 am

1 stop11h 13m

London Heathrow

Tue 3/31

7:50 am-2:55 pm

2 stops36h 05m

$982

WatertownLondon

ART - LHR

ARTLHR

Watertown

Fri 3/27

4:37 pm-7:50 am

1 stop11h 13m

London Heathrow

Tue 3/31

7:45 am-2:55 pm

2 stops36h 10m

$985

WatertownLondon

ART - LHR

ARTLHR

Watertown

Fri 3/27

4:37 pm-9:15 am

2 stops12h 38m

London Heathrow

Tue 3/31

7:50 am-2:55 pm

2 stops36h 05m

$986

WatertownLondon

ART - LHR

ARTLHR

Watertown

Fri 3/27

6:22 am-7:00 am

2 stops20h 38m

London Heathrow

Tue 3/31

7:45 am-2:55 pm

2 stops36h 10m

$989

WatertownLondon

ART - LHR

ARTLHR

Watertown

Fri 3/27

4:37 pm-7:50 am

1 stop11h 13m

London Heathrow

Tue 3/31

1:45 pm-10:20 pm

1 stop13h 35m

$1,004

WatertownLondon

ART - LHR

ARTLHR

Watertown

Fri 3/27

4:37 pm-7:50 am

1 stop11h 13m

London Heathrow

Tue 3/31

1:25 pm-10:20 pm

2 stops13h 55m

$1,173

WatertownLondon

ART - LHR

ARTLHR

Watertown

Fri 3/27

6:22 am-7:00 am

2 stops20h 38m

London Heathrow

Tue 3/31

8:50 am-10:20 pm

2 stops18h 30m

$1,178

WatertownLondon

ART - LHR

ARTLHR

Watertown

Fri 3/27

4:37 pm-7:50 am

1 stop11h 13m

London Heathrow

Tue 3/31

1:45 pm-10:20 pm

1 stop13h 35m

$1,203

WatertownLondon

ART - LHR

ARTLHR

Watertown

Thu 1/1

6:00 am-6:35 am

1 stop19h 35m

London Heathrow

Tue 1/6

1:10 pm-9:23 pm

1 stop13h 13m

$3,350

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

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

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 airlines fly to London Heathrow Airport?

Delta, American Airlines and Virgin Atlantic are the top three most popular airlines that fly to London Heathrow Airport from Watertown, New York according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 6 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

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

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

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

Direct flights

None
There are no direct flights from Watertown, New York to London Heathrow Airport. There are no popular flight routes from Watertown, New York to London Heathrow Airport.
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  • How far is Watertown to London Heathrow by plane?

    London Heathrow is 3384.8 mi away from Watertown. In terms of flight time, this usually takes a little over 11h 13m.

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

    Prices for flights from Watertown Airport to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Watertown Airport to London Heathrow Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Watertown Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Watertown, New York to London Heathrow Airport?

Best airlines flying from Watertown, New York to London Heathrow Airport

Compare and see reviews for airlines that fly from Watertown, New York to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $804Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Chelmsford
Salisbury
Wembley
Folkestone
Romford
Ilford
Cobham
Swindon

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Watertown to London for you.

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

Flights from Watertown to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Watertown to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Watertown to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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