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Cheap flights from Watertown, New York to London from $1,296

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 7/11. 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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Find the cheapest flights from Watertown, New York to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:00 am - 9:05 am
ART
-
LHR
22h 05m
2 stops
British Airways Logo
8:10 pm - 3:57 pm
LHR
-
ART
24h 47m
2 stops
$1,296British Airways
Sat, Jul 11 - Sat, Jul 18
Multiple Airlines Logo
4:06 pm - 4:00 pm
ART
-
LHR
18h 54m
2 stops
Multiple Airlines Logo
9:15 am - 10:52 pm
LHR
-
ART
18h 37m
1 stop
$1,390Multiple Airlines
Tue, Jun 23 - Tue, Jun 30
British Airways Logo
6:00 am - 6:50 am
ART
-
LHR
19h 50m
1 stop
British Airways Logo
8:10 pm - 3:57 pm
LHR
-
ART
24h 47m
2 stops
$1,421British Airways
Sat, Jul 11 - Sat, Jul 18
British Airways Logo
6:00 am - 10:10 am
ART
-
LHR
23h 10m
2 stops
British Airways Logo
8:35 pm - 10:53 pm
LHR
-
ART
31h 18m
2 stops
$1,423British Airways
Thu, Jul 9 - Sat, Jul 18
British Airways Logo
4:22 pm - 12:10 pm
ART
-
LHR
14h 48m
2 stops
British Airways Logo
8:10 pm - 3:57 pm
LHR
-
ART
24h 47m
2 stops
$1,426British Airways
Sat, Jul 11 - Sat, Jul 18
British Airways Logo
4:22 pm - 6:50 am
ART
-
LHR
9h 28m
1 stop
British Airways Logo
8:35 pm - 10:53 pm
LHR
-
ART
31h 18m
2 stops
$1,444British Airways
Thu, Jul 9 - Sat, Jul 18
Multiple Airlines Logo
4:22 pm - 6:50 am
ART
-
LHR
9h 28m
1 stop
Multiple Airlines Logo
1:45 pm - 10:53 pm
LHR
-
ART
14h 08m
1 stop
$1,542Multiple Airlines
Thu, Jul 9 - Sat, Jul 18
Multiple Airlines Logo
4:22 pm - 6:50 am
ART
-
LHR
9h 28m
1 stop
Multiple Airlines Logo
1:45 pm - 10:53 pm
LHR
-
ART
14h 08m
1 stop
$1,543Multiple Airlines
Thu, Jul 9 - Sat, Jul 18
American Airlines Logo
4:06 pm - 12:00 pm
ART
-
LHR
14h 54m
2 stops
American Airlines Logo
10:05 am - 10:52 pm
LHR
-
ART
17h 47m
2 stops
$1,549American Airlines
Tue, Jun 23 - Tue, Jun 30
American Airlines Logo
4:06 pm - 6:50 am
ART
-
LHR
9h 44m
1 stop
American Airlines Logo
9:15 am - 10:52 pm
LHR
-
ART
18h 37m
1 stop
$1,628American Airlines
Tue, Jun 23 - Tue, Jun 30

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
Jun 23
ART4:06 pmWatertown
14h 54m
2 stops
LHR12:00 pmLondon Heathrow
Jun 30
LHR10:05 amLondon Heathrow
17h 47m
2 stops
ART10:52 pmWatertown
$1,549
American Airlines
Jun 23
ART4:06 pmWatertown
9h 44m
1 stop
LHR6:50 amLondon Heathrow
Jun 30
LHR9:15 amLondon Heathrow
18h 37m
1 stop
ART10:52 pmWatertown
$1,628
American Airlines
Jul 9
ART6:00 amWatertown
19h 50m
1 stop
LHR6:50 amLondon Heathrow
Jul 18
LHR10:05 amLondon Heathrow
17h 48m
2 stops
ART10:53 pmWatertown
$1,668

British Airways flights from Watertown, New York to London Heathrow Airport

Our best British Airways deals on Watertown, New York to London Heathrow Airport flight tickets
British Airways
Jul 11
ART6:00 amWatertown
22h 05m
2 stops
LHR9:05 amLondon Heathrow
Jul 18
LHR8:10 pmLondon Heathrow
24h 47m
2 stops
ART3:57 pmWatertown
$1,296
British Airways
Jul 11
ART6:00 amWatertown
19h 50m
1 stop
LHR6:50 amLondon Heathrow
Jul 18
LHR8:10 pmLondon Heathrow
24h 47m
2 stops
ART3:57 pmWatertown
$1,421
British Airways
Jul 9
ART6:00 amWatertown
23h 10m
2 stops
LHR10:10 amLondon Heathrow
Jul 18
LHR8:35 pmLondon Heathrow
31h 18m
2 stops
ART10:53 pmWatertown
$1,423

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 May 10, 2026.
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

Cheapest round-trip

WatertownLondon

ART - LHR

ARTLHR

Watertown

Sat 7/11

6:00 am-9:05 am

2 stops22h 05m

London Heathrow

Sat 7/18

8:10 pm-3:57 pm

2 stops24h 47m

$1,296

WatertownLondon

ART - LHR

ARTLHR

Watertown

Tue 6/23

4:06 pm-4:00 pm

2 stops18h 54m

London Heathrow

Tue 6/30

9:15 am-10:52 pm

1 stop18h 37m

$1,390

WatertownLondon

ART - LHR

ARTLHR

Watertown

Sat 7/11

6:00 am-6:50 am

1 stop19h 50m

London Heathrow

Sat 7/18

8:10 pm-3:57 pm

2 stops24h 47m

$1,421

WatertownLondon

ART - LHR

ARTLHR

Watertown

Thu 7/9

6:00 am-10:10 am

2 stops23h 10m

London Heathrow

Sat 7/18

8:35 pm-10:53 pm

2 stops31h 18m

$1,423

WatertownLondon

ART - LHR

ARTLHR

Watertown

Sat 7/11

4:22 pm-12:10 pm

2 stops14h 48m

London Heathrow

Sat 7/18

8:10 pm-3:57 pm

2 stops24h 47m

$1,426

WatertownLondon

ART - LHR

ARTLHR

Watertown

Thu 7/9

4:22 pm-6:50 am

1 stop9h 28m

London Heathrow

Sat 7/18

8:35 pm-10:53 pm

2 stops31h 18m

$1,444
Quickest round-trip

WatertownLondon

ART - LHR

ARTLHR

Watertown

Thu 7/9

4:22 pm-6:50 am

1 stop9h 28m

London Heathrow

Sat 7/18

1:45 pm-10:53 pm

1 stop14h 08m

$1,542

WatertownLondon

ART - LHR

ARTLHR

Watertown

Thu 7/9

4:22 pm-6:50 am

1 stop9h 28m

London Heathrow

Sat 7/18

1:45 pm-10:53 pm

1 stop14h 08m

$1,543

WatertownLondon

ART - LHR

ARTLHR

Watertown

Tue 6/23

4:06 pm-12:00 pm

2 stops14h 54m

London Heathrow

Tue 6/30

10:05 am-10:52 pm

2 stops17h 47m

$1,549

WatertownLondon

ART - LHR

ARTLHR

Watertown

Tue 6/23

4:06 pm-6:50 am

1 stop9h 44m

London Heathrow

Tue 6/30

9:15 am-10:52 pm

1 stop18h 37m

$1,628

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, Virgin Atlantic and American Airlines 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 5 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

Fastest flight time

14h 25m

Direct flights

None
The fastest flight from Watertown, New York to London Heathrow Airport takes 14h 25m
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.
Search flight deals

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

  • 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 14h 25m.

  • 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 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Dover
Luton
Hayes
Stratford-upon-Avon
Crawley
Wembley
Slough
Stansted
Watford
Croydon
Brentwood
Dartford
Cobham
Folkestone
Romford
Harrow
Uxbridge

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.

An easier way to manage your London Heathrow Airport trip

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