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Cheap flights from Watertown, New York to London from $1,084

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 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
4:00 pm - 10:10 am
ART
-
LHR
13h 10m
2 stops
American Airlines Logo
7:50 am - 11:52 pm
LHR
-
ART
21h 02m
2 stops
$1,084American Airlines
Tue, Oct 6 - Wed, Oct 14
American Airlines Logo
6:00 am - 10:20 am
ART
-
LHR
23h 20m
2 stops
American Airlines Logo
3:50 pm - 7:01 pm
LHR
-
ART
32h 11m
2 stops
$1,086American Airlines
Tue, Oct 6 - Mon, Oct 12
American Airlines Logo
4:00 pm - 6:55 pm
ART
-
LHR
21h 55m
2 stops
American Airlines Logo
7:50 am - 11:52 pm
LHR
-
ART
21h 02m
2 stops
$1,093American Airlines
Sat, Oct 10 - Wed, Oct 14
Multiple Airlines Logo
4:00 pm - 10:10 am
ART
-
LHR
13h 10m
2 stops
Multiple Airlines Logo
12:55 pm - 11:52 pm
LHR
-
ART
15h 57m
2 stops
$1,101Multiple Airlines
Wed, Oct 7 - Sun, Oct 11
Multiple Airlines Logo
6:00 am - 10:10 am
ART
-
LHR
23h 10m
2 stops
Multiple Airlines Logo
6:10 pm - 11:52 pm
LHR
-
ART
34h 42m
2 stops
$1,114Multiple Airlines
Thu, Oct 8 - Mon, Oct 12
American Airlines Logo
4:00 pm - 6:55 pm
ART
-
LHR
21h 55m
2 stops
American Airlines Logo
12:00 pm - 11:52 pm
LHR
-
ART
16h 52m
2 stops
$1,118American Airlines
Sat, Oct 10 - Tue, Oct 13
Multiple Airlines Logo
6:00 am - 6:55 am
ART
-
LHR
19h 55m
2 stops
Multiple Airlines Logo
3:50 pm - 11:52 pm
LHR
-
ART
37h 02m
2 stops
$1,129Multiple Airlines
Fri, Oct 9 - Mon, Oct 12
Iberia Logo
5:25 pm - 2:55 pm
ART
-
LHR
16h 30m
2 stops
Iberia Logo
6:10 pm - 10:27 pm
LHR
-
ART
33h 17m
2 stops
$1,134Iberia
Thu, Oct 8 - Mon, Oct 12
Multiple Airlines Logo
6:00 am - 8:05 am
ART
-
LHR
21h 05m
2 stops
Multiple Airlines Logo
12:00 pm - 10:27 pm
LHR
-
ART
15h 27m
2 stops
$1,143Multiple Airlines
Fri, Oct 9 - Tue, Oct 13
British Airways Logo
4:00 pm - 10:10 am
ART
-
LHR
13h 10m
2 stops
British Airways Logo
1:25 pm - 11:52 pm
LHR
-
ART
15h 27m
2 stops
$1,146British Airways
Thu, Oct 8 - Sun, Oct 11

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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
Aug 13
ART4:00 pmWatertown
13h 10m
2 stops
LHR10:10 amLondon Heathrow
Aug 20
LHR1:45 pmLondon Heathrow
14h 10m
1 stop
ART10:55 pmWatertown
$1,003
American Airlines
Aug 13
ART4:00 pmWatertown
13h 10m
2 stops
LHR10:10 amLondon Heathrow
Aug 20
LHR12:15 pmLondon Heathrow
15h 40m
2 stops
ART10:55 pmWatertown
$1,007
American Airlines
Oct 6
ART4:00 pmWatertown
13h 10m
2 stops
LHR10:10 amLondon Heathrow
Oct 14
LHR7:50 amLondon Heathrow
21h 02m
2 stops
ART11:52 pmWatertown
$1,084

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
Oct 8
ART4:00 pmWatertown
13h 10m
2 stops
LHR10:10 amLondon Heathrow
Oct 11
LHR1:25 pmLondon Heathrow
15h 27m
2 stops
ART11:52 pmWatertown
$1,146
British Airways
Oct 8
ART4:00 pmWatertown
13h 10m
2 stops
LHR10:10 amLondon Heathrow
Oct 13
LHR12:30 pmLondon Heathrow
16h 22m
2 stops
ART11:52 pmWatertown
$1,147
British Airways
Oct 9
ART4:00 pmWatertown
13h 10m
2 stops
LHR10:10 amLondon Heathrow
Oct 11
LHR1:45 pmLondon Heathrow
15h 07m
1 stop
ART11:52 pmWatertown
$1,239

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 June 29, 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

Tue 10/6

4:00 pm-10:10 am

2 stops13h 10m

London Heathrow

Wed 10/14

7:50 am-11:52 pm

2 stops21h 02m

$1,084

WatertownLondon

ART - LHR

ARTLHR

Watertown

Tue 10/6

6:00 am-10:20 am

2 stops23h 20m

London Heathrow

Mon 10/12

3:50 pm-7:01 pm

2 stops32h 11m

$1,086

WatertownLondon

ART - LHR

ARTLHR

Watertown

Sat 10/10

4:00 pm-6:55 pm

2 stops21h 55m

London Heathrow

Wed 10/14

7:50 am-11:52 pm

2 stops21h 02m

$1,093

WatertownLondon

ART - LHR

ARTLHR

Watertown

Wed 10/7

4:00 pm-10:10 am

2 stops13h 10m

London Heathrow

Sun 10/11

12:55 pm-11:52 pm

2 stops15h 57m

$1,101

WatertownLondon

ART - LHR

ARTLHR

Watertown

Thu 10/8

6:00 am-10:10 am

2 stops23h 10m

London Heathrow

Mon 10/12

6:10 pm-11:52 pm

2 stops34h 42m

$1,114

WatertownLondon

ART - LHR

ARTLHR

Watertown

Sat 10/10

4:00 pm-6:55 pm

2 stops21h 55m

London Heathrow

Tue 10/13

12:00 pm-11:52 pm

2 stops16h 52m

$1,118

WatertownLondon

ART - LHR

ARTLHR

Watertown

Fri 10/9

6:00 am-6:55 am

2 stops19h 55m

London Heathrow

Mon 10/12

3:50 pm-11:52 pm

2 stops37h 02m

$1,129

WatertownLondon

ART - LHR

ARTLHR

Watertown

Thu 10/8

5:25 pm-2:55 pm

2 stops16h 30m

London Heathrow

Mon 10/12

6:10 pm-10:27 pm

2 stops33h 17m

$1,134

WatertownLondon

ART - LHR

ARTLHR

Watertown

Fri 10/9

6:00 am-8:05 am

2 stops21h 05m

London Heathrow

Tue 10/13

12:00 pm-10:27 pm

2 stops15h 27m

$1,143
Quickest round-trip

WatertownLondon

ART - LHR

ARTLHR

Watertown

Thu 10/8

4:00 pm-10:10 am

2 stops13h 10m

London Heathrow

Sun 10/11

1:25 pm-11:52 pm

2 stops15h 27m

$1,146

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 United 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 35% 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

19h 55m

Direct flights

None
The fastest flight from Watertown, New York to London Heathrow Airport takes 19h 55m
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 19h 55m.

  • 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
Luton
Hayes
Dover
Crawley
Croydon
Wembley
Stansted
Stratford-upon-Avon
Harrow
Slough
Watford
Ilford
Cobham
Brentwood
Folkestone
Guildford
Romford

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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