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

Prices for flights from Watertown Airport to London are updated daily.

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

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.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London 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.

$764 Cheap Flights from Watertown to London in 2025/26

1 adult

0 bags

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Find the cheapest flights from Watertown, New York to London

Round-trip

One-way

Cheap round-trip flights

6:00 am - 7:55 amART-LHR

20h 55m1 stop

10:05 am - 4:02 pmLHR-ART

10h 57m1 stop

$764American Airlines

Find Deal

Wed, Oct 1 - Sun, Oct 5

2:45 pm - 9:40 amART-LHR

14h 55m2 stops

11:00 am - 10:56 pmLHR-ART

16h 56m2 stops

$768American Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

4:27 pm - 10:10 amART-LHR

12h 43m2 stops

10:05 am - 10:50 pmLHR-ART

17h 45m2 stops

$774American Airlines

Find Deal

Wed, Oct 1 - Sun, Oct 5

2:45 pm - 7:50 amART-LHR

13h 05m1 stop

1:10 pm - 10:56 pmLHR-ART

14h 46m1 stop

$871American Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

6:00 am - 6:40 amART-LHR

19h 40m1 stop

1:30 pm - 10:56 pmLHR-ART

14h 26m1 stop

$3,528Multiple Airlines

Find Deal

Wed, Oct 1 - Thu, Oct 23

American Airlines flights from Watertown, New York to London

Our best American Airlines deals on Watertown, New York to London flight tickets

American Airlines

Oct 1

ART6:00 amWatertown

20h 55m

1 stop

LHR7:55 amLondon Heathrow

Oct 5

LHR10:05 amLondon Heathrow

10h 57m

1 stop

ART4:02 pmWatertown

$764

Find similar

American Airlines

Oct 31

ART2:45 pmWatertown

14h 55m

2 stops

LHR9:40 amLondon Heathrow

Nov 7

LHR11:00 amLondon Heathrow

16h 56m

2 stops

ART10:56 pmWatertown

$768

Find similar

American Airlines

Oct 1

ART4:27 pmWatertown

12h 43m

2 stops

LHR10:10 amLondon Heathrow

Oct 5

LHR10:05 amLondon Heathrow

17h 45m

2 stops

ART10:50 pmWatertown

$774

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Watertown, New York to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WatertownLondon

ART - LHR

ARTLHR

Watertown

Wed 10/1

6:00 am-7:55 am

1 stop20h 55m

London Heathrow

Sun 10/5

10:05 am-4:02 pm

1 stop10h 57m

$764

WatertownLondon

ART - LHR

ARTLHR

Watertown

Fri 10/31

2:45 pm-9:40 am

2 stops14h 55m

London Heathrow

Fri 11/7

11:00 am-10:56 pm

2 stops16h 56m

$768

WatertownLondon

ART - LHR

ARTLHR

Watertown

Wed 10/1

4:27 pm-10:10 am

2 stops12h 43m

London Heathrow

Sun 10/5

10:05 am-10:50 pm

2 stops17h 45m

$774

WatertownLondon

ART - LHR

ARTLHR

Watertown

Fri 10/31

2:45 pm-7:50 am

1 stop13h 05m

London Heathrow

Fri 11/7

1:10 pm-10:56 pm

1 stop14h 46m

$871

WatertownLondon

ART - LHR

ARTLHR

Watertown

Wed 10/1

6:00 am-6:40 am

1 stop19h 40m

London Heathrow

Thu 10/23

1:30 pm-10:56 pm

1 stop14h 26m

$3,528

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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?

Delta, American Airlines and Virgin Atlantic are the top three most popular airlines that fly to London from Watertown, New York according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to London. Keep in mind that there are 6 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

When to book flights from Watertown, New York to London

Are you open to changing your travel dates? Check out the ideal times to fly from Watertown, New York to London 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 (ART to LON) flight deals and tips

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

Direct flights	None

There are no direct flights from Watertown, New York to London. There are no popular flight routes from Watertown, New York to London.

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How far is Watertown to London by plane?
There are 3397.1 mi between Watertown and London. By plane, this route typically takes 12h 43m.
When did momondo last update prices for flights from Watertown Airport to London?
Prices for flights from Watertown Airport to London are updated daily.
How old do you have to be to fly from Watertown Airport to London?
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.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London 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.

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Folkestone

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Watford

Wembley

Richmond

Croydon

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?

Yes. momondo enables you to select and highlight flights to London from Watertown with this policy.

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?

Yes momondo offers price alerts on flights to London from Watertown. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.