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Cheap flights from Louisville to Watertown from $475

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Watertown departing on 3/10. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:56 am - 2:55 pmSDF-ART
6h 59m1 stop
American Airlines Logo
4:37 pm - 8:55 pmART-SDF
4h 18m1 stop
$475American Airlines
Find Deal
Tue, Mar 10 - Sat, Mar 14
American Airlines Logo
7:56 am - 2:55 pmSDF-ART
6h 59m1 stop
American Airlines Logo
4:37 pm - 8:55 pmART-SDF
4h 18m1 stop
$480American Airlines
Find Deal
Tue, Mar 10 - Sat, Mar 14
American Airlines Logo
6:54 am - 2:55 pmSDF-ART
8h 01m2 stops
American Airlines Logo
6:22 am - 2:38 pmART-SDF
8h 16m2 stops
$486American Airlines
Find Deal
Tue, Mar 10 - Sat, Mar 14
American Airlines Logo
6:54 am - 2:55 pmSDF-ART
8h 01m2 stops
American Airlines Logo
6:22 am - 2:38 pmART-SDF
8h 16m2 stops
$491American Airlines
Find Deal
Tue, Mar 10 - Sat, Mar 14

American Airlines flights from Louisville to Watertown, New York

Our best American Airlines deals on Louisville to Watertown, New York flight tickets
American Airlines
Mar 10
SDF7:56 amLouisville Intl
6h 59m
1 stop
ART2:55 pmWatertown
Mar 14
ART4:37 pmWatertown
4h 18m
1 stop
SDF8:55 pmLouisville Intl
$475
Find similar
American Airlines
Mar 10
SDF7:56 amLouisville Intl
6h 59m
1 stop
ART2:55 pmWatertown
Mar 14
ART4:37 pmWatertown
4h 18m
1 stop
SDF8:55 pmLouisville Intl
$480
Find similar
American Airlines
Mar 10
SDF6:54 amLouisville Intl
8h 01m
2 stops
ART2:55 pmWatertown
Mar 14
ART6:22 amWatertown
8h 16m
2 stops
SDF2:38 pmLouisville Intl
$486
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Watertown, New York 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 October 22, 2025.
Use the filters below to find and compare flights from Louisville to Watertown, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleWatertown

SDF - ART

SDFART

Louisville Intl

Tue 3/10

7:56 am-2:55 pm

1 stop6h 59m

Watertown

Sat 3/14

4:37 pm-8:55 pm

1 stop4h 18m

$475

LouisvilleWatertown

SDF - ART

SDFART

Louisville Intl

Tue 3/10

7:56 am-2:55 pm

1 stop6h 59m

Watertown

Sat 3/14

4:37 pm-8:55 pm

1 stop4h 18m

$480

LouisvilleWatertown

SDF - ART

SDFART

Louisville Intl

Tue 3/10

6:54 am-2:55 pm

2 stops8h 01m

Watertown

Sat 3/14

6:22 am-2:38 pm

2 stops8h 16m

$486

LouisvilleWatertown

SDF - ART

SDFART

Louisville Intl

Tue 3/10

6:54 am-2:55 pm

2 stops8h 01m

Watertown

Sat 3/14

6:22 am-2:38 pm

2 stops8h 16m

$491

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 Watertown, New York?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Watertown, New York from Louisville according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Watertown, New York. Keep in mind that there are 3 different airlines that fly to Watertown, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Louisville to Watertown, New York

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

Cheap Louisville to Watertown, New York (SDF to ART) flight deals and tips

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

Direct flights

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

    A flight from Louisville Intl to Watertown will travel around 646.1 mi. By plane, this route typically takes 6h 59m.

  • When did momondo last update prices for flights from Louisville Intl Airport to Watertown Airport?

    Prices for flights from Louisville Intl Airport to Watertown Airport were last updated today.

  • How old do you have to be to fly from Louisville Intl Airport to Watertown 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 Louisville Intl Airport to Watertown Airport.

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

    The necessary travel and health documents for your Watertown 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 Watertown?

Book flights to Watertown if you plan to visit one of these locations
Alexandria Bay
Clayton

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Watertown from Louisville.

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

Flights from Louisville to Watertown 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 Louisville to Watertown?

momondo helps you find the best flight between Louisville and Watertown by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Watertown from Louisville. 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.

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