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$338+ Cheap flights from Watertown, NY to Louisville (ART - SDF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
ART — SDF
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Watertown to Louisville

Cheapest flights from Watertown to Louisville
Explore the most affordable flight options available from Watertown to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:00 am
ART
-
SDF
1 stop4h 58m
American Airlines
Mon 3/233:49 pm
SDF
-
ART
1 stop7h 06m
American Airlines
Deal found 1/28$338

Find flight deals from Watertown to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Watertown (ART) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$338
(American Airlines)
Provider with most accurate pricing for Watertown-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Watertown-Louisville Intl flights.
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From Watertown to Louisville Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Watertown to Louisville 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Watertown to Louisville that are best for you.

Fly from

Watertown

Fly to

Louisville

Route

Depart

Return

Price

WatertownLouisville

ART - SDF

ARTSDF

Watertown

Fri 3/20

6:00 am-10:58 am

1 stop4h 58m

Louisville Intl

Mon 3/23

3:49 pm-10:55 pm

1 stop7h 06m

$338

WatertownLouisville

ART - SDF

ARTSDF

Watertown

Fri 2/20

4:06 pm-9:13 pm

1 stop5h 07m

$475

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

  • Most accurate provider: When it comes to deals on Watertown, New York-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Watertown, New York-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Watertown, New York-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Watertown, New York-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Watertown, New York-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Watertown to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Watertown with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Watertown to Louisville

What is the cheapest month to book a flight from Watertown, New York to Louisville?

Currently, April is the cheapest month in which you can book a flight from Watertown, New York to Louisville (average of $108). Flying from Watertown, New York to Louisville in September is currently the most expensive (average of $263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Watertown to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Watertown, New York to Louisville?

    Departing from Watertown, New York to Louisville will take you 4h 58m. Watertown, New York and Louisville are separated by a distance of 645 mi.

  • Can I find deals for flights from Watertown to Louisville that include hotel bookings?

    Yes. In addition to deals on Watertown to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Watertown to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Watertown to Louisville.

  • Can I find deals for business class flights from Watertown to Louisville?

    Yes. Cheapflights offers flight deals from Watertown to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Watertown, New York to Louisville?

    Currently, April is the cheapest month in which you can book a flight from Watertown, New York to Louisville (average of $108). Flying from Watertown, New York to Louisville in September is currently the most expensive (average of $263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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