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$388+ Cheap flights from Louisville to Watertown, NY (SDF - ART)

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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ART
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
1 adult, Economy
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Cheap flight deals from Louisville to Watertown

Cheapest flights from Louisville to Watertown
Explore the most affordable flight options available from Louisville to Watertown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.

This American Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 3/313:35 pm
SDF
-
ART
1 stop7h 20m
American Airlines
Sat 4/44:01 pm
ART
-
SDF
1 stop5h 19m
American Airlines
Deal found 3/16$388
This American Airlines deal was found by Cheapflights users on 3/15. 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 7/106:25 pm
SDF
-
ART
1 stop4h 28m
American Airlines
Sun 7/124:09 pm
ART
-
SDF
1 stop6h 55m
American Airlines
Deal found 3/15$642

Find flight deals from Louisville to Watertown

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Watertown (ART). 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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$388
(American Airlines)
Provider with most accurate pricing for Louisville Intl-Watertown flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Watertown flights.
Search Deals
From Louisville Intl to Watertown
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Watertown 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 March 18, 2026.
Use the filters below to find and compare flights from Louisville to Watertown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleWatertown

SDF - ART

SDFART

Louisville Intl

Tue 3/31

3:35 pm-10:55 pm

1 stop7h 20m

Watertown

Sat 4/4

4:01 pm-9:20 pm

1 stop5h 19m

$388
Quickest round-trip

LouisvilleWatertown

SDF - ART

SDFART

Louisville Intl

Fri 7/10

6:25 pm-10:53 pm

1 stop4h 28m

Watertown

Sun 7/12

4:09 pm-11:04 pm

1 stop6h 55m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Sorted by cheapest first

Compare providers for flights from Louisville to Watertown

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Watertown in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Watertown, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Watertown, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Watertown, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Watertown, New York 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 Louisville-Watertown, New York 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 Louisville to Watertown

Have a flexible travel schedule? Discover the best time to fly to Watertown from Louisville 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 Louisville to Watertown

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

Currently, May is the cheapest month in which you can book a flight from Louisville to Watertown, New York (average of $198). Flying from Louisville to Watertown, New York in August is currently the most expensive (average of $318). 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 Louisville to Watertown. 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 Louisville to Watertown, New York?

    There are many flights that can get you from Louisville to Watertown, New York in 7h 20m. Fly via American Airlines to get the fastest option. The distance from Louisville to Watertown, New York is about 645 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Watertown 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 Louisville to Watertown, New York?

    Currently, May is the cheapest month in which you can book a flight from Louisville to Watertown, New York (average of $198). Flying from Louisville to Watertown, New York in August is currently the most expensive (average of $318). 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 Watertown?

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Alexandria Bay

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