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$571+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ART
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap 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 July 31, 2025.

Round-trip from

$571
(American Airlines)
From Louisville Intl to Watertown
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Find 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 July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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 8/157:33 amSDF - ART
1 stop7h 16mAmerican Airlines
Tue 8/196:00 amART - SDF
1 stop4h 25mAmerican Airlines
Deal found 7/30$571

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 July 31, 2025.
Use the filters below to find and compare flights from Louisville to Watertown that are best for you.

Fly from

Louisville

Fly to

Watertown

Route

Depart

Return

Price

LouisvilleWatertown

SDF - ART

SDFART

Louisville Intl

Fri 8/15

7:33 am-2:49 pm

1 stop7h 16m

Watertown

Tue 8/19

6:00 am-10:25 am

1 stop4h 25m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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, February is the cheapest month in which you can book a flight from Louisville to Watertown, New York (average of $187). Flying from Louisville to Watertown, New York in May is currently the most expensive (average of $423). 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.

Reviews of airlines servicing Watertown

Get insights into the airlines that provide service to Watertown. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Watertown. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with American Airlines from Louisville to Watertown by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Comfort

7.2

Food

6.5

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Comfort

7.2

Food

6.5

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

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.

  • What is the cheapest airline to fly from Louisville to Watertown, New York round-trip?

    Cheapflights users have booked flights from Louisville to Watertown, New York round-trip from $571.

  • 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, February is the cheapest month in which you can book a flight from Louisville to Watertown, New York (average of $187). Flying from Louisville to Watertown, New York in May is currently the most expensive (average of $423). 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?

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

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Alternative routes for Louisville to Watertown

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Top airline flying from Louisville to Watertown

Discover the top airline that operate flights from Louisville to Watertown. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$306Average$388FlexibilityNo cancel feeOn-time71%

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