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$234+ Cheap flights from Appleton to Louisville (ATW - 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — SDF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Appleton to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Appleton (ATW) 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 September 11, 2025.

Round-trip from

$234
(American Airlines)

Popular in

March

Cheapest in

December

Average price

$376
From Appleton Intl to Louisville Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Appleton to Louisville

Cheapest flights from Appleton to Louisville
Explore the most affordable flight options available from Appleton to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 9/306:33 amATW - SDF
1 stop6h 21mAmerican Airlines
Tue 10/76:45 amSDF - ATW
1 stop3h 38mAmerican Airlines
Deal found 9/10$234
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/212:32 pmATW - SDF
1 stop5h 12mUnited Airlines
Tue 11/2511:00 amSDF - ATW
1 stop6h 42mUnited Airlines
Deal found 9/10$289
This American Airlines deal was found by Cheapflights users on 9/10. 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 11/213:43 pmATW - SDF
2 stops7h 39mAmerican Airlines
Tue 11/254:26 pmSDF - ATW
1 stop5h 53mAmerican Airlines
Deal found 9/10$294
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/96:13 pmATW - SDF
1 stop14h 10mAmerican Airlines
Tue 10/146:45 amSDF - ATW
1 stop11h 56mAmerican Airlines
Deal found 9/11$334
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/33:46 pmATW - SDF
1 stop5h 44mUnited Airlines
Mon 10/65:48 pmSDF - ATW
1 stop4h 45mUnited Airlines
Deal found 9/11$338
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/82:45 pmATW - SDF
1 stop4h 48mUnited Airlines
Wed 10/158:45 amSDF - ATW
1 stop9h 04mUnited Airlines
Deal found 9/10$339
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/86:13 pmATW - SDF
1 stop3h 50mAmerican Airlines
Wed 10/157:33 amSDF - ATW
2 stops8h 19mAmerican Airlines
Deal found 9/10$347
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/36:18 pmATW - SDF
1 stop3h 45mAmerican Airlines
Mon 10/65:02 pmSDF - ATW
2 stops7h 41mAmerican Airlines
Deal found 9/10$352

Cheapflights Fare Finder

 
Customize your flight search to find flights from Appleton 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 September 11, 2025.
Use the filters below to find and compare flights from Appleton to Louisville that are best for you.

Fly from

Appleton

Fly to

Louisville

Route

Depart

Return

Price

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Tue 9/30

6:33 am-1:54 pm

1 stop6h 21m

Louisville Intl

Tue 10/7

6:45 am-9:23 am

1 stop3h 38m

$234

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Fri 11/21

2:32 pm-8:44 pm

1 stop5h 12m

Louisville Intl

Tue 11/25

11:00 am-4:42 pm

1 stop6h 42m

$289

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Fri 11/21

3:43 pm-9:29 pm

1 stop4h 46m

Louisville Intl

Tue 11/25

6:04 am-9:16 am

1 stop4h 12m

$289

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Fri 10/3

6:30 am-1:21 pm

1 stop5h 51m

Louisville Intl

Mon 10/6

7:00 am-12:01 pm

1 stop6h 01m

$289

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Thu 10/9

6:13 pm-9:23 am

1 stop14h 10m

Louisville Intl

Tue 10/14

6:45 am-5:41 pm

1 stop11h 56m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Appleton to Louisville

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

What is the cheapest month to book a flight from Appleton to Louisville?

Currently, January is the cheapest month in which you can book a flight from Appleton to Louisville (average of $299). Flying from Appleton to Louisville in April is currently the most expensive (average of $369). 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 Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Appleton to Louisville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Appleton 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 Appleton to Louisville?

    There are many flights that can get you from Appleton to Louisville in 5h 12m. Fly via American Airlines or United Airlines to get the fastest option. The distance from Appleton to Louisville is about 444 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Appleton to Louisville round-trip?

    Currently priced at $228, American Airlines will fly you from Appleton to Louisville and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $233 and $248, respectively. American Airlines is currently priced 37% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Appleton 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 Appleton to Louisville?

    Currently, January is the cheapest month in which you can book a flight from Appleton to Louisville (average of $299). Flying from Appleton to Louisville in April is currently the most expensive (average of $369). 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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Top 3 airlines flying from Appleton to Louisville

Discover the top 3 airlines that operate flights from Appleton to Louisville. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$334FlexibilityNo cancel feeOn-time71%
DeltaCheapest$233Average$311FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$358FlexibilityNo cancel feeOn-time69%

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