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$149+ Cheap flights from Appleton to Louisville (ATW - SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — SDF
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$229
(Delta)

One-way from

$149
(American Airlines)

Popular in

March

Cheapest in

December

Average price

$493
From Appleton Intl to Louisville Intl
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One-way flight from Appleton Intl to Louisville Intl
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Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/304:12 pmATW - SDF
1 stop5h 48mDelta
Mon 9/17:14 pmSDF - ATW
1 stop4h 03mDelta
Deal found 7/27$229
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 10/43:45 pmATW - SDF
1 stop4h 48mAmerican Airlines
Wed 10/87:33 amSDF - ATW
2 stops8h 19mAmerican Airlines
Deal found 7/26$234
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/223:24 pmATW - SDF
1 stop5h 45mUnited Airlines
Fri 12/269:00 amSDF - ATW
1 stop4h 10mUnited Airlines
Deal found 7/28$451
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:00 amATW - SDF
2 stops24h 19mMultiple Airlines
Sun 9/1410:14 amSDF - ATW
2 stops25h 28mMultiple Airlines
Deal found 7/28$485
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/284:22 pmATW - SDF
1 stop15h 45mAllegiant Air
Fri 8/18:19 pmSDF - ATW
1 stop12h 05mAllegiant Air
Deal found 7/27$511

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 July 29, 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

Sat 8/30

4:12 pm-11:00 pm

1 stop5h 48m

Louisville Intl

Mon 9/1

7:14 pm-10:17 pm

1 stop4h 03m

$229

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Sat 10/4

3:45 pm-9:33 pm

1 stop4h 48m

Louisville Intl

Wed 10/8

7:33 am-2:52 pm

2 stops8h 19m

$234

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Mon 12/22

3:24 pm-10:09 pm

1 stop5h 45m

Louisville Intl

Fri 12/26

9:00 am-12:10 pm

1 stop4h 10m

$451

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Fri 9/12

8:00 am-9:19 am

2 stops24h 19m

Louisville Intl

Sun 9/14

10:14 am-10:42 am

2 stops25h 28m

$466

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Tue 8/19

3:25 pm-11:08 pm

1 stop6h 43m

$149

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Tue 8/19

2:41 pm-2:34 pm

3 stops22h 53m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 July 29, 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
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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.

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

    Currently priced at $229, Delta will fly you from Appleton to Louisville and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $234 and $451, respectively. Delta 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$334FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$309FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$361FlexibilityNo cancel feeOn-time69%

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