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$216+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — SDF
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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Cheap 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 March 11, 2026.

This Delta deal was found by Cheapflights users on 3/6. 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 10/245:29 am
ATW
-
SDF
1 stop5h 07m
Delta
Thu 10/2910:15 am
SDF
-
ATW
1 stop3h 31m
Delta
Deal found 3/6$269
This American Airlines deal was found by Cheapflights users on 3/7. 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.
Mon 4/61:25 pm
ATW
-
SDF
2 stops10h 02m
American Airlines
Mon 4/136:00 am
SDF
-
ATW
1 stop5h 27m
American Airlines
Deal found 3/7$274
This American Airlines deal was found by Cheapflights users on 3/9. 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 3/246:39 pm
ATW
-
SDF
1 stop3h 41m
American Airlines
Sat 3/287:30 am
SDF
-
ATW
1 stop6h 19m
American Airlines
Deal found 3/9$279
This United Airlines deal was found by Cheapflights users on 3/10. 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 5/153:45 pm
ATW
-
SDF
1 stop3h 32m
United Airlines
Mon 5/187:56 pm
SDF
-
ATW
1 stop5h 18m
United Airlines
Deal found 3/10$289
This Delta deal was found by Cheapflights users on 3/6. 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.
Fri 10/2312:06 pm
ATW
-
SDF
1 stop5h 41m
Delta
Thu 10/297:20 am
SDF
-
ATW
1 stop6h 26m
Delta
Deal found 3/6$294
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 3/2412:34 pm
ATW
-
SDF
1 stop6h 40m
United Airlines
Sat 3/285:35 am
SDF
-
ATW
1 stop3h 46m
United Airlines
Deal found 3/10$299
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 6/42:40 pm
ATW
-
SDF
1 stop6h 50m
United Airlines
Sun 6/79:00 am
SDF
-
ATW
1 stop6h 05m
United Airlines
Deal found 3/9$303
This American Airlines deal was found by Cheapflights users on 3/6. 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 3/135:40 am
ATW
-
SDF
1 stop4h 52m
American Airlines
Sun 3/156:33 am
SDF
-
ATW
1 stop3h 54m
American Airlines
Deal found 3/6$319
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 4/412:34 pm
ATW
-
SDF
1 stop6h 42m
United Airlines
Wed 4/85:48 pm
SDF
-
ATW
1 stop6h 15m
United Airlines
Deal found 3/8$329
This Delta deal was found by Cheapflights users on 3/6. 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.
Thu 10/2212:06 pm
ATW
-
SDF
1 stop5h 41m
Delta
Fri 10/307:20 am
SDF
-
ATW
1 stop6h 26m
Delta
Deal found 3/6$334

Find 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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Delta)

One-way from

$216
(American Airlines)

Popular in

February

Cheapest in

January

Average price

$416
Provider with most accurate pricing for Appleton Intl-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Appleton Intl-Louisville Intl flights.
Search Deals
From Appleton Intl to Louisville Intl
Search Deals
One-way flight from Appleton Intl to Louisville Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 11, 2026.
Use the filters below to find and compare flights from Appleton to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Mon 4/6

7:00 am-1:37 pm

1 stop5h 37m

Louisville Intl

Mon 4/13

5:36 pm-9:37 pm

1 stop5h 01m

$269

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Fri 4/24

5:35 pm-10:30 pm

1 stop3h 55m

Louisville Intl

Mon 4/27

5:48 pm-11:03 pm

1 stop6h 15m

$269

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Tue 9/1

6:30 am-12:03 pm

1 stop4h 33m

Louisville Intl

Tue 9/15

7:20 am-12:46 pm

1 stop6h 26m

$269
Quickest round-trip

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Fri 5/15

3:45 pm-8:17 pm

1 stop3h 32m

Louisville Intl

Mon 5/18

7:56 pm-12:14 am

1 stop5h 18m

$289

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Tue 3/24

1:27 pm-11:03 pm

2 stops8h 36m

Louisville Intl

Sat 3/28

7:30 am-12:49 pm

1 stop6h 19m

$304

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Sat 4/4

8:00 am-1:17 pm

1 stop4h 17m

Louisville Intl

Wed 4/8

10:00 am-3:11 pm

1 stop6h 11m

$329

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Wed 4/29

6:00 am-10:46 am

1 stop3h 46m

Louisville Intl

Tue 5/5

8:03 am-6:01 pm

2 stops10h 58m

$407

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Sun 4/12

5:35 pm-10:30 pm

1 stop3h 55m

Louisville Intl

Tue 4/14

5:48 pm-11:03 pm

1 stop6h 15m

$415
Cheapest one-way
Quickest one-way

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Tue 6/16

3:50 pm-12:28 am

2 stops7h 38m

$282

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Tue 6/16

1:53 pm-2:41 pm

3 stops47h 48m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Appleton to Louisville

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 Appleton to Louisville in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Appleton-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Appleton-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Appleton-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Appleton-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 Appleton-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 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, September is the cheapest month in which you can book a flight from Appleton to Louisville (average of $200). Flying from Appleton to Louisville in March is currently the most expensive (average of $251). 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.

How much does it cost to fly round-trip from Appleton to Louisville?

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 March 11, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
7.9
Good
8,278 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,278 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,414 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,419 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 3h 55m. Fly via Delta, United Airlines, or American 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 $233, 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 United Airlines and American Airlines - these airlines can fly you to your destination from $253 and $268, respectively. Delta is currently priced 36% 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, September is the cheapest month in which you can book a flight from Appleton to Louisville (average of $200). Flying from Appleton to Louisville in March is currently the most expensive (average of $251). 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$233Average$297FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$253Average$338FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$332FlexibilityNo cancel feeOn-time71%

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