HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$249+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — SDF
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Appleton to Louisville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 27, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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.
Tue 2/1711:22 am
ATW
-
SDF
1 stop5h 28m
Delta
Sat 2/217:50 am
SDF
-
ATW
1 stop3h 55m
Delta
Deal found 1/27$249
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/176:39 pm
ATW
-
SDF
1 stop3h 37m
American Airlines
Sat 2/213:49 pm
SDF
-
ATW
2 stops8h 56m
American Airlines
Deal found 1/27$254
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 2/116:32 pm
ATW
-
SDF
1 stop3h 47m
American Airlines
Sun 2/156:10 am
SDF
-
ATW
1 stop3h 56m
American Airlines
Deal found 1/26$259
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/24:20 pm
ATW
-
SDF
1 stop5h 46m
Delta
Mon 2/96:23 am
SDF
-
ATW
1 stop6h 00m
Delta
Deal found 1/26$279
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 2/121:25 pm
ATW
-
SDF
2 stops8h 18m
American Airlines
Sun 2/156:10 am
SDF
-
ATW
1 stop3h 56m
American Airlines
Deal found 1/26$284
This American Airlines deal was found by Cheapflights users on 1/26. 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 4/181:42 pm
ATW
-
SDF
2 stops7h 21m
American Airlines
Wed 4/229:43 am
SDF
-
ATW
2 stops9h 07m
American Airlines
Deal found 1/26$285
This United Airlines deal was found by Cheapflights users on 1/25. 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 3/273:41 pm
ATW
-
SDF
1 stop5h 32m
United Airlines
Mon 3/305:43 pm
SDF
-
ATW
1 stop5h 02m
United Airlines
Deal found 1/25$288
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/314:20 pm
ATW
-
SDF
1 stop5h 46m
Delta
Tue 2/105:47 pm
SDF
-
ATW
1 stop4h 59m
Delta
Deal found 1/26$289
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/24:20 pm
ATW
-
SDF
1 stop5h 46m
Delta
Sun 2/85:47 pm
SDF
-
ATW
1 stop4h 59m
Delta
Deal found 1/26$299
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 2/37:15 am
ATW
-
SDF
2 stops10h 15m
American Airlines
Sat 2/712:56 pm
SDF
-
ATW
1 stop4h 37m
American Airlines
Deal found 1/26$304
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/314:20 pm
ATW
-
SDF
1 stop5h 46m
Delta
Fri 2/63:32 pm
SDF
-
ATW
1 stop7h 14m
Delta
Deal found 1/26$309

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Delta)

Popular in

March

Cheapest in

December

Average price

$284
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
Highest demand for flights based on searches. 17% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 27, 2026.
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 2/17

11:22 am-5:50 pm

1 stop5h 28m

Louisville Intl

Sat 2/21

7:50 am-10:45 am

1 stop3h 55m

$249

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Sat 4/18

11:12 am-5:22 pm

1 stop5h 10m

Louisville Intl

Wed 4/22

6:04 am-11:24 am

1 stop6h 20m

$249

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Tue 2/17

6:39 pm-11:16 pm

1 stop3h 37m

Louisville Intl

Sat 2/21

3:49 pm-11:45 pm

2 stops8h 56m

$254

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Sat 4/18

10:44 am-10:03 pm

2 stops10h 19m

Louisville Intl

Wed 4/22

6:00 am-10:14 am

1 stop5h 14m

$254

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Thu 2/12

6:00 am-11:30 am

1 stop4h 30m

Louisville Intl

Sun 2/15

6:10 am-9:06 am

1 stop3h 56m

$259

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Wed 2/11

6:32 pm-11:19 pm

1 stop3h 47m

Louisville Intl

Sun 2/15

6:10 am-9:06 am

1 stop3h 56m

$259

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Fri 2/6

4:20 pm-11:06 pm

1 stop5h 46m

Louisville Intl

Mon 2/9

6:23 am-11:23 am

1 stop6h 00m

$279

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Fri 2/6

4:20 pm-11:06 pm

1 stop5h 46m

Louisville Intl

Tue 2/10

5:04 pm-9:29 pm

1 stop5h 25m

$279

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Fri 3/27

3:41 pm-10:13 pm

1 stop5h 32m

Louisville Intl

Mon 3/30

5:43 pm-9:45 pm

1 stop5h 02m

$288

AppletonLouisville

ATW - SDF

ATWSDF

Appleton Intl

Fri 2/6

4:20 pm-11:06 pm

1 stop5h 46m

Louisville Intl

Sat 2/7

5:47 pm-9:46 pm

1 stop4h 59m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 January.
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, April is the cheapest month in which you can book a flight from Appleton to Louisville (average of $178). Flying from Appleton to Louisville in March is currently the most expensive (average of $250). 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 January 27, 2026.
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
7.9
Good
8,118 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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
8,118 reviews
Delta
7.9
Good
8,118 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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
9,205 reviews
Delta
7.9
Good
8,118 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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
7.2
Good
11,197 reviews
Delta
7.9
Good
8,118 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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 37m. Fly via Delta 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 American Airlines and United Airlines - these airlines can fly you to your destination from $268 and $278, respectively. Delta is currently priced 35% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Appleton to Louisville one-way?

    The cheapest airlines for a one-way flight from Appleton to Louisville are United Airlines ($167), American Airlines ($183), and Delta ($183).

  • 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, April is the cheapest month in which you can book a flight from Appleton to Louisville (average of $178). Flying from Appleton to Louisville in March is currently the most expensive (average of $250). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Appleton to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Nashville flights
Minneapolis to Nashville flights
O'Hare Intl to Knoxville flights
Milwaukee to Nashville flights
Minneapolis to Cincinnati flights
O'Hare Intl to Louisville flights
O'Hare Intl to Cincinnati flights
Minneapolis to Louisville flights
Appleton to Nashville flights
Minneapolis to Knoxville flights
Madison to Nashville flights
O'Hare Intl to Lexington flights
Milwaukee to Knoxville flights
Appleton to Cincinnati flights
Appleton to Knoxville flights
Minneapolis to Lexington flights
Milwaukee to Lexington flights
Milwaukee to Louisville flights
Madison to Lexington flights
Green Bay to Nashville flights
O'Hare Intl to Owensboro flights
Appleton to Lexington flights
Duluth to Nashville flights
Madison to Cincinnati flights
Eau Claire to Nashville flights
Green Bay to Knoxville flights
O'Hare Intl to Blountville flights
Milwaukee to Cincinnati flights
Wausau to Nashville flights
O'Hare Intl to Evansville flights
Minneapolis to Blountville flights
Madison to Knoxville flights
Green Bay to Cincinnati flights
Madison to Louisville flights
La Crosse to Nashville flights
Minneapolis to Evansville flights
O'Hare Intl to Paducah flights
Wausau to Cincinnati flights
Duluth to Knoxville flights
Wausau to Louisville flights
Madison to Blountville flights
Duluth to Louisville flights
Rhinelander to Cincinnati flights
Wausau to Lexington flights
Minneapolis to Huntington flights
Wausau to Knoxville flights
O'Hare Intl to Huntington flights
Milwaukee to Blountville flights
Rhinelander to Nashville flights

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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$233Average$298FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$332FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$278Average$338FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.