$319+ 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — SDF
Nov 12 — Nov 191
Round-trip
1 adult, Economy
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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
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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
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Best
Last-minute
Cheapest flights from Appleton to LouisvilleExplore 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 October 13, 2026.
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 October 13, 2026.
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:35 pm -
1 stop4h 16m
Tue 10/275:57 pm -
1 stop5h 12m
Deal found 10/8![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 10/12. 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 10/275:35 am -
1 stop6h 19m
Sat 10/317:55 am -
2 stops9h 26m
Deal found 10/12![Delta logo]()
$342
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/205:30 am -
1 stop4h 30m
Tue 12/295:45 am -
1 stop6h 23m
Deal found 10/8![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:33 am -
1 stop3h 50m
Tue 10/278:11 am -
2 stops10h 24m
Deal found 10/8![American Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sun 11/1512:50 pm -
1 stop7h 02m
Wed 11/1810:37 am -
1 stop6h 09m
Deal found 10/8![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:05 am -
1 stop4h 55m
Wed 11/1810:13 am -
2 stops8h 45m
Deal found 10/8![Delta logo]()
$462
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:08 am -
2 stops7h 06m
Wed 11/187:50 am -
2 stops9h 41m
Deal found 10/8![Delta logo]()
$468
This American Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 10/94:10 pm -
1 stop4h 54m
Sun 10/1112:46 pm -
1 stop5h 49m
Deal found 10/9![American Airlines logo]()
$575
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:40 am -
2 stops10h 45m
Wed 11/187:30 am -
2 stops11h 13m
Deal found 10/8![American Airlines logo]()
$666
Best flights from Appleton to LouisvilleDiscover carefully curated flight deals from Appleton to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
Discover carefully curated flight deals from Appleton to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
This Delta deal was found by Cheapflights users on 10/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1211:10 am -
1 stop5h 30m
Mon 2/153:24 pm -
1 stop7h 34m
Deal found 10/9![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/279:50 am -
1 stop6h 12m
Sat 10/3110:27 am -
1 stop6h 18m
Deal found 10/12![United Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:33 am -
1 stop3h 50m
Tue 10/278:11 am -
2 stops10h 24m
Deal found 10/8![American Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 10/12. 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 10/275:35 am -
1 stop6h 19m
Sat 10/317:55 am -
2 stops9h 26m
Deal found 10/12![Delta logo]()
$342
This United Airlines deal was found by Cheapflights users on 10/8. 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 1/235:00 pm -
1 stop6h 15m
Wed 1/277:00 am -
1 stop5h 57m
Deal found 10/8![United Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 10/12. 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 1/278:02 am -
1 stop5h 46m
Sat 1/308:50 am -
1 stop6h 04m
Deal found 10/12![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:35 pm -
1 stop4h 11m
Wed 11/183:14 pm -
1 stop3h 44m
Deal found 10/8![Delta logo]()
$457
Last-minute flights from Appleton to LouisvilleDiscover last-minute flight deals from Appleton to Louisville. Data last updated October 13, 2026 and is based on user searches.
Discover last-minute flight deals from Appleton to Louisville. Data last updated October 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 10/94:10 pm -
1 stop4h 54m
Sun 10/1112:46 pm -
1 stop5h 49m
Deal found 10/9![American Airlines logo]()
$575
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:35 pm -
1 stop4h 16m
Tue 10/275:57 pm -
1 stop5h 12m
Deal found 10/8![Delta logo]()
$337
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:33 am -
1 stop3h 50m
Tue 10/278:11 am -
2 stops10h 24m
Deal found 10/8![American Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 10/12. 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 10/275:35 am -
1 stop6h 19m
Sat 10/317:55 am -
2 stops9h 26m
Deal found 10/12![Delta logo]()
$342
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sun 11/1512:50 pm -
1 stop7h 02m
Wed 11/1810:37 am -
1 stop6h 09m
Deal found 10/8![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:05 am -
1 stop4h 55m
Wed 11/1810:13 am -
2 stops8h 45m
Deal found 10/8![Delta logo]()
$462
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:40 am -
2 stops10h 45m
Wed 11/187:30 am -
2 stops11h 13m
Deal found 10/8![American Airlines logo]()
$666
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:08 am -
2 stops7h 06m
Wed 11/187:50 am -
2 stops9h 41m
Deal found 10/8![Delta logo]()
$468
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 October 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Delta) |
Popular in | September |
Cheapest in | January |
Average price | $468 |
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 7,457,451 searches. Data last updated October 13, 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
Cheapest round-trip
AppletonLouisville
ATW Appleton Intl - SDF Louisville Intl
ATWSDF
Appleton Intl
Fri 2/12
11:10 am-5:40 pm
1 stop5h 30m
Louisville Intl
Mon 2/15
3:24 pm-9:58 pm
1 stop7h 34m
$319
AppletonLouisville
ATW Appleton Intl - SDF Louisville Intl
ATWSDF
Appleton Intl
Tue 10/27
9:50 am-5:02 pm
1 stop6h 12m
Louisville Intl
Sat 10/31
10:27 am-3:45 pm
1 stop6h 18m
$337
AppletonLouisville
ATW Appleton Intl - SDF Louisville Intl
ATWSDF
Appleton Intl
Tue 10/27
5:35 am-12:54 pm
1 stop6h 19m
Louisville Intl
Sat 10/31
7:55 am-4:21 pm
2 stops9h 26m
$342
AppletonLouisville
ATW Appleton Intl - SDF Louisville Intl
ATWSDF
Appleton Intl
Sat 1/23
5:00 pm-12:15 am
1 stop6h 15m
Louisville Intl
Wed 1/27
7:00 am-11:57 am
1 stop5h 57m
$355
AppletonLouisville
ATW Appleton Intl - SDF Louisville Intl
ATWSDF
Appleton Intl
Wed 1/27
8:02 am-2:48 pm
1 stop5h 46m
Louisville Intl
Sat 1/30
8:50 am-1:54 pm
1 stop6h 04m
$355
AppletonLouisville
ATW Appleton Intl - SDF Louisville Intl
ATWSDF
Appleton Intl
Fri 10/23
11:33 am-4:23 pm
1 stop3h 50m
Louisville Intl
Tue 10/27
8:11 am-5:35 pm
2 stops10h 24m
$426
Quickest round-trip
AppletonLouisville
ATW Appleton Intl - SDF Louisville Intl
ATWSDF
Appleton Intl
Tue 11/17
5:35 pm-10:46 pm
1 stop4h 11m
Louisville Intl
Wed 11/18
3:14 pm-5:58 pm
1 stop3h 44m
$457
Sorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
ATW-SDF
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 $278). Flying from Appleton to Louisville in September is currently the most expensive (average of $912). 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?
Airfare is typical for this route at the moment.
Appleton to Louisville flights typically cost between $288 and $526 in February.The cheapest round-trip price found within the last 5 days was $319 on Delta (Feb 12-Feb 15).
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 October 13, 2026.
Peruse reviews from past customers who have flown with Delta and United 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.
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Elizabethtown
Jeffersonville
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Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 13, 2026.
Appleton and Louisville flights
Browse other Appleton and Louisville flight options. Last updated on October 13, 2026.
Other flights from Appleton
Browse through other flights departing from Appleton. Flights are based on user searches made on Cheapflights and were last updated on October 13, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Appleton to Louisville
Discover the top 2 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 7,457,451 searches. Data last updated October 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$249 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$275 | Average$328 | FlexibilityNo cancel fee | On-time69% |