$369+ Cheap flights from Louisville to Appleton (SDF - ATW)
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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ATW
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Appleton 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 Louisville to Appleton
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Best
Last-minute
Cheapest flights from Louisville to AppletonExplore the most affordable flight options available from Louisville to Appleton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Louisville to Appleton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:54 pm -
1 stop4h 08m
Tue 9/2211:09 am -
1 stop5h 10m
Deal found 9/7![Delta logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:24 pm -
1 stop28h 36m
Mon 9/288:00 am -
1 stop12h 02m
Deal found 9/9![Multiple Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/29:04 am -
1 stop3h 39m
Sun 10/412:28 pm -
1 stop5h 43m
Deal found 9/8![United Airlines logo]()
$428
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.
Thu 10/86:29 am -
1 stop12h 06m
Sat 10/105:29 am -
1 stop9h 54m
Deal found 9/10![American Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:54 pm -
1 stop4h 08m
Sun 10/44:19 pm -
1 stop6h 24m
Deal found 9/7![Delta logo]()
$479
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 10/173:36 pm -
2 stops9h 21m
Tue 10/203:22 pm -
1 stop6h 55m
Deal found 9/7![American Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 9/6. 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 9/185:59 pm -
1 stop6h 56m
Tue 9/225:35 am -
2 stops7h 25m
Deal found 9/6![American Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 9/237:54 pm -
1 stop4h 08m
Sun 9/277:00 am -
1 stop6h 07m
Deal found 9/8![Delta logo]()
$494
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/55:19 pm -
1 stop18h 44m
Mon 10/126:14 pm -
1 stop14h 18m
Deal found 9/7![American Airlines logo]()
$548
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/25:59 pm -
1 stop6h 56m
Sun 10/45:35 am -
2 stops9h 29m
Deal found 9/7![American Airlines logo]()
$586
Best flights from Louisville to AppletonDiscover carefully curated flight deals from Louisville to Appleton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Louisville to Appleton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
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 1/62:08 pm -
1 stop6h 07m
Sun 1/105:00 pm -
1 stop6h 10m
Deal found 9/10![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:54 pm -
1 stop4h 08m
Sun 10/44:19 pm -
1 stop6h 24m
Deal found 9/7![Delta logo]()
$479
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.
Thu 10/812:46 pm -
1 stop5h 49m
Sat 10/105:29 am -
2 stops8h 22m
Deal found 9/10![American Airlines logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:17 pm -
2 stops17h 57m
Mon 9/288:00 am -
1 stop12h 02m
Deal found 9/9![Multiple Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/29:04 am -
1 stop3h 39m
Sun 10/412:28 pm -
1 stop5h 43m
Deal found 9/8![United Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/25:59 pm -
1 stop6h 56m
Sun 10/45:35 am -
2 stops9h 29m
Deal found 9/7![American Airlines logo]()
$586
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.
Thu 9/244:19 pm -
1 stop7h 20m
Sat 9/265:21 pm -
1 stop5h 01m
Deal found 9/10![American Airlines logo]()
$639
Last-minute flights from Louisville to AppletonDiscover last-minute flight deals from Louisville to Appleton. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Appleton. Data last updated September 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:54 pm -
1 stop4h 08m
Tue 9/2211:09 am -
1 stop5h 10m
Deal found 9/7![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 9/6. 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 9/185:59 pm -
1 stop6h 56m
Tue 9/225:35 am -
2 stops7h 25m
Deal found 9/6![American Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 9/237:54 pm -
1 stop4h 08m
Sun 9/277:00 am -
1 stop6h 07m
Deal found 9/8![Delta logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:24 pm -
1 stop28h 36m
Mon 9/288:00 am -
1 stop12h 02m
Deal found 9/9![Multiple Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/29:04 am -
1 stop3h 39m
Sun 10/412:28 pm -
1 stop5h 43m
Deal found 9/8![United Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:54 pm -
1 stop4h 08m
Sun 10/44:19 pm -
1 stop6h 24m
Deal found 9/7![Delta logo]()
$479
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/25:59 pm -
1 stop6h 56m
Sun 10/45:35 am -
2 stops9h 29m
Deal found 9/7![American Airlines logo]()
$586
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/55:19 pm -
1 stop18h 44m
Mon 10/126:14 pm -
1 stop14h 18m
Deal found 9/7![American Airlines logo]()
$548
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.
Thu 10/86:29 am -
1 stop12h 06m
Sat 10/105:29 am -
1 stop9h 54m
Deal found 9/10![American Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 10/173:36 pm -
2 stops9h 21m
Tue 10/203:22 pm -
1 stop6h 55m
Deal found 9/7![American Airlines logo]()
$490
Find flight deals from Louisville to Appleton
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Appleton (ATW). 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, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to Appleton 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 September 11, 2026.
Use the filters below to find and compare flights from Louisville to Appleton that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleAppleton
SDF Louisville Intl - ATW Appleton Intl
SDFATW
Louisville Intl
Wed 1/6
2:08 pm-7:15 pm
1 stop6h 07m
Appleton Intl
Sun 1/10
5:00 pm-12:10 am
1 stop6h 10m
$369
Quickest round-trip
LouisvilleAppleton
SDF Louisville Intl - ATW Appleton Intl
SDFATW
Louisville Intl
Fri 10/2
9:04 am-11:43 am
1 stop3h 39m
Appleton Intl
Sun 10/4
12:28 pm-7:11 pm
1 stop5h 43m
$428
LouisvilleAppleton
SDF Louisville Intl - ATW Appleton Intl
SDFATW
Louisville Intl
Fri 10/2
7:54 pm-11:02 pm
1 stop4h 08m
Appleton Intl
Sun 10/4
4:19 pm-11:43 pm
1 stop6h 24m
$479
LouisvilleAppleton
SDF Louisville Intl - ATW Appleton Intl
SDFATW
Louisville Intl
Thu 10/8
12:46 pm-5:35 pm
1 stop5h 49m
Appleton Intl
Sat 10/10
5:29 am-2:51 pm
2 stops8h 22m
$517
LouisvilleAppleton
SDF Louisville Intl - ATW Appleton Intl
SDFATW
Louisville Intl
Fri 10/2
5:59 pm-11:55 pm
1 stop6h 56m
Appleton Intl
Sun 10/4
5:35 am-4:04 pm
2 stops9h 29m
$586
LouisvilleAppleton
SDF Louisville Intl - ATW Appleton Intl
SDFATW
Louisville Intl
Thu 9/24
4:19 pm-10:39 pm
1 stop7h 20m
Appleton Intl
Sat 9/26
5:21 pm-11:22 pm
1 stop5h 01m
$639
LouisvilleAppleton
SDF Louisville Intl - ATW Appleton Intl
SDFATW
Louisville Intl
Thu 9/24
7:17 pm-12:14 pm
2 stops17h 57m
Appleton Intl
Mon 9/28
8:00 am-9:02 pm
1 stop12h 02m
$645
Sorted by cheapest first
Compare providers for flights from Louisville to Appleton
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 Louisville to Appleton in September.
| 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 Louisville-Appleton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Appleton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Appleton flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-Appleton 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 Louisville-Appleton 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 Louisville to Appleton
Have a flexible travel schedule? Discover the best time to fly to Appleton from Louisville with our price prediction graph.
SDF-ATW
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.
Reviews of airlines servicing Appleton
Get insights into the airlines that provide service to Appleton. 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 Appleton. Reviews last updated September 11, 2026.
Get a feel of what it's like to fly with Delta from Louisville to Appleton by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Louisville to Appleton. 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 Appleton?
Book flights to Appleton if you plan to visit one of these locationsNeenah
Plymouth
Fond du Lac
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Other flights to Appleton
Explore flights to Appleton departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Complete your trip
Complete your trip to Appleton by adding a car rental and/or hotel reservation to your travel itinerary.
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Louisville and Appleton flights
Browse other Louisville and Appleton flight options. Last updated on September 11, 2026.
Other flights from Louisville
Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Louisville to Appleton
Discover the top airline that operate flights from Louisville to Appleton. 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 September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$249 | Average$303 | FlexibilityNo cancel fee | On-timeN/A |