$149 Cheap Flights from Louisville (SDF) to Appleton (ATW)

View $149 flight on Wed, Dec 31, 2025Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Appleton, WI (ATW-Appleton Intl.)

Cheap Flights from Louisville to Appleton (SDF-ATW)

Prices were available within the past 7 days and start at $149 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Oct 22 - Wed, Oct 29
SDF
Louisville
ATW
Appleton
$229 Roundtrip, found 15 hours ago
$229
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, Oct 22 from Louisville to Appleton, returning Wed, Oct 29, priced at $229 found 15 hours ago
Delta
Wed, Oct 1 - Sat, Oct 18
SDF
Louisville
ATW
Appleton
$234 Roundtrip, found 3 days ago
$234
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 1 from Louisville to Appleton, returning Sat, Oct 18, priced at $234 found 3 days ago
Delta
Wed, Oct 22 - Sun, Oct 26
SDF
Louisville
ATW
Appleton
$249 Roundtrip, found 15 hours ago
$249
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, Oct 22 from Louisville to Appleton, returning Sun, Oct 26, priced at $249 found 15 hours ago
Delta
Sat, Sep 27 - Wed, Oct 1
SDF
Louisville
ATW
Appleton
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Sep 27 from Louisville to Appleton, returning Wed, Oct 1, priced at $254 found 3 days ago
Delta
Wed, Oct 22 - Mon, Oct 27
SDF
Louisville
ATW
Appleton
$259 Roundtrip, found 15 hours ago
$259
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, Oct 22 from Louisville to Appleton, returning Mon, Oct 27, priced at $259 found 15 hours ago
Delta
Wed, Sep 24 - Sat, Sep 27
SDF
Louisville
ATW
Appleton
$269 Roundtrip, just found
$269
Roundtrip
just found
Select Delta flight, departing Wed, Sep 24 from Louisville to Appleton, returning Sat, Sep 27, priced at $269 just found
United
Tue, Dec 2 - Mon, Dec 15
SDF
Louisville
ATW
Appleton
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select United flight, departing Tue, Dec 2 from Louisville to Appleton, returning Mon, Dec 15, priced at $289 found 1 day ago
Delta
Tue, Nov 18 - Tue, Nov 25
SDF
Louisville
ATW
Appleton
$294 Roundtrip, found 1 day ago
$294
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 18 from Louisville to Appleton, returning Tue, Nov 25, priced at $294 found 1 day ago
American Airlines
Thu, Dec 11 - Wed, Dec 17
SDF
Louisville
ATW
Appleton
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Dec 11 from Louisville to Appleton, returning Wed, Dec 17, priced at $294 found 2 days ago
Delta
Tue, Nov 18 - Wed, Nov 19
SDF
Louisville
ATW
Appleton
$297 Roundtrip, found 1 day ago
$297
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 18 from Louisville to Appleton, returning Wed, Nov 19, priced at $297 found 1 day ago

Find the cheapest month to fly from Louisville (SDF) to Appleton (ATW)

April is typically the cheapest month to fly

From $191 - $442 per traveler.
Flights from Louisville (SDF) to Appleton (ATW)
Origin airport
Louisville Intl.
Destination airport
Appleton Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$228
Distance
443 mi

Louisville to Appleton Flights

The cheapest times to fly from Louisville to Appleton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Louisville to Appleton are during the month of October. You can find some of the cheapest flights from Louisville to Appleton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Appleton

Sunday is one of the best days to book for cheap flights from Louisville to Appleton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Louisville to Appleton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Louisville to Appleton in 2025. You can also book with separate airlines for your outbound and return journeys, from $149 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Louisville to Appleton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Louisville to Appleton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Appleton Intl. Airport (ATW) cost?
Lock in a cheap one-way flight from $149 or cheap return flight from $229 from Louisville Intl. Airport (SDF) to Appleton Intl. Airport (ATW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Appleton Intl. Airport (ATW)?
The cheapest month to fly from SDF to ATW is October, when demand is low. Off-peak season is typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Appleton Intl. Airport (ATW)?
To find the cheapest airline flying from SDF to ATW, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Louisville Intl. Airport (SDF) to Appleton Intl. Airport (ATW)?
Direct flights from Louisville Intl. Airport (SDF) to Appleton Intl. Airport (ATW) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDF to ATW?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Appleton Intl. Airport (ATW)?
To avoid potential delays on the Louisville Intl. Airport (SDF) to Appleton Intl. Airport (ATW) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Louisville Intl. Airport (SDF) to Appleton Intl. Airport (ATW) last-minute?
Booking your ticket from SDF to ATW right before your getaway is usually more expensive. However, if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SDF to ATW flight and hotel package?
Booking a SDF to ATW flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Appleton Intl. Airport (ATW)?
Typically, you can cancel or reschedule your SDF to ATW flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, go to our Customer Service portal.

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*Available to One Key members.