$120 Cheap Flights from Louisville (SDF) to Chattanooga (CHA)

View $120 flight on Sat, Jul 5, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Louisville to Chattanooga (SDF-CHA)

Prices were available within the past 7 days and start at $120 for one-way flights and $319 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 1 - Tue, Sep 16
SDF
Louisville
CHA
Chattanooga
$319 Roundtrip, found 4 hours ago
$319
Roundtrip
found 4 hours ago
Select Delta flight, departing Mon, Sep 1 from Louisville to Chattanooga, returning Tue, Sep 16, priced at $319 found 4 hours ago
American Airlines
Sun, Aug 31 - Sat, Sep 13
SDF
Louisville
CHA
Chattanooga
$329 Roundtrip, found 14 hours ago
$329
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Sun, Aug 31 from Louisville to Chattanooga, returning Sat, Sep 13, priced at $329 found 14 hours ago
Delta
Tue, Aug 19 - Sun, Aug 31
SDF
Louisville
CHA
Chattanooga
$333 Roundtrip, found 14 hours ago
$333
Roundtrip
found 14 hours ago
Select Delta flight, departing Tue, Aug 19 from Louisville to Chattanooga, returning Sun, Aug 31, priced at $333 found 14 hours ago
Delta
Sat, Aug 16 - Sun, Aug 31
SDF
Louisville
CHA
Chattanooga
$343 Roundtrip, found 14 hours ago
$343
Roundtrip
found 14 hours ago
Select Delta flight, departing Sat, Aug 16 from Louisville to Chattanooga, returning Sun, Aug 31, priced at $343 found 14 hours ago
Delta
Fri, Sep 5 - Tue, Sep 23
SDF
Louisville
CHA
Chattanooga
$357 Roundtrip, found 14 hours ago
$357
Roundtrip
found 14 hours ago
Select Delta flight, departing Fri, Sep 5 from Louisville to Chattanooga, returning Tue, Sep 23, priced at $357 found 14 hours ago
American Airlines
Fri, May 23 - Sun, May 25
SDF
Louisville
CHA
Chattanooga
$363 Roundtrip, just found
$363
Roundtrip
just found
Select American Airlines flight, departing Fri, May 23 from Louisville to Chattanooga, returning Sun, May 25, priced at $363 just found
American Airlines
Thu, May 15 - Sat, May 17
SDF
Louisville
CHA
Chattanooga
$364 Roundtrip, found 13 hours ago
$364
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, May 15 from Louisville to Chattanooga, returning Sat, May 17, priced at $364 found 13 hours ago
Delta
Fri, Aug 1 - Mon, Aug 18
SDF
Louisville
CHA
Chattanooga
$367 Roundtrip, found 14 hours ago
$367
Roundtrip
found 14 hours ago
Select Delta flight, departing Fri, Aug 1 from Louisville to Chattanooga, returning Mon, Aug 18, priced at $367 found 14 hours ago
Delta
Fri, May 23 - Sun, May 25
SDF
Louisville
CHA
Chattanooga
$379 Roundtrip, just found
$379
Roundtrip
just found
Select Delta flight, departing Fri, May 23 from Louisville to Chattanooga, returning Sun, May 25, priced at $379 just found
United
Fri, Sep 26 - Mon, Sep 29
SDF
Louisville
CHA
Chattanooga
$777 Roundtrip, found 1 day ago
$777
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 26 from Louisville to Chattanooga, returning Mon, Sep 29, priced at $777 found 1 day ago
Flights from Louisville (SDF) to Chattanooga (CHA)
Origin airport
Louisville Intl.
Destination airport
Chattanooga Metropolitan
Airlines serving
American Airlines, Delta, United
Roundtrip price
$318
Distance
219 mi

Louisville to Chattanooga Flights

The cheapest times to fly from Louisville to Chattanooga

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 Chattanooga are during the month of September. You can find some of the cheapest flights from Louisville to Chattanooga with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Louisville to Chattanooga

Sunday is one of the best days to book for cheap flights from Louisville to Chattanooga: 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 Chattanooga

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 Chattanooga in 2025. You can also book with separate airlines for your outbound and return journeys, from $120 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 Chattanooga 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 Chattanooga 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 Chattanooga Metropolitan Airport (CHA) cost?
Discover the latest flight deals from SDF to CHA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SDF to CHA?
The cheapest flights from SDF to CHA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SDF to CHA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SDF to CHA. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Louisville Intl. Airport (SDF) to Chattanooga Metropolitan Airport (CHA)?
There aren’t any daily nonstop flights available from Louisville Intl. Airport (SDF) to Chattanooga Metropolitan Airport (CHA). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be on your way in no time at all.
What day of the week has the most flights from SDF to CHA?
You’ll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Chattanooga Metropolitan Airport (CHA)?
To reach Chattanooga Metropolitan Airport (CHA) on schedule, book a flight that leaves from Louisville Intl. Airport (SDF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Chattanooga Metropolitan Airport (CHA) last-minute?
Last-minute bookings from SDF to CHA are usually more expensive. To secure the lowest rates, start searching for flights as early as possible. That said, if you can play around with your travel dates, you may find a cheap fare right before your trip.
Is it cheaper to book a SDF to CHA flight and hotel package?
Compared with arranging hotels and flights separately, booking a SDF to CHA flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Chattanooga Metropolitan Airport (CHA)?
It’s generally possible to cancel or reschedule your SDF to CHA flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.