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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

Cheap Flights from Chattanooga to Louisville (CHA-SDF)

Prices were available within the past 7 days and start at $120 for one-way flights and $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
American Airlines
Delta
American Airlines
Delta
Delta
Delta
Delta
American Airlines
United
Flights from Chattanooga (CHA) to Louisville (SDF)
Origin airport
Chattanooga Metropolitan
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$278
Distance
219 mi

Chattanooga to Louisville Flights

The cheapest times to fly from Chattanooga to Louisville

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

The best time to book a flight from Chattanooga to Louisville

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

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 Chattanooga to Louisville 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 Chattanooga to Louisville 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 Chattanooga to Louisville 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

Is it cheaper to buy a plane ticket from Chattanooga Airport to Louisville Intl. Airport (SDF) last minute?
Booking your trip from CHA to SDF last minute could save you a nice sum if you get lucky and find a real steal. However, airfares usually don’t come down in price closer to the departure date. If you wait, flights could also be booked up or the best seats taken. If you’d prefer to play it safe, book well in advance of the date you want to leave. Don’t forget that some of the biggest bargains can be found up to 12 months in advance. If your favorite airline hasn’t released its fares yet, check back regularly as deals are updated on Expedia all the time.
What airports do you fly into for Louisville from Chattanooga?
From Chattanooga, you can get to Louisville via Louisville Intl. Airport (SDF), Bowman Field Airport (LOU) and Bardstown, KY (BRY-Samuels Field). Research which terminal is the right option for you before you make a decision. If you decide to land at Louisville Intl. Airport (SDF), it’s approximately 5 mi south of downtown. Use the money you save when booking your trip with Expedia to discover the city’s awesome sights, such as Churchill Downs and KFC Yum Center.
Can I change the date of my flight from Chattanooga Metropolitan Airport (CHA) to Louisville Muhammad Ali Intl. Airport?
Plans can get upended, so Expedia is here to help make things easy. First, find your CHA to Louisville Muhammad Ali Intl. Airport itinerary through the Expedia Trips portal and browse the fare conditions and rules to see if you can make changes. If you booked your airfare in the last 24 hours, some carriers will allow you to cancel for free and book new flights. If you bought your fare more than 24 hours ago, contact us via our Customer Service portal to find out what your options are.

Explore a world of travel with Expedia

*Available to One Key members.