CMH to SDF, John Glenn Columbus International Airport to Louisville International Airport Cheap Flights

Based on HopeGoo data, Delta Air Lines offers one-way fares as low as US$125 on Cheapest nonstop routes (e.g. CMH to SDF on Sat, Apr 18), while Delta Air Lines offers Cheapest nonstop round-trips from US$330 departing on Sun, Mar 22 and returning on Wed, Mar 25.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Columbus to Louisville is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Columbus to Louisville, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Apr 18, with one-way flights priced at just US$125. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Louisville travel is around August. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Columbus to Louisville is September, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Columbus to Louisville on February 27, 2026 with United Airlines, with prices starting at US$495.

The time difference between Louisville and Columbus is 0h.

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