Frontier AirlinesDepart07:11
Sun, Dec 20ATL → SDF
4h 41m · 1 stop
$140one way, per person
View deal
- Cheapest fare
- $140
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 3h 49m
Frontier Airlines · Sun, Dec 20
from $140
Usually 1+ stop
520 km
Get a price alert
We'll email you when Atlanta → Louisville drops to your price. It's free, and you can stop any time.
Today's cheapest fare is $140. We'll send one email to confirm. See our privacy policy.
Cheapest month to fly from Atlanta to Louisville
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
Frontier AirlinesPlan the rest of your trip to Louisville
Where to stay, what to do and getting around, from our travel partners.
About flights from Atlanta to Louisville
Atlanta (ATL) and Louisville (SDF) are about 520 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 3h 49m. Over the next few months, one-way fares start from $140, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Atlanta to Louisville?
The cheapest one-way fare we've seen recently is $140 with Frontier Airlines, departing Sunday, December 20, 2026. Over the coming months, the lowest fare in each month ranges from $140 to $231.
What is the cheapest month to fly from Atlanta to Louisville?
December 2026 currently has the lowest fares, from $140 one way.
Are there direct flights from Atlanta to Louisville?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Atlanta to Louisville?
The quickest journey we've seen takes about 3h 49m. Atlanta and Louisville are around 520 km apart.
Which airlines fly from Atlanta to Louisville?
Recent fares on this route were with Frontier Airlines.
More cheap flights from Atlanta
- Atlanta to New Yorkfrom $165
- Atlanta to Chicagofrom $129
- Atlanta to Los Angelesfrom $127
- Atlanta to Miamifrom $33
- Atlanta to Fort Lauderdalefrom $29
- Atlanta to Las Vegasfrom $171
- Atlanta to Dallasfrom $61
- Atlanta to Denverfrom $62
- Atlanta to Philadelphiafrom $109
- Atlanta to Houstonfrom $19
- Atlanta to Orlandofrom $26
- Atlanta to San Franciscofrom $239