- Denver (DEN) Louisville (SDF)
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
1–4 non-stop flights per dayat least 2h 25minfrom $211 - Chicago (CHI) Louisville (SDF)
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
up to 13 non-stop flights per dayat least 1h 10minfrom $128 - Chicago O'Hare (ORD) Louisville (SDF)
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
up to 13 non-stop flights per dayat least 1h 10minfrom $128 - Atlanta (ATL) Louisville (SDF)
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
up to 14 non-stop flights per dayat least 1h 12minfrom $88 - Washington DC (DCA) Louisville (SDF)
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
up to 5 non-stop flights per dayat least 1h 43minfrom $207 - Houston-Hobby (HOU) Louisville (SDF)
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
1–2 non-stop flights per dayat least 2h 5minfrom $351 - Cleveland (CLE) Louisville (SDF)
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
only flights with stopoverat least 4h 11minfrom $206 - Sacramento (SMF) Louisville (SDF)
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
only flights with stopoverat least 6h 8minfrom $292 - Spokane (GEG) Louisville (SDF)
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
only flights with stopoverat least 6h 6minfrom $352 - Akron (CAK) Louisville (SDF)
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
only flights with stopoverat least 3h 36minfrom $239