Denver (DEN)Louisville (SDF)
- non-stop flights:
- 7–13 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $388number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
7–13 7–13 7–13 8–13 7–13 7–13 7–13 Chicago (CHI)Louisville (SDF)
- non-stop flights:
- 11–21 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $203number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
7–8 7–8 7–8 7–8 7–8 7–9 7–10 
4–9 4–11 4–11 4–11 4–11 4–11 4–11 Chicago O'Hare (ORD)Louisville (SDF)
- non-stop flights:
- 11–21 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $203number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
7–8 7–8 7–8 7–8 7–8 7–9 7–10 
4–9 4–11 4–11 4–11 4–11 4–11 4–11 Atlanta (ATL)Louisville (SDF)
- non-stop flights:
- 9–16 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $351number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
9–10 10–11 10–11 10–12 10–11 9–11 10–16 Washington DC (DCA)Louisville (SDF)
- non-stop flights:
- 3–9 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $252number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
3–6 3–6 3–6 3–9 3–6 3–6 3–8 Cleveland (CLE)Louisville (SDF)
- non-stop flights:
- only flights with stopover
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $310
Stops
- Direct flight
Departure airport
Airline
- American Airlines
- United Airlines
- Delta Air Lines
- Frontier Airlines
- Iberia
Outbound weekday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday


