Nonstop flights from Houston to Louisville
2 airlines fly from 2 Houston airports (IAH and HOU) to Louisville (SDF), with up to 4 flights a day.
Routes
2 airport pairs- IAH to SDFGeorge Bush Intercontinental to Louisville Muhammad Ali3 a day
- HOU to SDFWilliam P. Hobby to Louisville Muhammad AliDaily
When they leave
Houston time9:45a6:50pFirst departure 9:45 AM, last 6:50 PM
Two in the morning, 9:45 AM to 11:00 AM, then four in the afternoon, 12:25 PM to 4:37 PM, then one evening flight at 6:50 PM.
Every flight
Earliest first
Schedules last checked Sep 21, 2026. Times are local.
Flying from Houston to Louisville
United Airlines flies most often, 3 times a day on the Embraer 175. Southwest Airlines flies daily on the Boeing 737 MAX 8 and Boeing 737-700.
There are 4 flights every day of the week. The first arrival in Louisville is at 1:07 PM and the last at 10:15 PM.
IAH to SDF is the busiest airport pair, with 21 flights a week, then HOU to SDF with 7.
Flying back, Louisville to Houston has 28 nonstop flights a week.
Return flights
Find the cheapest day to fly from Houston to Louisville.
Schedules as of Oct 9, 2026.