Nonstop flights from Louisville to Houston

2 airlines fly from Louisville (SDF) to 2 Houston airports (IAH and HOU), with up to 4 flights a day.

SDFIAH

Routes

2 airport pairs

When they leave

Louisville time

7:25a6:25pFirst departure 7:25 AM, last 6:25 PM

Two in the morning, 7:25 AM to 9:45 AM, then four in the afternoon, 12:40 PM to 3:35 PM, then one evening flight at 6:25 PM.

Every flight

Earliest first

7:25 AM→8:50 AMSDF to IAHUnited AirlinesEmbraer 175Daily
9:45 AM→11:10 AMSDF to IAHUnited AirlinesEmbraer 175Daily
12:40 PM→1:55 PMSDF to HOUSouthwest AirlinesBoeing 737-700Sat
12:50 PM→2:10 PMSDF to HOUSouthwest AirlinesBoeing 737-700Tue, Wed
1:45 PM→3:05 PMSDF to HOUSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri
3:35 PM→5:10 PMSDF to IAHUnited AirlinesEmbraer 175Daily
6:25 PM→7:40 PMSDF to HOUSouthwest AirlinesBoeing 737Sun

Schedules last checked Sep 21, 2026. Times are local.

Flying from Louisville to Houston

United Airlines flies most often, 3 times a day on the Embraer 175. Southwest Airlines flies daily on the Boeing 737-700, Boeing 737 and Boeing 737 MAX 8.

There are 4 flights every day of the week. The first arrival in Houston is at 8:50 AM and the last at 7:40 PM.

SDF to IAH is the busiest airport pair, with 21 flights a week, then SDF to HOU with 7.

Flying back, Houston to Louisville has 28 nonstop flights a week.

Return flights

Houston to LouisvilleView

Find the cheapest day to fly from Louisville to Houston.

Schedules as of Oct 9, 2026.