Direct (nonstop) flights from Louisville to Houston
2 airlines fly nonstop from Louisville International Airport (SDF) to George Bush Intcntl Houston (IAH). It's 787 miles (1,267 km), about 2h 37m in the air. Operated by American Airlines, United Airlines.
American Airlines
United Airlines
Route data last updated: May 26, 2026
Airlines with non-stop flights
AA
American Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Louisville to Houston with one stop · direct emits 146 kg CO₂ per passenger
Looking for the return flight?
IAH → SDF: Flights from Houston to LouisvilleOther direct flights from Louisville
Direct flights from Houston (IAH)
Frequently Asked Questions
How long is the direct flight from Louisville to Houston?
A nonstop flight from Louisville (SDF) to Houston (IAH) takes approximately 2 hours and 37 minutes. The distance is 787 miles (1,267 km).
Which airlines fly nonstop from Louisville to Houston?
2 airlines: American Airlines, United Airlines.
Is there a nonstop flight from Louisville to Houston?
Yes. 2 airlines: American Airlines, United Airlines.
How far is Louisville from Houston?
The flight distance from Louisville to Houston is 787 miles (1,267 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Madrid.
What type of aircraft flies from Louisville to Houston?
At 2h 37m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Louisville to Houston?
Roughly 146 kg CO2 per passenger one-way. That's about the same as driving 730 km.
Is the return flight from Houston to Louisville also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Louisville to Houston?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Louisville International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.