Houston (HOU) to Louisville (SDF) flights
One airline flies nonstop from Houston (HOU) to Louisville (SDF): Southwest Airlines. The two airports are 803 miles (1,293 km) apart. There are also 18 ways to fly it with one stop, through Nashville, New Orleans and Dallas and more.
Airlines flying nonstop from HOU to SDF
- Southwest AirlinesNot in an allianceWho books it

HOU to SDF with one stop
18 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Nashville (BNA)Southwest Airlines the whole way


- Via New Orleans (MSY)Southwest Airlines the whole way



- Via Dallas (DAL)Southwest Airlines the whole way


- Via Dallas (DFW)American Airlines the whole way


- Via Atlanta (ATL)Delta Air Lines the whole way



- Via Fort Walton Beach (VPS)Southwest Airlines, then Allegiant Air


- Via Oklahoma City (OKC)Southwest Airlines the whole way


- Via Chicago (MDW)Southwest Airlines the whole way


- Via Charlotte (CLT)Southwest Airlines, then American Airlines


- Via Charleston (CHS)Southwest Airlines, then Breeze Airways


- Via Pittsburgh (PIT)Southwest Airlines, then Breeze Airways


- Via Raleigh/Durham (RDU)Southwest Airlines, then Breeze Airways


- Via Tampa (TPA)Southwest Airlines the whole way



- Via Sarasota (SRQ)Southwest Airlines, then Allegiant Air


- Via Orlando (MCO)Southwest Airlines the whole way



HOU to SDF: common questions
Which airlines fly nonstop from HOU to SDF?
Southwest Airlines flies nonstop from Houston (HOU) to Louisville (SDF).
How far is Houston from Louisville by plane?
Houston (HOU) and Louisville (SDF) are 803 miles (1,293 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does HOU to SDF cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for HOU to SDF with taxes and fees.
Where can I connect between Houston and Louisville?
The most direct connections are through Nashville (BNA), New Orleans (MSY), Dallas (DAL), Dallas (DFW) and Atlanta (ATL). On 10 of them the same airline flies both flights, for example Southwest Airlines through Nashville.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.