Louisville (SDF) to Houston (HOU) flights
One airline flies nonstop from Louisville (SDF) to Houston (HOU): 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 SDF to HOU
- Southwest AirlinesNot in an allianceWho books it

SDF to HOU 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)Allegiant Air, then Southwest Airlines


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


- Via Chicago (MDW)Southwest Airlines the whole way


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


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


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


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


- Via Tampa (TPA)Southwest Airlines the whole way



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


- Via Orlando (MCO)Southwest Airlines the whole way



SDF to HOU: common questions
Which airlines fly nonstop from SDF to HOU?
Southwest Airlines flies nonstop from Louisville (SDF) to Houston (HOU).
How far is Louisville from Houston by plane?
Louisville (SDF) and Houston (HOU) 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 SDF to HOU cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SDF to HOU with taxes and fees.
Where can I connect between Louisville and Houston?
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.