United States · 803 miles (1,293 km)

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

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
    Southwest Airlines logo
    Southwest Airlines logo
  • Via New Orleans (MSY)Southwest Airlines the whole way
    Southwest Airlines logo
    Breeze Airways logo
    Southwest Airlines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    American Airlines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Delta Air Lines logo
  • Via Fort Walton Beach (VPS)Southwest Airlines, then Allegiant Air
    Southwest Airlines logo
    Allegiant Air logo
  • Via Oklahoma City (OKC)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Charlotte (CLT)Southwest Airlines, then American Airlines
    Southwest Airlines logo
    American Airlines logo
  • Via Charleston (CHS)Southwest Airlines, then Breeze Airways
    Southwest Airlines logo
    Breeze Airways logo
  • Via Pittsburgh (PIT)Southwest Airlines, then Breeze Airways
    Southwest Airlines logo
    Breeze Airways logo
  • Via Raleigh/Durham (RDU)Southwest Airlines, then Breeze Airways
    Southwest Airlines logo
    Breeze Airways logo
  • Via Tampa (TPA)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
    Breeze Airways logo
  • Via Sarasota (SRQ)Southwest Airlines, then Allegiant Air
    Southwest Airlines logo
    Allegiant Air logo
  • Via Orlando (MCO)Southwest Airlines the whole way
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
See all 18 in Routes

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.