United States · 306 miles (492 km)

Detroit (DTW) to Louisville (SDF) flights

One airline flies nonstop from Detroit (DTW) to Louisville (SDF): Delta Air Lines. The two airports are 306 miles (492 km) apart. Delta Air Lines is in SkyTeam. There are also 15 ways to fly it with one stop, through Chicago, Chicago and Pittsburgh and more.

Airlines flying nonstop from DTW to SDF

Book DTW to SDF with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

DTW to SDF with one stop

15 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Chicago (MDW)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Pittsburgh (PIT)Delta Air Lines, then Breeze Airways
    Delta Air Lines logo
    Breeze Airways logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    American Airlines logo
  • Via Dulles (IAD)United Airlines the whole way
    Delta Air Lines logo
    United Airlines logo
    United Airlines logo
  • Via Washington (DCA)American Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    American Airlines logo
  • Via Baltimore (BWI)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    Delta Air Lines logo
  • Via Raleigh/Durham (RDU)Delta Air Lines and Frontier Airlines, then Breeze Airways
    Delta Air Lines logo
    Frontier Airlines logo
    Breeze Airways logo
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    American Airlines logo
  • Via New York (EWR)United Airlines the whole way
    Delta Air Lines logo
    United Airlines logo
    United Airlines logo
  • Via Minneapolis (MSP)Delta Air Lines the whole way
    Delta Air Lines logo
    Sun Country Airlines logo
    Delta Air Lines logo
  • Via Charleston (CHS)Delta Air Lines, then Breeze Airways
    Delta Air Lines logo
    Breeze Airways logo
  • Via New York (LGA)Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo

DTW to SDF: common questions

Which airlines fly nonstop from DTW to SDF?

Delta Air Lines (SkyTeam) flies nonstop from Detroit (DTW) to Louisville (SDF).

How far is Detroit from Louisville by plane?

Detroit (DTW) and Louisville (SDF) are 306 miles (492 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book DTW to SDF award flights?

8 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, China Eastern Eastern Miles, Delta SkyMiles, Garuda Indonesia GarudaMiles, Korean Air SKYPASS, SAS EuroBonus and Virgin Atlantic Flying Club. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does DTW 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 DTW to SDF with taxes and fees.

Where can I connect between Detroit and Louisville?

The most direct connections are through Chicago (MDW), Chicago (ORD), Pittsburgh (PIT), Nashville (BNA) and Charlotte (CLT). On 12 of them the same airline flies both flights, for example Southwest Airlines through Chicago.

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.