Ontario International Airport (ONT) serves Ontario; Louisville International Standiford Field (SDF) serves Louisville.
The airports are 1,792 miles apart by great-circle distance.
Roame's current schedule feed lists service with stops from ONT to SDF, but no nonstop service.
Marketing airlines listed in the current schedule, including codeshare sellers, are Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Nov 15, 2026 – Jan 4, 2027.