US/Canada > United States > California > Ontario to Louisville
Find a Flight - Compare Prices Fast
Cheap Flights from Ontario to Louisville - ONT to SDF
Fare Compare processes millions of flights and airfares daily.
This page displays the cheapest discounted airline ticket & flight information for Ontario, California to Louisville, Kentucky including the cheapest seats, historical ranking, recent email alerts and airlines with flights that serve these cities.
Did you know?
- 12 airlines operate between Ontario, CA and Louisville, KY
- 117 flights per week fly out of Ontario, CA connecting to Louisville, KY
- The smallest aircraft operated by American flying between Ontario, CA and Louisville, KY is a CRJ with 70 seats.
- Copa Airlines has 30 two stops or more flights between Ontario, CA and Louisville, KY.
- The best current ticket price from Ontario to Louisville is $266.
Recent Cheap Airline Airfares from Ontario, California (ONT) to Louisville, Kentucky (SDF)
Sign Up for Free Airfare Email Alerts Now!
Airlines with Cheap Flights from Ontario, California to Louisville, Kentucky
Fare Compare's flight data shows that the following airlines have scheduled flights where both airports Ontario and Louisville can connect all the way through during the year using flights only on these airlines.
Cheap Flights to Louisville
FareCompare.com flight schedule information shows the following airlines with scheduled flight service between Ontario, California and Louisville, Kentucky. This airline list also includes cheap flight alternatives provided by code share airlines (where the plane is operated by a different partner airline).
Cheap Roundtrip Airline Tickets
Cheap roundtrip airfares for all airlines from Ontario, California to Louisville, Kentucky.
Cheap One Way Airline Tickets
Cheap one way airfares for all airlines from Ontario to Louisville.
Cheap Flights from Ontario to Louisville, from $266, Airfare Search for ONT to SDF