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Cheap ONT to SDF Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Ontario to Louisville route information

Origin Airport Los Angeles - Ontario Intl.
Destination Airport Louisville Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, United
Flight Price $290
Distance 1,791 mi

Orange County


Long Beach


Los Angeles




Cheap ONT to SDF Flights

  • Question : What is the cheapest airline flying from Ontario to Louisville?
    Answer : American Airlines is the leader in keeping prices low for travelers over the next three months. Fares are being booked at just $301 and, when compared to the higher priced bookings of $939, it's quite a deal.
  • Question : How much time do people spend in Louisville?
    Answer : The average time spent in Louisville by passengers from Ontario is six days. However long you decide to stay, give yourself plenty of time to see what makes Louisville fantastic.
  • Question : What is the cheapest day to fly to Louisville?
    Answer : Jul 5th has bookings (as of Jun 10th) as cheap as $364. That comes in 39% below the average price for this route. Saving now means you'll have more cash in your pocket for your trip.
  • Question : What is the cheapest day to fly?
    Answer : The cheapest day to fly from Ontario to Louisville is on Friday. So, if you want to save a little money on your next trip look for flights on Friday.
  • Question : Can I change the date of my flight?
    Answer : You sure can and you may save money by changing when you leave. The lowest-cost day to fly in June is Friday. Flexibility is key when booking travel to help keep costs down.
  • Question : How much is a plane ticket to Louisville (SDF) from Ontario (ONT)?
    Answer : They can range from $301 to $939. Booking far in advance can usually help you get the cheapest price. However, usually the sooner you book, the more you'll be able to save.
  • Question : Which airline has the least delays from Ontario to Louisville?
    Answer : Booking with NetJets Aviation means you will arrive to Louisville pretty close to the time your ticket states. In fact, this timely airline has a 100% average for landing before the plane turns into a pumpkin.