Skip to main content
Beginning of main content

Cheap Flights from Ontario to Louisville $339.53

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheapest Flights from Ontario to Louisville (ONT to SDF)

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

Interesting Facts About Flights from Ontario to Louisville (ONT to SDF)

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : As of Mar 20th, the best day for deals to Louisville (SDF) is Apr 12th. It costs $341, which is 39% below this route's average price.

Question : Are you paying the cheapest or highest price for your ticket to Louisville?
Answer : Prices for this trip tend to fluctuate more than other flights in the United States. They can range from $341 to $1,393. However, the sooner you book, the more you'll be able to save.

Question : Which airline is offering the cheapest flight from ONT to SDF?
Answer : American Airlines is the leader in keeping prices down for their passengers over the next three months. Bookings are being made at just $341, which is quite a deal when compared to the more expensive bookings of $1,393.

Question : Do travelers from Ontario typically stay in Louisville for very long?
Answer : Over the next two months, travelers from ONT to SDF are planning on staying for about one week on average.

Question : Can you cut down on flight costs by changing the day of the week you travel to Louisville?
Answer : The best day to fly on a budget this month is Saturday. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : How often is the LA/Ontario International Airport (ONT) to Louisville International Airport (SDF) route delayed?
Answer : The Ontario to Louisville route has a 74% on-time rate, ranking in the 55th percentile worldwide in getting their passengers to their destinations on schedule. When there is a delay, it averages 28 minutes.

Question : Is this route your best bet for getting to Louisville with minimal delays?
Answer : The best measurement of overall promptness combines both on-time percentage and total delay minutes. ONT to SDF currently has 3 stars out of 5, an average performance at best.