$139 Find Cheap Flights from Louisville to Ontario - Compare and Save

In the last 5 days, the lowest price for a flight from Louisville to Ontario was $139 for a one-way ticket and $254 for a round-trip.

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We unfortunately don’t have that data for this specific route.

oneworld is the only airline alliance operating flights between Louisville and Ontario.

The two airlines most popular with KAYAK users for flights from Louisville to Ontario are Southwest and American Airlines. With an average price for the route of $484 and an overall rating of 8.0, Southwest is the most popular choice. American Airlines is also a great choice for the route, with an average price of $421 and an overall rating of 7.1.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Louisville to Ontario.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Louisville is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Louisville with another airline. Booking your flights between Louisville and ONT can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Louisville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.