Cheap Flight Tickets from Ontario (ONT) to Louisville (SDF)

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Latest Flight Deals from Ontario to Louisville

Book one-way or return flights from Ontario to Louisville from as little as AU$ 133. Choose from the popular airlines below and book your flight today!

One way
Return

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Ontario to Louisville? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Ontario to Louisville. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Ontario to Louisville

View airlines operating flights from Ontario to Louisville. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From AU$ 133

Delta Air Lines

From AU$ 228

United Airlines

From AU$ 307

Alaska Airlines

From AU$ 349

Southwest Airlines

From AU$ 356

American Airlines

From AU$ 461

ANA airlines

Find more flights and airlines

Alternative Routes from Ontario to Louisville

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Ontario to Louisville.

Cheapest
ONT
22:49
18h 3m
1 transfer
SDF
19:52
Ontario International Airport - Louisville International Airport
Tue, May 7Frontier Airlines
AU$ 133
ONT
22:49
18h 3m
1 transfer
SDF
19:52
Ontario International Airport - Louisville International Airport
Tue, May 7Frontier Airlines
AU$ 133
Find More Flights

How do I find the cheapest flights?

When are flight from Ontario (ONT) to Louisville (SDF) the cheapest?
Airlines adjust prices for flights from Ontario to Louisville based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Ontario (ONT) to Louisville (SDF) cost?
According to Trip.com's data, the lowest price is around AU$ 728.
What's the most popular airline for direct flights from Ontario (ONT) to Louisville (SDF)?
Spirit Airlines operates 3 direct flights from Ontario (ONT) to Louisville (SDF).
How many airports in Louisville (SDF)?
There are 2 airport(s) in Louisville (SDF): Louisville Bowman Field Airport and Louisville International Airport.

How to find a cheap flight from Ontario to Louisville

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to Louisville. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Flight Information from Ontario to Louisville

Cheapest direct flight price	AU$ 132
Cheapest return ticket price	AU$ 491
Off-season for travel	January
Peak season for travel	January
Flight distance	9,634.75km
Popular airline	American Airlines