How does KAYAK find such low prices on flights from Ontario to Louisville?

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 Ontario to Louisville. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Louisville?

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

What is the Hacker Fare option on flights from Ontario to Louisville?

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 Louisville with an airline and back to Ontario with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Louisville?

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 Louisville from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$159 CHEAP FLIGHTS from Ontario to Louisville

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Flight Deals

Cheap Flights from Ontario to Louisville

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Louisville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Louisville

Tue, Feb 24 - Wed, Feb 25

2:15 pm - 6:49 pmYOW-SDF

4h 34m1 stop

8:15 am - 1:34 pmSDF-YOW

5h 19m1 stop

$300United Airlines

Find Deal

Sat, Nov 15 - Mon, Nov 24

1:11 pm - 9:29 pmYYZ-SDF

8h 18m1 stop

12:43 pm - 9:29 pmSDF-YYZ

8h 46m1 stop

$310British Airways

Find Deal

Tue, Nov 11 - Tue, Nov 18

1:14 pm - 10:55 pmYYZ-SDF

9h 41m1 stop

7:34 am - 4:04 pmSDF-YYZ

8h 30m1 stop

$328American Airlines

Find Deal

Sat, Nov 8 - Sat, Nov 15

1:11 pm - 9:29 pmYYZ-SDF

8h 18m1 stop

7:25 am - 4:04 pmSDF-YYZ

8h 39m1 stop

$338American Airlines

Find Deal

Fri, Nov 7 - Mon, Nov 10

11:10 am - 10:29 pmYOW-SDF

11h 19m1 stop

6:45 am - 4:18 pmSDF-YOW

9h 33m2 stops

$353Air Canada

Find Deal

Sat, Nov 15 - Mon, Nov 24

8:15 pm - 8:58 amYYZ-SDF

36h 43m2 stops

9:23 am - 11:43 amSDF-YYZ

26h 20m1 stop

$367Multiple Airlines

Find Deal

Tue, Feb 24 - Wed, Feb 25

2:50 pm - 10:09 pmYOW-SDF

7h 19m2 stops

6:15 am - 4:18 pmSDF-YOW

10h 03m2 stops

$368Air Canada

Find Deal

Thu, Nov 13 - Sun, Nov 23

7:00 am - 9:04 amYYZ-SDF

26h 04m1 stop

8:31 pm - 11:38 pmSDF-YYZ

27h 07m2 stops

$368Multiple Airlines

Find Deal

Tue, Mar 31 - Fri, Apr 3

12:45 pm - 10:32 pmYUL-SDF

9h 47m1 stop

6:26 pm - 11:12 pmSDF-YUL

4h 46m1 stop

$552Delta

Find Deal

Tue, Mar 31 - Fri, Apr 3

6:15 pm - 11:56 pmYUL-SDF

5h 41m1 stop

6:26 pm - 11:12 pmSDF-YUL

4h 46m1 stop

$553Delta

Find Deal

Cheapest round-trip

$300

United Airlines

Tue 2/24Wed 2/25

YOW - SDF • 1 stop

Cheapest one-way

$159

Typical prices: $316-$336

American Airlines

Thu 11/27

YYZ - SDF • 1 stop

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Louisville!

Useful Info

Low season	January
High season	February
Cheapest flight	$159

Best time to beat the crowds but there is an average 13% increase in price.

Most popular time to fly and prices are also 19% lower on average.

Flight from Toronto to Louisville

How does KAYAK find such low prices on flights from Ontario to Louisville?
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 Ontario to Louisville.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Louisville?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to Louisville?
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 Louisville with an airline and back to Ontario with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Louisville?
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 Louisville from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

French Lick

Jeffersonville

West Baden Springs

Elizabeth

Charlestown

Brandenburg

Georgetown

Everything you need to know for your flight to Louisville

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Louisville

Louisville (SDF)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$159 Find Cheap Flights from Ontario to Louisville

KAYAK searches hundreds of travel sites at once for deals on flights to Louisville

Cheap Flights from Ontario to Louisville

Recent round-trip flight deals from Ontario to Louisville

Recent one-way flight deals from Ontario to Louisville

Recent last minute flight deals from Ontario to Louisville

Everything you should know

Good to know

FAQs for booking flights from Ontario to Louisville

How does KAYAK find such low prices on flights from Ontario to Louisville?

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 Ontario to Louisville.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Louisville?

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

What is the Hacker Fare option on flights from Ontario to Louisville?

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 Louisville with an airline and back to Ontario with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Louisville?

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 Louisville from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Louisville?

Everything you need to know for your flight to Louisville

Information on the airport you'll fly into in Louisville

Cabin class types available on flights to Ontario

Complete your trip to Louisville with a hotel stay or car rental

Find direct flights for Louisville

Flights to other popular destinations

Flights from domestic origins to Louisville

Choose which airport to fly into in Louisville

Find deals for your return flight