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>

C$ 252 CHEAP FLIGHTS from Ontario to Louisville

SDF

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Cheap Flight Deals 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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Louisville

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to Louisville.

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

6:30 a.m. - 11:38 p.m.YYZ-SDF

17h 08m1 stop

3:05 p.m. - 2:05 p.m.SDF-YYZ

23h 00m2 stops

C$ 432

Find Deal

Sat, 14 Jun - Sat, 21 Jun

6:30 a.m. - 11:38 p.m.YYZ-SDF

17h 08m1 stop

5:03 a.m. - 2:05 p.m.SDF-YYZ

9h 02m1 stop

C$ 447

Find Deal

Sat, 14 Jun - Sat, 21 Jun

3:10 p.m. - 11:01 p.m.YYZ-SDF

7h 51m1 stop

5:45 a.m. - 2:30 p.m.SDF-YYZ

8h 45m1 stop

C$ 451American Airlines

Find Deal

Thu, 15 May - Sun, 18 May

12:05 p.m. - 7:46 p.m.YYZ-SDF

7h 41m2 stops

6:00 a.m. - 11:59 a.m.SDF-YYZ

5h 59m1 stop

C$ 453United Airlines

Find Deal

Wed, 28 May - Fri, 30 May

6:30 a.m. - 12:13 p.m.YYZ-SDF

29h 43m2 stops

3:05 p.m. - 2:05 p.m.SDF-YYZ

23h 00m2 stops

C$ 509

Find Deal

Sat, 14 Jun - Sat, 21 Jun

6:05 p.m. - 10:01 p.m.YYZ-SDF

3h 56m1 stop

6:19 a.m. - 11:40 a.m.SDF-YYZ

5h 21m1 stop

C$ 512WestJet

Find Deal

Sat, 17 May - Sun, 18 May

6:30 p.m. - 11:55 a.m.YYZ-SDF

17h 25m2 stops

7:05 a.m. - 4:59 p.m.SDF-YYZ

9h 54m1 stop

C$ 526WestJet

Find Deal

Mon, 26 May - Mon, 2 Jun

6:05 p.m. - 9:26 p.m.YYZ-SDF

3h 21m1 stop

6:00 a.m. - 10:20 a.m.SDF-YYZ

4h 20m1 stop

C$ 536Delta

Find Deal

Mon, 12 May - Thu, 15 May

6:15 a.m. - 2:57 p.m.YYZ-SDF

8h 42m1 stop

5:00 p.m. - 11:29 a.m.SDF-YYZ

18h 29m2 stops

C$ 675Delta

Find Deal

Wed, 15 Oct - Mon, 20 Oct

4:31 p.m. - 10:30 p.m.YUL-SDF

5h 59m1 stop

10:08 a.m. - 3:50 p.m.SDF-YUL

5h 42m1 stop

C$ 700United Airlines

Find Deal

Mon, 12 May - Wed, 14 May

Useful Info

Low season	January
High season	February
Cheapest flight	C$ 252

Best time to beat the crowds but there is an average 16% increase in price.

Most popular time to fly and prices are also 16% 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.

Shepherdsville

Elizabethtown

French Lick

Bardstown

Jeffersonville

Georgetown

Everything you need to know for your flight to Louisville

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Louisville

Louisville (SDF)

SDF

C$ 252 Find Cheap Flights from Ontario to Louisville

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

Cheap Flight Deals 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

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.

Travelling 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

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