Which airlines fly to Louisville?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Louisville from Region of Ontario according to our data. Air Canada is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Louisville. Keep in mind that there are 4 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Louisville Intl?

American Airlines and United Airlines are the most popular carriers operating from Ontario to Louisville Intl

How many flights depart from Region of Ontario to Louisville on average per week?

The number of flights available between Region of Ontario and Louisville is 7 per week as of October 2026. The most frequent departure day is Wed, with 29% of weekly flights leaving on this day.

When did momondo last update prices for flights from Ontario to Louisville Intl Airport?

Prices for flights from Ontario to Louisville Intl Airport are updated daily.

How many operators does momondo search for flights from Ontario to Louisville Intl Airport?

The number of operators available for flights from Ontario to Louisville Intl Airport is 3 as of October 2026.

How old do you have to be to fly from Ontario to Louisville Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Louisville Intl Airport.

What documentation or ID do you need to fly to Louisville Intl Airport?

The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 337 Cheap Flights from Ontario to Louisville in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Louisville

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 a.m. - 11:48 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

28h 48m1 stop Fort Lauderdale

9:09 p.m. - 10:55 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

25h 46m2 stops Tampa Fort Lauderdale

C$ 606Multiple Airlines

Sun, 6 Dec - Sun, 13 Dec

7:35 a.m. - 8:29 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

12h 54m2 stops Fort Lauderdale Tampa

9:09 p.m. - 11:47 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

26h 38m1 stop Tampa

C$ 625Multiple Airlines

Thu, 3 Dec - Thu, 10 Dec

12:20 p.m. - 8:29 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

8h 09m1 stop Tampa

9:09 p.m. - 11:47 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

26h 38m1 stop Tampa

C$ 627Multiple Airlines

Thu, 3 Dec - Thu, 10 Dec

11:36 a.m. - 9:36 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

10h 00m1 stop Chicago O'Hare Intl

11:42 a.m. - 5:27 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

5h 45m1 stop Philadelphia

C$ 655American Airlines

Wed, 18 Nov - Fri, 20 Nov

6:23 p.m. - 9:22 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

14h 59m1 stop Chicago O'Hare Intl

6:22 a.m. - 10:56 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

4h 34m1 stop Chicago O'Hare Intl

C$ 658American Airlines

Fri, 4 Dec - Fri, 11 Dec

6:21 p.m. - 9:38 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

15h 17m1 stop Chicago O'Hare Intl

1:14 p.m. - 11:59 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

10h 45m1 stop Chicago O'Hare Intl

C$ 670American Airlines

Mon, 16 Nov - Mon, 23 Nov

8:35 a.m. - 1:26 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

4h 51m1 stop Chicago O'Hare Intl

8:45 a.m. - 1:43 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

4h 58m1 stop Newark

C$ 682United Airlines

Sat, 9 Jan - Tue, 12 Jan

6:40 p.m. - 11:58 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

5h 18m1 stop Newark

7:00 a.m. - 2:03 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

7h 03m1 stop Chicago O'Hare Intl

C$ 710United Airlines

Sat, 26 Dec - Wed, 30 Dec

6:10 a.m. - 10:47 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

4h 37m1 stop Detroit Metropolitan Wayne County

6:56 p.m. - 10:10 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

27h 14m2 stops Atlanta Hartsfield-Jackson Calgary

C$ 963WestJet

Sat, 26 Dec - Wed, 30 Dec

7:00 p.m. - 11:27 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

16h 27m2 stops Calgary Atlanta Hartsfield-Jackson

6:53 a.m. - 11:40 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

16h 47m2 stops Minneapolis St Paul Winnipeg

C$ 1,064WestJet

Sat, 26 Dec - Wed, 30 Dec

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Delta flights from Region of Ontario to Louisville

Our best Delta deals on Region of Ontario to Louisville flight tickets

Delta

1 Dec

YYZ6:00 a.m.Toronto Pearson Intl

4h 19m

1 stop

SDF10:19 a.m.Louisville Intl

8 Dec

SDF7:05 a.m.Louisville Intl

9h 09m

1 stop

YYZ4:14 p.m.Toronto Pearson Intl

C$ 675

Delta

9 Jan

YYZ6:15 a.m.Toronto Pearson Intl

7h 34m

1 stop

SDF1:49 p.m.Louisville Intl

12 Jan

SDF7:20 a.m.Louisville Intl

4h 09m

1 stop

YYZ11:29 a.m.Toronto Pearson Intl

C$ 676

Delta

23 Nov

YYZ12:15 p.m.Toronto Pearson Intl

5h 02m

1 stop

SDF5:17 p.m.Louisville Intl

29 Nov

SDF7:50 a.m.Louisville Intl

3h 29m

1 stop

YYZ11:19 a.m.Toronto Pearson Intl

C$ 677

Air Canada flights from Region of Ontario to Louisville

Our best Air Canada deals on Region of Ontario to Louisville flight tickets

Air Canada

9 Nov

YYZ4:30 p.m.Toronto Pearson Intl

6h 00m

1 stop

SDF10:30 p.m.Louisville Intl

11 Nov

SDF5:10 a.m.Louisville Intl

8h 36m

2 stops

YYZ1:46 p.m.Toronto Pearson Intl

C$ 895

Air Canada

4 Nov

YYZ3:35 p.m.Toronto Pearson Intl

6h 55m

1 stop

SDF10:30 p.m.Louisville Intl

5 Nov

SDF5:10 a.m.Louisville Intl

8h 36m

2 stops

YYZ1:46 p.m.Toronto Pearson Intl

C$ 1,068

Air Canada

23 Nov

YOW10:50 a.m.Ottawa

10h 02m

2 stops

SDF8:52 p.m.Louisville Intl

27 Nov

SDF10:27 a.m.Louisville Intl

9h 25m

2 stops

YOW7:52 p.m.Ottawa

C$ 1,103

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sun 6/12

7:00 a.m.-11:48 a.m.

1 stop28h 48m

Louisville Intl

Sun 13/12

9:09 p.m.-10:55 p.m.

2 stops25h 46m

C$ 606

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Thu 3/12

7:35 a.m.-8:29 p.m.

2 stops12h 54m

Louisville Intl

Thu 10/12

9:09 p.m.-11:47 p.m.

1 stop26h 38m

C$ 625

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Thu 3/12

12:20 p.m.-8:29 p.m.

1 stop8h 09m

Louisville Intl

Thu 10/12

9:09 p.m.-11:47 p.m.

1 stop26h 38m

C$ 627

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Wed 18/11

11:36 a.m.-9:36 p.m.

1 stop10h 00m

Louisville Intl

Fri 20/11

11:42 a.m.-5:27 p.m.

1 stop5h 45m

C$ 655

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Fri 4/12

6:23 p.m.-9:22 a.m.

1 stop14h 59m

Louisville Intl

Fri 11/12

6:22 a.m.-10:56 a.m.

1 stop4h 34m

C$ 658

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Mon 16/11

6:21 p.m.-9:38 a.m.

1 stop15h 17m

Louisville Intl

Mon 23/11

1:14 p.m.-11:59 p.m.

1 stop10h 45m

C$ 670

Quickest round-trip

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sat 9/1

8:35 a.m.-1:26 p.m.

1 stop4h 51m

Louisville Intl

Tue 12/1

8:45 a.m.-1:43 p.m.

1 stop4h 58m

C$ 682

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sat 26/12

6:40 p.m.-11:58 p.m.

1 stop5h 18m

Louisville Intl

Wed 30/12

7:00 a.m.-2:03 p.m.

1 stop7h 03m

C$ 710

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sat 26/12

6:10 a.m.-10:47 a.m.

1 stop4h 37m

Louisville Intl

Wed 30/12

6:56 p.m.-10:10 p.m.

2 stops27h 14m

C$ 963

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sat 26/12

7:00 p.m.-11:27 a.m.

2 stops16h 27m

Louisville Intl

Wed 30/12

6:53 a.m.-11:40 p.m.

2 stops16h 47m

C$ 1,064

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Louisville?

In general, September is the cheapest month to fly from Region of Ontario to Louisville. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 663. The month of April is another great option to travel to Louisville, with average flight prices from Region of Ontario averaging around C$ 683.

Cheap Region of Ontario to Louisville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Louisville

Best price found	C$ 337
Fastest flight time	5h 01m
Direct flights	None

The best one-way flight to Louisville from Region of Ontario in the past 72 hours is C$ 337. The best round-trip flight deal from Region of Ontario to Louisville found on momondo in the last 72 hours is C$ 606.

The fastest flight from Region of Ontario to Louisville takes 5h 01m

There are no direct flights from Region of Ontario to Louisville. There are no popular flight routes from Region of Ontario to Louisville.

Search flight deals

Frequently asked questions about flying from Ontario to Louisville

When did momondo last update prices for flights from Ontario to Louisville Intl Airport?
Prices for flights from Ontario to Louisville Intl Airport are updated daily.
How many operators does momondo search for flights from Ontario to Louisville Intl Airport?
The number of operators available for flights from Ontario to Louisville Intl Airport is 3 as of October 2026.
How old do you have to be to fly from Ontario to Louisville Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to Louisville

Compare and see reviews for airlines that fly from Region of Ontario to Louisville with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 432	Free Cancellation	Rating 7.3 10,394 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 500	Free Cancellation	Rating 7.2 3,447 reviews	Search WestJet flights
American Airlines	PriceFrom C$ 548	Free Cancellation	Rating 7.0 12,181 reviews	Search American Airlines flights

Shepherdsville

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Louisville?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Louisville . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Louisville with flexible booking policies on momondo?

momondo does allow users to show only those flights to Louisville from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Louisville?

momondo provides multiple filters to help you find the best flight to Louisville from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Louisville right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Louisville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Louisville and let you know when they change.

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Cheap flights from Ontario to Louisville from C$ 337

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Louisville departing on 3/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Region of Ontario to Louisville

Our best Delta deals on Region of Ontario to Louisville flight tickets

Air Canada flights from Region of Ontario to Louisville

Our best Air Canada deals on Region of Ontario to Louisville flight tickets

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How to get the cheapest flight ticket from Region of Ontario to Louisville

What is the cheapest month to fly to Louisville?

What is the cheapest airline that flies from Ontario to Louisville Intl?

Which airlines fly to Louisville?

How many flights depart from Region of Ontario to Louisville on average per week?

Cheap Region of Ontario to Louisville flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Louisville

Best airlines flying from Region of Ontario to Louisville

Compare and see reviews for airlines that fly from Region of Ontario to Louisville with momondo

Travelling to a place near Louisville?

Why use momondo?

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to the United States

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