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

American Airlines is the most popular carrier operating from Louisville Intl to Ontario

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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Louisville Intl Airport to Ontario.

What documentation or ID do you need to fly to Ontario?

The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 239 Cheap Flights from Louisville to Ontario in 2026/27

Find the cheapest flights from Louisville to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:08 p.m. - 5:10 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

23h 02m1 stop Fort Lauderdale

9:20 a.m. - 5:18 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

7h 58m1 stop Fort Lauderdale

C$ 512Multiple Airlines

Wed, 10 Mar - Wed, 17 Mar

3:50 p.m. - 5:40 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

25h 50m1 stop Tampa St. Petersburg

4:50 p.m. - 5:09 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

24h 19m1 stop Tampa

C$ 519Multiple Airlines

Mon, 1 Feb - Sun, 7 Feb

3:50 p.m. - 5:40 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

25h 50m1 stop Tampa St. Petersburg

9:15 a.m. - 5:09 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

7h 54m1 stop Tampa

C$ 531Multiple Airlines

Mon, 1 Feb - Fri, 5 Feb

3:50 p.m. - 5:40 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

25h 50m1 stop Tampa St. Petersburg

9:15 a.m. - 5:09 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

7h 54m1 stop Tampa

C$ 540Multiple Airlines

Mon, 1 Feb - Mon, 8 Feb

3:50 p.m. - 5:40 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

25h 50m1 stop Tampa St. Petersburg

7:00 a.m. - 5:31 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

10h 31m1 stop Tampa

C$ 555Multiple Airlines

Mon, 1 Feb - Thu, 11 Feb

3:36 p.m. - 7:15 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

27h 39m1 stop Tampa St. Petersburg

7:00 a.m. - 5:31 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

10h 31m1 stop Tampa

C$ 557Multiple Airlines

Fri, 5 Feb - Thu, 11 Feb

5:12 p.m. - 1:40 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

20h 28m2 stops Raleigh-Durham Orlando

5:15 p.m. - 8:51 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

27h 36m1 stop Fort Myers SW Florida Intl

C$ 571Multiple Airlines

Wed, 2 Dec - Fri, 8 Jan

3:50 p.m. - 5:40 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

25h 50m1 stop Tampa St. Petersburg

8:30 p.m. - 3:14 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

18h 44m1 stop Orlando

C$ 576Multiple Airlines

Mon, 1 Feb - Sat, 6 Feb

6:49 p.m. - 11:55 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

29h 06m1 stop Fort Lauderdale

9:15 a.m. - 5:09 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

7h 54m1 stop Tampa

C$ 578Multiple Airlines

Thu, 4 Feb - Mon, 8 Feb

9:09 p.m. - 9:22 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

24h 13m1 stop Tampa

12:20 p.m. - 10:59 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

22h 39m2 stops Tampa New Orleans Louis Armstrong

C$ 589Multiple Airlines

Thu, 3 Dec - Thu, 10 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:07 p.m. - 11:29 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

5h 22m1 stop Chicago O'Hare Intl

7:09 a.m. - 12:43 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

5h 34m1 stop Chicago O'Hare Intl

C$ 753Multiple Airlines

Tue, 27 Oct - Tue, 3 Nov

6:29 a.m. - 2:33 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

8h 04m1 stop Chicago O'Hare Intl

1:15 p.m. - 9:35 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

8h 20m1 stop Chicago O'Hare Intl

C$ 932Multiple Airlines

Sat, 24 Oct - Wed, 28 Oct

7:08 p.m. - 3:00 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

19h 52m1 stop Fort Lauderdale

6:33 p.m. - 7:44 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

25h 11m2 stops Atlanta Hartsfield-Jackson Sarasota Bradenton Intl

C$ 1,016Multiple Airlines

Mon, 26 Oct - Wed, 28 Oct

6:29 a.m. - 12:34 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

6h 05m1 stop Chicago O'Hare Intl

7:29 a.m. - 5:05 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

9h 36m1 stop Chicago O'Hare Intl

C$ 1,056Multiple Airlines

Tue, 27 Oct - Thu, 29 Oct

7:08 p.m. - 3:00 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

19h 52m1 stop Fort Lauderdale

6:00 a.m. - 9:59 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

3h 59m1 stop Detroit Metropolitan Wayne County

C$ 1,057Multiple Airlines

Mon, 26 Oct - Wed, 28 Oct

6:29 a.m. - 10:59 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

4h 30m1 stop Chicago O'Hare Intl

6:15 a.m. - 2:18 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

8h 03m1 stop Philadelphia

C$ 1,099American Airlines

Sat, 24 Oct - Sat, 31 Oct

10:55 a.m. - 3:20 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

52h 25m2 stops Raleigh-Durham Fort Lauderdale

11:38 a.m. - 4:49 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

5h 11m1 stop Atlanta Hartsfield-Jackson

C$ 1,151Multiple Airlines

Sat, 24 Oct - Wed, 28 Oct

7:05 a.m. - 12:19 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

5h 14m1 stop Atlanta Hartsfield-Jackson

6:30 a.m. - 9:02 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

50h 32m2 stops Orlando Charleston

C$ 1,181Multiple Airlines

Sat, 24 Oct - Sat, 31 Oct

10:39 a.m. - 5:19 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

6h 40m1 stop Detroit Metropolitan Wayne County

7:15 a.m. - 3:26 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

32h 11m2 stops Fort Myers SW Florida Intl Raleigh-Durham

C$ 1,237Multiple Airlines

Tue, 27 Oct - Tue, 3 Nov

5:59 p.m. - 11:36 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

5h 37m1 stop New York LaGuardia

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

12h 54m2 stops Fort Lauderdale Tampa

C$ 1,317Multiple Airlines

Tue, 27 Oct - Thu, 29 Oct

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American Airlines flights from Louisville to Region of Ontario

Our best American Airlines deals on Louisville to Region of Ontario flight tickets

American Airlines

23 Nov

SDF6:02 a.m.Louisville Intl

10h 31m

1 stop

YYZ4:33 p.m.Toronto Pearson Intl

26 Nov

YYZ12:15 p.m.Toronto Pearson Intl

29h 35m

1 stop

SDF5:50 p.m.Louisville Intl

C$ 617

American Airlines

23 Nov

SDF6:02 a.m.Louisville Intl

10h 31m

1 stop

YYZ4:33 p.m.Toronto Pearson Intl

26 Nov

YYZ12:15 p.m.Toronto Pearson Intl

23h 00m

2 stops

SDF11:15 a.m.Louisville Intl

C$ 631

American Airlines

12 Nov

SDF6:30 a.m.Louisville Intl

10h 04m

1 stop

YYZ4:34 p.m.Toronto Pearson Intl

26 Nov

YYZ12:15 p.m.Toronto Pearson Intl

29h 35m

1 stop

SDF5:50 p.m.Louisville Intl

C$ 641

WestJet flights from Louisville to Region of Ontario

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

WestJet

31 Oct

SDF6:00 a.m.Louisville Intl

14h 20m

2 stops

YYZ8:20 p.m.Toronto Pearson Intl

31 Oct

YYZ10:20 p.m.Toronto Pearson Intl

24h 18m

2 stops

SDF10:38 p.m.Louisville Intl

C$ 1,439

WestJet

5 Nov

SDF7:00 a.m.Louisville Intl

15h 40m

2 stops

YYZ10:40 p.m.Toronto Pearson Intl

8 Nov

YYZ10:20 p.m.Toronto Pearson Intl

24h 26m

2 stops

SDF10:46 p.m.Louisville Intl

C$ 1,556

WestJet

24 Oct

SDF6:39 p.m.Louisville Intl

36h 06m

2 stops

YYZ6:45 a.m.Toronto Pearson Intl

31 Oct

YYZ11:00 p.m.Toronto Pearson Intl

14h 54m

2 stops

SDF1:54 p.m.Louisville Intl

C$ 1,786

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Wed 10/3

6:08 p.m.-5:10 p.m.

1 stop23h 02m

Toronto Pearson Intl

Wed 17/3

9:20 a.m.-5:18 p.m.

1 stop7h 58m

C$ 512

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Mon 1/2

3:50 p.m.-5:40 p.m.

1 stop25h 50m

Toronto Pearson Intl

Sun 7/2

4:50 p.m.-5:09 p.m.

1 stop24h 19m

C$ 519

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Mon 1/2

3:50 p.m.-5:40 p.m.

1 stop25h 50m

Toronto Pearson Intl

Fri 5/2

9:15 a.m.-5:09 p.m.

1 stop7h 54m

C$ 531

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Mon 1/2

3:50 p.m.-5:40 p.m.

1 stop25h 50m

Toronto Pearson Intl

Mon 8/2

9:15 a.m.-5:09 p.m.

1 stop7h 54m

C$ 540

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Mon 1/2

3:50 p.m.-5:40 p.m.

1 stop25h 50m

Toronto Pearson Intl

Thu 11/2

7:00 a.m.-5:31 p.m.

1 stop10h 31m

C$ 555

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Fri 5/2

3:36 p.m.-7:15 p.m.

1 stop27h 39m

Toronto Pearson Intl

Thu 11/2

7:00 a.m.-5:31 p.m.

1 stop10h 31m

C$ 557

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Wed 2/12

5:12 p.m.-1:40 p.m.

2 stops20h 28m

Toronto Pearson Intl

Fri 8/1

5:15 p.m.-8:51 p.m.

1 stop27h 36m

C$ 571

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Mon 1/2

3:50 p.m.-5:40 p.m.

1 stop25h 50m

Toronto Pearson Intl

Sat 6/2

8:30 p.m.-3:14 p.m.

1 stop18h 44m

C$ 576

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Thu 4/2

6:49 p.m.-11:55 p.m.

1 stop29h 06m

Toronto Pearson Intl

Mon 8/2

9:15 a.m.-5:09 p.m.

1 stop7h 54m

C$ 578

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Thu 3/12

9:09 p.m.-9:22 p.m.

1 stop24h 13m

Toronto Pearson Intl

Thu 10/12

12:20 p.m.-10:59 a.m.

2 stops22h 39m

C$ 589

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 Louisville to Region of Ontario

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

What is the cheapest month to fly to Region of Ontario?

In general, January is the cheapest month to fly from Louisville to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 725. If you are unable to visit Region of Ontario during the month of January, then departing from Louisville during the month May is also very affordable. Most momondo users find prices during this month for around C$ 788.

Cheap Louisville to Region of Ontario flight deals and tips

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

Best price found	C$ 239
Fastest flight time	4h 18m
Direct flights	None

The best one-way flight to Region of Ontario from Louisville in the past 72 hours is C$ 239. The best round-trip flight deal from Louisville to Region of Ontario found on momondo in the last 72 hours is C$ 512.

The fastest flight from Louisville to Region of Ontario takes 4h 18m

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

Search flight deals

Frequently asked questions about flying from Louisville to Ontario

When did momondo last update prices for flights from Louisville Intl Airport to Ontario?
Prices for flights from Louisville Intl Airport to Ontario are updated daily.
How old do you have to be to fly from Louisville Intl Airport to Ontario?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Louisville Intl Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

Finding the right flight to Ontario from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Yes. All flights to Ontario from Louisville on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Louisville and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Louisville to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.