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

American Airlines, United Airlines, and Delta are the most popular carriers 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$ 222 Cheap Flights from Louisville to Ontario in 2026

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.

10:43 a.m. - 10:55 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

12h 12m1 stop Fort Lauderdale

9:20 a.m. - 11:48 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

26h 28m1 stop Fort Lauderdale

C$ 488Multiple Airlines

Wed, 25 Nov - Sun, 6 Dec

9:09 p.m. - 4:15 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

19h 06m1 stop Tampa

5:15 p.m. - 8:04 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

26h 49m1 stop Fort Lauderdale

C$ 495Multiple Airlines

Sun, 8 Nov - Thu, 12 Nov

10:43 a.m. - 10:55 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

12h 12m1 stop Fort Lauderdale

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

8h 09m1 stop Tampa

C$ 523Multiple Airlines

Wed, 25 Nov - Thu, 3 Dec

9:22 p.m. - 8:40 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

23h 18m1 stop Fort Myers SW Florida Intl

5:15 p.m. - 7:20 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

26h 05m1 stop Fort Lauderdale

C$ 544Multiple Airlines

Fri, 23 Oct - Thu, 29 Oct

9:09 p.m. - 2:55 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

17h 46m1 stop Tampa

7:30 a.m. - 10:25 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

26h 55m1 stop Fort Lauderdale

C$ 563Multiple Airlines

Thu, 10 Sep - Sun, 13 Sep

10:43 a.m. - 10:55 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

12h 12m1 stop Fort Lauderdale

4:50 p.m. - 11:48 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

18h 58m2 stops Tampa Fort Lauderdale

C$ 563Multiple Airlines

Wed, 25 Nov - Sun, 6 Dec

8:54 p.m. - 3:20 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

18h 26m1 stop Fort Lauderdale

9:15 a.m. - 8:29 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

11h 14m1 stop Tampa

C$ 564Multiple Airlines

Fri, 13 Nov - Sun, 15 Nov

10:43 a.m. - 10:55 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

12h 12m1 stop Fort Lauderdale

7:15 a.m. - 8:47 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

13h 32m1 stop Fort Myers SW Florida Intl

C$ 570Multiple Airlines

Wed, 25 Nov - Sat, 5 Dec

9:09 p.m. - 2:55 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

17h 46m1 stop Tampa

6:30 a.m. - 10:25 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

27h 55m1 stop Fort Lauderdale

C$ 570Multiple Airlines

Thu, 10 Sep - Sun, 20 Sep

9:22 p.m. - 8:40 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

23h 18m1 stop Fort Myers SW Florida Intl

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

12h 54m2 stops Fort Lauderdale Tampa

C$ 574Multiple Airlines

Fri, 23 Oct - Thu, 29 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

10:34 a.m. - 4:20 p.m.SDF Louisville Intl-YUL Montreal Pierre Elliott Trudeau Intl

5h 46m1 stop Detroit Metropolitan Wayne County

7:44 p.m. - 11:05 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SDF Louisville Intl

15h 21m1 stop New York LaGuardia

C$ 1,062WestJet

Fri, 28 Aug - Wed, 2 Sep

7:55 a.m. - 11:19 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

3h 24m1 stop Detroit Metropolitan Wayne County

9:45 a.m. - 1:51 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

4h 06m1 stop Detroit Metropolitan Wayne County

C$ 1,165WestJet

Thu, 27 Aug - Fri, 28 Aug

6:00 a.m. - 10:25 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

4h 25m1 stop Atlanta Hartsfield-Jackson

6:00 a.m. - 10:32 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

4h 32m1 stop Atlanta Hartsfield-Jackson

C$ 1,165WestJet

Fri, 28 Aug - Sun, 30 Aug

3:25 p.m. - 7:05 a.m.SDF Louisville Intl-YUL Montreal Pierre Elliott Trudeau Intl

15h 40m2 stops Atlanta Hartsfield-Jackson Calgary

8:00 p.m. - 10:32 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SDF Louisville Intl

14h 32m2 stops Calgary Atlanta Hartsfield-Jackson

C$ 1,184WestJet

Fri, 28 Aug - Wed, 2 Sep

3:25 p.m. - 5:45 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

14h 20m2 stops Atlanta Hartsfield-Jackson Calgary

6:15 a.m. - 11:55 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

5h 40m1 stop Minneapolis St Paul

C$ 1,188WestJet

Fri, 28 Aug - Sun, 30 Aug

3:25 p.m. - 7:05 a.m.SDF Louisville Intl-YUL Montreal Pierre Elliott Trudeau Intl

15h 40m2 stops Atlanta Hartsfield-Jackson Calgary

7:44 p.m. - 11:05 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SDF Louisville Intl

15h 21m1 stop New York LaGuardia

C$ 1,188WestJet

Fri, 28 Aug - Wed, 2 Sep

6:00 a.m. - 1:08 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

7h 08m2 stops Washington, D.C. Dulles Intl Ottawa

1:00 p.m. - 7:07 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

6h 07m1 stop Chicago O'Hare Intl

C$ 1,380United Airlines

Thu, 27 Aug - Fri, 28 Aug

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WestJet flights from Louisville to Region of Ontario

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

WestJet

5 Sep

SDF8:05 a.m.Louisville Intl

17h 00m

2 stops

YYZ1:05 a.m.Toronto Pearson Intl

6 Sep

YYZ6:00 a.m.Toronto Pearson Intl

8h 18m

1 stop

SDF2:18 p.m.Louisville Intl

C$ 721

WestJet

11 Sep

SDF5:59 p.m.Louisville Intl

14h 36m

1 stop

YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl

16 Sep

YUL6:47 p.m.Montreal Pierre Elliott Trudeau Intl

15h 32m

1 stop

SDF10:19 a.m.Louisville Intl

C$ 734

WestJet

11 Sep

SDF5:59 p.m.Louisville Intl

14h 36m

1 stop

YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl

16 Sep

YUL6:47 p.m.Montreal Pierre Elliott Trudeau Intl

15h 32m

1 stop

SDF10:19 a.m.Louisville Intl

C$ 735

Delta flights from Louisville to Region of Ontario

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

Delta

7 Sep

SDF7:55 a.m.Louisville Intl

3h 24m

1 stop

YYZ11:19 a.m.Toronto Pearson Intl

21 Sep

YYZ6:15 a.m.Toronto Pearson Intl

6h 05m

1 stop

SDF12:20 p.m.Louisville Intl

C$ 770

Delta

8 Sep

SDF6:00 p.m.Louisville Intl

5h 59m

1 stop

YYZ11:59 p.m.Toronto Pearson Intl

13 Sep

YYZ1:34 p.m.Toronto Pearson Intl

8h 25m

1 stop

SDF9:59 p.m.Louisville Intl

C$ 799

Delta

7 Sep

SDF8:05 a.m.Louisville Intl

9h 14m

1 stop

YYZ5:19 p.m.Toronto Pearson Intl

13 Sep

YYZ6:00 a.m.Toronto Pearson Intl

3h 52m

1 stop

SDF9:52 a.m.Louisville Intl

C$ 824

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Wed 25/11

10:43 a.m.-10:55 p.m.

1 stop12h 12m

Toronto Pearson Intl

Sun 6/12

9:20 a.m.-11:48 a.m.

1 stop26h 28m

C$ 488

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Sun 8/11

9:09 p.m.-4:15 p.m.

1 stop19h 06m

Toronto Pearson Intl

Thu 12/11

5:15 p.m.-8:04 p.m.

1 stop26h 49m

C$ 495

Quickest round-trip

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Wed 25/11

10:43 a.m.-10:55 p.m.

1 stop12h 12m

Toronto Pearson Intl

Thu 3/12

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

1 stop8h 09m

C$ 523

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Fri 23/10

9:22 p.m.-8:40 p.m.

1 stop23h 18m

Toronto Pearson Intl

Thu 29/10

5:15 p.m.-7:20 p.m.

1 stop26h 05m

C$ 544

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Thu 10/9

9:09 p.m.-2:55 p.m.

1 stop17h 46m

Toronto Pearson Intl

Sun 13/9

7:30 a.m.-10:25 a.m.

1 stop26h 55m

C$ 563

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Wed 25/11

10:43 a.m.-10:55 p.m.

1 stop12h 12m

Toronto Pearson Intl

Sun 6/12

4:50 p.m.-11:48 a.m.

2 stops18h 58m

C$ 563

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Fri 13/11

8:54 p.m.-3:20 p.m.

1 stop18h 26m

Toronto Pearson Intl

Sun 15/11

9:15 a.m.-8:29 p.m.

1 stop11h 14m

C$ 564

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Wed 25/11

10:43 a.m.-10:55 p.m.

1 stop12h 12m

Toronto Pearson Intl

Sat 5/12

7:15 a.m.-8:47 p.m.

1 stop13h 32m

C$ 570

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Thu 10/9

9:09 p.m.-2:55 p.m.

1 stop17h 46m

Toronto Pearson Intl

Sun 20/9

6:30 a.m.-10:25 a.m.

1 stop27h 55m

C$ 570

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Fri 23/10

9:22 p.m.-8:40 p.m.

1 stop23h 18m

Toronto Pearson Intl

Thu 29/10

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

2 stops12h 54m

C$ 574

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$ 716. 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$ 778.

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$ 222
Fastest flight time	3h 56m
Direct flights	None

The best one-way flight to Region of Ontario from Louisville in the past 72 hours is C$ 222. The best round-trip flight deal from Louisville to Region of Ontario found on momondo in the last 72 hours is C$ 488.

The fastest flight from Louisville to Region of Ontario takes 3h 56m

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.