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Cheap flights from Louisville to Ontario from C$ 269

SDF — YYZ
24 Nov — 1 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Louisville to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Louisville to Ontario

Mon 23/116:02 a.m. -
1 stop10h 31m
Thu 26/1112:15 p.m. -
1 stop29h 35m
Deal found 22/10C$ 615
Thu 12/116:30 a.m. -
1 stop10h 04m
Thu 26/1112:15 p.m. -
1 stop29h 35m
Deal found 21/10C$ 639
Thu 24/129:09 p.m. -
1 stop26h 28m
Thu 31/127:35 a.m. -
2 stops12h 54m
Deal found 22/10C$ 686
Thu 10/126:22 a.m. -
1 stop8h 20m
Sat 12/1211:36 a.m. -
1 stop10h 01m
Deal found 20/10C$ 688
Thu 24/129:09 p.m. -
1 stop26h 28m
Wed 30/128:45 p.m. -
2 stops35h 17m
Deal found 22/10C$ 699
Tue 27/106:07 p.m. -
1 stop5h 22m
Tue 3/117:09 a.m. -
1 stop5h 34m
Deal found 20/10C$ 751
Mon 16/111:14 p.m. -
1 stop10h 32m
Tue 17/1111:36 a.m. -
1 stop10h 00m
Deal found 21/10C$ 753
Mon 23/116:54 p.m. -
1 stop22h 16m
Mon 30/117:35 a.m. -
1 stop10h 19m
Deal found 24/10C$ 784
Fri 27/117:04 p.m. -
1 stop28h 16m
Mon 30/119:20 a.m. -
1 stop8h 34m
Deal found 20/10C$ 788

Find flight deals from Louisville to Ontario

Round-trip from

C$ 469

One-way from

C$ 269

Popular in

December

Cheapest in

March

Average price

C$ 926
22/2-26/2
  • 22/2-26/2
  • 2 total stops
  • 36h 45m total
  • Louisville to Ontario
Search Deals
6/11-31/12
  • 6/11-31/12
  • 1 total stop
  • 17h 56m total
  • Louisville to Ontario
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (C$ 571 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 65 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Louisville to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Fri 6/11

8:54 p.m.-2:50 p.m.

1 stop17h 56m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 269

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Fri 27/11

10:01 a.m.-11:59 p.m.

1 stop13h 58m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 270

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Mon 9/11

6:53 p.m.-2:50 p.m.

1 stop19h 57m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 326

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Sat 7/11

6:27 a.m.-12:32 p.m.

1 stop6h 05m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 396
Quickest round-trip

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Fri 18/12

6:00 p.m.-11:59 p.m.

1 stop5h 59m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 412

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Sat 31/10

10:55 a.m.-2:40 p.m.

2 stops27h 45m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 503

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Sat 7/11

7:00 a.m.-8:35 a.m.

2 stops25h 35m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 585

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Mon 23/11

6:02 a.m.-4:33 p.m.

1 stop10h 31m

Toronto Pearson Intl

Thu 26/11

12:15 p.m.-11:15 a.m.

2 stops23h 00m

C$ 629

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Fri 5/2

12:09 p.m.-11:50 p.m.

1 stop11h 41m

Toronto Pearson Intl

Sat 6/2

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

1 stop18h 44m

C$ 633

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Fri 18/12

9:50 a.m.-10:56 p.m.

2 stops13h 06m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 651

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/10

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Louisville to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Louisville with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Louisville to Ontario

What is the cheapest month to book a flight from Louisville to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Louisville to Region of Ontario (average of C$ 723). Flying from Louisville to Region of Ontario in December is currently the most expensive (average of C$ 1,286). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

  • What airport do you fly from for flights from Louisville to Ontario?

    Most people fly from Louisville Intl (SDF) if they book a flight from Louisville to Ontario. Louisville Intl is conveniently located just 8.5 km from Louisville’s city centre.

  • How long is the flight from Louisville to Region of Ontario?

    Airlines like American Airlines and United Airlines fly from Louisville to Region of Ontario in about 8h 12m. The time it takes to get you to your destination can typically vary by up to 2h 19m. Louisville and Region of Ontario are separated by a distance of 798 km. This flight may include one or multiple stops.

  • What are the most popular routes from Louisville to Region of Ontario?

    The most popular route from Louisville to Region of Ontario is Louisville Intl - Montreal Pierre Elliott Trudeau Intl. You may also consider Louisville Intl - Toronto Pearson Intl or Louisville Intl - Ottawa.

  • Can I find deals for flights from Louisville to Ontario that include hotel bookings?

    Yes. In addition to deals on Louisville to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Ontario.

  • Can I find deals for business class flights from Louisville to Ontario?

    Yes. Cheapflights offers flight deals from Louisville to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Louisville to Region of Ontario (average of C$ 723). Flying from Louisville to Region of Ontario in December is currently the most expensive (average of C$ 1,286). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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How does Cheapflights help users find flights from Louisville to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Louisville to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Louisville to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Louisville to Ontario.

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