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Cheap flights from Louisville to Ontario from C$ 242

SDF — YYZ
7 Oct — 14 Oct1
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

Thu 8/109:09 p.m. -
1 stop17h 46m
Wed 14/107:45 a.m. -
2 stops12h 46m
Deal found 4/9C$ 524
Thu 17/99:09 p.m. -
1 stop17h 46m
Sun 20/96:30 a.m. -
1 stop27h 55m
Deal found 4/9C$ 595
Wed 11/116:21 a.m. -
1 stop8h 13m
Fri 13/116:21 p.m. -
1 stop15h 17m
Deal found 2/9C$ 625
Sat 17/1012:54 p.m. -
1 stop26h 01m
Tue 20/106:00 a.m. -
1 stop3h 59m
Deal found 4/9C$ 632
Sat 3/109:11 p.m. -
2 stops16h 34m
Sat 10/101:34 p.m. -
1 stop20h 47m
Deal found 5/9C$ 721
Fri 9/109:42 p.m. -
1 stop22h 58m
Mon 12/1012:10 p.m. -
1 stop5h 08m
Deal found 6/9C$ 733
Thu 24/129:09 p.m. -
1 stop19h 06m
Wed 30/124:40 p.m. -
1 stop27h 49m
Deal found 5/9C$ 736
Sun 4/108:40 a.m. -
1 stop6h 19m
Wed 14/101:15 p.m. -
1 stop8h 20m
Deal found 2/9C$ 757
Tue 27/1011:50 a.m. -
1 stop7h 08m
Mon 9/116:45 a.m. -
2 stops11h 18m
Deal found 4/9C$ 783
Sat 24/106:15 a.m. -
1 stop6h 54m
Sat 31/104:15 p.m. -
1 stop5h 54m
Deal found 5/9C$ 793
Sat 17/105:19 p.m. -
1 stop18h 25m
Sat 24/107:26 a.m. -
1 stop7h 25m
Deal found 2/9C$ 804
Tue 27/1011:06 a.m. -
1 stop6h 32m
Sun 8/116:50 p.m. -
1 stop5h 09m
Deal found 4/9C$ 809

Find flight deals from Louisville to Ontario

Round-trip from

C$ 524

One-way from

C$ 242

Popular in

October

Cheapest in

March

Average price

C$ 865
8/10-14/10
  • 8/10-14/10
  • 3 total stops
  • 30h 32m total
  • Louisville to Ontario
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17/9-31/12
  • 17/9-31/12
  • 1 total stop
  • 17h 46m total
  • Louisville to Ontario
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 410 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease (C$ 98 potential savings vs. average RT price).
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Average for round-trip flights in September 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

Thu 17/9

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

1 stop17h 46m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 242

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Sun 18/10

9:18 p.m.-9:55 p.m.

2 stops24h 37m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 267

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Wed 21/10

10:55 a.m.-4:55 p.m.

3 stops30h 00m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 289

LouisvilleMontreal

SDF Louisville Intl - YUL Montreal Pierre Elliott Trudeau Intl

SDFYUL

Louisville Intl

Tue 27/10

6:29 a.m.-4:52 p.m.

1 stop10h 23m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

Nonstop0h 00m

C$ 336

LouisvilleMontreal

SDF Louisville Intl - YUL Montreal Pierre Elliott Trudeau Intl

SDFYUL

Louisville Intl

Fri 25/9

9:42 p.m.-12:25 a.m.

2 stops26h 43m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

Nonstop0h 00m

C$ 357

LouisvilleMontreal

SDF Louisville Intl - YUL Montreal Pierre Elliott Trudeau Intl

SDFYUL

Louisville Intl

Tue 20/10

10:08 a.m.-4:52 p.m.

1 stop6h 44m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

Nonstop0h 00m

C$ 379

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Thu 8/10

7:00 a.m.-1:42 p.m.

1 stop6h 42m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 418
Quickest round-trip

LouisvilleMontreal

SDF Louisville Intl - YUL Montreal Pierre Elliott Trudeau Intl

SDFYUL

Louisville Intl

Sun 18/10

7:55 a.m.-11:57 a.m.

1 stop4h 02m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

Nonstop0h 00m

C$ 441

LouisvilleMontreal

SDF Louisville Intl - YUL Montreal Pierre Elliott Trudeau Intl

SDFYUL

Louisville Intl

Tue 20/10

6:00 a.m.-12:25 a.m.

2 stops18h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

Nonstop0h 00m

C$ 447

LouisvilleMontreal

SDF Louisville Intl - YUL Montreal Pierre Elliott Trudeau Intl

SDFYUL

Louisville Intl

Sun 18/10

7:15 a.m.-12:26 p.m.

1 stop5h 11m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

Nonstop0h 00m

C$ 447

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 45 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$ 714). Flying from Louisville to Region of Ontario in December is currently the most expensive (average of C$ 1,270). 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.

How much does it cost to fly round-trip from Louisville to Region of Ontario?

Airfare is below average for this route at the moment.
Louisville to Region of Ontario flights typically cost between C$ 827 and C$ 908 in October.
The cheapest round-trip price found within the last 5 days was C$ 524 on Multiple Airlines (8 Oct-14 Oct).

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, United Airlines, and Delta fly from Louisville to Region of Ontario in about 6h 19m. The time it takes to get you to your destination can typically vary by up to 11h 23m. 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$ 714). Flying from Louisville to Region of Ontario in December is currently the most expensive (average of C$ 1,270). 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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