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Cheap flights from Louisville to Ontario from C$ 99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Ontario departing on 30/10. 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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Find the cheapest flights from Louisville to Ontario

Cheap round-trip flights

Multiple Airlines Logo
7:15 a.m. - 8:00 p.m.SDF-YYZ
12h 45m1 stop
Multiple Airlines Logo
12:50 p.m. - 11:45 p.m.YYZ-SDF
10h 55m1 stop
C$ 292Multiple Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Multiple Airlines Logo
7:15 a.m. - 2:20 p.m.SDF-YYZ
7h 05m1 stop
Multiple Airlines Logo
7:10 a.m. - 11:45 p.m.YYZ-SDF
16h 35m1 stop
C$ 321Multiple Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
Multiple Airlines Logo
6:58 p.m. - 2:05 p.m.SDF-YYZ
19h 07m1 stop
Multiple Airlines Logo
9:35 a.m. - 9:31 a.m.YYZ-SDF
23h 56m1 stop
C$ 323Multiple Airlines
Find Deal
Thu, 23 Oct - Sun, 26 Oct
American Airlines Logo
5:53 p.m. - 11:40 a.m.SDF-YUL
17h 47m1 stop
American Airlines Logo
12:30 p.m. - 11:03 p.m.YUL-SDF
10h 33m1 stop
C$ 601American Airlines
Find Deal
Tue, 21 Oct - Thu, 23 Oct
American Airlines Logo
5:53 p.m. - 11:40 a.m.SDF-YUL
17h 47m1 stop
American Airlines Logo
12:30 p.m. - 11:03 p.m.YUL-SDF
10h 33m1 stop
C$ 678American Airlines
Find Deal
Tue, 21 Oct - Mon, 27 Oct
United Airlines Logo
8:40 a.m. - 1:32 p.m.SDF-YOW
4h 52m1 stop
United Airlines Logo
6:15 a.m. - 10:30 p.m.YOW-SDF
16h 15m1 stop
C$ 1,061United Airlines
Find Deal
Sat, 27 Dec - Thu, 1 Jan
United Airlines Logo
7:30 a.m. - 9:14 p.m.SDF-YOW
13h 44m1 stop
United Airlines Logo
2:15 p.m. - 6:49 p.m.YOW-SDF
4h 34m1 stop
C$ 1,076United Airlines
Find Deal
Wed, 18 Feb - Sun, 22 Feb
WestJet Logo
7:55 a.m. - 12:22 a.m.SDF-YOW
16h 27m2 stops
WestJet Logo
5:55 a.m. - 9:15 p.m.YOW-SDF
15h 20m2 stops
C$ 1,168WestJet
Find Deal
Fri, 10 Oct - Mon, 13 Oct
Air Canada Logo
9:00 a.m. - 5:37 p.m.SDF-YOW
8h 37m2 stops
Air Canada Logo
11:10 a.m. - 10:09 p.m.YOW-SDF
10h 59m1 stop
C$ 1,172Air Canada
Find Deal
Wed, 18 Feb - Sun, 22 Feb
Air Canada Logo
1:55 p.m. - 10:18 p.m.SDF-YOW
8h 23m2 stops
Air Canada Logo
11:10 a.m. - 10:09 p.m.YOW-SDF
10h 59m1 stop
C$ 1,186Air Canada
Find Deal
Wed, 18 Feb - Sun, 22 Feb

WestJet flights from Louisville to Region of Ontario

Our best WestJet deals on Louisville to Region of Ontario flight tickets
WestJet
10 Oct
SDF7:55 a.m.Louisville Intl
16h 27m
2 stops
YOW12:22 a.m.Ottawa
13 Oct
YOW5:55 a.m.Ottawa
15h 20m
2 stops
SDF9:15 p.m.Louisville Intl
C$ 1,168
Find similar
WestJet
24 Sep
SDF6:33 p.m.Louisville Intl
4h 23m
1 stop
YYZ10:56 p.m.Toronto Pearson Intl
26 Sep
YYZ1:20 p.m.Toronto Pearson Intl
5h 08m
1 stop
SDF6:28 p.m.Louisville Intl
C$ 1,211
Find similar
WestJet
24 Sep
SDF7:10 a.m.Louisville Intl
9h 39m
1 stop
YYZ4:49 p.m.Toronto Pearson Intl
26 Sep
YYZ10:25 p.m.Toronto Pearson Intl
24h 33m
2 stops
SDF10:58 p.m.Louisville Intl
C$ 1,244
Find similar

American Airlines flights from Louisville to Region of Ontario

Our best American Airlines deals on Louisville to Region of Ontario flight tickets
American Airlines
21 Oct
SDF5:53 p.m.Louisville Intl
17h 47m
1 stop
YUL11:40 a.m.Montreal Pierre Elliott Trudeau Intl
23 Oct
YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl
10h 33m
1 stop
SDF11:03 p.m.Louisville Intl
C$ 601
Find similar
American Airlines
21 Oct
SDF5:53 p.m.Louisville Intl
17h 47m
1 stop
YUL11:40 a.m.Montreal Pierre Elliott Trudeau Intl
27 Oct
YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl
10h 33m
1 stop
SDF11:03 p.m.Louisville Intl
C$ 678
Find similar
American Airlines
22 Sep
SDF7:00 a.m.Louisville Intl
4h 46m
1 stop
YUL11:46 a.m.Montreal Pierre Elliott Trudeau Intl
25 Sep
YUL4:09 p.m.Montreal Pierre Elliott Trudeau Intl
5h 21m
1 stop
SDF9:30 p.m.Louisville Intl
C$ 1,363
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Region of Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 17 September 2025.
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

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Fri 31/10

7:15 a.m.-8:00 p.m.

1 stop12h 45m

Toronto Pearson Intl

Fri 7/11

12:50 p.m.-11:45 p.m.

1 stop10h 55m

C$ 292

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Sat 1/11

7:15 a.m.-2:20 p.m.

1 stop7h 05m

Toronto Pearson Intl

Sat 8/11

7:10 a.m.-11:45 p.m.

1 stop16h 35m

C$ 321

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 23/10

6:58 p.m.-2:05 p.m.

1 stop19h 07m

Toronto Pearson Intl

Sun 26/10

9:35 a.m.-9:31 a.m.

1 stop23h 56m

C$ 323

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 21/10

5:53 p.m.-11:40 a.m.

1 stop17h 47m

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

12:30 p.m.-11:03 p.m.

1 stop10h 33m

C$ 601

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 21/10

5:53 p.m.-11:40 a.m.

1 stop17h 47m

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

12:30 p.m.-11:03 p.m.

1 stop10h 33m

C$ 678

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Sat 27/12

8:40 a.m.-1:32 p.m.

1 stop4h 52m

Ottawa

Thu 1/1

6:15 a.m.-10:30 p.m.

1 stop16h 15m

C$ 1,061

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Wed 18/2

7:30 a.m.-9:14 p.m.

1 stop13h 44m

Ottawa

Sun 22/2

2:15 p.m.-6:49 p.m.

1 stop4h 34m

C$ 1,076

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Fri 10/10

7:55 a.m.-12:22 a.m.

2 stops16h 27m

Ottawa

Mon 13/10

5:55 a.m.-9:15 p.m.

2 stops15h 20m

C$ 1,168

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Wed 18/2

9:00 a.m.-5:37 p.m.

2 stops8h 37m

Ottawa

Sun 22/2

11:10 a.m.-10:09 p.m.

1 stop10h 59m

C$ 1,172

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Wed 18/2

1:55 p.m.-10:18 p.m.

2 stops8h 23m

Ottawa

Sun 22/2

11:10 a.m.-10:09 p.m.

1 stop10h 59m

C$ 1,186

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Ontario from

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

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is in the afternoon. Flights from Louisville to Region of Ontario during this time can be as low as C$ 652. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 771 on average. Flights to Region of Ontario from Louisville in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Direct flights

None
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

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

  • 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.

Best airlines flying from Louisville to Region of Ontario

Compare and see reviews for airlines that fly from Louisville to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 512Free CancellationRating
7.2
3,095 reviews
Search WestJet flights

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.

An easier way to manage your Region of Ontario trip

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Find better results for your trip to Ontario

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