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Cheap flights from Ontario to Louisville from C$ 233

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Louisville departing on 31/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Ontario to Louisville

Cheap round-trip flights

Logo
4:00 p.m. - 9:19 a.m.YYZ-SDF
17h 19m1 stop
Logo
8:23 a.m. - 2:05 p.m.SDF-YYZ
29h 42m1 stop
C$ 452
Find Deal
Fri, 26 Sep - Fri, 3 Oct
Logo
4:00 p.m. - 9:19 a.m.YYZ-SDF
17h 19m1 stop
Logo
8:23 a.m. - 9:21 p.m.SDF-YYZ
12h 58m2 stops
C$ 460
Find Deal
Fri, 26 Sep - Fri, 3 Oct
American Airlines Logo
7:50 a.m. - 11:03 p.m.YUL-SDF
15h 13m2 stops
American Airlines Logo
7:00 a.m. - 4:33 p.m.SDF-YUL
9h 33m1 stop
C$ 485American Airlines
Find Deal
Sat, 13 Sep - Sat, 20 Sep
American Airlines Logo
12:31 p.m. - 11:03 p.m.YUL-SDF
10h 32m1 stop
American Airlines Logo
6:12 p.m. - 11:46 a.m.SDF-YUL
17h 34m1 stop
C$ 497American Airlines
Find Deal
Sat, 13 Sep - Sat, 20 Sep
United Airlines Logo
10:00 a.m. - 10:24 p.m.YYZ-SDF
12h 24m1 stop
United Airlines Logo
9:05 a.m. - 4:43 p.m.SDF-YYZ
7h 38m1 stop
C$ 563United Airlines
Find Deal
Mon, 1 Sep - Thu, 11 Sep
United Airlines Logo
7:00 a.m. - 1:21 p.m.YYZ-SDF
6h 21m1 stop
United Airlines Logo
7:20 p.m. - 4:43 p.m.SDF-YYZ
21h 23m1 stop
C$ 675United Airlines
Find Deal
Wed, 1 Oct - Wed, 1 Oct
WestJet Logo
6:30 p.m. - 9:27 a.m.YYZ-SDF
14h 57m2 stops
WestJet Logo
6:00 a.m. - 11:38 a.m.SDF-YYZ
5h 38m1 stop
C$ 765WestJet
Find Deal
Fri, 12 Sep - Sun, 14 Sep
Delta Logo
6:00 a.m. - 12:51 p.m.YUL-SDF
6h 51m1 stop
Delta Logo
10:45 a.m. - 9:57 p.m.SDF-YUL
11h 12m2 stops
C$ 773Delta
Find Deal
Wed, 10 Sep - Wed, 17 Sep
WestJet Logo
6:30 p.m. - 1:48 p.m.YYZ-SDF
19h 18m2 stops
WestJet Logo
7:40 a.m. - 9:04 a.m.SDF-YYZ
25h 24m1 stop
C$ 778WestJet
Find Deal
Sat, 27 Dec - Sat, 3 Jan
Delta Logo
7:00 a.m. - 2:24 p.m.YUL-SDF
7h 24m1 stop
Delta Logo
6:33 p.m. - 11:29 p.m.SDF-YUL
4h 56m1 stop
C$ 952Delta
Find Deal
Sat, 20 Sep - Sun, 21 Sep

WestJet flights from Region of Ontario to Louisville

Our best WestJet deals on Region of Ontario to Louisville flight tickets
WestJet
12 Sep
YYZ6:30 p.m.Toronto Pearson Intl
14h 57m
2 stops
SDF9:27 a.m.Louisville Intl
14 Sep
SDF6:00 a.m.Louisville Intl
5h 38m
1 stop
YYZ11:38 a.m.Toronto Pearson Intl
C$ 765
Find similar
WestJet
27 Dec
YYZ6:30 p.m.Toronto Pearson Intl
19h 18m
2 stops
SDF1:48 p.m.Louisville Intl
3 Jan
SDF7:40 a.m.Louisville Intl
25h 24m
1 stop
YYZ9:04 a.m.Toronto Pearson Intl
C$ 778
Find similar
WestJet
27 Dec
YYZ6:30 p.m.Toronto Pearson Intl
15h 48m
2 stops
SDF10:18 a.m.Louisville Intl
3 Jan
SDF6:04 p.m.Louisville Intl
15h 00m
1 stop
YYZ9:04 a.m.Toronto Pearson Intl
C$ 780
Find similar

United Airlines flights from Region of Ontario to Louisville

Our best United Airlines deals on Region of Ontario to Louisville flight tickets
United Airlines
1 Sep
YYZ10:00 a.m.Toronto Pearson Intl
12h 24m
1 stop
SDF10:24 p.m.Louisville Intl
11 Sep
SDF9:05 a.m.Louisville Intl
7h 38m
1 stop
YYZ4:43 p.m.Toronto Pearson Intl
C$ 563
Find similar
United Airlines
1 Oct
YYZ7:00 a.m.Toronto Pearson Intl
6h 21m
1 stop
SDF1:21 p.m.Louisville Intl
1 Oct
SDF7:20 p.m.Louisville Intl
21h 23m
1 stop
YYZ4:43 p.m.Toronto Pearson Intl
C$ 675
Find similar
United Airlines
12 Sep
YYZ12:45 p.m.Toronto Pearson Intl
4h 30m
1 stop
SDF5:15 p.m.Louisville Intl
14 Sep
SDF7:20 a.m.Louisville Intl
4h 29m
1 stop
YYZ11:49 a.m.Toronto Pearson Intl
C$ 712
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Louisville 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 13 August 2025.
Use the filters below to find and compare flights from Ontario to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 26/9

4:00 p.m.-9:19 a.m.

1 stop17h 19m

Louisville Intl

Fri 3/10

8:23 a.m.-2:05 p.m.

1 stop29h 42m

C$ 452

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 26/9

4:00 p.m.-9:19 a.m.

1 stop17h 19m

Louisville Intl

Fri 3/10

8:23 a.m.-9:21 p.m.

2 stops12h 58m

C$ 460

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sat 13/9

7:50 a.m.-11:03 p.m.

2 stops15h 13m

Louisville Intl

Sat 20/9

7:00 a.m.-4:33 p.m.

1 stop9h 33m

C$ 485

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sat 13/9

12:31 p.m.-11:03 p.m.

1 stop10h 32m

Louisville Intl

Sat 20/9

6:12 p.m.-11:46 a.m.

1 stop17h 34m

C$ 497

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Mon 1/9

10:00 a.m.-10:24 p.m.

1 stop12h 24m

Louisville Intl

Thu 11/9

9:05 a.m.-4:43 p.m.

1 stop7h 38m

C$ 563

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 1/10

7:00 a.m.-1:21 p.m.

1 stop6h 21m

Louisville Intl

Wed 1/10

7:20 p.m.-4:43 p.m.

1 stop21h 23m

C$ 675

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 12/9

6:30 p.m.-9:27 a.m.

2 stops14h 57m

Louisville Intl

Sun 14/9

6:00 a.m.-11:38 a.m.

1 stop5h 38m

C$ 765

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

6:00 a.m.-12:51 p.m.

1 stop6h 51m

Louisville Intl

Wed 17/9

10:45 a.m.-9:57 p.m.

2 stops11h 12m

C$ 773

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 27/12

6:30 p.m.-1:48 p.m.

2 stops19h 18m

Louisville Intl

Sat 3/1

7:40 a.m.-9:04 a.m.

1 stop25h 24m

C$ 778

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

7:00 a.m.-2:24 p.m.

1 stop7h 24m

Louisville Intl

Sun 21/9

6:33 p.m.-11:29 p.m.

1 stop4h 56m

C$ 952

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Louisville from

How to get the cheapest flight ticket from Region of Ontario to Louisville

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 month to fly to Louisville?

In general, February is the cheapest month to fly from Region of Ontario to Louisville. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 387. The month of April is another great option to travel to Louisville, with average flight prices from Region of Ontario averaging around C$ 452.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from Region of Ontario is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as C$ 465. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Region of Ontario because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 654.

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

Our most recent data shows that the best time of day to fly to Louisville is in the evening. Flights from Region of Ontario to Louisville during this time can be as low as C$ 470. Flights at noon are often more expensive with an average ticket price of C$ 507.

How far in advance should I book a flight to Louisville?

You are more likely to see cheaper flights to Louisville from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around C$ 569 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Region of Ontario for as low as C$ 423 on momondo.

Can stopping save me money on Region of Ontario to Louisville flights?

You could potentially save up to 9% on your flight if you consider stops on a Region of Ontario to Louisville flight.

Cheap Region of Ontario to Louisville flight deals and tips

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

Best price found

C$ 233

Fastest flight time

4h 30m

Direct flights

None

Airports in Louisville

1 airport
The best one-way flight to Louisville from Region of Ontario in the past 72 hours is C$ 233. The best round-trip flight deal from Region of Ontario to Louisville found on momondo in the last 72 hours is C$ 452.
The fastest flight from Region of Ontario to Louisville takes 4h 30m
There are no direct flights from Region of Ontario to Louisville. Popular non-direct routes for this connection are Toronto Pearson Intl Airport - Louisville Intl Airport and Montreal Pierre Elliott Trudeau Intl Airport - Louisville Intl Airport.
There is 1 airport near Louisville: Louisville Intl (SDF)
Search flight deals

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to Louisville

Compare and see reviews for airlines that fly from Region of Ontario to Louisville with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 192Free CancellationRating
7.1
9,943 reviews
Search Air Canada flights
DeltaPriceFrom C$ 198Free CancellationRating
8.0
7,979 reviews
Search Delta flights
United AirlinesPriceFrom C$ 359Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights
WestJetPriceFrom C$ 388Free CancellationRating
7.2
3,008 reviews
Search WestJet flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Louisville . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Louisville from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Louisville from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Ontario to Louisville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Louisville and let you know when they change.

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Airports servicing Kentucky

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