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Cheap flights from Ontario to Louisville from C$ 220

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 13/11. 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 Ontario to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:45 a.m. - 2:47 p.m.YOW-SDF
5h 02m1 stop
United Airlines Logo
8:15 a.m. - 1:34 p.m.SDF-YOW
5h 19m1 stop
C$ 419United Airlines
Find Deal
Tue, 24 Feb - Wed, 25 Feb
United Airlines Logo
5:14 p.m. - 10:09 p.m.YOW-SDF
4h 55m1 stop
United Airlines Logo
8:15 a.m. - 1:34 p.m.SDF-YOW
5h 19m1 stop
C$ 420United Airlines
Find Deal
Tue, 24 Feb - Wed, 25 Feb
American Airlines Logo
1:05 p.m. - 9:08 p.m.YYZ-SDF
8h 03m1 stop
American Airlines Logo
7:00 a.m. - 3:45 p.m.SDF-YYZ
8h 45m1 stop
C$ 456American Airlines
Find Deal
Tue, 24 Feb - Thu, 26 Feb
American Airlines Logo
11:30 a.m. - 11:21 p.m.YYZ-SDF
11h 51m1 stop
American Airlines Logo
8:08 a.m. - 4:03 p.m.SDF-YYZ
7h 55m1 stop
C$ 470American Airlines
Find Deal
Tue, 13 Jan - Wed, 14 Jan
Multiple Airlines Logo
9:35 a.m. - 6:16 p.m.YYZ-SDF
8h 41m1 stop
Multiple Airlines Logo
9:38 a.m. - 8:08 p.m.SDF-YYZ
10h 30m2 stops
C$ 472Multiple Airlines
Find Deal
Mon, 17 Nov - Fri, 21 Nov
Multiple Airlines Logo
12:50 p.m. - 11:45 p.m.YYZ-SDF
10h 55m1 stop
Multiple Airlines Logo
6:00 a.m. - 2:20 p.m.SDF-YYZ
8h 20m1 stop
C$ 473Multiple Airlines
Find Deal
Fri, 12 Dec - Sun, 14 Dec
Air Canada Logo
2:50 p.m. - 10:09 p.m.YOW-SDF
7h 19m2 stops
Air Canada Logo
5:35 a.m. - 12:22 p.m.SDF-YOW
6h 47m2 stops
C$ 493Air Canada
Find Deal
Tue, 24 Feb - Wed, 25 Feb
Air Canada Logo
5:45 a.m. - 7:21 p.m.YOW-SDF
13h 36m2 stops
Air Canada Logo
6:15 a.m. - 1:34 p.m.SDF-YOW
7h 19m1 stop
C$ 494Air Canada
Find Deal
Tue, 24 Feb - Wed, 25 Feb
Delta Logo
5:40 a.m. - 8:43 p.m.YOW-SDF
15h 03m2 stops
Delta Logo
3:09 p.m. - 12:42 a.m.SDF-YOW
9h 33m2 stops
C$ 559Delta
Find Deal
Fri, 7 Nov - Mon, 10 Nov
Delta Logo
5:40 a.m. - 8:43 p.m.YOW-SDF
15h 03m2 stops
Delta Logo
3:09 p.m. - 12:42 a.m.SDF-YOW
9h 33m2 stops
C$ 561Delta
Find Deal
Fri, 7 Nov - Mon, 10 Nov

Air Canada flights from Region of Ontario to Louisville

Our best Air Canada deals on Region of Ontario to Louisville flight tickets
Air Canada
24 Feb
YOW2:50 p.m.Ottawa
7h 19m
2 stops
SDF10:09 p.m.Louisville Intl
25 Feb
SDF5:35 a.m.Louisville Intl
6h 47m
2 stops
YOW12:22 p.m.Ottawa
C$ 493
Find similar
Air Canada
24 Feb
YOW5:45 a.m.Ottawa
13h 36m
2 stops
SDF7:21 p.m.Louisville Intl
25 Feb
SDF6:15 a.m.Louisville Intl
7h 19m
1 stop
YOW1:34 p.m.Ottawa
C$ 494
Find similar
Air Canada
7 Nov
YOW5:14 p.m.Ottawa
5h 15m
1 stop
SDF10:29 p.m.Louisville Intl
10 Nov
SDF11:00 a.m.Louisville Intl
8h 18m
2 stops
YOW7:18 p.m.Ottawa
C$ 669
Find similar

Delta flights from Region of Ontario to Louisville

Our best Delta deals on Region of Ontario to Louisville flight tickets
Delta
7 Nov
YOW5:40 a.m.Ottawa
15h 03m
2 stops
SDF8:43 p.m.Louisville Intl
10 Nov
SDF3:09 p.m.Louisville Intl
9h 33m
2 stops
YOW12:42 a.m.Ottawa
C$ 559
Find similar
Delta
7 Nov
YOW5:40 a.m.Ottawa
15h 03m
2 stops
SDF8:43 p.m.Louisville Intl
10 Nov
SDF3:09 p.m.Louisville Intl
9h 33m
2 stops
YOW12:42 a.m.Ottawa
C$ 561
Find similar
Delta
25 Feb
YYZ6:15 a.m.Toronto Pearson Intl
5h 22m
1 stop
SDF11:37 a.m.Louisville Intl
26 Feb
SDF11:45 a.m.Louisville Intl
6h 09m
1 stop
YYZ5:54 p.m.Toronto Pearson Intl
C$ 746
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 1 October 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

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 24/2

9:45 a.m.-2:47 p.m.

1 stop5h 02m

Louisville Intl

Wed 25/2

8:15 a.m.-1:34 p.m.

1 stop5h 19m

C$ 419

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 24/2

5:14 p.m.-10:09 p.m.

1 stop4h 55m

Louisville Intl

Wed 25/2

8:15 a.m.-1:34 p.m.

1 stop5h 19m

C$ 420

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 24/2

1:05 p.m.-9:08 p.m.

1 stop8h 03m

Louisville Intl

Thu 26/2

7:00 a.m.-3:45 p.m.

1 stop8h 45m

C$ 456

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 13/1

11:30 a.m.-11:21 p.m.

1 stop11h 51m

Louisville Intl

Wed 14/1

8:08 a.m.-4:03 p.m.

1 stop7h 55m

C$ 470

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Mon 17/11

9:35 a.m.-6:16 p.m.

1 stop8h 41m

Louisville Intl

Fri 21/11

9:38 a.m.-8:08 p.m.

2 stops10h 30m

C$ 472

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 12/12

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

1 stop10h 55m

Louisville Intl

Sun 14/12

6:00 a.m.-2:20 p.m.

1 stop8h 20m

C$ 473

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 24/2

2:50 p.m.-10:09 p.m.

2 stops7h 19m

Louisville Intl

Wed 25/2

5:35 a.m.-12:22 p.m.

2 stops6h 47m

C$ 493

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 24/2

5:45 a.m.-7:21 p.m.

2 stops13h 36m

Louisville Intl

Wed 25/2

6:15 a.m.-1:34 p.m.

1 stop7h 19m

C$ 494

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Fri 7/11

5:40 a.m.-8:43 p.m.

2 stops15h 03m

Louisville Intl

Mon 10/11

3:09 p.m.-12:42 a.m.

2 stops9h 33m

C$ 559

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Fri 7/11

5:40 a.m.-8:43 p.m.

2 stops15h 03m

Louisville Intl

Mon 10/11

3:09 p.m.-12:42 a.m.

2 stops9h 33m

C$ 561

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$ 391. The month of April is another great option to travel to Louisville, with average flight prices from Region of Ontario averaging around C$ 456.

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$ 470. 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$ 661.

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$ 475. Flights at noon are often more expensive with an average ticket price of C$ 512.

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

You could potentially save up to 2% 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

Direct flights

None
There are no direct flights from Region of Ontario to Louisville. There are no popular flight routes from Region of Ontario to Louisville.
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  • 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$ 193Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom C$ 200Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom C$ 362Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
WestJetPriceFrom C$ 392Free CancellationRating
7.2
3,111 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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