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Cheap flights from Ontario to Louisville from C$ 239

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 17/9. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:30 p.m. - 10:35 a.m.
YYZ
-
SDF
21h 05m
1 stop
Multiple Airlines Logo
9:09 p.m. - 2:55 p.m.
SDF
-
YYZ
17h 46m
1 stop
C$ 500Multiple Airlines
Thu, 17 Sep - Sun, 20 Sep
Delta Logo
2:25 p.m. - 8:43 p.m.
YUL
-
SDF
6h 18m
1 stop
Delta Logo
7:55 a.m. - 11:58 a.m.
SDF
-
YUL
4h 03m
1 stop
C$ 531Delta
Tue, 15 Sep - Tue, 22 Sep
American Airlines Logo
7:50 a.m. - 10:55 p.m.
YUL
-
SDF
15h 05m
1 stop
American Airlines Logo
4:48 p.m. - 9:42 p.m.
SDF
-
YUL
4h 54m
1 stop
C$ 532American Airlines
Tue, 15 Sep - Tue, 22 Sep
American Airlines Logo
3:14 p.m. - 9:25 p.m.
YYZ
-
SDF
6h 11m
1 stop
American Airlines Logo
6:28 a.m. - 6:30 p.m.
SDF
-
YYZ
12h 02m
1 stop
C$ 552American Airlines
Fri, 21 Aug - Tue, 25 Aug
WestJet Logo
12:44 p.m. - 12:34 a.m.
YUL
-
SDF
11h 50m
1 stop
WestJet Logo
7:55 a.m. - 11:27 p.m.
SDF
-
YUL
15h 32m
1 stop
C$ 594WestJet
Mon, 24 Aug - Sun, 13 Sep
WestJet Logo
8:00 p.m. - 5:10 p.m.
YUL
-
SDF
21h 10m
2 stops
WestJet Logo
2:47 p.m. - 4:19 p.m.
SDF
-
YUL
25h 32m
1 stop
C$ 596WestJet
Thu, 24 Sep - Sun, 27 Sep
Air Canada Logo
4:00 p.m. - 8:36 p.m.
YYZ
-
SDF
4h 36m
1 stop
Air Canada Logo
10:23 a.m. - 5:01 p.m.
SDF
-
YYZ
6h 38m
1 stop
C$ 620Air Canada
Tue, 25 Aug - Fri, 28 Aug
United Airlines Logo
1:00 p.m. - 7:07 p.m.
YYZ
-
SDF
6h 07m
1 stop
United Airlines Logo
5:45 p.m. - 11:59 p.m.
SDF
-
YYZ
6h 14m
1 stop
C$ 624United Airlines
Wed, 12 Aug - Sat, 15 Aug
United Airlines Logo
6:00 a.m. - 4:38 p.m.
YOW
-
SDF
10h 38m
3 stops
United Airlines Logo
9:00 a.m. - 1:59 p.m.
SDF
-
YOW
4h 59m
1 stop
C$ 725United Airlines
Wed, 26 Aug - Sat, 29 Aug
Air Canada Logo
10:00 a.m. - 7:15 p.m.
YOW
-
SDF
9h 15m
1 stop
Air Canada Logo
10:23 a.m. - 7:52 p.m.
SDF
-
YOW
9h 29m
2 stops
C$ 808Air Canada
Wed, 26 Aug - Sat, 29 Aug

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United Airlines flights from Region of Ontario to Louisville

Our best United Airlines deals on Region of Ontario to Louisville flight tickets
United Airlines
12 Aug
YYZ1:00 p.m.Toronto Pearson Intl
6h 07m
1 stop
SDF7:07 p.m.Louisville Intl
15 Aug
SDF5:45 p.m.Louisville Intl
6h 14m
1 stop
YYZ11:59 p.m.Toronto Pearson Intl
C$ 624
United Airlines
19 Aug
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
5h 22m
1 stop
SDF2:37 p.m.Louisville Intl
26 Aug
SDF9:00 a.m.Louisville Intl
8h 30m
1 stop
YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 631
United Airlines
13 Sep
YYZ8:50 a.m.Toronto Pearson Intl
4h 21m
1 stop
SDF1:11 p.m.Louisville Intl
15 Sep
SDF6:15 a.m.Louisville Intl
5h 34m
1 stop
YYZ11:49 a.m.Toronto Pearson Intl
C$ 645

Delta flights from Region of Ontario to Louisville

Our best Delta deals on Region of Ontario to Louisville flight tickets
Delta
15 Sep
YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl
6h 18m
1 stop
SDF8:43 p.m.Louisville Intl
22 Sep
SDF7:55 a.m.Louisville Intl
4h 03m
1 stop
YUL11:58 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 531
Delta
12 Aug
YYZ6:00 a.m.Toronto Pearson Intl
5h 05m
1 stop
SDF11:05 a.m.Louisville Intl
15 Aug
SDF3:25 p.m.Louisville Intl
8h 32m
1 stop
YYZ11:57 p.m.Toronto Pearson Intl
C$ 532
Delta
12 Aug
YYZ6:00 a.m.Toronto Pearson Intl
5h 05m
1 stop
SDF11:05 a.m.Louisville Intl
15 Aug
SDF3:25 p.m.Louisville Intl
8h 32m
1 stop
YYZ11:57 p.m.Toronto Pearson Intl
C$ 534

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 22 July 2026.
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

Cheapest round-trip

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Thu 17/9

1:30 p.m.-10:35 a.m.

1 stop21h 05m

Louisville Intl

Sun 20/9

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

1 stop17h 46m

C$ 500
Quickest round-trip

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

2:25 p.m.-8:43 p.m.

1 stop6h 18m

Louisville Intl

Tue 22/9

7:55 a.m.-11:58 a.m.

1 stop4h 03m

C$ 531

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

7:50 a.m.-10:55 p.m.

1 stop15h 05m

Louisville Intl

Tue 22/9

4:48 p.m.-9:42 p.m.

1 stop4h 54m

C$ 532

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 21/8

3:14 p.m.-9:25 p.m.

1 stop6h 11m

Louisville Intl

Tue 25/8

6:28 a.m.-6:30 p.m.

1 stop12h 02m

C$ 552

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

12:44 p.m.-12:34 a.m.

1 stop11h 50m

Louisville Intl

Sun 13/9

7:55 a.m.-11:27 p.m.

1 stop15h 32m

C$ 594

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

8:00 p.m.-5:10 p.m.

2 stops21h 10m

Louisville Intl

Sun 27/9

2:47 p.m.-4:19 p.m.

1 stop25h 32m

C$ 596

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 25/8

4:00 p.m.-8:36 p.m.

1 stop4h 36m

Louisville Intl

Fri 28/8

10:23 a.m.-5:01 p.m.

1 stop6h 38m

C$ 620

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 12/8

1:00 p.m.-7:07 p.m.

1 stop6h 07m

Louisville Intl

Sat 15/8

5:45 p.m.-11:59 p.m.

1 stop6h 14m

C$ 624

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Wed 26/8

6:00 a.m.-4:38 p.m.

3 stops10h 38m

Louisville Intl

Sat 29/8

9:00 a.m.-1:59 p.m.

1 stop4h 59m

C$ 725

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Wed 26/8

10:00 a.m.-7:15 p.m.

1 stop9h 15m

Louisville Intl

Sat 29/8

10:23 a.m.-7:52 p.m.

2 stops9h 29m

C$ 808

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, September 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$ 630. The month of April is another great option to travel to Louisville, with average flight prices from Region of Ontario averaging around C$ 684.

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

Fastest flight time

4h 32m

Direct flights

None
The fastest flight from Region of Ontario to Louisville takes 4h 32m
There are no direct flights from Region of Ontario to Louisville. There are no popular flight routes from Region of Ontario to Louisville.
Search flight deals

Frequently asked questions about flying from Ontario to Louisville

  • 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
United AirlinesPriceFrom C$ 433Free CancellationRating
7.4
10,018 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 549Free CancellationRating
7.1
11,838 reviews
Search American Airlines flights
WestJetPriceFrom C$ 690Free CancellationRating
7.2
3,411 reviews
Search WestJet flights

Travelling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville

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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