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Cheap flights from Ontario to Louisville from $169

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 8/31. 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
0 bags

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Find the cheapest flights from Ontario to Louisville

Cheap round-trip flights

Logo
6:30 am - 10:04 pmYYZ-SDF
15h 34m1 stop
Logo
11:17 am - 2:05 pmSDF-YYZ
26h 48m1 stop
$271
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Sun, Sep 21 - Mon, Sep 22
Logo
4:00 pm - 9:19 amYYZ-SDF
17h 19m1 stop
Logo
11:17 am - 2:05 pmSDF-YYZ
26h 48m1 stop
$281
Find Deal
Fri, Sep 19 - Mon, Sep 22
Logo
9:35 am - 10:04 pmYYZ-SDF
12h 29m1 stop
Logo
11:17 am - 2:05 pmSDF-YYZ
26h 48m1 stop
$290
Find Deal
Sat, Sep 20 - Mon, Sep 22
American Airlines Logo
12:31 pm - 11:03 pmYUL-SDF
10h 32m1 stop
American Airlines Logo
6:12 pm - 11:46 amSDF-YUL
17h 34m1 stop
$336American Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
American Airlines Logo
12:31 pm - 11:03 pmYUL-SDF
10h 32m1 stop
American Airlines Logo
7:09 pm - 11:46 amSDF-YUL
16h 37m2 stops
$395American Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
United Airlines Logo
12:20 pm - 10:24 pmYYZ-SDF
10h 04m1 stop
United Airlines Logo
7:20 am - 3:46 pmSDF-YYZ
8h 26m1 stop
$408United Airlines
Find Deal
Tue, Sep 16 - Wed, Sep 24
United Airlines Logo
10:00 am - 10:24 pmYYZ-SDF
12h 24m1 stop
United Airlines Logo
9:05 am - 4:43 pmSDF-YYZ
7h 38m1 stop
$409United Airlines
Find Deal
Mon, Sep 1 - Thu, Sep 11
Air Canada Logo
8:15 am - 5:15 pmYUL-SDF
9h 00m2 stops
Air Canada Logo
10:55 am - 7:27 pmSDF-YUL
8h 32m2 stops
$616Air Canada
Find Deal
Sat, Sep 13 - Sat, Sep 20
WestJet Logo
6:45 am - 10:00 amYUL-SDF
27h 15m2 stops
WestJet Logo
6:00 am - 7:07 amSDF-YUL
25h 07m2 stops
$658WestJet
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Mon, Sep 15 - Thu, Sep 18
WestJet Logo
6:45 am - 7:10 pmYUL-SDF
12h 25m2 stops
WestJet Logo
7:09 am - 4:27 pmSDF-YUL
33h 18m2 stops
$692WestJet
Find Deal
Thu, Oct 16 - Sun, Oct 19

United Airlines flights from Region of Ontario to Louisville

Our best United Airlines deals on Region of Ontario to Louisville flight tickets
United Airlines
Sep 16
YYZ12:20 pmToronto Pearson Intl
10h 04m
1 stop
SDF10:24 pmLouisville Intl
Sep 24
SDF7:20 amLouisville Intl
8h 26m
1 stop
YYZ3:46 pmToronto Pearson Intl
$408
Find similar
United Airlines
Sep 1
YYZ10:00 amToronto Pearson Intl
12h 24m
1 stop
SDF10:24 pmLouisville Intl
Sep 11
SDF9:05 amLouisville Intl
7h 38m
1 stop
YYZ4:43 pmToronto Pearson Intl
$409
Find similar
United Airlines
Sep 16
YYZ12:20 pmToronto Pearson Intl
10h 04m
1 stop
SDF10:24 pmLouisville Intl
Sep 21
SDF1:59 pmLouisville Intl
9h 09m
1 stop
YYZ11:08 pmToronto Pearson Intl
$444
Find similar

WestJet flights from Region of Ontario to Louisville

Our best WestJet deals on Region of Ontario to Louisville flight tickets
WestJet
Sep 15
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
27h 15m
2 stops
SDF10:00 amLouisville Intl
Sep 18
SDF6:00 amLouisville Intl
25h 07m
2 stops
YUL7:07 amMontreal Pierre Elliott Trudeau Intl
$658
Find similar
WestJet
Oct 16
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
12h 25m
2 stops
SDF7:10 pmLouisville Intl
Oct 19
SDF7:09 amLouisville Intl
33h 18m
2 stops
YUL4:27 pmMontreal Pierre Elliott Trudeau Intl
$692
Find similar
WestJet
Sep 16
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
10h 20m
2 stops
SDF5:05 pmLouisville Intl
Sep 18
SDF2:10 pmLouisville Intl
10h 17m
2 stops
YUL12:27 amMontreal Pierre Elliott Trudeau Intl
$706
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 832,500 searches. Data last updated August 13, 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

Sun 9/21

6:30 am-10:04 pm

1 stop15h 34m

Louisville Intl

Mon 9/22

11:17 am-2:05 pm

1 stop26h 48m

$271

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 9/19

4:00 pm-9:19 am

1 stop17h 19m

Louisville Intl

Mon 9/22

11:17 am-2:05 pm

1 stop26h 48m

$281

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 9/20

9:35 am-10:04 pm

1 stop12h 29m

Louisville Intl

Mon 9/22

11:17 am-2:05 pm

1 stop26h 48m

$290

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sat 9/13

12:31 pm-11:03 pm

1 stop10h 32m

Louisville Intl

Sat 9/20

6:12 pm-11:46 am

1 stop17h 34m

$336

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sat 9/13

12:31 pm-11:03 pm

1 stop10h 32m

Louisville Intl

Sat 9/20

7:09 pm-11:46 am

2 stops16h 37m

$395

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 9/16

12:20 pm-10:24 pm

1 stop10h 04m

Louisville Intl

Wed 9/24

7:20 am-3:46 pm

1 stop8h 26m

$408

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Mon 9/1

10:00 am-10:24 pm

1 stop12h 24m

Louisville Intl

Thu 9/11

9:05 am-4:43 pm

1 stop7h 38m

$409

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sat 9/13

8:15 am-5:15 pm

2 stops9h 00m

Louisville Intl

Sat 9/20

10:55 am-7:27 pm

2 stops8h 32m

$616

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Mon 9/15

6:45 am-10:00 am

2 stops27h 15m

Louisville Intl

Thu 9/18

6:00 am-7:07 am

2 stops25h 07m

$658

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Thu 10/16

6:45 am-7:10 pm

2 stops12h 25m

Louisville Intl

Sun 10/19

7:09 am-4:27 pm

2 stops33h 18m

$692

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?

If you are unable to visit Louisville during the month of February, then departing from Region of Ontario during the month April is also very affordable. Most momondo users find prices during this month for around $328.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $271. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Region of Ontario to Louisville on a Monday will generally be more expensive and average around $503. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest Region of Ontario to Louisville flights are usually those with departure times in the afternoon. Our users have found flights to Louisville in the afternoon for as low as $327. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $473 per ticket.

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 $413 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 $307 on momondo.

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

You could potentially save up to 40% 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

$169

Fastest flight time

4h 45m

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 $169. The best round-trip flight deal from Region of Ontario to Louisville found on momondo in the last 72 hours is $271.
The fastest flight from Region of Ontario to Louisville takes 4h 45m
There are no direct flights from Region of Ontario to Louisville. Popular non-direct routes for this connection are Ottawa Airport - Louisville Intl Airport, 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)
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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 refresh 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 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 Ontario to Louisville Intl Airport.

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

    The travel and health documents required for your trip to Louisville Intl Airport 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 Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
American AirlinesPriceFrom $258Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
WestJetPriceFrom $296Free CancellationRating
7.2
3,008 reviews
Search WestJet flights

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
West Baden Springs
Bardstown
Jeffersonville
Shepherdsville
New Albany
Corydon
Elizabeth
Charlestown
Springfield
Brandenburg
Georgetown

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Louisville from Ontario.

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 simply researching potential flights to Louisville, momondo offers a useful price alert feature which will track prices for flights to Louisville from Ontario and alert you when they change.

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