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Cheap flights from Louisville to Ontario from $72

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 10/30. 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 Louisville to Ontario

Cheap round-trip flights

Multiple Airlines Logo
7:15 am - 8:00 pmSDF-YYZ
12h 45m1 stop
Multiple Airlines Logo
12:50 pm - 11:45 pmYYZ-SDF
10h 55m1 stop
$212Multiple Airlines
Find Deal
vie., oct. 31 - vie., nov. 7
Multiple Airlines Logo
6:58 pm - 2:05 pmSDF-YYZ
19h 07m1 stop
Multiple Airlines Logo
9:35 am - 9:31 amYYZ-SDF
23h 56m1 stop
$235Multiple Airlines
Find Deal
jue., oct. 23 - dom., oct. 26
Multiple Airlines Logo
5:31 pm - 2:05 pmSDF-YYZ
20h 34m1 stop
Multiple Airlines Logo
9:35 am - 9:31 amYYZ-SDF
23h 56m1 stop
$236Multiple Airlines
Find Deal
mié., oct. 22 - dom., oct. 26
American Airlines Logo
5:53 pm - 11:40 amSDF-YUL
17h 47m1 stop
American Airlines Logo
12:30 pm - 11:03 pmYUL-SDF
10h 33m1 stop
$437American Airlines
Find Deal
mar., oct. 21 - jue., oct. 23
American Airlines Logo
5:53 pm - 11:40 amSDF-YUL
17h 47m1 stop
American Airlines Logo
12:30 pm - 11:03 pmYUL-SDF
10h 33m1 stop
$493American Airlines
Find Deal
mar., oct. 21 - lun., oct. 27
United Airlines Logo
8:40 am - 1:32 pmSDF-YOW
4h 52m1 stop
United Airlines Logo
6:15 am - 10:30 pmYOW-SDF
16h 15m1 stop
$771United Airlines
Find Deal
sáb., dic. 27 - jue., ene. 1
United Airlines Logo
7:30 am - 9:14 pmSDF-YOW
13h 44m1 stop
United Airlines Logo
2:15 pm - 6:49 pmYOW-SDF
4h 34m1 stop
$782United Airlines
Find Deal
mié., feb. 18 - dom., feb. 22
WestJet Logo
7:55 am - 12:22 amSDF-YOW
16h 27m2 stops
WestJet Logo
5:55 am - 9:15 pmYOW-SDF
15h 20m2 stops
$849WestJet
Find Deal
vie., oct. 10 - lun., oct. 13
Delta Logo
11:45 am - 12:39 amSDF-YOW
12h 54m2 stops
Delta Logo
5:40 am - 5:42 pmYOW-SDF
12h 02m2 stops
$886Delta
Find Deal
mié., feb. 18 - dom., feb. 22
Delta Logo
11:45 am - 12:39 amSDF-YOW
12h 54m2 stops
Delta Logo
5:40 am - 5:42 pmYOW-SDF
12h 02m2 stops
$897Delta
Find Deal
mié., feb. 18 - dom., feb. 22

WestJet flights from Louisville to Region of Ontario

Our best WestJet deals on Louisville to Region of Ontario flight tickets
WestJet
Oct 10
SDF7:55 amLouisville Intl
16h 27m
2 stops
YOW12:22 amOttawa
Oct 13
YOW5:55 amOttawa
15h 20m
2 stops
SDF9:15 pmLouisville Intl
$849
Find similar
WestJet
Sep 24
SDF6:33 pmLouisville Intl
4h 23m
1 stop
YYZ10:56 pmToronto Pearson Intl
Sep 26
YYZ1:20 pmToronto Pearson Intl
5h 08m
1 stop
SDF6:28 pmLouisville Intl
$880
Find similar
WestJet
Sep 24
SDF7:10 amLouisville Intl
9h 39m
1 stop
YYZ4:49 pmToronto Pearson Intl
Sep 26
YYZ10:25 pmToronto Pearson Intl
24h 33m
2 stops
SDF10:58 pmLouisville Intl
$904
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
Oct 21
SDF5:53 pmLouisville Intl
17h 47m
1 stop
YUL11:40 amMontreal Pierre Elliott Trudeau Intl
Oct 23
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
10h 33m
1 stop
SDF11:03 pmLouisville Intl
$437
Find similar
American Airlines
Oct 21
SDF5:53 pmLouisville Intl
17h 47m
1 stop
YUL11:40 amMontreal Pierre Elliott Trudeau Intl
Oct 27
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
10h 33m
1 stop
SDF11:03 pmLouisville Intl
$493
Find similar
American Airlines
Sep 22
SDF7:00 amLouisville Intl
4h 46m
1 stop
YUL11:46 amMontreal Pierre Elliott Trudeau Intl
Sep 25
YUL4:09 pmMontreal Pierre Elliott Trudeau Intl
5h 21m
1 stop
SDF9:30 pmLouisville Intl
$991
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 832,500 searches. Data last updated septiembre 17, 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

vie. 10/31

7:15 am-8:00 pm

1 stop12h 45m

Toronto Pearson Intl

vie. 11/7

12:50 pm-11:45 pm

1 stop10h 55m

$212

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

jue. 10/23

6:58 pm-2:05 pm

1 stop19h 07m

Toronto Pearson Intl

dom. 10/26

9:35 am-9:31 am

1 stop23h 56m

$235

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

mié. 10/22

5:31 pm-2:05 pm

1 stop20h 34m

Toronto Pearson Intl

dom. 10/26

9:35 am-9:31 am

1 stop23h 56m

$236

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

mar. 10/21

5:53 pm-11:40 am

1 stop17h 47m

Montreal Pierre Elliott Trudeau Intl

jue. 10/23

12:30 pm-11:03 pm

1 stop10h 33m

$437

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

mar. 10/21

5:53 pm-11:40 am

1 stop17h 47m

Montreal Pierre Elliott Trudeau Intl

lun. 10/27

12:30 pm-11:03 pm

1 stop10h 33m

$493

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

sáb. 12/27

8:40 am-1:32 pm

1 stop4h 52m

Ottawa

jue. 1/1

6:15 am-10:30 pm

1 stop16h 15m

$771

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

mié. 2/18

7:30 am-9:14 pm

1 stop13h 44m

Ottawa

dom. 2/22

2:15 pm-6:49 pm

1 stop4h 34m

$782

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

vie. 10/10

7:55 am-12:22 am

2 stops16h 27m

Ottawa

lun. 10/13

5:55 am-9:15 pm

2 stops15h 20m

$849

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

mié. 2/18

11:45 am-12:39 am

2 stops12h 54m

Ottawa

dom. 2/22

5:40 am-5:42 pm

2 stops12h 02m

$886

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

mié. 2/18

11:45 am-12:39 am

2 stops12h 54m

Ottawa

dom. 2/22

5:40 am-5:42 pm

2 stops12h 02m

$897

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 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 day to depart on your flight to Region of Ontario?

According to our data, Tuesday is the cheapest day to fly to Region of Ontario from Louisville. The lowest ticket price found for a Tuesday departure recently was $340. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Louisville to Region of Ontario on a Thursday will generally be more expensive and average around $448. 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 Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is at noon. momondo users have found flights departing from Louisville to Region of Ontario at noon for as low as $319. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $376.

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 refreshed on a daily basis.

  • 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 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 Louisville Intl Airport to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The travel and health documents you'll need for your trip to Ontario 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 Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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 $183Free CancellationRating
7.2
3,095 reviews
Search WestJet flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $303Free CancellationRating
7.9
7,961 reviews
Search Delta flights

Why use momondo?

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

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 Ontario from Louisville.

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

Yes. momondo enables you to select and highlight flights to Ontario from Louisville with this policy.

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

Once you have performed a search for Louisville to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Louisville to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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vie. 10/17
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