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$59+ Cheap flights from Kentucky to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YYZ
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from Kentucky to Ontario

Cheapest flights from Kentucky to Ontario
Explore the most affordable flight options available from Kentucky to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1212:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Sun 6/1410:50 am
YTZ
-
BNA
Nonstop2h 20m
Porter Airlines
Deal found 3/13$150
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:35 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Mon 5/1810:50 am
YTZ
-
BNA
Nonstop2h 20m
Porter Airlines
Deal found 3/13$153
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1612:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Mon 5/1810:50 am
YTZ
-
BNA
Nonstop2h 20m
Porter Airlines
Deal found 3/13$156
This FlightHub deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Tue 6/2310:50 am
YTZ
-
BNA
Nonstop2h 20m
Porter Airlines
Deal found 3/15$157
This FlightHub deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1512:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Sun 5/1710:50 am
YTZ
-
BNA
Nonstop2h 20m
Porter Airlines
Deal found 3/16$158
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:35 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Sun 5/1710:50 am
YTZ
-
BNA
Nonstop2h 20m
Porter Airlines
Deal found 3/13$169
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1612:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Sun 5/1710:50 am
YTZ
-
BNA
Nonstop2h 20m
Porter Airlines
Deal found 3/13$172
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:45 pm
BNA
-
YYZ
Nonstop1h 57m
Air Canada
Tue 5/194:45 pm
YYZ
-
BNA
Nonstop2h 09m
Air Canada
Deal found 3/16$190
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:30 am
BNA
-
YYZ
1 stop4h 49m
United Airlines
Sat 5/165:50 pm
YYZ
-
BNA
1 stop5h 07m
United Airlines
Deal found 3/13$191
This FlightHub deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Sun 5/2410:50 am
YTZ
-
BNA
Nonstop2h 20m
Porter Airlines
Deal found 3/15$194
This Air Canada deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:25 am
BNA
-
YYZ
Nonstop1h 57m
Air Canada
Sat 5/164:30 pm
YYZ
-
BNA
1 stop5h 26m
Air Canada
Deal found 3/13$196
This Air Canada deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:45 pm
BNA
-
YYZ
Nonstop1h 57m
Air Canada
Sun 5/178:25 am
YYZ
-
BNA
Nonstop2h 09m
Air Canada
Deal found 3/12$201

Find flight deals from Kentucky to Ontario

Keep the following information in mind while searching for Kentucky to Ontario flight deals. Data was last updated March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$150
(Kiwi.com)

One-way from

$59
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$440
Provider with most accurate pricing for Louisville Intl-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Toronto (YTO) flights.
Search Deals
From Kentucky to Ontario
Search Deals
One-way flight from Kentucky to Ontario
Search Deals
Highest demand for flights based on searches. 41% potential increase in price ($379 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to 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, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Kentucky to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Thu 6/4

9:47 am-3:46 pm

1 stop4h 59m

Toronto Pearson Intl

Tue 6/9

8:50 am-12:29 pm

1 stop4h 39m

$216

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Sat 5/16

6:15 am-1:30 pm

1 stop6h 15m

Toronto Pearson Intl

Tue 5/19

9:49 am-1:00 pm

1 stop4h 11m

$237

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Sat 5/16

6:40 am-1:30 pm

1 stop5h 50m

Toronto Pearson Intl

Sun 5/17

2:20 pm-5:07 pm

1 stop3h 47m

$259

NashvilleOttawa

BNA - YOW

BNAYOW

Nashville Intl

Sat 5/23

12:55 pm-6:54 pm

1 stop4h 59m

Ottawa

Mon 5/25

6:55 am-6:00 pm

1 stop12h 05m

$275

NashvilleOttawa

BNA - YOW

BNAYOW

Nashville Intl

Wed 4/29

8:10 am-3:21 pm

1 stop6h 11m

Ottawa

Wed 5/6

9:05 am-3:05 pm

1 stop7h 00m

$290

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Fri 5/22

6:15 am-3:14 pm

1 stop7h 59m

Toronto Pearson Intl

Mon 5/25

12:09 pm-6:43 pm

1 stop7h 34m

$290

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Wed 4/29

10:01 am-5:21 pm

1 stop6h 20m

Toronto Pearson Intl

Sun 5/3

6:15 am-12:24 pm

1 stop7h 09m

$293

NashvilleOttawa

BNA - YOW

BNAYOW

Nashville Intl

Fri 5/22

6:45 pm-1:36 am

1 stop5h 51m

Ottawa

Mon 5/25

12:00 pm-5:54 pm

1 stop6h 54m

$295

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Thu 6/4

8:15 am-2:22 pm

1 stop5h 07m

Toronto Island

Sun 6/7

12:15 pm-3:57 pm

1 stop4h 42m

$302

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Tue 4/21

11:32 am-5:56 pm

1 stop5h 24m

Toronto Pearson Intl

Sun 4/26

7:00 am-10:36 am

1 stop4h 36m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Kentucky to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kentucky with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kentucky to Ontario

What is the cheapest month to book a flight from Kentucky to Region of Ontario?

Currently, April is the cheapest month in which you can book a flight from Kentucky to Region of Ontario (average of $225). Flying from Kentucky to Region of Ontario in November is currently the most expensive (average of $844). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated March 17, 2026.
Read reviews from past customers who have flown Delta and American Airlines from Kentucky to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,288 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,288 reviews
Delta
7.9
Good
8,288 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,468 reviews
Delta
7.9
Good
8,288 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kentucky to Region of Ontario?

    United Airlines, Delta, and Air Canada can get you from Kentucky to Region of Ontario in just under 4h 59m. Your travel time can differ by up to 1h 16m. The distance from Kentucky to Region of Ontario is about 642 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Kentucky to Ontario that include hotel bookings?

    Yes. In addition to deals on Kentucky to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Ontario.

  • Can I find deals for business class flights from Kentucky to Ontario?

    Yes. Cheapflights offers flight deals from Kentucky to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kentucky to Region of Ontario?

    Currently, April is the cheapest month in which you can book a flight from Kentucky to Region of Ontario (average of $225). Flying from Kentucky to Region of Ontario in November is currently the most expensive (average of $844). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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