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$53+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YYZ
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
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 diciembre 15, 2025.

This Mytrip deal was found by Cheapflights users on 12/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/248:38 pmBNA - YYZ
1 stop15h 45mMultiple Airlines
sáb. 1/1011:15 amYYZ - BNA
1 stop9h 28mMultiple Airlines
Deal found 12/15$361
This Delta deal was found by Cheapflights users on 12/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:15 amBNA - YYZ
1 stop8h 55mDelta
vie. 1/96:14 pmYYZ - BNA
1 stop5h 46mDelta
Deal found 12/14$364
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/247:16 pmCVG - YYZ
1 stop19h 04mMultiple Airlines
mar. 1/65:15 pmYYZ - CVG
1 stop21h 24mMultiple Airlines
Deal found 12/15$372
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2411:14 amBNA - YYZ
1 stop11h 06mMultiple Airlines
mié. 1/75:15 pmYYZ - BNA
1 stop7h 10mMultiple Airlines
Deal found 12/15$379
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/258:38 pmBNA - YYZ
1 stop25h 42mMultiple Airlines
mar. 1/68:30 pmYYZ - BNA
1 stop14h 39mMultiple Airlines
Deal found 12/15$381
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/247:16 pmCVG - YYZ
1 stop19h 04mMultiple Airlines
lun. 1/58:30 pmYYZ - CVG
2 stops21h 41mMultiple Airlines
Deal found 12/15$382
This Mytrip deal was found by Cheapflights users on 12/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/228:38 pmBNA - YYZ
2 stops16h 42mMultiple Airlines
mar. 1/68:30 pmYYZ - BNA
1 stop14h 39mMultiple Airlines
Deal found 12/15$391
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
sáb. 12/208:36 pmBNA - YYZ
1 stop16h 44mMultiple Airlines
dom. 1/183:40 pmYYZ - BNA
1 stop16h 45mMultiple Airlines
Deal found 12/14$398
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
mié. 12/175:45 amBNA - YYZ
1 stop7h 35mMultiple Airlines
dom. 1/48:20 pmYYZ - BNA
1 stop27h 54mMultiple Airlines
Deal found 12/14$401
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/318:15 amBNA - YUL
1 stop5h 07mAir Canada
jue. 1/81:15 pmYUL - BNA
Nonstop2h 50mAir Canada
Deal found 12/15$416
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/312:44 pmBNA - YUL
1 stop5h 58mUnited Airlines
jue. 1/84:45 pmYUL - BNA
1 stop5h 57mUnited Airlines
Deal found 12/15$419
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:09 amBNA - YYZ
1 stop4h 42mAmerican Airlines
jue. 1/110:56 amYYZ - BNA
1 stop8h 11mAmerican Airlines
Deal found 12/14$421

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 diciembre 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$154
(Kiwi.com)

One-way from

$53
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$703
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. 21% potential increase in price ($140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 diciembre 15, 2025.
Use the filters below to find and compare flights from Kentucky to Ontario that are best for you.

Fly from

Kentucky

Fly to

Ontario

Route

Depart

Return

Price

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

mar. 1/27

8:12 pm-11:20 pm

1 stop26h 08m

Toronto Pearson Intl

mar. 2/3

8:30 pm-7:25 am

1 stop11h 55m

$227

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

jue. 5/14

6:40 am-3:18 pm

1 stop7h 38m

Toronto Pearson Intl

dom. 5/17

6:15 am-11:08 am

1 stop5h 53m

$233

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

sáb. 6/6

6:40 am-3:18 pm

1 stop7h 38m

Toronto Pearson Intl

lun. 6/8

11:30 am-7:40 pm

1 stop9h 10m

$233

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

jue. 6/4

7:25 am-4:53 pm

1 stop8h 28m

Toronto Pearson Intl

dom. 6/7

11:30 am-6:32 pm

1 stop8h 02m

$233

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

jue. 6/4

7:25 am-4:53 pm

1 stop8h 28m

Toronto Pearson Intl

sáb. 6/6

7:45 am-11:08 am

1 stop4h 23m

$233

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

vie. 6/5

12:15 pm-10:00 pm

1 stop8h 45m

Toronto Pearson Intl

lun. 6/8

12:15 pm-6:39 pm

1 stop7h 24m

$234

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

mié. 1/21

10:39 am-4:12 pm

1 stop4h 33m

Toronto Pearson Intl

vie. 1/23

6:14 pm-11:00 pm

1 stop5h 46m

$234

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

vie. 1/23

8:40 am-8:11 pm

2 stops10h 31m

Toronto Pearson Intl

dom. 1/25

12:15 pm-7:43 pm

3 stops32h 28m

$240

CincinnatiToronto

CVG - YYZ

CVGYYZ

Cincinnati Cinci./N. Kentucky

lun. 1/12

6:20 am-11:54 pm

1 stop17h 34m

Toronto Pearson Intl

lun. 1/19

10:15 am-1:17 am

1 stop15h 02m

$247

NashvilleMontreal

BNA - YUL

BNAYUL

Nashville Intl

jue. 1/29

8:12 pm-4:22 pm

1 stop19h 10m

Montreal Pierre Elliott Trudeau Intl

jue. 2/5

8:00 am-7:43 pm

1 stop12h 43m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 60 results
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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 $193). 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 diciembre 15, 2025.
Read reviews from past customers who have flown Delta and WestJet 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
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

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.
WestJet
7.2
Good
3,202 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

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?

    Delta and Air Canada can get you from Kentucky to Region of Ontario in just under 6h 10m. Your travel time can differ by up to 1h 28m. The distance from Kentucky to Region of Ontario is about 646 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 $193). 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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Alternative routes for Kentucky to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Kentucky to Ontario

Discover the top airline that operate flights from Kentucky to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$370Average$578FlexibilityNo cancel feeOn-timeN/A

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