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Kentucky

$82+ Cheap flights from Ontario to Kentucky

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SDF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Ontario to Kentucky

Cheapest flights from Ontario to Kentucky
Explore the most affordable flight options available from Ontario to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Air Canada deal was found by Cheapflights users on 12/9. 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.
Thu 12/256:35 pmYYZ - BNA
Nonstop2h 15mAir Canada
Thu 1/18:15 amBNA - YYZ
Nonstop1h 57mAir Canada
Deal found 12/9$329
This Air Canada deal was found by Cheapflights users on 12/9. 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.
Thu 12/256:35 pmYYZ - BNA
Nonstop2h 15mAir Canada
Wed 12/313:40 pmBNA - YYZ
1 stop7h 24mAir Canada
Deal found 12/9$331
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/185:19 pmYYZ - BNA
1 stop6h 14mAmerican Airlines
Thu 12/258:45 amBNA - YYZ
1 stop6h 14mAmerican Airlines
Deal found 12/11$334
This Air Canada deal was found by Cheapflights users on 12/10. 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.
Thu 12/251:10 pmYUL - BNA
1 stop7h 40mAir Canada
Sun 1/112:25 pmBNA - YUL
Nonstop2h 16mAir Canada
Deal found 12/10$345
This Air Canada deal was found by Cheapflights users on 12/10. 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.
Tue 12/306:35 pmYYZ - BNA
Nonstop2h 15mAir Canada
Thu 1/18:15 amBNA - YYZ
Nonstop1h 57mAir Canada
Deal found 12/10$347
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 12/2510:00 amYYZ - BNA
1 stop10h 06mUnited Airlines
Thu 1/18:00 amBNA - YYZ
1 stop10h 45mUnited Airlines
Deal found 12/9$353
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/185:19 pmYYZ - BNA
1 stop6h 14mAmerican Airlines
Fri 12/266:15 amBNA - YYZ
1 stop9h 24mAmerican Airlines
Deal found 12/11$364
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Tue 12/3010:00 amYYZ - BNA
1 stop10h 06mUnited Airlines
Thu 1/18:00 amBNA - YYZ
1 stop10h 45mUnited Airlines
Deal found 12/10$367
This Air Canada deal was found by Cheapflights users on 12/11. 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.
Sun 12/216:35 pmYYZ - BNA
Nonstop2h 15mAir Canada
Tue 1/63:45 pmBNA - YYZ
Nonstop1h 59mAir Canada
Deal found 12/11$368
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Mon 12/296:10 amYYZ - BNA
1 stop15h 04mUnited Airlines
Thu 1/18:00 amBNA - YYZ
1 stop10h 45mUnited Airlines
Deal found 12/10$369
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/317:15 amYYZ - CVG
1 stop17h 51mMultiple Airlines
Sat 1/107:13 pmCVG - YYZ
2 stops24h 58mMultiple Airlines
Deal found 12/10$372
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/257:08 amYUL - BNA
1 stop10h 30mAmerican Airlines
Sun 1/116:00 amBNA - YUL
1 stop5h 24mAmerican Airlines
Deal found 12/10$372

Find flight deals from Ontario to Kentucky

Keep the following information in mind while searching for Ontario to Kentucky flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$195
(Booking.com)

One-way from

$82
(Mytrip)

Popular in

October

Cheapest in

February

Average price

$538
Provider with most accurate pricing for Toronto (YTO)-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Louisville Intl flights.
Search Deals
From Ontario to Kentucky
Search Deals
One-way flight from Ontario to Kentucky
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($33 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 Ontario to Kentucky 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 December 12, 2025.
Use the filters below to find and compare flights from Ontario to Kentucky that are best for you.

Fly from

Ontario

Fly to

Kentucky

Route

Depart

Return

Price

TorontoNashville

YTZ - BNA

YTZBNA

Toronto Island

Sat 1/24

10:30 am-3:05 pm

1 stop5h 35m

Nashville Intl

Sat 1/31

2:25 pm-9:35 pm

1 stop6h 10m

$201

TorontoNashville

YTZ - BNA

YTZBNA

Toronto Island

Thu 1/8

8:30 am-3:05 pm

1 stop7h 35m

Nashville Intl

Sun 1/11

2:25 pm-9:35 pm

1 stop6h 10m

$203

TorontoNashville

YTZ - BNA

YTZBNA

Toronto Island

Sat 1/10

8:30 am-3:05 pm

1 stop7h 35m

Nashville Intl

Sun 1/11

2:25 pm-9:35 pm

1 stop6h 10m

$208

TorontoNashville

YYZ - BNA

YYZBNA

Toronto Pearson Intl

Wed 1/21

6:00 am-1:26 pm

1 stop8h 26m

Nashville Intl

Mon 1/26

3:48 pm-11:58 pm

1 stop7h 10m

$212

TorontoNashville

YYZ - BNA

YYZBNA

Toronto Pearson Intl

Tue 3/17

10:05 am-4:58 pm

1 stop7h 53m

Nashville Intl

Thu 3/19

6:10 am-11:23 am

1 stop4h 13m

$212

TorontoNashville

YYZ - BNA

YYZBNA

Toronto Pearson Intl

Fri 1/23

12:21 pm-8:15 pm

1 stop8h 54m

Nashville Intl

Sat 1/31

6:15 am-4:12 pm

1 stop8h 57m

$212

TorontoNashville

YYZ - BNA

YYZBNA

Toronto Pearson Intl

Sat 1/24

6:10 am-9:59 am

1 stop4h 49m

Nashville Intl

Sat 1/31

10:39 am-7:08 pm

1 stop7h 29m

$212

TorontoNashville

YYZ - BNA

YYZBNA

Toronto Pearson Intl

Tue 3/10

3:59 pm-9:09 pm

1 stop6h 10m

Nashville Intl

Thu 3/19

6:10 am-11:23 am

1 stop4h 13m

$212

TorontoNashville

YYZ - BNA

YYZBNA

Toronto Pearson Intl

Sun 1/25

6:00 am-9:41 am

1 stop4h 41m

Nashville Intl

Thu 1/29

6:15 am-4:12 pm

1 stop8h 57m

$212

TorontoNashville

YYZ - BNA

YYZBNA

Toronto Pearson Intl

Sat 1/24

6:00 am-9:41 am

1 stop4h 41m

Nashville Intl

Wed 1/28

10:39 am-7:08 pm

1 stop7h 29m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Ontario 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 Ontario to Kentucky

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

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Kentucky (average of $139). Flying from Region of Ontario to Kentucky in October is currently the most expensive (average of $498). 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.

What is the cheapest time of day to fly from ON to KY?

Find hourly flight availability from Ontario to Kentucky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Region of Ontario to Kentucky at noon. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Region of Ontario to Kentucky?

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. 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 Kentucky. Reviews last updated December 12, 2025.
See what other customers who have flown with United Airlines, American Airlines, and WestJet from Ontario to Kentucky have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
WestJet
7.2
Good
3,195 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Related info for your journey

Find useful and relevant information for your journey from Ontario to Kentucky. 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 Region of Ontario to Kentucky?

    A quick flight from Region of Ontario to Kentucky can take about 5h 35m. Air Canada provides one of the quickest options available for as low as $201. Airlines will cover a distance of 646 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Kentucky 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 Region of Ontario to Kentucky?

    Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Kentucky (average of $139). Flying from Region of Ontario to Kentucky in October is currently the most expensive (average of $498). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Kentucky

Discover the top 3 airlines that operate flights from Ontario to Kentucky. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$296Average$468FlexibilityNo cancel feeOn-time69%
WestJetCheapest$321Average$556FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$366Average$568FlexibilityNo cancel feeOn-time71%

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