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Ontario

$99+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YYZ
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
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 June 11, 2026.

This Super.com deal was found by Cheapflights users on 6/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Wed 7/2910:50 am
YTZ
-
BNA
Nonstop2h 25m
Porter Airlines
Deal found 6/9$222
This Super.com deal was found by Cheapflights users on 6/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/712:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Tue 7/1410:50 am
YTZ
-
BNA
Nonstop2h 25m
Porter Airlines
Deal found 6/9$223
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Sun 7/510:50 am
YTZ
-
BNA
Nonstop2h 25m
Porter Airlines
Deal found 6/9$225
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Tue 7/2810:50 am
YTZ
-
BNA
Nonstop2h 25m
Porter Airlines
Deal found 6/9$226
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Fri 7/1710:50 am
YTZ
-
BNA
Nonstop2h 25m
Porter Airlines
Deal found 6/11$228
This Super.com deal was found by Cheapflights users on 6/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Mon 7/1310:50 am
YTZ
-
BNA
Nonstop2h 25m
Porter Airlines
Deal found 6/8$229
This Trip.com deal was found by Cheapflights users on 6/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Tue 7/710:50 am
YTZ
-
BNA
Nonstop2h 25m
Porter Airlines
Deal found 6/9$230
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:50 pm
BNA
-
YYZ
Nonstop2h 05m
WestJet
Thu 9/34:45 pm
YYZ
-
BNA
Nonstop2h 15m
WestJet
Deal found 6/11$232
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Fri 7/312:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Sun 7/510:50 am
YTZ
-
BNA
Nonstop2h 25m
Porter Airlines
Deal found 6/10$233
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:15 am
BNA
-
YTZ
1 stop5h 06m
Multiple Airlines
Sun 7/510:50 am
YTZ
-
BNA
Nonstop2h 25m
Multiple Airlines
Deal found 6/10$234
This Trip.com deal was found by Cheapflights users on 6/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:50 pm
BNA
-
YYZ
Nonstop2h 05m
WestJet
Mon 6/294:45 pm
YYZ
-
BNA
Nonstop2h 15m
WestJet
Deal found 6/9$235
This Trip.com deal was found by Cheapflights users on 6/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:55 pm
BNA
-
YTZ
Nonstop2h 05m
Porter Airlines
Sun 8/1610:50 am
YTZ
-
BNA
Nonstop2h 25m
Porter Airlines
Deal found 6/9$235

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$222
(Super.com)

One-way from

$99
(Super.com)

Popular in

December

Cheapest in

March

Average price

$733
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. 31% potential increase in price ($290 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 11, 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
Quickest round-trip

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Tue 7/21

12:55 pm-4:00 pm

Nonstop2h 05m

Toronto Island

Thu 7/23

10:50 am-12:15 pm

Nonstop2h 25m

$232

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Fri 8/21

12:55 pm-4:00 pm

Nonstop2h 05m

Toronto Island

Sun 8/23

10:50 am-12:15 pm

Nonstop2h 25m

$239

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Thu 7/16

12:55 pm-4:00 pm

Nonstop2h 05m

Toronto Island

Tue 7/21

10:50 am-12:15 pm

Nonstop2h 25m

$273

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Sat 7/25

12:55 pm-4:00 pm

Nonstop2h 05m

Toronto Island

Sat 8/1

10:50 am-12:15 pm

Nonstop2h 25m

$280

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Fri 7/17

12:55 pm-4:00 pm

Nonstop2h 05m

Toronto Island

Wed 7/22

10:50 am-12:15 pm

Nonstop2h 25m

$280

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Wed 7/29

6:00 am-11:49 am

1 stop4h 49m

Toronto Pearson Intl

Wed 7/29

3:00 pm-11:02 pm

1 stop9h 02m

$283

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Fri 7/10

6:35 pm-9:33 pm

Nonstop1h 58m

Toronto Pearson Intl

Mon 7/13

4:30 pm-8:49 pm

1 stop5h 19m

$291

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Wed 7/1

7:40 am-1:42 pm

1 stop5h 02m

Toronto Pearson Intl

Tue 7/7

8:10 am-9:13 am

Nonstop2h 03m

$292

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Sat 10/3

12:55 pm-4:00 pm

Nonstop2h 05m

Toronto Island

Sun 10/4

10:50 am-12:15 pm

Nonstop2h 25m

$296

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Fri 7/10

6:35 pm-9:33 pm

Nonstop1h 58m

Toronto Pearson Intl

Fri 7/17

11:00 am-5:40 pm

1 stop7h 40m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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, May is the cheapest month in which you can book a flight from Kentucky to Region of Ontario (average of $258). Flying from Kentucky to Region of Ontario in November is currently the most expensive (average of $842). 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.

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

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 June 11, 2026.
Read reviews from past customers who have flown United Airlines 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.
United Airlines
7.4
Good
9,805 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,805 reviews
United Airlines
7.4
Good
9,805 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,640 reviews
United Airlines
7.4
Good
9,805 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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?

    Porter Airlines, United Airlines, and Delta can get you from Kentucky to Region of Ontario in just under 2h 05m. Your travel time can differ by up to 4h 20m. 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, May is the cheapest month in which you can book a flight from Kentucky to Region of Ontario (average of $258). Flying from Kentucky to Region of Ontario in November is currently the most expensive (average of $842). 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 2 airlines flying from Kentucky to Ontario

Discover the top 2 airlines 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$341Average$672FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$446Average$608FlexibilityNo cancel feeOn-time71%

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