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Ontario

$71+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YYZ
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 5/146:50 pm
BNA
-
YYZ
Nonstop2h 05m
WestJet
Sun 5/174:45 pm
YYZ
-
BNA
Nonstop2h 15m
WestJet
Deal found 1/27$174
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 5/146:50 pm
BNA
-
YYZ
Nonstop2h 05m
WestJet
Wed 5/204:45 pm
YYZ
-
BNA
Nonstop2h 15m
WestJet
Deal found 1/27$188
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 5/146:50 pm
BNA
-
YYZ
Nonstop2h 05m
WestJet
Mon 5/184:45 pm
YYZ
-
BNA
Nonstop2h 15m
WestJet
Deal found 1/27$189
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 5/136:50 pm
BNA
-
YYZ
Nonstop2h 05m
WestJet
Sun 5/174:45 pm
YYZ
-
BNA
Nonstop2h 15m
WestJet
Deal found 1/27$190
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Thu 2/268:15 am
BNA
-
YYZ
Nonstop1h 57m
Air Canada
Sun 3/16:35 pm
YYZ
-
BNA
Nonstop2h 15m
Air Canada
Deal found 1/27$195
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Thu 3/126:05 pm
BNA
-
YYZ
Nonstop2h 04m
WestJet
Thu 3/194:00 pm
YYZ
-
BNA
Nonstop2h 18m
WestJet
Deal found 1/26$197
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 3/196:05 pm
BNA
-
YYZ
Nonstop2h 04m
WestJet
Fri 3/204:00 pm
YYZ
-
BNA
Nonstop2h 18m
WestJet
Deal found 1/27$199
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Thu 4/96:05 pm
BNA
-
YYZ
Nonstop2h 04m
WestJet
Sun 4/124:00 pm
YYZ
-
BNA
Nonstop2h 18m
WestJet
Deal found 1/27$202
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 5/136:50 pm
BNA
-
YYZ
Nonstop2h 05m
WestJet
Wed 5/204:45 pm
YYZ
-
BNA
Nonstop2h 15m
WestJet
Deal found 1/27$205
This Booking.com deal was found by Cheapflights users on 1/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:45 pm
BNA
-
YYZ
Nonstop1h 57m
Air Canada
Mon 6/14:30 pm
YYZ
-
BNA
1 stop5h 24m
Air Canada
Deal found 1/26$210
This Jettzy deal was found by Cheapflights users on 1/27. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:25 pm
BNA
-
YTZ
1 stop6h 10m
Air Canada
Tue 3/39:30 am
YTZ
-
BNA
1 stop6h 35m
Air Canada
Deal found 1/27$221
This Air Canada deal was found by Cheapflights users on 1/26. 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 4/142:00 pm
BNA
-
YTZ
1 stop6h 32m
Air Canada
Tue 4/218:30 am
YTZ
-
BNA
1 stop7h 35m
Air Canada
Deal found 1/26$230

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$174
(Kiwi.com)

One-way from

$71
(Kiwi.com)

Popular in

December

Cheapest in

May
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. 38% potential increase in price ($358 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($40 potential savings vs. average RT price).
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 January 28, 2026.
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 - YTZ

BNAYTZ

Nashville Intl

Mon 3/2

2:25 pm-9:35 pm

1 stop6h 10m

Toronto Island

Tue 3/3

9:30 am-3:05 pm

1 stop6h 35m

$221

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Fri 5/8

6:45 pm-9:42 pm

Nonstop1h 57m

Toronto Pearson Intl

Sun 5/10

8:30 am-9:39 am

Nonstop2h 09m

$222

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Fri 3/27

3:45 pm-6:44 pm

Nonstop1h 59m

Toronto Pearson Intl

Sun 3/29

12:00 pm-1:08 pm

Nonstop2h 08m

$222

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Tue 4/14

2:00 pm-9:32 pm

1 stop6h 32m

Toronto Island

Tue 4/21

8:30 am-3:05 pm

1 stop7h 35m

$230

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Sat 3/14

8:15 am-11:12 am

Nonstop1h 57m

Toronto Pearson Intl

Fri 3/20

12:00 pm-1:16 pm

Nonstop2h 16m

$233

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Sat 3/14

8:15 am-11:12 am

Nonstop1h 57m

Toronto Pearson Intl

Sat 3/21

6:35 pm-7:50 pm

Nonstop2h 15m

$233

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Tue 3/17

8:30 am-2:14 pm

1 stop4h 44m

Toronto Pearson Intl

Tue 3/17

5:30 pm-9:43 pm

1 stop5h 13m

$234

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Fri 5/22

6:40 am-3:18 pm

1 stop7h 38m

Toronto Pearson Intl

Mon 5/25

6:00 am-1:23 pm

1 stop8h 23m

$236

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Fri 5/8

12:15 pm-10:00 pm

1 stop8h 45m

Toronto Pearson Intl

Sun 5/10

6:15 am-9:50 am

1 stop4h 35m

$236

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Tue 4/14

2:00 pm-9:34 pm

1 stop6h 34m

Toronto Pearson Intl

Tue 4/21

10:00 am-3:05 pm

1 stop6h 05m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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.

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 January 28, 2026.
Read reviews from past customers who have flown Delta, American Airlines, 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
8,123 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

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
8,123 reviews
Delta
7.9
Good
8,123 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

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
7.2
Good
11,201 reviews
Delta
7.9
Good
8,123 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

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
3,251 reviews
Delta
7.9
Good
8,123 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

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?

    Air Canada, United Airlines, and American Airlines can get you from Kentucky to Region of Ontario in just under 6h 10m. Your travel time can differ by up to 4h 12m. 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

Browse thousands of different options on Cheapflights for your next trip

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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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$370Average$496FlexibilityNo cancel feeOn-timeN/A

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