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Ontario

$61+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YYZ
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find 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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/146:05 pmBNA - YYZ
Nonstop2h 02mWestJet
Sun 11/164:00 pmYYZ - BNA
Nonstop2h 20mWestJet
Deal found 10/29$142
This Trip.com deal was found by Cheapflights users on 10/28. 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.
Fri 11/76:05 pmBNA - YYZ
Nonstop2h 02mWestJet
Sun 11/94:00 pmYYZ - BNA
Nonstop2h 20mWestJet
Deal found 10/28$150
This FlightHub deal was found by Cheapflights users on 10/28. 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.
Mon 11/176:05 pmBNA - YYZ
Nonstop2h 02mWestJet
Sun 11/234:00 pmYYZ - BNA
Nonstop2h 20mWestJet
Deal found 10/28$158
This Flightnetwork deal was found by Cheapflights users on 10/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/72:25 pmBNA - YTZ
1 stop6h 10mAir Canada
Sun 11/98:30 amYTZ - BNA
1 stop7h 35mAir Canada
Deal found 10/28$177
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Fri 11/76:05 pmBNA - YYZ
Nonstop2h 02mMultiple Airlines
Sun 11/98:00 amYYZ - BNA
1 stop8h 05mMultiple Airlines
Deal found 10/28$178
This Flightnetwork deal was found by Cheapflights users on 10/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/72:25 pmBNA - YYZ
1 stop7h 39mAir Canada
Sun 11/910:00 amYYZ - BNA
1 stop6h 05mAir Canada
Deal found 10/28$183
This Air Canada deal was found by Cheapflights users on 10/30. 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.
Wed 12/108:15 amBNA - YYZ
Nonstop1h 57mAir Canada
Tue 12/1612:00 pmYYZ - BNA
Nonstop2h 16mAir Canada
Deal found 10/30$191
This Air Canada deal was found by Cheapflights users on 10/30. 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 12/52:25 pmBNA - YTZ
1 stop6h 10mAir Canada
Mon 12/810:30 amYTZ - BNA
1 stop5h 35mAir Canada
Deal found 10/30$214
This Vliegwinkel deal was found by Cheapflights users on 10/29. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:25 pmBNA - YUL
Nonstop2h 16mAir Canada
Mon 12/81:15 pmYUL - BNA
Nonstop2h 50mAir Canada
Deal found 10/29$234
This Air Canada deal was found by Cheapflights users on 10/30. 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.
Wed 12/38:15 amBNA - YUL
1 stop5h 07mAir Canada
Mon 12/81:15 pmYUL - BNA
Nonstop2h 50mAir Canada
Deal found 10/30$253
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 12/225:00 pmCVG - YYZ
1 stop28h 19mMultiple Airlines
Mon 1/125:15 pmYYZ - CVG
1 stop24h 33mMultiple Airlines
Deal found 10/28$263
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/65:05 amCVG - YYZ
1 stop9h 15mMultiple Airlines
Sun 12/78:00 pmYYZ - CVG
1 stop14h 52mMultiple Airlines
Deal found 10/29$266

Cheap flight deals from Kentucky to Ontario

Keep the following information in mind while searching for Kentucky to Ontario flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$142
(Kiwi.com)

One-way from

$61
(Kiwi.com)

Popular in

October

Cheapest in

November

Average price

$747
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. 7% potential increase in price ($39 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 October 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 October 30, 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

Thu 12/11

6:05 am-9:21 pm

1 stop14h 16m

Toronto Pearson Intl

Tue 12/16

6:35 pm-7:50 pm

Nonstop2h 15m

$201

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Fri 12/5

2:51 pm-10:56 pm

1 stop7h 05m

Toronto Pearson Intl

Mon 12/8

6:00 am-2:27 pm

1 stop9h 27m

$209

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Thu 12/4

2:25 pm-9:35 pm

1 stop6h 10m

Toronto Island

Fri 12/5

8:30 am-3:05 pm

1 stop7h 35m

$214

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Fri 12/5

2:25 pm-9:35 pm

1 stop6h 10m

Toronto Island

Mon 12/8

8:30 am-3:05 pm

1 stop7h 35m

$214

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Wed 12/10

8:15 am-11:12 am

Nonstop1h 57m

Toronto Pearson Intl

Fri 12/12

8:00 am-3:05 pm

1 stop8h 05m

$215

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Thu 12/11

12:45 pm-9:21 pm

1 stop7h 36m

Toronto Pearson Intl

Mon 12/15

9:00 am-12:26 pm

1 stop4h 26m

$216

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Wed 11/19

3:33 pm-11:20 pm

1 stop6h 47m

Toronto Pearson Intl

Sun 11/23

9:30 am-2:21 pm

1 stop5h 51m

$216

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Thu 12/11

12:45 pm-9:21 pm

1 stop7h 36m

Toronto Pearson Intl

Wed 12/17

3:30 pm-7:34 pm

1 stop5h 04m

$216

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Sun 11/16

5:20 am-11:03 am

1 stop4h 43m

Toronto Pearson Intl

Tue 11/18

6:00 am-11:08 am

1 stop6h 08m

$227

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Fri 11/14

5:22 am-11:14 am

1 stop4h 52m

Toronto Pearson Intl

Tue 11/18

7:30 am-2:05 pm

1 stop7h 35m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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, December is the cheapest month in which you can book a flight from Kentucky to Region of Ontario (average of $183). Flying from Kentucky to Region of Ontario in September is currently the most expensive (average of $697). 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 October 30, 2025.
Read reviews from past customers who have flown Delta, 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.
Delta
7.9
Good
7,993 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,993 reviews
Delta
7.9
Good
7,993 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,993 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,030 reviews
Delta
7.9
Good
7,993 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
WestJet
7.2
Good
3,149 reviews
Delta
7.9
Good
7,993 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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?

    American Airlines, Air Canada, and United Airlines can get you from Kentucky to Region of Ontario in just under 6h 10m. Your travel time can differ by up to 1h 26m. The distance from Kentucky to Region of Ontario is about 646 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kentucky to Region of Ontario one-way?

    The cheapest airlines for a one-way flight from Kentucky to Region of Ontario are WestJet ($61), Air Canada ($74), and American Airlines ($77).

  • 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, December is the cheapest month in which you can book a flight from Kentucky to Region of Ontario (average of $183). Flying from Kentucky to Region of Ontario in September is currently the most expensive (average of $697). 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 4 airlines flying from Kentucky to Ontario

Discover the top 4 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$183Average$752FlexibilityNo cancel feeOn-time60%
DeltaCheapest$303Average$496FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$310Average$537FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$317Average$358FlexibilityNo cancel feeOn-time71%

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