HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$77+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YYZ
juin 20 — juin 271
ven. 6/20
ven. 6/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kentucky to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 juin 15, 2025.

Round-trip from

$161
(Kiwi.com)

One-way from

$77
(American Airlines)

Popular in

December

Cheapest in

November

Average price

$384
From Kentucky to Ontario
Search Deals
One-way flight from Kentucky to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 juin 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
jeu. 10/166:05 pmBNA - YYZ
Nonstop2h 02mWestJet
sam. 10/184:00 pmYYZ - BNA
Nonstop2h 18mWestJet
Deal found 6/13$155
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 6/286:05 pmBNA - YYZ
Nonstop2h 03mMultiple Airlines
lun. 6/308:20 amYYZ - BNA
Nonstop2h 05mMultiple Airlines
Deal found 6/14$168
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/36:45 pmBNA - YYZ
Nonstop1h 55mAir Canada
lun. 9/84:50 pmYYZ - BNA
Nonstop2h 03mAir Canada
Deal found 6/14$185
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/38:15 amBNA - YTZ
1 stop7h 30mAir Canada
lun. 9/83:25 pmYTZ - BNA
1 stop6h 35mAir Canada
Deal found 6/14$189
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/1712:30 pmBNA - YYZ
1 stop5h 30mUnited Airlines
dim. 9/2110:05 amYYZ - BNA
1 stop4h 47mUnited Airlines
Deal found 6/14$210
This American Airlines deal was found by Cheapflights users on 6/14. 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.
mer. 9/172:15 pmBNA - YYZ
1 stop7h 48mAmerican Airlines
dim. 9/2110:55 amYYZ - BNA
1 stop5h 02mAmerican Airlines
Deal found 6/14$228
This Delta deal was found by Cheapflights users on 6/13. 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.
jeu. 7/246:34 pmBNA - YYZ
1 stop4h 25mDelta
lun. 7/286:30 amYYZ - BNA
1 stop7h 22mDelta
Deal found 6/13$234
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
jeu. 8/286:05 pmBNA - YUL
1 stop5h 32mWestJet
lun. 9/16:45 amYUL - BNA
1 stop11h 33mWestJet
Deal found 6/13$245
This Mytrip deal was found by Cheapflights users on 6/13. 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.
sam. 7/53:07 pmSDF - YYZ
1 stop23h 22mMultiple Airlines
sam. 7/197:55 amYYZ - SDF
1 stop27h 32mMultiple Airlines
Deal found 6/13$278
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 7/58:15 amBNA - YUL
Nonstop2h 27mAir Canada
sam. 7/128:15 pmYUL - BNA
Nonstop2h 48mAir Canada
Deal found 6/14$279
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/316:15 amCVG - YYZ
1 stop7h 50mMultiple Airlines
dim. 8/36:30 amYYZ - CVG
1 stop29h 23mMultiple Airlines
Deal found 6/14$288
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
jeu. 7/246:05 pmBNA - YUL
1 stop5h 32mMultiple Airlines
dim. 7/277:00 amYUL - BNA
2 stops14h 04mMultiple Airlines
Deal found 6/14$297

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 juin 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

sam. 7/12

6:05 pm-9:08 pm

Nonstop2h 03m

Toronto Pearson Intl

lun. 7/14

4:00 pm-5:15 pm

Nonstop2h 15m

$161

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

sam. 6/28

6:05 pm-9:08 pm

Nonstop2h 03m

Toronto Pearson Intl

lun. 6/30

8:20 am-9:25 am

Nonstop2h 05m

$168

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

mer. 9/3

6:45 pm-9:40 pm

Nonstop1h 55m

Toronto Pearson Intl

lun. 9/8

4:50 pm-5:53 pm

Nonstop2h 03m

$185

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

mer. 9/3

8:15 am-4:45 pm

1 stop7h 30m

Toronto Island

lun. 9/8

3:25 pm-9:00 pm

1 stop6h 35m

$189

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

mer. 9/3

12:30 pm-7:00 pm

1 stop5h 30m

Toronto Pearson Intl

lun. 9/8

9:00 am-3:55 pm

1 stop7h 55m

$210

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

jeu. 7/24

6:34 pm-11:59 pm

1 stop4h 25m

Toronto Pearson Intl

lun. 7/28

6:30 am-12:52 pm

1 stop7h 22m

$234

NashvilleMontreal

BNA - YUL

BNAYUL

Nashville Intl

jeu. 8/28

6:05 pm-12:37 am

1 stop5h 32m

Montreal Pierre Elliott Trudeau Intl

lun. 9/1

6:45 am-5:18 pm

1 stop11h 33m

$245

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

ven. 8/29

2:36 pm-11:10 pm

1 stop7h 34m

Toronto Pearson Intl

mer. 9/3

7:35 am-11:10 am

1 stop4h 35m

$261

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

sam. 7/5

3:07 pm-2:29 pm

1 stop23h 22m

Toronto Pearson Intl

sam. 7/19

7:55 am-11:27 am

1 stop27h 32m

$278

NashvilleMontreal

BNA - YUL

BNAYUL

Nashville Intl

sam. 7/5

8:15 am-11:42 am

Nonstop2h 27m

Montreal Pierre Elliott Trudeau Intl

sam. 7/12

8:15 pm-10:03 pm

Nonstop2h 48m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 60 results
1
2
3
...
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, January is the cheapest month in which you can book a flight from Kentucky to Region of Ontario (average of $243). Flying from Kentucky to Region of Ontario in July is currently the most expensive (average of $353). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 juin 15, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Porter Airlines and Delta from Kentucky to Ontario to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Porter Airlines
8.0
Very good
289 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,798 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Allegiant Air
7.3
Good
722 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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.

  • 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 American Airlines ($77), WestJet ($78), and United Airlines ($80).

  • 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, January is the cheapest month in which you can book a flight from Kentucky to Region of Ontario (average of $243). Flying from Kentucky to Region of Ontario in July is currently the most expensive (average of $353). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kentucky to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Pearson Intl flights
Newark to Toronto Island flights
John F Kennedy Intl to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Los Angeles to Pearson Intl flights
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Calgary flights
Newark to Pierre Elliott Trudeau Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Newark to Vancouver Intl flights
San Francisco to Vancouver Intl flights
Los Angeles to Vancouver Intl flights
Dulles Intl to Pearson Intl flights
John F Kennedy Intl to Vancouver Intl flights
Newark to Calgary flights
O'Hare Intl to Vancouver Intl flights
Reagan-National to Pearson Intl flights
Boston to Pearson Intl flights
San Francisco to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
Denver to Vancouver Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
San Francisco to Calgary flights
Seattle to Pearson Intl flights
Seattle to Calgary flights
Boston to Vancouver Intl flights
O'Hare Intl to Calgary flights
Los Angeles to Calgary flights
Minneapolis to Calgary flights
Dulles Intl to Vancouver Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pearson Intl flights
Dallas/Fort Worth to Vancouver Intl flights
Atlanta to Vancouver Intl flights
Hobby to Vancouver Intl flights
Minneapolis to Vancouver Intl flights
Santa Ana to Vancouver Intl flights
Austin to Vancouver Intl flights
Detroit to Vancouver Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Atlanta to Pearson Intl flights
San Francisco to Abbotsford flights
Hobby to Pearson Intl flights
LaGuardia to Vancouver Intl flights
George Bush Intcntl to Vancouver Intl flights
Atlanta to Calgary flights
Dulles Intl to Calgary flights
Dulles Intl to Toronto Island flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights

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 juin 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$458FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$389FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$536FlexibilityNo cancel feeOn-time69%
WestJetCheapest$316Average$576FlexibilityNo cancel feeOn-time60%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.