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$84+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YYZ
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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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 August 1, 2025.

Round-trip from

$158
(Kiwi.com)

One-way from

$84
(SmartFares)

Popular in

December

Cheapest in

November

Average price

$575
From Kentucky to Ontario
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One-way flight from Kentucky to Ontario
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Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:05 pmBNA - YYZ
Nonstop2h 02mWestJet
Thu 9/114:00 pmYYZ - BNA
Nonstop2h 18mWestJet
Deal found 7/30$158
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:45 pmBNA - YYZ
Nonstop1h 55mAir Canada
Sat 9/204:50 pmYYZ - BNA
Nonstop2h 03mAir Canada
Deal found 7/29$170
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:45 amBNA - YYZ
1 stop7h 20mMultiple Airlines
Sat 9/206:30 amYYZ - BNA
1 stop17h 04mMultiple Airlines
Deal found 7/29$185
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/96:20 pmBNA - YYZ
1 stop14h 44mUnited Airlines
Wed 9/101:00 pmYYZ - BNA
1 stop10h 59mUnited Airlines
Deal found 7/31$190
This Air Canada deal was found by Cheapflights users on 7/31. 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 10/18:15 amBNA - YTZ
1 stop5h 30mAir Canada
Sat 10/43:25 pmYTZ - BNA
1 stop6h 35mAir Canada
Deal found 7/31$214
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:35 pmBNA - YYZ
1 stop7h 28mAmerican Airlines
Sat 9/66:14 amYYZ - BNA
1 stop7h 44mAmerican Airlines
Deal found 7/30$236
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Thu 11/62:25 pmBNA - YUL
Nonstop2h 16mAir Canada
Sun 11/91:15 pmYUL - BNA
Nonstop2h 50mAir Canada
Deal found 7/30$263
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:45 amBNA - YUL
1 stop8h 25mMultiple Airlines
Wed 11/56:45 amYUL - BNA
1 stop17h 09mMultiple Airlines
Deal found 7/30$296
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:00 pmCVG - YYZ
1 stop8h 00mMultiple Airlines
Sat 11/17:10 amYYZ - CVG
1 stop16h 49mMultiple Airlines
Deal found 7/30$302
This Mytrip deal was found by Cheapflights users on 8/1. 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 9/257:43 pmBNA - YTZ
2 stops20h 02mMultiple Airlines
Mon 9/298:45 amYTZ - BNA
1 stop10h 52mMultiple Airlines
Deal found 8/1$319
This Mytrip deal was found by Cheapflights users on 8/1. 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.
Sun 9/146:34 pmSDF - YYZ
1 stop12h 25mMultiple Airlines
Sun 9/216:30 amYYZ - SDF
1 stop15h 34mMultiple Airlines
Deal found 8/1$321
This Mytrip deal was found by Cheapflights users on 8/1. 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.
Mon 10/278:45 amTYS - YYZ
1 stop11h 15mMultiple Airlines
Wed 10/2910:55 amYYZ - TYS
2 stops22h 08mMultiple Airlines
Deal found 8/1$336

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 August 1, 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 9/4

6:05 pm-9:07 pm

Nonstop2h 02m

Toronto Pearson Intl

Thu 9/11

4:00 pm-5:18 pm

Nonstop2h 18m

$158

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Sat 9/13

6:45 pm-9:40 pm

Nonstop1h 55m

Toronto Pearson Intl

Sat 9/20

4:50 pm-5:53 pm

Nonstop2h 03m

$170

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Sat 9/13

5:45 am-2:05 pm

1 stop7h 20m

Toronto Pearson Intl

Sat 9/20

6:30 am-10:34 pm

1 stop17h 04m

$185

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Tue 9/9

6:20 pm-10:04 am

1 stop14h 44m

Toronto Pearson Intl

Wed 9/10

1:00 pm-10:59 pm

1 stop10h 59m

$190

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Wed 10/1

8:15 am-2:45 pm

1 stop5h 30m

Toronto Island

Sat 10/4

3:25 pm-9:00 pm

1 stop6h 35m

$214

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Thu 9/4

2:35 pm-11:03 pm

1 stop7h 28m

Toronto Pearson Intl

Sat 9/6

6:14 am-12:58 pm

1 stop7h 44m

$236

NashvilleMontreal

BNA - YUL

BNAYUL

Nashville Intl

Thu 11/6

2:25 pm-5:41 pm

Nonstop2h 16m

Montreal Pierre Elliott Trudeau Intl

Sun 11/9

1:15 pm-3:05 pm

Nonstop2h 50m

$263

NashvilleMontreal

BNA - YUL

BNAYUL

Nashville Intl

Tue 11/4

5:45 am-3:10 pm

1 stop8h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 11/5

6:45 am-10:54 pm

1 stop17h 09m

$296

CincinnatiToronto

CVG - YYZ

CVGYYZ

Cincinnati Cinci./N. Kentucky

Mon 10/27

12:00 pm-8:00 pm

1 stop8h 00m

Toronto Pearson Intl

Sat 11/1

7:10 am-11:59 pm

1 stop16h 49m

$302

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Thu 9/25

7:43 pm-4:45 pm

2 stops20h 02m

Toronto Island

Mon 9/29

8:45 am-6:37 pm

1 stop10h 52m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

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, 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 August is currently the most expensive (average of $348). 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 August 1, 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
8.0
Very good
7,983 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,980 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,855 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 WestJet ($84), Delta ($89), and Air Canada ($91).

  • 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 August is currently the most expensive (average of $348). 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$183Average$629FlexibilityNo cancel feeOn-time60%
DeltaCheapest$268Average$449FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$276Average$537FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$276Average$385FlexibilityNo cancel feeOn-time71%

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