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$66+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YYZ
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$132
(Kiwi.com)

One-way from

$66
(Mytrip)

Popular in

December

Cheapest in

November

Average price

$445
Provider with most accurate pricing for Louisville Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Toronto (YTO) flights.
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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. 16% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Tue 9/236:05 pmBNA - YYZ
Nonstop2h 02mWestJet
Fri 9/264:00 pmYYZ - BNA
Nonstop2h 18mWestJet
Deal found 4/28$132
This Flightnetwork deal was found by Cheapflights users on 4/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/116:05 pmBNA - YYZ
Nonstop2h 03mMultiple Airlines
Wed 6/184:40 pmYYZ - BNA
Nonstop2h 05mMultiple Airlines
Deal found 4/27$157
This Flightnetwork deal was found by Cheapflights users on 4/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/146:04 amBNA - YYZ
1 stop5h 38mAir Canada
Sat 6/214:40 pmYYZ - BNA
Nonstop2h 05mAir Canada
Deal found 4/27$172
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:40 pmBNA - YYZ
Nonstop1h 59mUnited Airlines
Mon 6/168:20 amYYZ - BNA
Nonstop2h 07mUnited Airlines
Deal found 4/27$189
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/42:29 pmBNA - YYZ
1 stop6h 56mAmerican Airlines
Fri 6/63:45 pmYYZ - BNA
1 stop6h 41mAmerican Airlines
Deal found 4/27$209
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/261:47 pmBNA - YYZ
1 stop8h 11mDelta
Mon 6/306:30 amYYZ - BNA
1 stop7h 22mDelta
Deal found 4/28$233
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:15 amBNA - YTZ
1 stop5h 30mAir Canada
Mon 10/203:25 pmYTZ - BNA
1 stop6h 35mAir Canada
Deal found 4/29$246
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Wed 6/119:34 amSDF - YYZ
1 stop28h 31mMultiple Airlines
Sun 6/156:30 amYYZ - SDF
1 stop17h 08mMultiple Airlines
Deal found 4/27$249
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 8/236:05 pmBNA - YUL
1 stop5h 32mWestJet
Sat 8/306:45 amYUL - BNA
1 stop11h 30mWestJet
Deal found 4/29$252
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Fri 6/66:05 pmBNA - YUL
1 stop5h 32mMultiple Airlines
Tue 6/106:45 amYUL - BNA
2 stops11h 04mMultiple Airlines
Deal found 4/28$264
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Wed 6/181:48 pmCVG - YYZ
1 stop24h 17mMultiple Airlines
Tue 6/246:30 amYYZ - CVG
1 stop7h 41mMultiple Airlines
Deal found 4/28$283
This Trip.com deal was found by Cheapflights users on 4/28. 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.
Sat 6/146:05 pmBNA - YOW
1 stop5h 17mWestJet
Sat 6/285:55 amYOW - BNA
1 stop12h 20mWestJet
Deal found 4/28$295

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 April 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

Tue 9/23

6:05 pm-9:07 pm

Nonstop2h 02m

Toronto Pearson Intl

Fri 9/26

4:00 pm-5:18 pm

Nonstop2h 18m

$132

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Wed 6/11

6:05 pm-9:08 pm

Nonstop2h 03m

Toronto Pearson Intl

Wed 6/18

4:40 pm-5:45 pm

Nonstop2h 05m

$157

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Sat 6/14

6:04 am-12:42 pm

1 stop5h 38m

Toronto Pearson Intl

Sat 6/21

4:40 pm-5:45 pm

Nonstop2h 05m

$172

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Thu 6/12

6:40 pm-9:39 pm

Nonstop1h 59m

Toronto Pearson Intl

Mon 6/16

8:20 am-9:27 am

Nonstop2h 07m

$189

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Wed 6/4

2:29 pm-10:25 pm

1 stop6h 56m

Toronto Pearson Intl

Fri 6/6

3:45 pm-9:26 pm

1 stop6h 41m

$209

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Thu 6/26

1:47 pm-10:58 pm

1 stop8h 11m

Toronto Pearson Intl

Mon 6/30

6:30 am-12:52 pm

1 stop7h 22m

$233

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Wed 6/11

9:34 am-2:05 pm

1 stop28h 31m

Toronto Pearson Intl

Sun 6/15

6:30 am-11:38 pm

1 stop17h 08m

$249

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Tue 5/13

8:15 am-4:50 pm

1 stop7h 35m

Toronto Island

Tue 5/20

12:25 pm-9:49 pm

2 stops10h 24m

$251

NashvilleMontreal

BNA - YUL

BNAYUL

Nashville Intl

Sat 8/23

6:05 pm-12:37 am

1 stop5h 32m

Montreal Pierre Elliott Trudeau Intl

Sat 8/30

6:45 am-5:15 pm

1 stop11h 30m

$252

NashvilleMontreal

BNA - YUL

BNAYUL

Nashville Intl

Fri 6/6

6:05 pm-12:37 am

1 stop5h 32m

Montreal Pierre Elliott Trudeau Intl

Tue 6/10

6:45 am-4:49 pm

2 stops11h 04m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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, 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 $359). 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 April 30, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines 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.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,823 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,242 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 ($67), Air Canada ($70), 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, 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 $359). 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 5 airlines flying from Kentucky to Ontario

Discover the top 5 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$458FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$276Average$398FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$276Average$536FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$276Average$395FlexibilityNo cancel feeOn-time71%
WestJetCheapest$316Average$411FlexibilityNo cancel feeOn-time60%

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