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$69+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YYZ
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$132
(Kiwi.com)

One-way from

$69
(Air Canada)

Popular in

December

Cheapest in

November

Average price

$376
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. 17% potential increase in price ($80 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 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:05 pmBNA - YYZ
Nonstop2h 03mWestJet
Tue 5/64:00 pmYYZ - BNA
Nonstop2h 15mWestJet
Deal found 3/31$132
This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:05 pmBNA - YYZ
Nonstop2h 03mMultiple Airlines
Tue 5/139:00 pmYYZ - BNA
1 stop13h 00mMultiple Airlines
Deal found 4/1$168
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1910:15 amBNA - YYZ
Nonstop1h 58mUnited Airlines
Sat 7/268:20 amYYZ - BNA
Nonstop2h 05mUnited Airlines
Deal found 4/1$177
This Air Canada deal was found by Cheapflights users on 4/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/38:15 amBNA - YYZ
1 stop5h 19mAir Canada
Mon 5/128:20 amYYZ - BNA
Nonstop2h 07mAir Canada
Deal found 4/1$182
This Air Canada deal was found by Cheapflights users on 4/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/158:15 amBNA - YTZ
1 stop5h 35mAir Canada
Thu 5/2210:20 amYTZ - BNA
2 stops11h 44mAir Canada
Deal found 4/1$186
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 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 32mWestJet
Sun 6/86:45 amYUL - BNA
1 stop11h 30mWestJet
Deal found 4/1$192
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Fri 6/66:05 pmBNA - YUL
1 stop5h 32mMultiple Airlines
Sun 6/86:35 pmYUL - BNA
1 stop13h 09mMultiple Airlines
Deal found 4/1$231
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/175:15 amBNA - YYZ
1 stop4h 09mDelta
Sun 4/201:27 pmYYZ - BNA
1 stop4h 38mDelta
Deal found 4/1$232
This Air Canada deal was found by Cheapflights users on 4/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/236:04 amBNA - YUL
1 stop11h 46mAir Canada
Sat 7/261:00 pmYUL - BNA
Nonstop2h 48mAir Canada
Deal found 4/1$239
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/83:47 pmBNA - YYZ
1 stop5h 32mAmerican Airlines
Fri 4/117:15 pmYYZ - BNA
1 stop5h 11mAmerican Airlines
Deal found 4/1$249
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Fri 4/255:45 amSDF - YYZ
1 stop17h 15mMultiple Airlines
Sun 4/276:30 amYYZ - SDF
2 stops34h 47mMultiple Airlines
Deal found 4/1$261
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Wed 4/161:25 pmTYS - YYZ
1 stop24h 30mMultiple Airlines
Sun 4/208:15 pmYYZ - TYS
1 stop21h 44mMultiple Airlines
Deal found 4/1$269

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 2, 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

Fri 5/2

6:05 pm-9:08 pm

Nonstop2h 03m

Toronto Pearson Intl

Tue 5/6

4:00 pm-5:15 pm

Nonstop2h 15m

$132

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Thu 5/8

6:05 pm-9:08 pm

Nonstop2h 03m

Toronto Pearson Intl

Tue 5/13

9:00 pm-9:00 am

1 stop13h 00m

$168

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Sat 5/3

8:15 am-2:34 pm

1 stop5h 19m

Toronto Pearson Intl

Mon 5/12

8:20 am-9:27 am

Nonstop2h 07m

$182

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Thu 5/1

6:00 am-10:36 pm

1 stop15h 36m

Toronto Pearson Intl

Sun 5/11

8:20 am-9:27 am

Nonstop2h 07m

$186

NashvilleToronto

BNA - YTZ

BNAYTZ

Nashville Intl

Thu 5/15

8:15 am-2:50 pm

1 stop5h 35m

Toronto Island

Thu 5/22

10:20 am-9:04 pm

2 stops11h 44m

$186

NashvilleMontreal

BNA - YUL

BNAYUL

Nashville Intl

Fri 6/6

6:05 pm-12:37 am

1 stop5h 32m

Montreal Pierre Elliott Trudeau Intl

Sun 6/8

6:45 am-5:15 pm

1 stop11h 30m

$192

NashvilleMontreal

BNA - YUL

BNAYUL

Nashville Intl

Fri 6/6

6:05 pm-12:37 am

1 stop5h 32m

Montreal Pierre Elliott Trudeau Intl

Sun 6/8

6:35 pm-6:44 am

1 stop13h 09m

$231

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Mon 4/14

6:09 pm-10:55 pm

1 stop3h 46m

Toronto Pearson Intl

Mon 4/21

6:15 am-11:24 am

1 stop6h 09m

$232

NashvilleMontreal

BNA - YUL

BNAYUL

Nashville Intl

Wed 7/23

6:04 am-6:50 pm

1 stop11h 46m

Montreal Pierre Elliott Trudeau Intl

Sat 7/26

1:00 pm-2:48 pm

Nonstop2h 48m

$239

NashvilleToronto

BNA - YYZ

BNAYYZ

Nashville Intl

Tue 4/8

3:47 pm-10:19 pm

1 stop5h 32m

Toronto Pearson Intl

Fri 4/11

7:15 pm-11:26 pm

1 stop5h 11m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

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 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 2, 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
7,898 reviews

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

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
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

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
8,616 reviews
Delta
8.0
Very good
7,898 reviews

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

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
7,898 reviews

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

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
2,789 reviews
Delta
8.0
Very good
7,898 reviews

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

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
9,022 reviews
Delta
8.0
Very good
7,898 reviews

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

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 Air Canada ($69), WestJet ($71), and United Airlines ($74).

  • 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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$450FlexibilityNo 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$464FlexibilityNo cancel feeOn-time60%

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