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Cheap flights from Ontario to Kentucky from C$ 265

YYZ — SDF
25 Nov — 2 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Kentucky

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Kentucky

Tue 8/129:35 a.m. -
2 stops30h 57m
Mon 14/1212:38 p.m. -
1 stop26h 12m
Deal found 25/10C$ 547
Wed 9/127:15 a.m. -
1 stop13h 32m
Mon 14/1212:38 p.m. -
1 stop26h 42m
Deal found 25/10C$ 565
Mon 7/1212:30 p.m. -
1 stop8h 55m
Sat 12/125:55 a.m. -
1 stop10h 35m
Deal found 23/10C$ 569
Mon 7/129:35 a.m. -
2 stops54h 57m
Mon 14/1212:38 p.m. -
1 stop10h 17m
Deal found 23/10C$ 596
Fri 11/127:15 a.m. -
1 stop13h 27m
Mon 14/1212:38 p.m. -
1 stop26h 42m
Deal found 25/10C$ 603
Sun 6/127:00 a.m. -
1 stop28h 48m
Sun 13/129:09 p.m. -
2 stops25h 46m
Deal found 21/10C$ 604
Wed 9/127:15 a.m. -
1 stop13h 32m
Wed 16/125:12 p.m. -
2 stops20h 28m
Deal found 25/10C$ 614
Mon 7/1212:30 p.m. -
1 stop8h 55m
Mon 14/125:49 p.m. -
1 stop4h 50m
Deal found 23/10C$ 627
Sat 12/127:15 a.m. -
1 stop13h 32m
Mon 14/129:22 p.m. -
1 stop17h 08m
Deal found 25/10C$ 652
Fri 13/117:35 a.m. -
1 stop12h 29m
Mon 16/116:53 p.m. -
1 stop19h 57m
Deal found 21/10C$ 655
Tue 10/1110:53 a.m. -
1 stop6h 37m
Mon 23/116:15 p.m. -
1 stop5h 44m
Deal found 26/10C$ 666
Thu 26/1110:00 a.m. -
1 stop4h 47m
Sun 29/117:00 a.m. -
1 stop7h 03m
Deal found 26/10C$ 674

Find flight deals from Ontario to Kentucky

Round-trip from

C$ 547

One-way from

C$ 265

Popular in

February

Cheapest in

May

Average price

C$ 701
8/12-14/12
  • 8/12-14/12
  • 3 total stops
  • 57h 09m total
  • Ontario to Kentucky
Search Deals
8/12-31/12
  • 8/12-31/12
  • 2 total stops
  • 30h 57m total
  • Ontario to Kentucky
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ontario to Kentucky that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Sun 6/12

3:30 p.m.-11:48 a.m.

1 stop20h 18m

Louisville Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 300

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Fri 20/11

6:21 p.m.-9:28 a.m.

1 stop15h 07m

Louisville Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 332

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Fri 20/11

6:30 a.m.-3:26 p.m.

2 stops32h 56m

Louisville Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 348

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Thu 12/11

7:35 a.m.-8:29 p.m.

2 stops12h 54m

Louisville Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 355

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Mon 7/12

7:00 a.m.-4:32 p.m.

3 stops57h 32m

Louisville Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 360

TorontoLexington

YYZ Toronto Pearson Intl - LEX Lexington Blue Grass

YYZLEX

Toronto Pearson Intl

Thu 10/12

10:00 a.m.-11:23 p.m.

2 stops13h 23m

Lexington Blue Grass

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 367

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Fri 25/12

3:25 p.m.-10:07 a.m.

1 stop18h 42m

Louisville Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 371

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Tue 8/12

1:22 p.m.-9:37 p.m.

1 stop8h 15m

Louisville Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 371
Quickest round-trip

TorontoLexington

YYZ Toronto Pearson Intl - LEX Lexington Blue Grass

YYZLEX

Toronto Pearson Intl

Sun 15/11

6:00 a.m.-10:10 a.m.

1 stop4h 10m

Lexington Blue Grass

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 374

TorontoLexington

YYZ Toronto Pearson Intl - LEX Lexington Blue Grass

YYZLEX

Toronto Pearson Intl

Mon 11/1

10:20 a.m.-11:22 p.m.

2 stops13h 02m

Lexington Blue Grass

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 377

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/10

Showing 1-10 of 54 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Ontario with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ontario to Kentucky

What is the cheapest month to book a flight from Region of Ontario to Kentucky?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Kentucky (average of C$ 662). Flying from Region of Ontario to Kentucky in January is currently the most expensive (average of C$ 1,013). 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.

What is the cheapest time of day to fly from ON to KY?

When flying from Region of Ontario to Kentucky, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Region of Ontario to Kentucky?

Airfare is below average for this route at the moment.
Region of Ontario to Kentucky flights typically cost between C$ 764 and C$ 953 in December.
The cheapest round-trip price found within the last 5 days was C$ 547 on Multiple Airlines (8 Dec-14 Dec).

Reviews of airlines servicing Kentucky

Read reviews from past customers who have flown United Airlines,WestJet, andAmerican Airlines from Ontario to Kentucky. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.3
Good
10,444 reviews
Check prices

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.3
Good
10,444 reviews
United Airlines
7.3
Good
10,444 reviews
Check prices

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,445 reviews
United Airlines
7.3
Good
10,444 reviews
Check prices

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
American Airlines
7.0
Good
12,188 reviews
United Airlines
7.3
Good
10,444 reviews
Check prices

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

  • How long is the flight from Region of Ontario to Kentucky?

    A quick flight from Region of Ontario to Kentucky can take about 6h 07m. United Airlines provides one of the quickest options available for as low as C$ 677. The distance from Region of Ontario to Kentucky is about 798 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Ontario to Kentucky that include hotel bookings?

    Yes. In addition to deals on Ontario to Kentucky flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Kentucky?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Kentucky.

  • Can I find deals for business class flights from Ontario to Kentucky?

    Yes. Cheapflights offers flight deals from Ontario to Kentucky 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 Region of Ontario to Kentucky?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Kentucky (average of C$ 662). Flying from Region of Ontario to Kentucky in January is currently the most expensive (average of C$ 1,013). 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

Alternative routes for Ontario to Kentucky

Toronto Island to Newark flights
Pearson Intl to Newark flights
Toronto Island to LaGuardia flights
Pearson Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Newark flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Miami flights
Pearson Intl to Fort Lauderdale flights
Vancouver Intl to Las Vegas flights
Vancouver Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Miami flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Orlando flights
Toronto Island to John F Kennedy Intl flights
Pearson Intl to Dallas/Fort Worth flights
Vancouver Intl to Newark flights
Vancouver Intl to Honolulu flights
Hamilton to Newark flights
Pearson Intl to Hobby flights
Vancouver Intl to Dallas/Fort Worth flights
Pearson Intl to Reagan-National flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Orlando flights
Toronto Island to Fort Lauderdale flights
Vancouver Intl to San Francisco flights
Vancouver Intl to John F Kennedy Intl flights
Pearson Intl to George Bush Intcntl flights
Toronto Island to Orlando flights
Pearson Intl to Los Angeles flights
Hamilton to Fort Lauderdale flights
Toronto Island to Miami flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Tampa flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Vancouver Intl to Ontario flights
Ottawa to Fort Lauderdale flights
Pearson Intl to San Francisco flights
Pearson Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to Boston flights
Abbotsford to Los Angeles flights
Pearson Intl to Dulles Intl flights
Vancouver Intl to Sky Harbor Intl flights
Vancouver Intl to LaGuardia flights
Pearson Intl to Fort Myers flights
Calgary to Las Vegas flights
Pearson Intl to Atlanta flights
Calgary to Sky Harbor Intl flights

Top 3 airlines flying from Ontario to Kentucky

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 431AverageC$ 734FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 499AverageC$ 844FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 546AverageC$ 833FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Kentucky?

Cheapflights makes it easy to find Ontario to Kentucky flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Kentucky?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Kentucky for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Kentucky with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to Kentucky with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Kentucky become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Kentucky from Ontario today and book when prices fit your budget.

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