How many flights depart from Region of Ontario to Kentucky on average per week?

12 flights are operational weekly from Region of Ontario to Kentucky as of October 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

What is the cheapest airline that flies from Ontario to Kentucky?

Delta and United Airlines are the most popular carriers operating from Ontario to Kentucky

Which airlines fly to Kentucky?

United Airlines, WestJet and American Airlines are the top three most popular airlines that fly to Kentucky from Region of Ontario according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when travelling to Kentucky. Keep in mind that there are 3 different airlines that fly to Kentucky on a routine basis, so you have a few additional options to choose from.

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

If you’re flying from a popular airport in Region of Ontario, such as Toronto or Ottawa, and flying into Kentucky, then you can expect flight times to average 4h 51m and 6h 50m, respectively.

When did momondo last update prices for flights from Ontario to Kentucky?

Prices for flights from Ontario to Kentucky are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario to Kentucky?

There are 3 operators available for flights from Ontario to Kentucky as of October 2026.

How old do you have to be to fly from Ontario to Kentucky?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Kentucky.

What documentation or ID do you need to fly to Kentucky?

The necessary travel and health documents for your Kentucky trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 300 Cheap Flights from Ontario to Kentucky in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Kentucky

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:20 p.m. - 8:29 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

8h 09m1 stop Tampa

9:09 p.m. - 11:50 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

26h 41m1 stop Tampa

C$ 574Multiple Airlines

Thu, 12 Nov - Thu, 19 Nov

12:20 p.m. - 8:29 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

8h 09m1 stop Tampa

9:09 p.m. - 11:50 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

26h 41m1 stop Tampa

C$ 605Multiple Airlines

Thu, 12 Nov - Thu, 19 Nov

12:20 p.m. - 8:29 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

8h 09m1 stop Tampa

9:09 p.m. - 7:37 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

22h 28m2 stops Tampa New York LaGuardia

C$ 612Multiple Airlines

Thu, 12 Nov - Thu, 19 Nov

8:35 a.m. - 1:26 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

4h 51m1 stop Chicago O'Hare Intl

8:45 a.m. - 1:43 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

4h 58m1 stop Newark

C$ 680United Airlines

Sat, 9 Jan - Tue, 12 Jan

3:35 p.m. - 8:25 p.m.YYZ Toronto Pearson Intl-LEX Lexington Blue Grass

4h 50m1 stop Chicago O'Hare Intl

10:50 a.m. - 4:47 p.m.LEX Lexington Blue Grass-YYZ Toronto Pearson Intl

5h 57m1 stop Chicago O'Hare Intl

C$ 699United Airlines

Sat, 12 Dec - Tue, 15 Dec

9:44 a.m. - 11:30 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

13h 46m1 stop Newark

9:02 a.m. - 2:03 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

5h 01m1 stop Chicago O'Hare Intl

C$ 726United Airlines

Fri, 6 Nov - Sun, 8 Nov

8:00 p.m. - 9:25 a.m.YYZ Toronto Pearson Intl-LEX Lexington Blue Grass

13h 25m2 stops Calgary Atlanta Hartsfield-Jackson

5:59 p.m. - 11:59 p.m.LEX Lexington Blue Grass-YYZ Toronto Pearson Intl

6h 00m1 stop Atlanta Hartsfield-Jackson

C$ 860WestJet

Sat, 17 Oct - Sat, 24 Oct

9:45 a.m. - 5:09 p.m.YYZ Toronto Pearson Intl-LEX Lexington Blue Grass

7h 24m1 stop Detroit Metropolitan Wayne County

6:00 p.m. - 7:20 p.m.LEX Lexington Blue Grass-YYZ Toronto Pearson Intl

25h 20m2 stops Atlanta Hartsfield-Jackson Calgary

C$ 922WestJet

Sat, 14 Nov - Sat, 21 Nov

7:00 a.m. - 5:25 p.m.YOW Ottawa-SDF Louisville Intl

10h 25m2 stops Toronto Pearson Intl Charlotte Douglas

10:13 a.m. - 5:58 p.m.SDF Louisville Intl-YOW Ottawa

7h 45m2 stops Chicago O'Hare Intl Toronto Pearson Intl

C$ 984American Airlines

Fri, 13 Nov - Sat, 5 Dec

1:34 p.m. - 11:59 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

10h 25m1 stop Atlanta Hartsfield-Jackson

6:00 a.m. - 7:20 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

13h 20m2 stops Atlanta Hartsfield-Jackson Calgary

C$ 1,099WestJet

Fri, 6 Nov - Sun, 8 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

2:26 p.m. - 9:13 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

6h 47m1 stop Detroit Metropolitan Wayne County

6:00 a.m. - 10:23 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

4h 23m1 stop Atlanta Hartsfield-Jackson

C$ 736Delta

Wed, 7 Oct - Mon, 12 Oct

1:00 p.m. - 7:11 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

6h 11m1 stop Chicago O'Hare Intl

6:00 a.m. - 11:48 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

5h 48m1 stop Newark

C$ 789United Airlines

Tue, 6 Oct - Fri, 27 Nov

9:44 a.m. - 2:39 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

4h 55m1 stop Washington, D.C. Dulles Intl

6:00 a.m. - 1:43 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

7h 43m1 stop Newark

C$ 796United Airlines

Wed, 7 Oct - Fri, 27 Nov

7:30 a.m. - 12:39 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

5h 09m1 stop Newark

11:17 a.m. - 5:49 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

6h 32m1 stop Newark

C$ 824United Airlines

Mon, 5 Oct - Fri, 27 Nov

7:45 a.m. - 12:54 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

5h 09m1 stop Atlanta Hartsfield-Jackson

3:00 p.m. - 11:57 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

8h 57m1 stop Atlanta Hartsfield-Jackson

C$ 824Delta

Thu, 8 Oct - Fri, 27 Nov

6:15 a.m. - 2:41 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

8h 26m1 stop Atlanta Hartsfield-Jackson

7:50 a.m. - 11:19 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

3h 29m1 stop Detroit Metropolitan Wayne County

C$ 824Delta

Fri, 9 Oct - Fri, 27 Nov

6:00 a.m. - 9:59 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

3h 59m1 stop Detroit Metropolitan Wayne County

5:57 p.m. - 11:59 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

6h 02m1 stop Atlanta Hartsfield-Jackson

C$ 847Delta

Wed, 7 Oct - Thu, 8 Oct

11:40 a.m. - 5:37 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

5h 57m1 stop Chicago O'Hare Intl

10:01 a.m. - 9:48 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

11h 47m2 stops Chicago O'Hare Intl Philadelphia

C$ 1,055American Airlines

Tue, 6 Oct - Fri, 27 Nov

11:09 a.m. - 5:23 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

6h 14m1 stop Washington, D.C. Reagan-National

10:01 a.m. - 9:48 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

11h 47m2 stops Chicago O'Hare Intl Philadelphia

C$ 1,083American Airlines

Mon, 5 Oct - Fri, 27 Nov

7:29 a.m. - 12:10 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

4h 41m1 stop Chicago O'Hare Intl

10:01 a.m. - 9:48 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

11h 47m2 stops Chicago O'Hare Intl Philadelphia

C$ 1,083American Airlines

Thu, 8 Oct - Fri, 27 Nov

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Delta flights from Region of Ontario to Kentucky

Our best Delta deals on Region of Ontario to Kentucky flight tickets

Delta

9 Jan

YYZ5:15 p.m.Toronto Pearson Intl

4h 26m

1 stop

SDF9:41 p.m.Louisville Intl

12 Jan

SDF10:43 a.m.Louisville Intl

5h 35m

1 stop

YYZ4:18 p.m.Toronto Pearson Intl

C$ 619

Delta

24 Oct

YYZ6:10 a.m.Toronto Pearson Intl

6h 44m

1 stop

SDF12:54 p.m.Louisville Intl

25 Oct

SDF2:36 p.m.Louisville Intl

8h 20m

1 stop

YYZ10:56 p.m.Toronto Pearson Intl

C$ 636

Delta

12 Dec

YYZ12:20 p.m.Toronto Pearson Intl

4h 36m

1 stop

LEX4:56 p.m.Lexington Blue Grass

15 Dec

LEX7:05 a.m.Lexington Blue Grass

9h 09m

1 stop

YYZ4:14 p.m.Toronto Pearson Intl

C$ 638

United Airlines flights from Region of Ontario to Kentucky

Our best United Airlines deals on Region of Ontario to Kentucky flight tickets

United Airlines

6 Nov

YYZ9:44 a.m.Toronto Pearson Intl

13h 46m

1 stop

SDF11:30 p.m.Louisville Intl

8 Nov

SDF9:02 a.m.Louisville Intl

5h 01m

1 stop

YYZ2:03 p.m.Toronto Pearson Intl

C$ 726

United Airlines

4 Nov

YYZ6:45 a.m.Toronto Pearson Intl

12h 45m

2 stops

SDF7:30 p.m.Louisville Intl

9 Nov

SDF6:00 a.m.Louisville Intl

17h 52m

1 stop

YYZ11:52 p.m.Toronto Pearson Intl

C$ 776

United Airlines

6 Oct

YYZ1:00 p.m.Toronto Pearson Intl

6h 11m

1 stop

SDF7:11 p.m.Louisville Intl

27 Nov

SDF6:00 a.m.Louisville Intl

5h 48m

1 stop

YYZ11:48 a.m.Toronto Pearson Intl

C$ 789

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Thu 12/11

12:20 p.m.-8:29 p.m.

1 stop8h 09m

Louisville Intl

Thu 19/11

9:09 p.m.-11:50 p.m.

1 stop26h 41m

C$ 574

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Thu 12/11

12:20 p.m.-8:29 p.m.

1 stop8h 09m

Louisville Intl

Thu 19/11

9:09 p.m.-11:50 p.m.

1 stop26h 41m

C$ 605

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Thu 12/11

12:20 p.m.-8:29 p.m.

1 stop8h 09m

Louisville Intl

Thu 19/11

9:09 p.m.-7:37 p.m.

2 stops22h 28m

C$ 612

Quickest round-trip

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sat 9/1

8:35 a.m.-1:26 p.m.

1 stop4h 51m

Louisville Intl

Tue 12/1

8:45 a.m.-1:43 p.m.

1 stop4h 58m

C$ 680

TorontoLexington

YYZ Toronto Pearson Intl - LEX Lexington Blue Grass

YYZLEX

Toronto Pearson Intl

Sat 12/12

3:35 p.m.-8:25 p.m.

1 stop4h 50m

Lexington Blue Grass

Tue 15/12

10:50 a.m.-4:47 p.m.

1 stop5h 57m

C$ 699

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Fri 6/11

9:44 a.m.-11:30 p.m.

1 stop13h 46m

Louisville Intl

Sun 8/11

9:02 a.m.-2:03 p.m.

1 stop5h 01m

C$ 726

TorontoLexington

YYZ Toronto Pearson Intl - LEX Lexington Blue Grass

YYZLEX

Toronto Pearson Intl

Sat 17/10

8:00 p.m.-9:25 a.m.

2 stops13h 25m

Lexington Blue Grass

Sat 24/10

5:59 p.m.-11:59 p.m.

1 stop6h 00m

C$ 860

TorontoLexington

YYZ Toronto Pearson Intl - LEX Lexington Blue Grass

YYZLEX

Toronto Pearson Intl

Sat 14/11

9:45 a.m.-5:09 p.m.

1 stop7h 24m

Lexington Blue Grass

Sat 21/11

6:00 p.m.-7:20 p.m.

2 stops25h 20m

C$ 922

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Fri 13/11

7:00 a.m.-5:25 p.m.

2 stops10h 25m

Louisville Intl

Sat 5/12

10:13 a.m.-5:58 p.m.

2 stops7h 45m

C$ 984

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Fri 6/11

1:34 p.m.-11:59 p.m.

1 stop10h 25m

Louisville Intl

Sun 8/11

6:00 a.m.-7:20 p.m.

2 stops13h 20m

C$ 1,099

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario to Kentucky

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Kentucky?

In general, September is the cheapest month to fly from Region of Ontario to Kentucky. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 672. If you aren’t able to travel during the month of September, then book flights to Kentucky from Region of Ontario during April instead. Flights to Kentucky in April, while not as cheap as those in September, still average around C$ 692.

Cheap Region of Ontario to Kentucky flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Kentucky

Best price found	C$ 300
Fastest flight time	1h 38m
Direct flights	Sun
Airports in Kentucky	43 airports

The best one-way flight to Kentucky from Region of Ontario in the past 72 hours is C$ 300. The best round-trip flight deal from Region of Ontario to Kentucky found on momondo in the last 72 hours is C$ 574.

The fastest flight from Region of Ontario to Kentucky takes 1h 38m

Direct flights go from Region of Ontario to Kentucky on Sunday. There are no airlines offering direct flights.

There are 43 airports in Kentucky. From Region of Ontario there are direct flights to Louisville Intl (SDF).

Search flight deals

Frequently asked questions about flying from Ontario to Kentucky

When did momondo last update prices for flights from Ontario to Kentucky?
Prices for flights from Ontario to Kentucky are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario to Kentucky?
There are 3 operators available for flights from Ontario to Kentucky as of October 2026.
How old do you have to be to fly from Ontario to Kentucky?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Kentucky.
What documentation or ID do you need to fly to Kentucky?
The necessary travel and health documents for your Kentucky trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to Kentucky

Compare and see reviews for airlines that fly from Region of Ontario to Kentucky with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 438	Free Cancellation	Rating 7.4 10,280 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 507	Free Cancellation	Rating 7.2 3,450 reviews	Search WestJet flights
American Airlines	PriceFrom C$ 555	Free Cancellation	Rating 7.0 12,124 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Kentucky?

Finding the right flight to Kentucky from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kentucky quick and easy, saving you time and money.

Can I find flights from Ontario to Kentucky with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Kentucky from Ontario with this policy.

How can momondo help me find flights from Ontario to Kentucky?

Once you have performed a search for Ontario to Kentucky flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Kentucky right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Kentucky from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.