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

Average flight duration from Kentucky to Region of Ontario depends on which airport you fly into and out of. Flying from Louisville to Toronto Pearson Intl Airport is 4h 09m on average, while flying from Lexington to Toronto Pearson Intl Airport is 4h 36m on average. Toronto Pearson Intl Airport is the most popular airport in Region of Ontario.

What airlines fly to Region of Ontario?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Region of Ontario from Kentucky according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 3 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

United Airlines, American Airlines, and Air Canada are the most popular carriers operating from Kentucky to Ontario

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

Prices for flights from Kentucky to Ontario were last updated today.

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

The number of operators available for flights from Kentucky to Ontario is 3 as of October 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kentucky to Ontario.

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

The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$203 Cheap Flights from Kentucky to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:51 pm - 4:15 pmLEX Lexington Blue Grass-YYZ Toronto Pearson Intl

19h 24m1 stop Tampa St. Petersburg

7:35 am - 6:32 pmYYZ Toronto Pearson Intl-LEX Lexington Blue Grass

10h 57m1 stop Fort Lauderdale

$358Multiple Airlines

Thu, Oct 29 - Sun, Nov 1

9:13 pm - 3:20 pmLEX Lexington Blue Grass-YYZ Toronto Pearson Intl

18h 07m1 stop Fort Lauderdale

7:35 am - 6:32 pmYYZ Toronto Pearson Intl-LEX Lexington Blue Grass

10h 57m1 stop Fort Lauderdale

$366Multiple Airlines

Thu, Oct 29 - Sun, Nov 1

9:09 pm - 11:50 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

26h 41m1 stop Tampa

12:20 pm - 8:29 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

8h 09m1 stop Tampa

$373Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

6:30 am - 4:34 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

10h 04m1 stop Washington, D.C. Reagan-National

12:44 pm - 9:27 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

8h 43m1 stop Washington, D.C. Reagan-National

$468American Airlines

Wed, Nov 11 - Wed, Nov 18

6:30 am - 4:34 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

10h 04m1 stop Washington, D.C. Reagan-National

12:44 pm - 9:27 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

8h 43m1 stop Washington, D.C. Reagan-National

$468American Airlines

Tue, Nov 10 - Tue, Nov 17

6:00 am - 4:47 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

10h 47m1 stop Washington, D.C. Reagan-National

3:57 pm - 9:46 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 49m1 stop Charlotte Douglas

$513American Airlines

Tue, Oct 27 - Tue, Nov 3

6:00 am - 11:09 amSDF Louisville Intl-YYZ Toronto Pearson Intl

5h 09m1 stop Atlanta Hartsfield-Jackson

10:14 am - 5:00 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

6h 46m1 stop New York LaGuardia

$569Delta

Tue, Nov 10 - Wed, Nov 18

5:33 pm - 10:56 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

5h 23m1 stop Detroit Metropolitan Wayne County

6:15 am - 11:56 amYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 41m1 stop Atlanta Hartsfield-Jackson

$569Delta

Sat, Nov 7 - Tue, Nov 17

6:18 pm - 9:59 pmSDF Louisville Intl-YOW Ottawa

27h 41m1 stop Newark

6:00 am - 7:30 pmYOW Ottawa-SDF Louisville Intl

13h 30m2 stops Newark Washington, D.C. Dulles Intl

$795United Airlines

Thu, Oct 29 - Wed, Nov 18

1:45 pm - 9:56 pmSDF Louisville Intl-YOW Ottawa

8h 11m1 stop Newark

6:00 am - 1:03 pmYOW Ottawa-SDF Louisville Intl

7h 03m1 stop Newark

$797United Airlines

Thu, Oct 29 - Wed, Nov 18

Cheap last minute flights

Enter your travel dates to find the best prices.

7:21 pm - 4:55 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

21h 34m1 stop Fort Lauderdale

6:00 am - 9:59 amYYZ Toronto Pearson Intl-SDF Louisville Intl

3h 59m1 stop Detroit Metropolitan Wayne County

$817Multiple Airlines

Mon, Oct 5 - Sat, Oct 10

7:21 pm - 4:55 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

21h 34m1 stop Fort Lauderdale

6:00 am - 9:59 amYYZ Toronto Pearson Intl-SDF Louisville Intl

3h 59m1 stop Detroit Metropolitan Wayne County

$817Multiple Airlines

Mon, Oct 5 - Wed, Oct 7

5:38 pm - 10:56 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

5h 18m1 stop Detroit Metropolitan Wayne County

1:34 pm - 9:38 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

8h 04m1 stop Atlanta Hartsfield-Jackson

$824Delta

Tue, Oct 6 - Sat, Oct 10

7:05 am - 12:19 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

5h 14m1 stop Atlanta Hartsfield-Jackson

2:30 pm - 8:46 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

6h 16m1 stop New York LaGuardia

$824Delta

Tue, Oct 6 - Wed, Oct 7

7:55 am - 11:18 amSDF Louisville Intl-YYZ Toronto Pearson Intl

3h 23m1 stop Detroit Metropolitan Wayne County

10:04 am - 8:46 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

10h 42m1 stop New York LaGuardia

$840WestJet

Sat, Oct 3 - Wed, Oct 7

8:02 pm - 5:18 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

21h 16m2 stops Sarasota Bradenton Intl Atlanta Hartsfield-Jackson

6:00 am - 9:59 amYYZ Toronto Pearson Intl-SDF Louisville Intl

3h 59m1 stop Detroit Metropolitan Wayne County

$840Multiple Airlines

Sun, Oct 4 - Tue, Oct 6

12:38 pm - 5:00 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

4h 22m1 stop Charlotte Douglas

4:15 pm - 11:12 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

6h 57m1 stop Philadelphia

$847American Airlines

Sat, Oct 3 - Mon, Oct 5

7:55 am - 11:19 amSDF Louisville Intl-YYZ Toronto Pearson Intl

3h 24m1 stop Detroit Metropolitan Wayne County

6:15 am - 12:54 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

6h 39m1 stop Atlanta Hartsfield-Jackson

$853Delta

Tue, Oct 6 - Thu, Oct 8

7:05 am - 12:19 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

5h 14m1 stop Atlanta Hartsfield-Jackson

12:49 pm - 10:51 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

10h 02m1 stop Minneapolis St Paul

$853Delta

Tue, Oct 6 - Fri, Oct 9

4:52 pm - 10:33 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

5h 41m1 stop Charlotte Douglas

5:51 pm - 11:17 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 26m1 stop Charlotte Douglas

$922American Airlines

Sun, Oct 4 - Tue, Oct 6

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American Airlines flights from Kentucky to Region of Ontario

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

American Airlines

Nov 11

SDF6:30 amLouisville Intl

10h 04m

1 stop

YYZ4:34 pmToronto Pearson Intl

Nov 18

YYZ12:44 pmToronto Pearson Intl

8h 43m

1 stop

SDF9:27 pmLouisville Intl

$468

American Airlines

Oct 27

SDF6:00 amLouisville Intl

10h 47m

1 stop

YYZ4:47 pmToronto Pearson Intl

Nov 3

YYZ3:57 pmToronto Pearson Intl

5h 49m

1 stop

SDF9:46 pmLouisville Intl

$513

American Airlines

Oct 24

SDF6:00 amLouisville Intl

10h 47m

1 stop

YYZ4:47 pmToronto Pearson Intl

Oct 31

YYZ11:09 amToronto Pearson Intl

6h 37m

1 stop

SDF5:46 pmLouisville Intl

$554

United Airlines flights from Kentucky to Region of Ontario

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

United Airlines

Nov 10

LEX9:00 amLexington Blue Grass

7h 47m

1 stop

YYZ4:47 pmToronto Pearson Intl

Nov 17

YYZ6:45 amToronto Pearson Intl

6h 28m

1 stop

LEX1:13 pmLexington Blue Grass

$661

United Airlines

Oct 28

LEX5:30 amLexington Blue Grass

11h 17m

1 stop

YYZ4:47 pmToronto Pearson Intl

Oct 30

YYZ3:35 pmToronto Pearson Intl

8h 19m

1 stop

LEX11:54 pmLexington Blue Grass

$667

United Airlines

Jan 6

LEX5:00 amLexington Blue Grass

4h 47m

1 stop

YYZ9:47 amToronto Pearson Intl

Jan 10

YYZ6:45 amToronto Pearson Intl

6h 25m

1 stop

LEX1:10 pmLexington Blue Grass

$691

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LexingtonToronto

LEX Lexington Blue Grass - YYZ Toronto Pearson Intl

LEXYYZ

Lexington Blue Grass

Thu 10/29

8:51 pm-4:15 pm

1 stop19h 24m

Toronto Pearson Intl

Sun 11/1

7:35 am-6:32 pm

1 stop10h 57m

$358

LexingtonToronto

LEX Lexington Blue Grass - YYZ Toronto Pearson Intl

LEXYYZ

Lexington Blue Grass

Thu 10/29

9:13 pm-3:20 pm

1 stop18h 07m

Toronto Pearson Intl

Sun 11/1

7:35 am-6:32 pm

1 stop10h 57m

$366

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Thu 11/12

9:09 pm-11:50 pm

1 stop26h 41m

Toronto Pearson Intl

Thu 11/19

12:20 pm-8:29 pm

1 stop8h 09m

$373

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Wed 11/11

6:30 am-4:34 pm

1 stop10h 04m

Toronto Pearson Intl

Wed 11/18

12:44 pm-9:27 pm

1 stop8h 43m

$468

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Tue 11/10

6:30 am-4:34 pm

1 stop10h 04m

Toronto Pearson Intl

Tue 11/17

12:44 pm-9:27 pm

1 stop8h 43m

$468

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Tue 10/27

6:00 am-4:47 pm

1 stop10h 47m

Toronto Pearson Intl

Tue 11/3

3:57 pm-9:46 pm

1 stop5h 49m

$513

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Tue 11/10

6:00 am-11:09 am

1 stop5h 09m

Toronto Pearson Intl

Wed 11/18

10:14 am-5:00 pm

1 stop6h 46m

$569

Quickest round-trip

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Sat 11/7

5:33 pm-10:56 pm

1 stop5h 23m

Toronto Pearson Intl

Tue 11/17

6:15 am-11:56 am

1 stop5h 41m

$569

LouisvilleOttawa

SDF Louisville Intl - YOW Ottawa

SDFYOW

Louisville Intl

Thu 10/29

6:18 pm-9:59 pm

1 stop27h 41m

Ottawa

Wed 11/18

6:00 am-7:30 pm

2 stops13h 30m

$795

LouisvilleOttawa

SDF Louisville Intl - YOW Ottawa

SDFYOW

Louisville Intl

Thu 10/29

1:45 pm-9:56 pm

1 stop8h 11m

Ottawa

Wed 11/18

6:00 am-1:03 pm

1 stop7h 03m

$797

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 Kentucky to Region of Ontario

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 Region of Ontario?

The month of January is, on average, the cheapest month to fly to Region of Ontario from Kentucky, with most prices found around $516. If you aren’t able to travel during the month of January, then book flights to Region of Ontario from Kentucky during May instead. Flights to Region of Ontario in May, while not as cheap as those in January, still average around $561.

Can stopping save me money on Kentucky to Region of Ontario flights?

You could potentially save up to 2% on your flight if you consider stops on a Kentucky to Region of Ontario flight.

Cheap Kentucky to Region of Ontario flight deals and tips

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

Best Price Found	$203
Fastest flight time	1h 30m
Direct flights	None

The best one-way flight to Region of Ontario from Kentucky in the past 72 hours is $203. The best round-trip flight deal from Kentucky to Region of Ontario found on momondo in the last 72 hours is $358.

The fastest flight from Kentucky to Region of Ontario takes 1h 30m

There are no direct flights from Kentucky to Region of Ontario. There are no popular flight routes from Kentucky to Region of Ontario.

Search flight deals

Frequently asked questions about flying from Kentucky to Ontario

When did momondo last update prices for flights from Kentucky to Ontario?
Prices for flights from Kentucky to Ontario were last updated today.
How many operators does momondo search for flights from Kentucky to Ontario?
The number of operators available for flights from Kentucky to Ontario is 3 as of October 2026.
How old do you have to be to fly from Kentucky to Ontario?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kentucky to Ontario.
What documentation or ID do you need to fly to Ontario?
The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Kentucky to Region of Ontario

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $240	Free Cancellation	Rating 7.8 8,608 reviews	Search Delta flights
United Airlines	PriceFrom $341	Free Cancellation	Rating 7.4 10,261 reviews	Search United Airlines flights
American Airlines	PriceFrom $511	Free Cancellation	Rating 7.0 12,097 reviews	Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kentucky to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Kentucky to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Kentucky and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Kentucky to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.