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

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

As of September 2026, there are 13 flights per week flying from Region of Ontario to Kentucky. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

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

On average, it takes 5h 27m to fly from Region of Ontario to Kentucky if you fly out of Toronto (the most popular airport in Region of Ontario) and into Louisville (the most popular airport in Kentucky). If you’re flying out of Ottawa and into Louisville, then the flight time is around 6h 50m.

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

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

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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Kentucky 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 Kentucky. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$227 Cheap Flights from Ontario to Kentucky in 2026/27

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.

7:35 am - 8:29 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

12h 54m2 stops Fort Lauderdale Tampa

9:09 pm - 4:15 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

19h 06m1 stop Tampa

$401Multiple Airlines

Thu, Oct 29 - Sun, Nov 1

6:30 am - 8:29 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

13h 59m2 stops Fort Lauderdale Tampa

9:09 pm - 4:15 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

19h 06m1 stop Tampa

$404Multiple Airlines

Thu, Oct 15 - Thu, Oct 29

9:20 am - 6:18 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

8h 58m1 stop Fort Lauderdale

9:09 pm - 4:15 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

19h 06m1 stop Tampa

$434Multiple Airlines

Mon, Oct 26 - Sun, Nov 1

7:05 am - 6:03 pmYOW Ottawa-SDF Louisville Intl

10h 58m1 stop Fort Lauderdale

6:53 pm - 5:20 pmSDF Louisville Intl-YOW Ottawa

22h 27m1 stop Fort Lauderdale

$464Multiple Airlines

Mon, Nov 9 - Mon, Nov 16

9:35 am - 6:32 pmYYZ Toronto Pearson Intl-LEX Lexington Blue Grass

8h 57m1 stop Fort Lauderdale

12:16 pm - 11:55 pmLEX Lexington Blue Grass-YYZ Toronto Pearson Intl

11h 39m1 stop Fort Lauderdale

$467Multiple Airlines

Sun, Nov 1 - Sun, Feb 28

9:40 am - 1:53 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

4h 13m1 stop Detroit Metropolitan Wayne County

9:09 pm - 4:15 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

19h 06m1 stop Tampa

$473Multiple Airlines

Thu, Oct 29 - Thu, Oct 29

12:42 pm - 7:57 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

7h 15m1 stop Washington, D.C. Reagan-National

6:01 am - 4:34 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

10h 33m1 stop Washington, D.C. Reagan-National

$476American Airlines

Sat, Nov 7 - Sat, Nov 14

6:33 pm - 11:59 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 26m1 stop Atlanta Hartsfield-Jackson

9:09 pm - 4:15 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

19h 06m1 stop Tampa

$477Multiple Airlines

Wed, Oct 28 - Sun, Nov 1

6:30 am - 11:57 amYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 27m1 stop Minneapolis St Paul

6:53 pm - 5:10 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

22h 17m1 stop Fort Lauderdale

$483Multiple Airlines

Wed, Nov 4 - Mon, Nov 9

7:35 am - 8:23 pmYYZ Toronto Pearson Intl-LEX Lexington Blue Grass

12h 48m1 stop Fort Lauderdale

7:22 pm - 3:20 pmLEX Lexington Blue Grass-YYZ Toronto Pearson Intl

19h 58m1 stop Fort Lauderdale

$483Multiple Airlines

Thu, Oct 29 - Sun, Nov 1

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 8:31 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

13h 31m2 stops Orlando Raleigh-Durham

9:09 pm - 2:55 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

17h 46m1 stop Tampa

$502Multiple Airlines

Sat, Oct 3 - Thu, Oct 15

6:34 pm - 4:24 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

21h 50m2 stops Atlanta Hartsfield-Jackson Sarasota Bradenton Intl

9:09 pm - 2:55 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

17h 46m1 stop Tampa

$503Multiple Airlines

Fri, Oct 2 - Thu, Oct 15

6:34 pm - 4:24 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

21h 50m2 stops Atlanta Hartsfield-Jackson Sarasota Bradenton Intl

7:08 pm - 5:10 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

22h 02m1 stop Fort Lauderdale

$514Multiple Airlines

Fri, Oct 2 - Mon, Oct 26

6:34 pm - 4:24 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

21h 50m2 stops Atlanta Hartsfield-Jackson Sarasota Bradenton Intl

9:09 pm - 4:15 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

19h 06m1 stop Tampa

$531Multiple Airlines

Fri, Oct 2 - Sun, Oct 25

12:08 pm - 4:44 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

4h 36m1 stop Detroit Metropolitan Wayne County

9:09 pm - 2:55 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

17h 46m1 stop Tampa

$561Multiple Airlines

Sat, Oct 3 - Thu, Oct 15

1:00 pm - 7:11 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

6h 11m1 stop Chicago O'Hare Intl

11:13 am - 6:28 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

7h 15m1 stop Newark

$568United Airlines

Sat, Oct 3 - Sat, Oct 10

11:38 am - 5:10 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 32m1 stop Atlanta Hartsfield-Jackson

7:08 pm - 5:10 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

22h 02m1 stop Fort Lauderdale

$571Multiple Airlines

Tue, Sep 29 - Mon, Oct 26

4:05 pm - 9:16 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 11m1 stop Detroit Metropolitan Wayne County

9:09 pm - 2:55 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

17h 46m1 stop Tampa

$578Multiple Airlines

Thu, Oct 1 - Thu, Oct 15

1:00 pm - 7:11 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

6h 11m1 stop Chicago O'Hare Intl

6:00 am - 10:04 amSDF Louisville Intl-YYZ Toronto Pearson Intl

4h 04m1 stop Washington, D.C. Dulles Intl

$583United Airlines

Sat, Oct 3 - Sun, Oct 11

1:00 pm - 7:11 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

6h 11m1 stop Chicago O'Hare Intl

5:15 am - 5:56 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

12h 41m1 stop Chicago O'Hare Intl

$585United Airlines

Tue, Sep 29 - Wed, Oct 21

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from Region of Ontario to Kentucky

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

American Airlines

Nov 7

YYZ12:42 pmToronto Pearson Intl

7h 15m

1 stop

SDF7:57 pmLouisville Intl

Nov 14

SDF6:01 amLouisville Intl

10h 33m

1 stop

YYZ4:34 pmToronto Pearson Intl

$476

American Airlines

Oct 1

YYZ6:00 amToronto Pearson Intl

6h 01m

1 stop

SDF12:01 pmLouisville Intl

Oct 12

SDF6:29 amLouisville Intl

4h 30m

1 stop

YYZ10:59 amToronto Pearson Intl

$627

American Airlines

Oct 28

YYZ2:24 pmToronto Pearson Intl

9h 45m

2 stops

LEX12:09 amLexington Blue Grass

Oct 31

LEX1:08 pmLexington Blue Grass

5h 22m

1 stop

YYZ6:30 pmToronto Pearson Intl

$732

United Airlines flights from Region of Ontario to Kentucky

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

United Airlines

Jan 9

YYZ12:45 pmToronto Pearson Intl

6h 14m

1 stop

SDF6:59 pmLouisville Intl

Jan 12

SDF1:00 pmLouisville Intl

4h 59m

1 stop

YYZ5:59 pmToronto Pearson Intl

$492

United Airlines

Jan 9

YYZ12:45 pmToronto Pearson Intl

6h 14m

1 stop

SDF6:59 pmLouisville Intl

Jan 12

SDF1:00 pmLouisville Intl

4h 59m

1 stop

YYZ5:59 pmToronto Pearson Intl

$494

United Airlines

Nov 25

YYZ6:45 amToronto Pearson Intl

6h 50m

1 stop

SDF1:35 pmLouisville Intl

Nov 28

SDF7:00 amLouisville Intl

7h 03m

1 stop

YYZ2:03 pmToronto Pearson Intl

$495

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Thu 10/29

7:35 am-8:29 pm

2 stops12h 54m

Louisville Intl

Sun 11/1

9:09 pm-4:15 pm

1 stop19h 06m

$401

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Thu 10/15

6:30 am-8:29 pm

2 stops13h 59m

Louisville Intl

Thu 10/29

9:09 pm-4:15 pm

1 stop19h 06m

$404

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Mon 10/26

9:20 am-6:18 pm

1 stop8h 58m

Louisville Intl

Sun 11/1

9:09 pm-4:15 pm

1 stop19h 06m

$434

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Mon 11/9

7:05 am-6:03 pm

1 stop10h 58m

Louisville Intl

Mon 11/16

6:53 pm-5:20 pm

1 stop22h 27m

$464

TorontoLexington

YYZ Toronto Pearson Intl - LEX Lexington Blue Grass

YYZLEX

Toronto Pearson Intl

Sun 11/1

9:35 am-6:32 pm

1 stop8h 57m

Lexington Blue Grass

Sun 2/28

12:16 pm-11:55 pm

1 stop11h 39m

$467

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Thu 10/29

9:40 am-1:53 pm

1 stop4h 13m

Louisville Intl

Thu 10/29

9:09 pm-4:15 pm

1 stop19h 06m

$473

Quickest round-trip

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sat 11/7

12:42 pm-7:57 pm

1 stop7h 15m

Louisville Intl

Sat 11/14

6:01 am-4:34 pm

1 stop10h 33m

$476

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Wed 10/28

6:33 pm-11:59 pm

1 stop5h 26m

Louisville Intl

Sun 11/1

9:09 pm-4:15 pm

1 stop19h 06m

$477

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Wed 11/4

6:30 am-11:57 am

1 stop5h 27m

Louisville Intl

Mon 11/9

6:53 pm-5:10 pm

1 stop22h 17m

$483

TorontoLexington

YYZ Toronto Pearson Intl - LEX Lexington Blue Grass

YYZLEX

Toronto Pearson Intl

Thu 10/29

7:35 am-8:23 pm

1 stop12h 48m

Lexington Blue Grass

Sun 11/1

7:22 pm-3:20 pm

1 stop19h 58m

$483

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?

If you’re not able to fly to Kentucky in September, then April is your next best option. Flight prices from Region of Ontario to Kentucky during April average around $486.

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	$227
Fastest flight time	1h 38m
Direct flights	None

The best one-way flight to Kentucky from Region of Ontario in the past 72 hours is $227. The best round-trip flight deal from Region of Ontario to Kentucky found on momondo in the last 72 hours is $401.

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

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

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 were last updated today.
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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Kentucky 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 Kentucky. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Kentucky. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Kentucky from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Kentucky from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.