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

5 flights are operational weekly from Ontario to Kentucky as of March 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.

What airlines fly to Kentucky?

American Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Kentucky from Ontario according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Kentucky. Keep in mind that there are 5 different airlines that fly to Kentucky on a routine basis, so you have a few additional options to choose from.

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

Delta, American Airlines, and Alaska Airlines are the most popular carriers operating from Ontario to Kentucky

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

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

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

As of March 2026, there are 6 operators available to choose from for flights from Ontario Airport to Kentucky.

How old do you have to be to fly from Ontario Airport 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 Airport to Kentucky.

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

The travel and health documents required for your trip to Kentucky can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kentucky. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$79 Cheap Flights from Ontario to Kentucky in 2026

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Find the cheapest flights from Ontario to Kentucky

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 12:00 pm

ONT

CVG

27h 00m

1 stop

12:55 pm - 10:05 am

CVG

ONT

24h 10m

1 stop

$160Frontier

Tue, May 12 - Tue, May 19

6:00 am - 12:00 pm

ONT

CVG

27h 00m

1 stop

12:55 pm - 11:49 pm

CVG

ONT

13h 54m

1 stop

$166Frontier

Thu, May 7 - Sat, May 9

11:55 pm - 9:50 am

ONT

SDF

6h 55m

1 stop

8:25 am - 11:55 am

SDF

ONT

6h 30m

1 stop

$273Southwest

Tue, May 12 - Tue, May 19

1:20 pm - 9:38 pm

ONT

BNA

6h 18m

1 stop

7:20 pm - 11:44 pm

BNA

ONT

6h 24m

1 stop

$274Delta

Wed, Apr 8 - Wed, Apr 15

9:45 pm - 9:50 am

ONT

SDF

9h 05m

2 stops

8:25 am - 11:55 am

SDF

ONT

6h 30m

1 stop

$278Southwest

Tue, May 12 - Tue, May 19

12:19 pm - 12:23 am

ONT

SDF

9h 04m

2 stops

11:00 am - 6:24 pm

SDF

ONT

10h 24m

2 stops

$284American Airlines

Tue, May 12 - Tue, May 19

2:08 pm - 11:56 pm

ONT

TYS

6h 48m

1 stop

6:54 pm - 10:36 pm

TYS

ONT

6h 42m

1 stop

$293American Airlines

Wed, Apr 22 - Wed, Apr 29

10:00 pm - 9:31 am

ONT

TRI

8h 31m

1 stop

3:50 pm - 9:48 pm

TRI

ONT

8h 58m

1 stop

$369Delta

Fri, May 29 - Wed, Jun 3

7:00 am - 6:19 pm

ONT

PAH

9h 19m

1 stop

2:10 pm - 9:58 pm

PAH

ONT

9h 48m

1 stop

$639United Airlines

Sat, May 9 - Mon, May 18

6:30 am - 1:42 pm

ONT

PAH

29h 12m

1 stop

2:17 pm - 9:55 pm

PAH

ONT

9h 38m

1 stop

$654United Airlines

Wed, Jul 1 - Tue, Jul 7

Alaska Airlines flights from Ontario to Kentucky

Our best Alaska Airlines deals on Ontario to Kentucky flight tickets

Alaska Airlines

Apr 28

ONT10:39 amOntario

11h 20m

1 stop

BNA11:59 pmNashville Intl

May 2

BNA4:45 pmNashville Intl

9h 03m

1 stop

ONT11:48 pmOntario

$297

Alaska Airlines

Apr 25

ONT7:00 amOntario

8h 05m

1 stop

BNA5:05 pmNashville Intl

Apr 30

BNA4:45 pmNashville Intl

9h 03m

1 stop

ONT11:48 pmOntario

$343

Alaska Airlines

Apr 3

ONT7:00 amOntario

8h 41m

1 stop

BNA5:41 pmNashville Intl

Apr 7

BNA5:21 pmNashville Intl

18h 58m

1 stop

ONT10:19 amOntario

$403

United Airlines flights from Ontario to Kentucky

Our best United Airlines deals on Ontario to Kentucky flight tickets

United Airlines

Apr 4

ONT6:49 pmOntario

9h 39m

1 stop

BNA6:28 amNashville Intl

Apr 6

BNA4:35 pmNashville Intl

7h 15m

1 stop

ONT9:50 pmOntario

$297

United Airlines

Apr 4

ONT5:10 amOntario

11h 16m

2 stops

BNA6:26 pmNashville Intl

Apr 6

BNA4:35 pmNashville Intl

7h 15m

1 stop

ONT9:50 pmOntario

$302

United Airlines

Apr 16

ONT6:49 pmOntario

9h 39m

1 stop

BNA6:28 amNashville Intl

Apr 19

BNA6:10 amNashville Intl

8h 10m

1 stop

ONT12:20 pmOntario

$311

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 5/12

6:00 am-12:00 pm

1 stop27h 00m

Cincinnati Cinci./N. Kentucky

Tue 5/19

12:55 pm-10:05 am

1 stop24h 10m

$160

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Thu 5/7

6:00 am-12:00 pm

1 stop27h 00m

Cincinnati Cinci./N. Kentucky

Sat 5/9

12:55 pm-11:49 pm

1 stop13h 54m

$166

OntarioLouisville

ONT - SDF

ONTSDF

Ontario

Tue 5/12

11:55 pm-9:50 am

1 stop6h 55m

Louisville Intl

Tue 5/19

8:25 am-11:55 am

1 stop6h 30m

$273

Quickest round-trip

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Wed 4/8

1:20 pm-9:38 pm

1 stop6h 18m

Nashville Intl

Wed 4/15

7:20 pm-11:44 pm

1 stop6h 24m

$274

OntarioLouisville

ONT - SDF

ONTSDF

Ontario

Tue 5/12

9:45 pm-9:50 am

2 stops9h 05m

Louisville Intl

Tue 5/19

8:25 am-11:55 am

1 stop6h 30m

$278

OntarioLouisville

ONT - SDF

ONTSDF

Ontario

Tue 5/12

12:19 pm-12:23 am

2 stops9h 04m

Louisville Intl

Tue 5/19

11:00 am-6:24 pm

2 stops10h 24m

$284

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Wed 4/22

2:08 pm-11:56 pm

1 stop6h 48m

Knoxville McGhee Tyson

Wed 4/29

6:54 pm-10:36 pm

1 stop6h 42m

$293

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Fri 5/29

10:00 pm-9:31 am

1 stop8h 31m

Blountville Tri Cities TN/VA

Wed 6/3

3:50 pm-9:48 pm

1 stop8h 58m

$369

OntarioPaducah

ONT - PAH

ONTPAH

Ontario

Sat 5/9

7:00 am-6:19 pm

1 stop9h 19m

Paducah Barkley Regional

Mon 5/18

2:10 pm-9:58 pm

1 stop9h 48m

$639

OntarioPaducah

ONT - PAH

ONTPAH

Ontario

Wed 7/1

6:30 am-1:42 pm

1 stop29h 12m

Paducah Barkley Regional

Tue 7/7

2:17 pm-9:55 pm

1 stop9h 38m

$654

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 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 July, then August is your next best option. Flight prices from Ontario to Kentucky during August average around $400.

Can stopping save me money on Ontario to Kentucky flights?

You could potentially save up to 5% on your flight if you consider stops on a Ontario to Kentucky flight.

Cheap Ontario to Kentucky flight deals and tips

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

Fastest flight time	3h 45m
Direct flights	Every day
Airports in Kentucky	43 airports

The fastest flight from Ontario to Kentucky takes 3h 45m

Direct flights go from Ontario to Kentucky every day.

There are 43 airports in Kentucky. From Ontario there are direct flights to Nashville Intl (BNA).

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Kentucky?
Prices for flights from Ontario Airport to Kentucky were last updated today.
How many operators does momondo search for flights from Ontario Airport to Kentucky?
As of March 2026, there are 6 operators available to choose from for flights from Ontario Airport to Kentucky.
How old do you have to be to fly from Ontario Airport 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 Airport to Kentucky.
What documentation or ID do you need to fly to Kentucky?
The travel and health documents required for your trip to Kentucky can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kentucky. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Kentucky

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $238	Free Cancellation	Rating 7.9 8,320 reviews	Search Delta flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.1 11,492 reviews	Search American Airlines flights
United Airlines	PriceFrom $320	Free Cancellation	Rating 7.4 9,469 reviews	Search United Airlines flights
Southwest	PriceFrom $342	Free Cancellation	Rating 8.0 4,329 reviews	Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Kentucky for you.

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

Flights from Ontario to Kentucky with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Ontario to Kentucky flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.