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$60+ Cheap flights from Ontario (ONT) to Kentucky

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SDF
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Ontario to Kentucky

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kentucky (USKY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Ontario to Kentucky

Cheapest flights from Ontario to Kentucky
Explore the most affordable flight options available from Ontario to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This CheapOair deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/54:08 pmONT - CVG
1 stop18h 15mFrontier
Sun 12/82:26 pmCVG - ONT
1 stop19h 48mFrontier
Deal found 11/19$158
This Booking.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2512:59 amONT - BNA
1 stop8h 34mFrontier
Wed 1/15:12 pmBNA - ONT
1 stop8h 47mFrontier
Deal found 11/18$248
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/105:50 amONT - CVG
1 stop9h 26mDelta
Tue 1/77:00 amCVG - ONT
1 stop11h 25mDelta
Deal found 11/19$283
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1811:08 amONT - BNA
1 stop11h 17mDelta
Wed 12/257:05 amBNA - ONT
1 stop7h 03mDelta
Deal found 11/19$286
This Alaska Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/116:00 amONT - BNA
1 stop15h 59mAlaska Airlines
Sun 12/156:29 pmBNA - ONT
1 stop18h 07mAlaska Airlines
Deal found 11/19$305
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:59 pmONT - TYS
1 stop8h 15mAmerican Airlines
Mon 1/62:38 pmTYS - ONT
1 stop8h 59mAmerican Airlines
Deal found 11/19$313
This Frontier deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/295:45 amONT - TYS
1 stop9h 30mFrontier
Thu 12/54:19 pmTYS - ONT
1 stop10h 25mFrontier
Deal found 11/18$314
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/166:10 amONT - BNA
1 stop7h 03mAmerican Airlines
Wed 12/186:33 amBNA - ONT
1 stop9h 20mAmerican Airlines
Deal found 11/19$317
This Delta deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/410:00 pmONT - TYS
1 stop8h 29mDelta
Tue 12/106:57 pmTYS - ONT
1 stop7h 05mDelta
Deal found 11/18$323
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/510:00 pmONT - LEX
1 stop8h 38mDelta
Sat 12/75:59 pmLEX - ONT
1 stop8h 42mDelta
Deal found 11/19$338
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:59 pmONT - LEX
1 stop7h 47mAmerican Airlines
Sat 12/76:25 amLEX - ONT
2 stops12h 00mAmerican Airlines
Deal found 11/19$343
This Delta deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2611:53 amONT - SDF
1 stop6h 28mDelta
Thu 11/2812:56 pmSDF - ONT
1 stop9h 46mDelta
Deal found 11/18$356

Find flights from Ontario to Kentucky within your budget

Customize your flight search to find flights from Ontario to Kentucky that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Thu 1/30

8:11 pm-1:44 pm

1 stop15h 33m

Nashville Intl

Sun 2/2

5:43 pm-9:40 am

1 stop17h 57m

$138

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Thu 2/6

7:56 am-11:50 pm

1 stop12h 54m

Cincinnati Cinci./N. Kentucky

Sun 2/9

6:00 am-10:27 am

1 stop7h 27m

$148

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Fri 1/24

7:01 pm-4:20 pm

1 stop19h 19m

Nashville Intl

Tue 1/28

6:50 pm-10:34 am

1 stop17h 44m

$218

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Wed 1/8

12:48 pm-9:41 pm

1 stop6h 53m

Nashville Intl

Wed 1/15

2:34 pm-10:16 pm

2 stops9h 42m

$223

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Wed 1/8

6:00 am-5:29 pm

1 stop8h 29m

Cincinnati Cinci./N. Kentucky

Thu 1/16

6:00 am-10:27 am

1 stop7h 27m

$230

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Wed 1/8

6:00 am-5:29 pm

1 stop8h 29m

Cincinnati Cinci./N. Kentucky

Mon 1/13

6:29 pm-10:49 am

1 stop19h 20m

$282

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 12/10

5:50 am-6:16 pm

1 stop9h 26m

Cincinnati Cinci./N. Kentucky

Tue 1/7

7:00 am-3:25 pm

1 stop11h 25m

$283

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Wed 12/18

11:08 am-12:25 am

1 stop11h 17m

Nashville Intl

Wed 12/25

7:05 am-12:08 pm

1 stop7h 03m

$286

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Mon 1/6

2:50 pm-12:20 am

1 stop6h 30m

Knoxville McGhee Tyson

Tue 1/14

5:23 am-9:56 am

1 stop7h 33m

$288

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Thu 1/9

7:00 am-9:43 pm

2 stops11h 43m

Knoxville McGhee Tyson

Sun 1/12

5:45 am-12:26 pm

2 stops9h 41m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 58 results
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Kentucky

Get recent, data-driven insights about flights from Ontario to Kentucky including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Kentucky (average of $298). Flying from Ontario to Kentucky in April is currently the most expensive (average of $370). 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 ONT to KY?

Find hourly flight availability from Ontario to Kentucky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Kentucky as you normally would.

Rainfall in Kentucky by month

Plan your trip to Kentucky by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kentucky ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Kentucky when rainfall is around 3.1 in.

Temperature in Kentucky by month

Plan your trip to Kentucky by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kentucky, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kentucky. Reviews last updated November 20, 2024.
To help decide which airline to fly from Ontario to Kentucky, see what other customers have to say about Southwest, United Airlines and Frontier. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to Kentucky. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Kentucky?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Kentucky. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • What are the cheapest airlines to fly from Ontario to Kentucky one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $60. American Airlines flights start at $109 while deals on Alaska Airlines start at $119 one-way.

  • What are the most popular routes from Ontario to Kentucky?

    The most popular flight routes from Ontario to Kentucky are Ontario - Nashville Intl, Ontario - Cincinnati Cinci./N. Kentucky and Ontario - Louisville Intl.

  • 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 Ontario to Kentucky?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Kentucky (average of $298). Flying from Ontario to Kentucky in April is currently the most expensive (average of $370). 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

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Alternative routes for Ontario to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ontario to Kentucky

Discover the top 4 airlines that operate flights from Ontario to Kentucky. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$277Average$463FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$277Average$483FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$354Average$485FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$367Average$486FlexibilityNo cancel feeOn-time63%
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