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$59+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SDF
Dec 26 — Jan 21
Thu 12/26
Thu 1/2
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 December 21, 2024.

Round-trip from

$146
(Cheapflightsfares)

One-way from

$59
(Mytrip)
From Ontario to Kentucky
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One-way flight from Ontario to Kentucky
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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 December 21, 2024.

This Gotogate deal was found by Cheapflights users on 12/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3112:59 amONT - BNA
1 stop9h 31mFrontier
Sat 1/48:56 pmBNA - ONT
1 stop29h 03mFrontier
Deal found 12/21$328
This Frontier deal was found by Cheapflights users on 12/21. 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.
Sun 12/2210:31 pmONT - CVG
1 stop11h 13mFrontier
Thu 1/29:30 pmCVG - ONT
1 stop12h 39mFrontier
Deal found 12/21$384
This Delta deal was found by Cheapflights users on 12/21. 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 12/3112:55 pmONT - TYS
1 stop8h 00mDelta
Mon 1/65:00 pmTYS - ONT
1 stop8h 52mDelta
Deal found 12/21$413
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/3112:36 pmONT - BNA
1 stop7h 01mAmerican Airlines
Thu 1/96:00 amBNA - ONT
1 stop8h 06mAmerican Airlines
Deal found 12/21$485
This Southwest deal was found by Cheapflights users on 12/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:45 amONT - BNA
1 stop5h 55mSouthwest
Thu 1/99:50 amBNA - ONT
1 stop7h 50mSouthwest
Deal found 12/20$506
This Delta deal was found by Cheapflights users on 12/21. 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 12/316:52 amONT - BNA
2 stops12h 33mDelta
Thu 1/911:24 amBNA - ONT
2 stops14h 29mDelta
Deal found 12/21$541
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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.
Tue 12/246:00 amONT - BNA
1 stop9h 19mAlaska Airlines
Mon 1/67:00 amBNA - ONT
1 stop10h 11mAlaska Airlines
Deal found 12/21$551
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:50 pmONT - BNA
1 stop8h 38mUnited Airlines
Mon 1/202:57 pmBNA - ONT
1 stop9h 00mUnited Airlines
Deal found 12/20$596
This Delta deal was found by Cheapflights users on 12/20. 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 12/256:52 amONT - LEX
1 stop7h 53mDelta
Wed 1/16:00 amLEX - ONT
1 stop7h 46mDelta
Deal found 12/20$608
This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3112:59 amONT - BNA
1 stop9h 31mMultiple Airlines
Sat 1/47:59 pmBNA - ONT
2 stops18h 34mMultiple Airlines
Deal found 12/21$662
This Southwest deal was found by Cheapflights users on 12/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/299:20 amONT - CVG
2 stops10h 25mSouthwest
Sun 1/56:40 pmCVG - ONT
1 stop8h 30mSouthwest
Deal found 12/21$686
This Southwest deal was found by Cheapflights users on 12/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:45 amONT - SDF
1 stop5h 50mSouthwest
Sat 1/118:00 amSDF - ONT
2 stops12h 10mSouthwest
Deal found 12/21$701

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 2,558,603 searches. Data last updated December 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Thu 1/9

2:37 pm-11:50 pm

1 stop6h 13m

Cincinnati Cinci./N. Kentucky

Mon 1/13

2:16 pm-5:54 pm

1 stop6h 38m

$146

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Thu 2/27

12:59 am-1:23 pm

1 stop10h 24m

Nashville Intl

Thu 3/6

12:18 pm-12:09 am

1 stop13h 51m

$228

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Thu 2/20

11:57 am-11:59 pm

1 stop10h 02m

Nashville Intl

Mon 2/24

6:01 pm-11:59 pm

1 stop7h 58m

$239

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Tue 1/14

3:04 pm-10:56 pm

1 stop5h 52m

Nashville Intl

Wed 1/22

9:16 am-3:29 pm

2 stops8h 13m

$242

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Thu 1/30

11:33 am-11:59 pm

1 stop10h 26m

Nashville Intl

Sun 2/2

6:50 pm-10:34 am

1 stop17h 44m

$256

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Sun 1/19

6:00 am-5:29 pm

1 stop8h 29m

Cincinnati Cinci./N. Kentucky

Sun 1/26

2:16 pm-7:59 pm

1 stop8h 43m

$258

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Thu 2/6

1:21 pm-9:31 pm

1 stop6h 10m

Nashville Intl

Tue 2/11

7:20 am-12:24 pm

1 stop7h 04m

$288

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Fri 1/17

3:04 pm-12:12 am

1 stop6h 08m

Knoxville McGhee Tyson

Fri 1/24

6:37 pm-10:45 pm

1 stop7h 08m

$313

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Wed 3/5

12:59 am-3:23 pm

1 stop11h 24m

Knoxville McGhee Tyson

Sun 3/9

4:43 pm-12:09 am

1 stop10h 26m

$321

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 1/28

6:00 am-6:11 pm

2 stops9h 11m

Cincinnati Cinci./N. Kentucky

Sat 2/8

12:10 pm-10:52 pm

2 stops13h 42m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 51 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 $299). Flying from Ontario to Kentucky in April is currently the most expensive (average of $369). 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 December 21, 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 December 21, 2024.
To help decide which airline to fly from Ontario to Kentucky, see what other customers have to say about Alaska Airlines, Southwest and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,814 reviews

Food

7.2

Crew

8.7

Entertainment

7.7

Boarding

8.2

Overall

8.1

Comfort

8.1

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
4,814 reviews
Southwest
8.1
Very good
4,814 reviews

Food

7.2

Crew

8.7

Entertainment

7.7

Boarding

8.2

Overall

8.1

Comfort

8.1

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
9,537 reviews
Southwest
8.1
Very good
4,814 reviews

Food

7.2

Crew

8.7

Entertainment

7.7

Boarding

8.2

Overall

8.1

Comfort

8.1

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
8,597 reviews
Southwest
8.1
Very good
4,814 reviews

Food

7.2

Crew

8.7

Entertainment

7.7

Boarding

8.2

Overall

8.1

Comfort

8.1

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
9,039 reviews
Southwest
8.1
Very good
4,814 reviews

Food

7.2

Crew

8.7

Entertainment

7.7

Boarding

8.2

Overall

8.1

Comfort

8.1

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
4,814 reviews

Food

7.2

Crew

8.7

Entertainment

7.7

Boarding

8.2

Overall

8.1

Comfort

8.1

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 $59. Alaska Airlines flights start at $128 while deals on Delta start at $144 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 $299). Flying from Ontario to Kentucky in April is currently the most expensive (average of $369). 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 2,558,603 searches. Data last updated December 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$277Average$512FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$277Average$490FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$354Average$493FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$367Average$496FlexibilityNo cancel feeOn-time63%
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