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$53+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SDF
Oct 28 — Nov 41
Mon 10/28
Mon 11/4
1 adult, Economy
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ONT - SDF
Oct 28 - Nov 4

Find cheap flights from Ontario to Kentucky with Cheapflights

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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 October 23, 2024.

This Frontier deal was found by Cheapflights users on 10/21. 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.
Mon 11/45:45 amONT - TYS
1 stop9h 48mFrontier
Wed 11/137:30 pmTYS - ONT
1 stop7h 34mFrontier
Deal found 10/21$128
This CheapOair deal was found by Cheapflights users on 10/22. 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.
Wed 11/66:30 amONT - BNA
1 stop7h 29mFrontier
Sat 11/95:09 pmBNA - ONT
1 stop8h 55mFrontier
Deal found 10/22$138
This Booking.com deal was found by Cheapflights users on 10/22. 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.
Fri 11/87:58 amONT - CVG
1 stop13h 08mFrontier
Mon 11/111:39 pmCVG - ONT
1 stop21h 54mFrontier
Deal found 10/22$158
This Orbitz deal was found by Cheapflights users on 10/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/137:00 amONT - BNA
2 stops14h 59mMultiple Airlines
Sat 11/165:09 pmBNA - ONT
1 stop8h 55mMultiple Airlines
Deal found 10/22$251
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 12/68:55 pmONT - BNA
1 stop18h 28mAlaska Airlines
Fri 12/137:00 amBNA - ONT
1 stop18h 59mAlaska Airlines
Deal found 10/22$262
This Delta deal was found by Cheapflights users on 10/23. 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 12/511:18 amONT - BNA
1 stop11h 04mDelta
Mon 12/97:00 amBNA - ONT
1 stop11h 54mDelta
Deal found 10/23$263
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Wed 12/46:05 amONT - BNA
1 stop8h 32mAmerican Airlines
Mon 12/95:30 pmBNA - ONT
1 stop6h 33mAmerican Airlines
Deal found 10/23$288
This Delta deal was found by Cheapflights users on 10/22. 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 12/107:10 amONT - TYS
1 stop7h 42mDelta
Mon 12/166:57 pmTYS - ONT
1 stop7h 19mDelta
Deal found 10/22$288
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 12/59:53 amONT - LEX
2 stops9h 35mAmerican Airlines
Mon 12/91:21 pmLEX - ONT
1 stop10h 19mAmerican Airlines
Deal found 10/22$293
This Delta deal was found by Cheapflights users on 10/22. 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
Sun 12/86:00 amLEX - ONT
1 stop8h 01mDelta
Deal found 10/22$308
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 11/166:30 pmONT - CVG
1 stop20h 29mAlaska Airlines
Tue 11/196:59 pmCVG - ONT
1 stop18h 34mAlaska Airlines
Deal found 10/22$312
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/56:05 amONT - TYS
1 stop6h 21mAmerican Airlines
Tue 11/126:15 pmTYS - ONT
1 stop6h 59mAmerican Airlines
Deal found 10/21$313

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 2,499,819 searches. Data last updated October 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$108 - $403

Route

Depart

Return

Price

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Wed 11/13

1 stop7h 29m

Nashville Intl

Sat 11/16

1 stop8h 55m

$108

OntarioKnoxville McGhee Tyson

ONT - TYS

ONTTYS

Ontario

Mon 11/4

1 stop9h 48m

Knoxville McGhee Tyson

Wed 11/13

1 stop7h 34m

$128

OntarioCincinnati Cinci./N. Kentucky

ONT - CVG

ONTCVG

Ontario

Fri 11/8

1 stop13h 08m

Cincinnati Cinci./N. Kentucky

Mon 11/11

1 stop21h 54m

$158

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Tue 2/25

1 stop7h 13m

Nashville Intl

Tue 3/4

2 stops11h 59m

$205

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Fri 12/6

1 stop15h 59m

Nashville Intl

Fri 12/13

1 stop18h 59m

$262

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Thu 12/5

1 stop11h 04m

Nashville Intl

Mon 12/9

1 stop11h 54m

$263

OntarioKnoxville McGhee Tyson

ONT - TYS

ONTTYS

Ontario

Tue 12/10

1 stop7h 42m

Knoxville McGhee Tyson

Sun 12/15

1 stop7h 19m

$288

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Thu 11/21

1 stop7h 13m

Nashville Intl

Thu 11/28

2 stops12h 49m

$293

OntarioLexington Blue Grass

ONT - LEX

ONTLEX

Ontario

Thu 12/5

2 stops9h 35m

Lexington Blue Grass

Mon 12/9

1 stop10h 19m

$293

OntarioCincinnati Cinci./N. Kentucky

ONT - CVG

ONTCVG

Ontario

Sat 11/16

1 stop20h 29m

Cincinnati Cinci./N. Kentucky

Tue 11/19

1 stop18h 34m

$312

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Wed 1/1

1 stop5h 45m

Nashville Intl

Sun 1/5

2 stops8h 25m

$383

OntarioKnoxville McGhee Tyson

ONT - TYS

ONTTYS

Ontario

Tue 11/5

1 stop6h 46m

Knoxville McGhee Tyson

Tue 11/19

1 stop6h 45m

$403

Flights are sorted by cheapest first

Deals found on 10/21

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 $288). Flying from Ontario to Kentucky in April is currently the most expensive (average of $373). 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 October 23, 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 October 23, 2024.
To help decide which airline to fly from Ontario to Kentucky, see what other customers have to say about Alaska Airlines, Delta and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,156 reviews

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Boarding

8.3

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
5,156 reviews
Southwest
8.1
Very good
5,156 reviews

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Boarding

8.3

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
9,411 reviews
Southwest
8.1
Very good
5,156 reviews

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Boarding

8.3

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
8,885 reviews
Southwest
8.1
Very good
5,156 reviews

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Boarding

8.3

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
9,283 reviews
Southwest
8.1
Very good
5,156 reviews

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Boarding

8.3

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
5,156 reviews

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Boarding

8.3

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.

  • Can I find flights from Ontario to Kentucky for under $200 on Cheapflights?

    Yes, there are multiple flights from Ontario to Kentucky for under $200. The cheapest flight booked recently is on Frontier for just $108, but on average you can expect to pay $294.

  • Are there nonstop flights from Ontario to Kentucky for under $600 on Cheapflights?

    Cheapflights has at least 1 direct flight from Ontario to Kentucky under $600. A good price for a nonstop flight from Ontario to Kentucky is less than $572.

  • Are there last-minute flights available from Ontario to Kentucky for under $200?

    There are currently 20+ open flights from Ontario to Kentucky within the next 7 days for less than $200.

  • 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 $53. United Airlines flights start at $114 while deals on Alaska Airlines start at $131 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.

  • What does ONT to SDF mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Ontario Airport to Louisville Intl Airport flight would often be abbreviated as a ONT to SDF flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Lexington Blue Grass Airport (LEX), Paducah Barkley Regional Airport (PAH), Owensboro Daviess County Airport (OWB).

  • Can I find deals for flights from Ontario to Kentucky that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Kentucky flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Kentucky with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Kentucky flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Ontario to Kentucky that allow pets onboard?

    Many airlines flying from Ontario to Kentucky offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Kentucky?

    Yes, you can often find last-minute deals on Ontario to Kentucky flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Kentucky flight deals updated?

    The Ontario to Kentucky flight deals you see on this page were last updated on 10/23.

  • 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 $288). Flying from Ontario to Kentucky in April is currently the most expensive (average of $373). 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 5 airlines flying from Ontario to Kentucky

Discover the top 5 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 2,499,819 searches. Data last updated October 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$112Average$163FlexibilityNo cancel feeOn-time65%
DeltaCheapest$277Average$437FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$291Average$491FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$354Average$485FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$367Average$477FlexibilityNo cancel feeOn-time63%
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