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$74+ Cheap flights from Kentucky to Ontario (ONT)

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ONT
nov. 26 — dic. 31
mar. 11/26
mar. 12/3
1 adult, Economy
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Cheap flight deals from Kentucky to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Kentucky (USKY) to Ontario (ONT). 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 noviembre 21, 2024.

Find flight deals from Kentucky to Ontario

Cheapest flights from Kentucky to Ontario
Explore the most affordable flight options available from Kentucky to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 21, 2024.

This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/82:26 pmCVG - ONT
1 stop27h 40mFrontier
mié. 12/117:45 amONT - CVG
1 stop26h 17mFrontier
Deal found 11/20$158
This Booking.com deal was found by Cheapflights users on 11/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/185:12 pmBNA - ONT
1 stop8h 47mFrontier
mié. 12/2512:59 amONT - BNA
1 stop8h 34mFrontier
Deal found 11/20$278
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.
jue. 12/125:56 pmLEX - ONT
1 stop8h 06mDelta
lun. 12/1612:11 pmONT - LEX
1 stop6h 07mDelta
Deal found 11/19$288
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.
jue. 12/126:28 pmBNA - ONT
1 stop26h 21mAlaska Airlines
jue. 1/911:33 amONT - BNA
1 stop10h 26mAlaska Airlines
Deal found 11/19$290
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/316:29 amBNA - ONT
1 stop7h 17mAmerican Airlines
lun. 1/611:59 pmONT - BNA
1 stop8h 46mAmerican Airlines
Deal found 11/20$294
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.
mié. 12/187:00 amBNA - ONT
1 stop11h 54mDelta
mié. 12/255:30 amONT - BNA
1 stop6h 17mDelta
Deal found 11/19$306
This Delta deal was found by Cheapflights users on 11/20. 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.
mié. 12/117:59 pmCVG - ONT
1 stop7h 15mDelta
sáb. 12/1412:05 pmONT - CVG
1 stop8h 50mDelta
Deal found 11/20$306
This CheapOair deal was found by Cheapflights users on 11/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/257:08 pmTYS - ONT
1 stop16h 18mFrontier
jue. 11/282:19 pmONT - TYS
1 stop24h 56mFrontier
Deal found 11/21$323
This eDestinos deal was found by Cheapflights users on 11/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/313:57 pmBNA - ONT
2 stops22h 42mMultiple Airlines
lun. 1/61:05 pmONT - BNA
2 stops23h 57mMultiple Airlines
Deal found 11/20$329
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.
mar. 12/179:29 amCVG - ONT
2 stops8h 56mAmerican Airlines
mar. 12/3111:59 pmONT - CVG
1 stop8h 41mAmerican Airlines
Deal found 11/19$352
This Delta deal was found by Cheapflights users on 11/20. 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.
sáb. 12/146:00 amSDF - ONT
1 stop7h 54mDelta
lun. 12/167:10 amONT - SDF
1 stop8h 55mDelta
Deal found 11/20$353
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/125:00 amSDF - ONT
1 stop7h 51mAmerican Airlines
lun. 12/169:53 amONT - SDF
2 stops11h 21mAmerican Airlines
Deal found 11/20$388

Find flights from Kentucky to Ontario within your budget

Customize your flight search to find flights from Kentucky to Ontario 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 noviembre 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

jue. 1/30

2:16 pm-5:55 pm

1 stop6h 39m

Ontario

lun. 2/3

1:46 pm-11:50 pm

1 stop7h 04m

$148

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

mié. 1/22

7:00 am-8:13 pm

1 stop15h 13m

Ontario

dom. 1/26

7:00 am-5:50 pm

1 stop8h 50m

$250

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

mié. 12/18

5:12 pm-11:59 pm

1 stop8h 47m

Ontario

mié. 12/25

12:59 am-11:33 am

1 stop8h 34m

$278

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

vie. 2/28

6:49 pm-11:02 am

1 stop19h 13m

Ontario

mar. 3/4

4:20 pm-5:34 pm

1 stop22h 14m

$282

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

mié. 1/22

5:45 am-11:50 am

1 stop9h 05m

Ontario

mar. 1/28

1:00 pm-11:47 pm

1 stop7h 47m

$288

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

jue. 12/12

5:56 pm-11:02 pm

1 stop8h 06m

Ontario

lun. 12/16

12:11 pm-9:18 pm

1 stop6h 07m

$288

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

mié. 1/8

4:15 pm-10:16 pm

1 stop9h 01m

Ontario

mié. 1/15

10:56 am-8:18 pm

1 stop6h 22m

$294

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

mar. 12/31

6:29 am-11:46 am

1 stop7h 17m

Ontario

lun. 1/6

11:59 pm-10:45 am

1 stop8h 46m

$294

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

sáb. 1/18

8:15 am-12:26 pm

1 stop7h 11m

Ontario

sáb. 1/25

6:00 am-6:45 pm

1 stop9h 45m

$295

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

jue. 1/23

6:00 am-10:27 am

1 stop7h 27m

Ontario

mar. 1/28

6:00 am-9:42 pm

2 stops12h 42m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 58 results
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Best time to book a flight from Kentucky to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kentucky 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 Kentucky to Ontario

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

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

Currently, September is the cheapest month in which you can book a flight from Kentucky to Ontario (average of $236). Flying from Kentucky to Ontario in December is currently the most expensive (average of $298). 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 KY to ONT?

Find hourly flight availability from Kentucky to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 21, 2024.

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

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August 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 December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated noviembre 21, 2024.
Peruse reviews from past customers who have flown with American Airlines, Frontier and Alaska Airlines from Kentucky to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,758 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Ontario. 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 into for flights to Ontario from Kentucky?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Kentucky to Ontario.

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

    $74 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $109 and $142, respectively.

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

    While some choose either Nashville Intl - Ontario or Louisville Intl - Ontario, Cincinnati Cinci./N. Kentucky - Ontario is the most popular route from Kentucky to Ontario.

  • Can I find deals for flights from Kentucky to Ontario that include hotel bookings?

    Yes. In addition to deals on Kentucky to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Ontario.

  • Can I find deals for business class flights from Kentucky to Ontario?

    Yes. Cheapflights offers flight deals from Kentucky to Ontario 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 Kentucky to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Kentucky to Ontario (average of $236). Flying from Kentucky to Ontario in December is currently the most expensive (average of $298). 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 Kentucky to Ontario

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

Discover the top 4 airlines that operate flights from Kentucky to Ontario. 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 noviembre 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$257Average$525FlexibilityNo cancel feeOn-time69%
DeltaCheapest$275Average$501FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$286Average$447FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$389Average$536FlexibilityNo cancel feeOn-time63%
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