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Cheap flights from Ontario (ONT) to Kentucky from $85

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 6/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — SDF
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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How far in advance should I book a flight from Ontario to Kentucky?

Find a great deal and save up to 104% by booking at least 19 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Kentucky within the next two weeks, with the cheapest ticket starting at $121.

What is the cheapest month to fly from Ontario to Kentucky?

August can be a great time to fly to Kentucky from Ontario with a flight ticket averaging about $257. Cheapflights users have found deals in the month of August for as cheap as $87. The most expensive prices can be found in the month of March.

When is the cheapest time to fly from Ontario to Kentucky (ONT - KY)?

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.

Cheap Frontier flights from Ontario to Kentucky

Explore cheap flight options specifically provided by Frontier for the route between Ontario and Kentucky. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Check out some of the cheapest Frontier flights we've come across from Ontario to Kentucky. It's recommended that users confirm their flight details before booking.
Thu 6/1310:10 amONT - BNA
1 stop8h 52mFrontier
Sat 6/154:03 pmBNA - ONT
1 stop6h 07mFrontier
Deal found 5/16$157
Tue 8/201:32 pmONT - BNA
1 stop18h 30mFrontier
Wed 8/2811:02 amBNA - ONT
1 stop14h 37mFrontier
Deal found 5/14$166
Tue 6/412:59 amONT - BNA
1 stop8h 51mFrontier
Wed 6/1212:42 pmBNA - ONT
1 stop13h 07mFrontier
Deal found 5/15$169
Mon 6/312:59 amONT - BNA
1 stop11h 32mFrontier
Wed 6/1212:42 pmBNA - ONT
1 stop13h 07mFrontier
Deal found 5/16$170
Wed 8/1412:49 amONT - BNA
1 stop11h 36mFrontier
Sat 8/1710:40 amBNA - ONT
1 stop27h 35mFrontier
Deal found 5/15$171
Tue 6/42:25 pmONT - BNA
1 stop19h 25mFrontier
Thu 6/66:13 pmBNA - ONT
1 stop29h 10mFrontier
Deal found 5/16$172
Wed 8/1412:49 amONT - BNA
1 stop11h 36mFrontier
Sun 8/181:50 pmBNA - ONT
1 stop11h 49mFrontier
Deal found 5/15$173
Fri 8/238:27 pmONT - BNA
1 stop11h 13mFrontier
Tue 8/271:50 pmBNA - ONT
1 stop11h 49mFrontier
Deal found 5/15$174
Sun 6/212:59 amONT - BNA
1 stop7h 20mFrontier
Fri 6/711:13 amBNA - ONT
1 stop14h 27mFrontier
Deal found 5/15$176

Cheap Delta flights from Ontario to Kentucky

Explore cheap flight options specifically provided by Delta for the route between Ontario and Kentucky. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Browse through some of the cheapest Delta flights traveling from Ontario to Kentucky. Check back soon if you're not seeing flights that suit your needs.
Mon 5/2710:00 pmONT - BNA
1 stop8h 18mDelta
Thu 5/3012:53 pmBNA - ONT
1 stop9h 13mDelta
Deal found 5/16$236
Sat 8/247:00 amONT - TYS
1 stop6h 25mDelta
Tue 8/275:35 amTYS - ONT
1 stop8h 35mDelta
Deal found 5/15$276
Sat 8/36:55 amONT - TYS
2 stops12h 19mDelta
Sat 8/105:35 amTYS - ONT
1 stop8h 35mDelta
Deal found 5/15$281
Thu 8/2212:45 pmONT - TYS
1 stop8h 12mDelta
Tue 8/275:35 amTYS - ONT
1 stop8h 35mDelta
Deal found 5/15$282
Tue 8/1310:59 pmONT - TYS
2 stops10h 03mDelta
Tue 8/207:15 amTYS - ONT
2 stops14h 50mDelta
Deal found 5/15$286
Mon 8/2612:45 pmONT - TYS
1 stop8h 12mDelta
Tue 8/275:35 amTYS - ONT
1 stop8h 35mDelta
Deal found 5/15$287
Thu 7/2510:00 pmONT - TYS
2 stops10h 38mDelta
Thu 8/15:25 amTYS - ONT
1 stop7h 45mDelta
Deal found 5/15$293
Mon 5/275:45 amONT - BNA
1 stop6h 07mDelta
Fri 5/317:36 pmBNA - ONT
1 stop6h 07mDelta
Deal found 5/16$296
Wed 5/2212:50 pmONT - BNA
1 stop6h 11mDelta
Thu 6/67:36 pmBNA - ONT
1 stop6h 07mDelta
Deal found 5/15$310

Cheap Ontario to Kentucky flights in May & June 2024

Find cheap flight options from Ontario to Kentucky specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
These are some of the best deals we've found on flights to Kentucky in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Tue 6/412:59 amONT - BNA
1 stop8h 51mFrontier
Wed 6/1212:42 pmBNA - ONT
1 stop13h 07mFrontier
Deal found 5/15$169
Tue 6/412:59 amONT - BNA
1 stop8h 51mFrontier
Thu 6/66:13 pmBNA - ONT
1 stop7h 31mFrontier
Deal found 5/15$170
Sun 6/212:59 amONT - BNA
1 stop7h 20mFrontier
Fri 6/711:13 amBNA - ONT
1 stop14h 27mFrontier
Deal found 5/15$176
Tue 5/2812:59 amONT - CVG
1 stop6h 19mFrontier
Fri 5/313:48 pmCVG - ONT
1 stop9h 26mFrontier
Deal found 5/15$180
Tue 5/2812:59 amONT - CVG
1 stop21h 43mFrontier
Sun 6/22:01 pmCVG - ONT
1 stop22h 33mFrontier
Deal found 5/15$182
Mon 6/312:59 amONT - BNA
1 stop11h 32mFrontier
Tue 6/116:13 pmBNA - ONT
1 stop14h 49mFrontier
Deal found 5/15$182
Tue 5/2812:59 amONT - CVG
1 stop21h 43mFrontier
Sun 6/22:01 pmCVG - ONT
1 stop27h 21mFrontier
Deal found 5/15$183
Thu 5/306:11 pmONT - CVG
1 stop15h 45mFrontier
Fri 5/313:48 pmCVG - ONT
1 stop9h 26mFrontier
Deal found 5/15$184
Mon 6/1012:59 amONT - BNA
1 stop9h 20mFrontier
Sat 6/156:59 pmBNA - ONT
1 stop6h 50mFrontier
Deal found 5/15$184

Ontario to Kentucky 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Kentucky in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
These are some of the best deals we've found on flights to Kentucky in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Tue 8/201:32 pmONT - BNA
1 stop18h 30mFrontier
Wed 8/2811:02 amBNA - ONT
1 stop14h 37mFrontier
Deal found 5/14$166
Tue 6/412:59 amONT - BNA
1 stop8h 51mFrontier
Wed 6/1212:42 pmBNA - ONT
1 stop13h 07mFrontier
Deal found 5/15$169
Tue 6/412:59 amONT - BNA
1 stop8h 51mFrontier
Thu 6/66:13 pmBNA - ONT
1 stop7h 31mFrontier
Deal found 5/15$170
Wed 8/1412:49 amONT - BNA
1 stop11h 36mFrontier
Sat 8/1710:40 amBNA - ONT
1 stop27h 35mFrontier
Deal found 5/15$171
Wed 8/1412:49 amONT - BNA
1 stop11h 36mFrontier
Sun 8/181:50 pmBNA - ONT
1 stop11h 49mFrontier
Deal found 5/15$173
Fri 8/238:27 pmONT - BNA
1 stop11h 13mFrontier
Tue 8/271:50 pmBNA - ONT
1 stop11h 49mFrontier
Deal found 5/15$174
Sun 6/212:59 amONT - BNA
1 stop7h 20mFrontier
Fri 6/711:13 amBNA - ONT
1 stop14h 27mFrontier
Deal found 5/15$176
Tue 8/2712:49 amONT - TYS
1 stop13h 28mFrontier
Wed 9/46:17 pmTYS - ONT
1 stop8h 22mFrontier
Deal found 5/15$178
Tue 8/1312:49 amONT - CVG
1 stop6h 30mFrontier
Sun 8/182:26 pmCVG - ONT
1 stop10h 22mFrontier
Deal found 5/15$179

Ontario to Kentucky flights leaving soon

Find last-minute flight options from Ontario to Kentucky for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Have a look at some of the last-minute flights available departing from Ontario to Kentucky. To prevent any unwanted surprises, users should verify their flight info before booking.
Tue 5/2112:59 amONT - CVG
1 stop6h 19mFrontier
Wed 5/296:50 pmCVG - ONT
1 stop8h 09mFrontier
Deal found 5/15$180
Thu 5/236:11 pmONT - CVG
1 stop15h 45mFrontier
Tue 5/283:20 pmCVG - ONT
1 stop7h 51mFrontier
Deal found 5/15$190
Sat 5/2512:59 amONT - CVG
1 stop8h 35mFrontier
Wed 6/57:20 amCVG - ONT
1 stop16h 36mFrontier
Deal found 5/16$199
Sun 5/268:55 amONT - CVG
1 stop11h 16mFrontier
Wed 6/57:20 amCVG - ONT
1 stop16h 36mFrontier
Deal found 5/16$205
Sat 5/2512:59 amONT - CVG
1 stop8h 35mFrontier
Sun 6/22:01 pmCVG - ONT
1 stop27h 21mFrontier
Deal found 5/15$207
Sun 5/262:04 pmONT - BNA
1 stop16h 37mFrontier
Wed 6/512:42 pmBNA - ONT
1 stop13h 07mFrontier
Deal found 5/15$213
Fri 5/248:54 pmONT - BNA
1 stop19h 31mFrontier
Sat 6/82:21 pmBNA - ONT
1 stop6h 12mFrontier
Deal found 5/15$219
Tue 5/215:41 pmONT - CVG
1 stop27h 03mFrontier
Wed 5/292:24 pmCVG - ONT
1 stop28h 38mFrontier
Deal found 5/15$220
Fri 5/248:54 pmONT - BNA
1 stop19h 31mFrontier
Thu 5/302:09 pmBNA - ONT
1 stop11h 50mFrontier
Deal found 5/15$223

One-way flights to Kentucky from Ontario

Search for one-way flight options from Ontario to Kentucky. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a look at some of the one-way flights we've detected from Ontario to Kentucky. Those needing a return flight from Ontario to Kentucky can use the search form above.
Thu 6/1310:10 amONT - BNA
1 stop8h 52mFrontier
Deal found 5/15$85
Tue 5/2812:59 amONT - BNA
1 stop5h 42mFrontier
Deal found 5/16$89
Tue 5/2112:59 amONT - CVG
1 stop6h 19mFrontier
Deal found 5/15$90
Tue 8/1312:49 amONT - BNA
1 stop7h 13mFrontier
Deal found 5/16$90
Tue 8/1312:49 amONT - CVG
1 stop6h 30mFrontier
Deal found 5/16$91
Wed 8/1412:49 amONT - BNA
1 stop11h 36mFrontier
Deal found 5/15$91
Wed 8/2812:49 amONT - CVG
1 stop8h 29mFrontier
Deal found 5/15$95
Thu 5/2311:07 pmONT - CVG
1 stop10h 49mFrontier
Deal found 5/15$96
Mon 8/1212:49 amONT - BNA
1 stop11h 36mFrontier
Deal found 5/14$96

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$157 - $364

Route

Depart

Return

Price

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Thu 6/13

1 stop8h 52m

Nashville Intl

Sat 6/15

1 stop6h 07m

$157

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Tue 8/20

1 stop18h 30m

Nashville Intl

Wed 8/28

1 stop14h 37m

$166

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Tue 6/4

1 stop8h 51m

Nashville Intl

Wed 6/12

1 stop13h 07m

$169

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Mon 6/3

1 stop11h 32m

Nashville Intl

Wed 6/12

1 stop13h 07m

$170

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Wed 8/14

1 stop11h 36m

Nashville Intl

Sat 8/17

1 stop27h 35m

$171

OntarioKnoxville McGhee Tyson

ONT - TYS

ONTTYS

Ontario

Tue 8/13

1 stop8h 39m

Knoxville McGhee Tyson

Tue 8/20

1 stop6h 36m

$228

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Mon 5/27

1 stop8h 18m

Nashville Intl

Thu 5/30

1 stop9h 13m

$236

OntarioNashville Intl

ONT - BNA

ONTBNA

Ontario

Sat 6/8

2 stops14h 36m

Nashville Intl

Sat 6/15

1 stop6h 50m

$290

OntarioLexington Blue Grass

ONT - LEX

ONTLEX

Ontario

Wed 8/21

2 stops13h 57m

Lexington Blue Grass

Wed 8/28

2 stops10h 19m

$364

Flights are sorted by cheapest first

Deals found on 5/16

No data available for this route at this time. Please check back soon.

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 May 16, 2024.
To help decide which airline to fly from Ontario to Kentucky, see what other customers have to say about Frontier, Delta and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,157 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,673 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

WestJet
7.5
Good
2,919 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Avianca
7.5
Good
3,765 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,924 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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 $157, but on average you can expect to pay $176.

  • 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 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 - Knoxville McGhee Tyson.

  • What are the most popular airlines that fly from Ontario to Kentucky?

    When booking a flight from Ontario to Kentucky, you may want to consider flying on American Airlines, Delta or Spirit Airlines as they are the most popular for this route.

  • 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 5/15.

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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$97Average$148FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$242Average$520FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$280Average$466FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$366Average$491FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Miami to The Bahamas flights
Ontario to Louisiana flights

Search flights from Ontario to Kentucky by cabin class

Find flights from Ontario to Kentucky, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Kentucky?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Kentucky from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Kentucky?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Kentucky for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Kentucky with no change fees?

Yes, we can. To see specific flights from Ontario to Kentucky with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Kentucky become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Kentucky on Cheapflights with our Price Alert feature and get notified when better prices are available.

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