HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Ontario (ONT) to Kentucky from $159

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 5/15. 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
Apr 24 — May 11
From?
To?
Wed 4/24
Wed 5/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

How far in advance should I book a flight from Ontario to Kentucky?

Find a great deal and save up to 131% by booking at least 17 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 $138.

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 $232. 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 December.

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 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 3,138,949 searches. Data last updated April 19, 2024.
Check out some of the cheapest Delta flights we've come across from Ontario to Kentucky. It's recommended that users confirm their flight details before booking.
Fri 5/1710:00 pmONT - LEX
1 stop8h 25mDelta
Mon 5/206:42 pmLEX - ONT
1 stop7h 05mDelta
Deal found 4/17$264
Thu 5/1610:00 pmONT - LEX
1 stop8h 25mDelta
Mon 5/206:42 pmLEX - ONT
1 stop7h 05mDelta
Deal found 4/18$321
Wed 5/1512:50 pmONT - LEX
1 stop8h 05mDelta
Sun 5/197:28 amLEX - ONT
1 stop7h 12mDelta
Deal found 4/18$343
Thu 5/1610:00 pmONT - LEX
1 stop8h 25mDelta
Tue 5/216:15 pmLEX - ONT
2 stops8h 28mDelta
Deal found 4/18$349
Fri 5/1710:00 pmONT - LEX
1 stop8h 25mDelta
Tue 5/217:34 amLEX - ONT
1 stop7h 06mDelta
Deal found 4/19$351
Thu 6/610:00 pmONT - LEX
1 stop8h 37mDelta
Sun 6/236:26 pmLEX - ONT
1 stop7h 34mDelta
Deal found 4/18$398
Sat 5/1812:50 pmONT - LEX
1 stop8h 05mDelta
Sat 5/2510:30 amLEX - ONT
2 stops14h 09mDelta
Deal found 4/18$399
Thu 5/1610:00 pmONT - LEX
1 stop8h 25mDelta
Tue 5/217:34 amLEX - ONT
1 stop7h 06mDelta
Deal found 4/18$408
Fri 5/1710:00 pmONT - SDF
2 stops10h 37mDelta
Tue 5/216:15 pmSDF - ONT
2 stops8h 28mDelta
Deal found 4/18$428

Cheap Alaska Airlines flights from Ontario to Kentucky

Explore cheap flight options specifically provided by Alaska Airlines 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 3,138,949 searches. Data last updated April 19, 2024.
Browse through some of the cheapest Alaska Airlines flights traveling from Ontario to Kentucky. Check back soon if you're not seeing flights that suit your needs.
Fri 5/104:41 pmONT - SDF
2 stops15h 06mAlaska Airlines
Sat 6/111:15 amSDF - ONT
2 stops12h 10mAlaska Airlines
Deal found 4/18$617
Fri 5/106:00 amONT - SDF
2 stops13h 58mAlaska Airlines
Tue 5/1411:15 amSDF - ONT
2 stops13h 13mAlaska Airlines
Deal found 4/18$698
Fri 5/37:59 pmONT - LEX
2 stops11h 40mAlaska Airlines
Fri 5/1012:00 pmLEX - ONT
2 stops14h 59mAlaska Airlines
Deal found 4/18$728
Mon 4/226:20 pmONT - LEX
2 stops13h 09mAlaska Airlines
Sat 4/2711:09 amLEX - ONT
2 stops13h 19mAlaska Airlines
Deal found 4/17$750
Sat 5/116:00 amONT - SDF
2 stops13h 58mAlaska Airlines
Tue 5/146:01 amSDF - ONT
2 stops13h 04mAlaska Airlines
Deal found 4/18$768
Mon 5/67:59 pmONT - SDF
2 stops11h 40mAlaska Airlines
Wed 5/811:15 amSDF - ONT
2 stops13h 38mAlaska Airlines
Deal found 4/18$770
Mon 4/296:00 amONT - SDF
2 stops13h 50mAlaska Airlines
Thu 5/210:57 amSDF - ONT
2 stops11h 07mAlaska Airlines
Deal found 4/18$909
Sun 4/287:59 pmONT - SDF
2 stops11h 17mAlaska Airlines
Tue 4/3010:43 amSDF - ONT
2 stops14h 10mAlaska Airlines
Deal found 4/18$929
Mon 4/296:00 amONT - SDF
2 stops13h 50mAlaska Airlines
Tue 4/3010:43 amSDF - ONT
2 stops13h 45mAlaska Airlines
Deal found 4/19$1,025

Cheap Ontario to Kentucky flights in April & May 2024

Find cheap flight options from Ontario to Kentucky specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,138,949 searches. Prices were last updated on April 19, 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.
Fri 5/1710:00 pmONT - LEX
1 stop8h 25mDelta
Mon 5/206:42 pmLEX - ONT
1 stop7h 05mDelta
Deal found 4/17$264
Wed 5/292:50 pmONT - LEX
1 stop6h 03mAmerican Airlines
Tue 6/48:22 pmLEX - ONT
1 stop6h 33mAmerican Airlines
Deal found 4/17$313
Thu 5/1610:00 pmONT - LEX
1 stop8h 25mDelta
Mon 5/206:42 pmLEX - ONT
1 stop7h 05mDelta
Deal found 4/18$321
Wed 5/1512:50 pmONT - LEX
1 stop8h 05mDelta
Sun 5/197:28 amLEX - ONT
1 stop7h 12mDelta
Deal found 4/18$343
Thu 5/1610:00 pmONT - LEX
1 stop8h 25mDelta
Tue 5/216:15 pmLEX - ONT
2 stops8h 28mDelta
Deal found 4/18$349
Fri 5/1710:00 pmONT - LEX
1 stop8h 25mDelta
Tue 5/217:34 amLEX - ONT
1 stop7h 06mDelta
Deal found 4/19$351
Thu 5/162:50 pmONT - LEX
1 stop6h 03mAmerican Airlines
Sun 5/195:51 amLEX - ONT
1 stop6h 49mAmerican Airlines
Deal found 4/17$360
Sun 5/2610:34 amONT - SDF
1 stop8h 48mAmerican Airlines
Thu 5/3011:29 amSDF - ONT
1 stop10h 30mAmerican Airlines
Deal found 4/18$386
Wed 5/2912:53 pmONT - LEX
2 stops8h 00mAmerican Airlines
Tue 6/48:22 pmLEX - ONT
1 stop6h 33mAmerican Airlines
Deal found 4/17$387

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 3,138,949 searches. Data last updated April 19, 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 8/277:00 amONT - LEX
1 stop7h 40mDelta
Sat 8/316:35 pmLEX - ONT
1 stop6h 37mDelta
Deal found 4/18$264
Tue 8/2712:45 pmONT - LEX
1 stop8h 08mDelta
Sat 8/311:30 pmLEX - ONT
2 stops13h 14mDelta
Deal found 4/17$269
Tue 8/276:00 amONT - LEX
2 stops12h 06mUnited Airlines
Sat 8/312:12 pmLEX - ONT
2 stops13h 33mUnited Airlines
Deal found 4/17$274
Sat 8/310:00 pmONT - LEX
1 stop8h 38mDelta
Sat 8/103:35 pmLEX - ONT
1 stop6h 30mDelta
Deal found 4/19$287
Wed 7/2410:00 pmONT - LEX
2 stops9h 11mDelta
Wed 7/316:26 pmLEX - ONT
1 stop7h 11mDelta
Deal found 4/18$292
Wed 5/292:50 pmONT - LEX
1 stop6h 03mAmerican Airlines
Tue 6/48:22 pmLEX - ONT
1 stop6h 33mAmerican Airlines
Deal found 4/17$313
Thu 5/1610:00 pmONT - LEX
1 stop8h 25mDelta
Mon 5/206:42 pmLEX - ONT
1 stop7h 05mDelta
Deal found 4/18$321
Tue 8/277:00 amONT - LEX
1 stop7h 40mDelta
Sat 8/311:30 pmLEX - ONT
2 stops13h 14mDelta
Deal found 4/18$326
Wed 5/1512:50 pmONT - LEX
1 stop8h 05mDelta
Sun 5/197:28 amLEX - ONT
1 stop7h 12mDelta
Deal found 4/18$343

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 3,138,949 searches. Data last updated April 19, 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.
Wed 4/2410:00 amONT - LEX
2 stops10h 51mAmerican Airlines
Mon 4/298:15 pmLEX - ONT
1 stop6h 42mAmerican Airlines
Deal found 4/19$418
Wed 4/246:25 amONT - LEX
2 stops11h 32mAmerican Airlines
Mon 4/293:42 pmLEX - ONT
2 stops9h 14mAmerican Airlines
Deal found 4/19$452
Wed 4/245:15 amONT - LEX
1 stop6h 44mUnited Airlines
Mon 4/294:28 pmLEX - ONT
1 stop7h 12mUnited Airlines
Deal found 4/19$503
Mon 4/296:00 amONT - SDF
2 stops26h 44mUnited Airlines
Wed 5/89:04 amSDF - ONT
1 stop6h 36mUnited Airlines
Deal found 4/18$566
Mon 4/2910:20 pmONT - SDF
1 stop9h 28mAmerican Airlines
Wed 5/86:01 amSDF - ONT
1 stop6h 39mAmerican Airlines
Deal found 4/18$596
Mon 4/2910:00 amONT - SDF
2 stops9h 50mAmerican Airlines
Wed 5/83:43 pmSDF - ONT
2 stops9h 46mAmerican Airlines
Deal found 4/18$606
Wed 4/2412:35 pmONT - LEX
1 stop8h 23mDelta
Thu 4/256:38 pmLEX - ONT
1 stop7h 19mDelta
Deal found 4/19$718
Mon 4/296:00 amONT - SDF
2 stops13h 50mAlaska Airlines
Thu 5/210:57 amSDF - ONT
2 stops11h 07mAlaska Airlines
Deal found 4/18$909
Mon 4/2912:55 pmONT - SDF
2 stops8h 02mAmerican Airlines
Sun 5/58:23 pmSDF - ONT
1 stop6h 34mAmerican Airlines
Deal found 4/18$916

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 3,138,949 searches. Data last updated April 19, 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.
Wed 5/1512:50 pmONT - LEX
1 stop8h 05mDelta
Deal found 4/18$159
Sat 5/1812:50 pmONT - LEX
1 stop8h 05mDelta
Deal found 4/18$189
Wed 9/2510:59 pmONT - SDF
1 stop7h 32mDelta
Deal found 4/18$199
Sat 5/1812:50 pmONT - SDF
1 stop8h 09mDelta
Deal found 4/18$219
Sun 5/266:00 amONT - SDF
1 stop8h 08mDelta
Deal found 4/18$229
Thu 5/211:59 pmONT - SDF
1 stop7h 14mAmerican Airlines
Deal found 4/18$233
Thu 5/26:25 amONT - SDF
2 stops8h 26mAmerican Airlines
Deal found 4/18$238
Sun 5/261:29 pmONT - SDF
1 stop5h 49mUnited Airlines
Deal found 4/17$239
Wed 5/221:36 pmONT - SDF
1 stop6h 41mUnited Airlines
Deal found 4/17$244

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 3,138,949 searches. Data last updated April 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$264 - $617

Route

Depart

Return

Price

OntarioLexington Blue Grass

ONT - LEX

ONTLEX

Ontario

Fri 5/17

1 stop8h 25m

Lexington Blue Grass

Mon 5/20

1 stop7h 05m

$264

OntarioLexington Blue Grass

ONT - LEX

ONTLEX

Ontario

Wed 5/29

1 stop6h 03m

Lexington Blue Grass

Tue 6/4

1 stop6h 33m

$313

OntarioLexington Blue Grass

ONT - LEX

ONTLEX

Ontario

Thu 5/16

1 stop8h 25m

Lexington Blue Grass

Mon 5/20

1 stop7h 05m

$321

OntarioLexington Blue Grass

ONT - LEX

ONTLEX

Ontario

Wed 5/15

1 stop8h 05m

Lexington Blue Grass

Sun 5/19

1 stop7h 12m

$343

OntarioLexington Blue Grass

ONT - LEX

ONTLEX

Ontario

Thu 5/16

1 stop8h 25m

Lexington Blue Grass

Tue 5/21

2 stops8h 28m

$349

OntarioLexington Blue Grass

ONT - LEX

ONTLEX

Ontario

Thu 5/16

1 stop6h 03m

Lexington Blue Grass

Sun 5/19

1 stop6h 49m

$360

OntarioLouisville Intl

ONT - SDF

ONTSDF

Ontario

Sun 5/26

1 stop8h 48m

Louisville Intl

Thu 5/30

1 stop10h 30m

$386

OntarioLouisville Intl

ONT - SDF

ONTSDF

Ontario

Tue 5/14

1 stop6h 17m

Louisville Intl

Wed 5/15

1 stop6h 36m

$398

OntarioLouisville Intl

ONT - SDF

ONTSDF

Ontario

Fri 5/10

2 stops15h 06m

Louisville Intl

Sat 6/1

2 stops12h 10m

$617

Flights are sorted by cheapest first

Deals found on 4/17

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 April 19, 2024.
To help decide which airline to fly from Ontario to Kentucky, see what other customers have to say about Delta, Alaska Airlines 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
9,109 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

7.3

Crew

8.6

Food

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
9,109 reviews
Alaska Airlines
8.1
Very good
9,109 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Delta
8.1
Very good
11,094 reviews
Alaska Airlines
8.1
Very good
9,109 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
11,325 reviews
Alaska Airlines
8.1
Very good
9,109 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

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

American Airlines
7.3
Good
14,955 reviews
Alaska Airlines
8.1
Very good
9,109 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

7.3

Crew

8.6

Food

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 $300 on Cheapflights?

    Yes, there are multiple flights from Ontario to Kentucky for under $300. The cheapest flight booked recently is on Delta for just $264, but on average you can expect to pay $376.

  • Are there last-minute flights available from Ontario to Kentucky for under $500?

    There are currently 17+ open flights from Ontario to Kentucky within the next 7 days for less than $500.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $159. American Airlines flights start at $233 while deals on United Airlines start at $239 one-way.

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

    The most popular flight routes from Ontario to Kentucky are Ontario - Lexington Blue Grass, Ontario - Louisville Intl and Ontario - Paducah Barkley Regional.

  • 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 4/19.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Kentucky
See prices for flight routes from nearby airports that may be better suited for you.

Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Seattle flights
San Francisco to Las Vegas flights
Los Angeles to Honolulu flights
Los Angeles to LaGuardia flights
San Francisco to Newark flights
Los Angeles to Las Vegas flights
San Francisco to Los Angeles flights
Los Angeles to Miami flights
Ontario to Seattle flights
Los Angeles to O'Hare Intl flights
Los Angeles to Boston flights
San Francisco to Seattle flights
Ontario to Dallas/Fort Worth flights
Ontario to John F Kennedy Intl flights
San Francisco to LaGuardia flights
Burbank to Newark flights
Los Angeles to Orlando flights
Burbank to Las Vegas flights
Los Angeles to Fort Lauderdale flights
Oakland to Burbank flights
Los Angeles to San Francisco flights
Burbank to Oakland flights
Oakland to Las Vegas flights
Los Angeles to Atlanta flights
San Francisco to O'Hare Intl flights
Los Angeles to Reagan-National flights
Los Angeles to Denver flights
Santa Ana to Seattle flights
Santa Ana to Las Vegas flights
San Francisco to Boston flights
Los Angeles to Portland flights
Oakland to Los Angeles flights
Los Angeles to Oakland flights
Los Angeles to Baltimore flights
Los Angeles to Dulles Intl flights
San Francisco to Honolulu flights
San Jose to Los Angeles flights
San Francisco to San Diego flights
Los Angeles to San Jose flights
Ontario to Honolulu flights
San Jose to Las Vegas flights
Los Angeles to Hobby flights
San Diego to Seattle flights
Los Angeles to Sky Harbor Intl flights
Burbank to Seattle flights

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 3,138,949 searches. Data last updated April 19, 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$279Average$508FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$368Average$491FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Dallas to London flights
Phoenix to Seattle flights
Fort Lauderdale to Orlando flights
Atlanta to Jacksonville flights
San Diego to Dallas flights
Los Angeles to Miami flights
Los Angeles to Toronto flights
Los Angeles to Cancún flights
San Francisco to San Diego flights
Los Angeles to Philadelphia flights
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

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Bodø
Flights to Bar Harbor
Flights to Bastia Poretta
Flights to Dharamshala Kangra
Flights to Biarritz Parme
Flights to Menorca/Mahon
Flights to Milas–Bodrum
Flights to Dipolog
Flights to Kagoshima
Flights to Edremit/Korfez
Flights to Bourgas
Flights to Ordu/Giresun
Flights to Chios
Flights to Argostoli Cephalonia
Flights to Barrow Wiley Post/W.Rogers
Flights to Kristiansand Kjevik
Flights to Zakynthos Dionsios Salomos
Flights to Batumi
Flights to Guilin
Flights to Pau Pyrénées
Flights to Fez Sais
Flights to Kos
Flights to Mytilene
Flights to Norwich Arpt

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines