$76+ Cheap flights from Ontario to Cincinnati (ONT - CVG)
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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CVG
Feb 19 — Feb 261
1 adult, Economy
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Find cheap flights from Ontario to Cincinnati with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Cincinnati
Cheapest flights from Ontario to CincinnatiExplore the most affordable flight options available from Ontario to Cincinnati. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.
Explore the most affordable flight options available from Ontario to Cincinnati. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/21:05 pm
ONT
- CVG
1 stop7h 53m
Frontier
Thu 2/52:11 pm
CVG
- ONT
1 stop8h 42m
Frontier
Deal found 1/19![Frontier logo]()
$180
This CheapOair deal was found by Cheapflights users on 1/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:06 pm
ONT
- CVG
1 stop7h 53m
Frontier
Mon 3/27:00 am
CVG
- ONT
1 stop19h 59m
Frontier
Deal found 1/19![Frontier logo]()
$181
This CheapOair deal was found by Cheapflights users on 1/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:17 pm
ONT
- CVG
1 stop25h 42m
Frontier
Fri 2/207:00 am
CVG
- ONT
1 stop19h 59m
Frontier
Deal found 1/19![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 1/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/192:08 pm
ONT
- CVG
1 stop6h 34m
Frontier
Mon 2/237:00 am
CVG
- ONT
1 stop19h 59m
Frontier
Deal found 1/19![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:17 pm
ONT
- CVG
1 stop25h 42m
Frontier
Mon 2/166:42 pm
CVG
- ONT
2 stops21h 29m
Frontier
Deal found 1/17![Frontier logo]()
$207
This Frontier deal was found by Cheapflights users on 1/18. 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 2/26:20 am
ONT
- CVG
1 stop11h 33m
Frontier
Sun 2/82:10 pm
CVG
- ONT
1 stop8h 22m
Frontier
Deal found 1/18![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:15 am
ONT
- CVG
1 stop29h 09m
Frontier
Mon 3/168:48 pm
CVG
- ONT
1 stop22h 06m
Frontier
Deal found 1/18![Frontier logo]()
$233
This Frontier deal was found by Cheapflights users on 1/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:20 am
ONT
- CVG
1 stop11h 33m
Frontier
Mon 2/21:45 pm
CVG
- ONT
1 stop13h 35m
Frontier
Deal found 1/19![Frontier logo]()
$235
This CheapOair deal was found by Cheapflights users on 1/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/202:21 pm
ONT
- CVG
1 stop7h 38m
Frontier
Mon 2/237:00 am
CVG
- ONT
1 stop19h 59m
Frontier
Deal found 1/19![Frontier logo]()
$237
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:49 pm
ONT
- CVG
1 stop16h 53m
Frontier
Mon 3/3011:58 am
CVG
- ONT
1 stop15h 01m
Frontier
Deal found 1/19![Frontier logo]()
$245
Find flight deals from Ontario to Cincinnati
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Cincinnati (CVG). 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 January 20, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $180 (Expedia) |
One-way from | $76 (Trip.com) |
Popular in | February |
Cheapest in | September |
Average price | $401 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Cincinnati 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 January 20, 2026.
Use the filters below to find and compare flights from Ontario to Cincinnati that are best for you.
Fly from
Ontario
Fly to
Cincinnati
Route
Depart
Return
Price
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Wed 2/11
7:17 pm-11:59 pm
1 stop25h 42m
Cincinnati Cinci./N. Kentucky
Mon 2/16
6:42 pm-1:11 pm
2 stops21h 29m
$207
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Mon 2/2
6:20 am-8:53 pm
1 stop11h 33m
Cincinnati Cinci./N. Kentucky
Sun 2/8
2:10 pm-7:32 pm
1 stop8h 22m
$215
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Fri 2/27
2:21 pm-12:59 am
1 stop7h 38m
Cincinnati Cinci./N. Kentucky
Sun 3/1
1:09 pm-9:29 pm
1 stop11h 20m
$250
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Mon 2/2
1:05 pm-11:58 pm
1 stop7h 53m
Cincinnati Cinci./N. Kentucky
Sat 2/7
8:00 am-3:08 pm
1 stop10h 08m
$259
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 2/5
11:27 am-11:57 pm
2 stops33h 30m
Cincinnati Cinci./N. Kentucky
Mon 2/9
2:11 pm-7:10 pm
1 stop7h 59m
$273
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Tue 4/14
1:20 pm-10:48 pm
1 stop6h 28m
Cincinnati Cinci./N. Kentucky
Sat 4/18
6:00 pm-10:43 pm
1 stop7h 43m
$277
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Wed 4/15
10:15 pm-8:55 am
1 stop7h 40m
Cincinnati Cinci./N. Kentucky
Sat 4/18
2:50 pm-8:58 pm
1 stop9h 08m
$277
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Sat 2/14
10:20 pm-10:28 am
1 stop9h 08m
Cincinnati Cinci./N. Kentucky
Wed 2/18
4:07 pm-9:05 pm
1 stop7h 58m
$277
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Fri 2/27
12:18 pm-10:37 pm
1 stop7h 19m
Cincinnati Cinci./N. Kentucky
Wed 3/4
1:47 pm-7:45 pm
1 stop8h 58m
$316
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Sun 2/15
6:10 am-11:42 pm
1 stop14h 32m
Cincinnati Cinci./N. Kentucky
Fri 2/20
7:00 am-11:59 pm
1 stop19h 59m
$316
Showing 1-10 of 20 results
Compare providers for flights from Ontario to Cincinnati
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Cincinnati in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Ontario-Cincinnati flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Cincinnati flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Cincinnati flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Cincinnati flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Cincinnati flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Cincinnati
Have a flexible travel schedule? Discover the best time to fly to Cincinnati 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.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Cincinnati
Prices
More
How far ahead should I book a flight from Ontario to Cincinnati?
Use this chart to determine the optimal time to book a round-trip flight from Ontario to Cincinnati. Price data was last updated on January 16, 2026.
To ensure you get the cheapest price possible for a flight from Ontario to Cincinnati, you should look to book at least 24 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Ontario to Cincinnati?
Currently, June is the cheapest month in which you can book a flight from Ontario to Cincinnati (average of $71). Flying from Ontario to Cincinnati in November is currently the most expensive (average of $185). 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’s the top layover airport for flights from Ontario to Cincinnati?
Share of 1-stop round-trip flights from Ontario to Cincinnati chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 50% of 1-stop itineraries from Ontario to Cincinnati on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Cincinnati?
Average round-trip fare for 1-stop flights from Ontario to Cincinnati, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $243.
What’s the fastest layover option from Ontario to Cincinnati?
Shortest average travel time for 1-stop one-way flights from Ontario to Cincinnati, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 6h 40m.
Which airport typically offers the quickest layover for flights from Ontario to Cincinnati?
Average layover duration for 1-stop one-way flights from Ontario to Cincinnati, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 22m.
Reviews of airlines servicing Cincinnati
Get insights into the airlines that provide service to Cincinnati. 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 Cincinnati. Reviews last updated January 20, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Ontario to Cincinnati 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.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Cincinnati. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Cincinnati?
Book flights to Cincinnati if you plan to visit one of these locationsNewport
Florence
Sharonville
Mason
West Chester
Covington
Lawrenceburg
Fairfield
Blue Ash
Hebron
Williamstown
Sparta
Middletown
Edgewood
Oxford
Dry Ridge
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ontario to Cincinnati
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Ontario to Cincinnati
Discover the top 5 airlines that operate flights from Ontario to Cincinnati. 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 January 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$304 | Average$502 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$304 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$438 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$422 | FlexibilityNo cancel fee | On-time71% |