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Cheap flights from Ontario to Cincinnati from $96

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Cincinnati

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:30 am - 5:57 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
27h 27m1 stop Denver Intl
Frontier Logo
7:02 pm - 10:17 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
6h 15m1 stop Denver Intl
$193Frontier
Thu, Dec 3 - Wed, Dec 9
Frontier Logo
6:00 am - 5:57 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
8h 57m1 stop Denver Intl
Frontier Logo
7:02 pm - 10:17 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
6h 15m1 stop Denver Intl
$200Frontier
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
3:33 pm - 4:03 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
21h 30m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:11 am - 8:37 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
37h 26m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$208Multiple Airlines
Wed, Jan 6 - Mon, Jan 11
Multiple Airlines Logo
3:33 pm - 4:03 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
21h 30m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:11 am - 2:48 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
31h 37m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$213Multiple Airlines
Wed, Jan 6 - Fri, Jan 8
American Airlines Logo
10:32 am - 8:40 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
7h 08m1 stop Dallas/Fort Worth
American Airlines Logo
7:40 am - 1:24 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
8h 44m1 stop Dallas/Fort Worth
$385American Airlines
Wed, Dec 9 - Wed, Dec 16
Delta Logo
6:00 am - 3:30 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
6h 30m1 stop Salt Lake City
Delta Logo
7:35 pm - 11:57 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
7h 22m1 stop Salt Lake City
$385Delta
Thu, Dec 3 - Thu, Dec 3
Delta Logo
1:11 pm - 11:08 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
6h 57m1 stop Salt Lake City
Delta Logo
7:35 pm - 11:57 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
7h 22m1 stop Salt Lake City
$385Delta
Tue, Dec 1 - Thu, Dec 3
American Airlines Logo
1:30 pm - 10:59 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
6h 29m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
5:32 am - 12:38 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
10h 06m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
$390American Airlines
Tue, Dec 1 - Tue, Dec 8
United Airlines Logo
5:00 am - 4:37 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
8h 37m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
2:05 pm - 10:15 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
11h 10m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$395United Airlines
Thu, Jan 14 - Mon, Jan 18
United Airlines Logo
5:00 am - 4:37 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
8h 37m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
2:05 pm - 9:00 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
9h 55m2 stops Chicago O'Hare Intl Denver Intl
$395United Airlines
Tue, Jan 5 - Fri, Jan 8

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Frontier flights from Ontario to Cincinnati

Our best Frontier deals on Ontario to Cincinnati flight tickets
Frontier
Dec 3
ONT11:30 amOntario
27h 27m
1 stop
CVG5:57 pmCincinnati Cinci./N. Kentucky
Dec 9
CVG7:02 pmCincinnati Cinci./N. Kentucky
6h 15m
1 stop
ONT10:17 pmOntario
$193
Frontier
Dec 2
ONT6:00 amOntario
8h 57m
1 stop
CVG5:57 pmCincinnati Cinci./N. Kentucky
Dec 9
CVG7:02 pmCincinnati Cinci./N. Kentucky
6h 15m
1 stop
ONT10:17 pmOntario
$200
Frontier
Dec 9
ONT6:00 amOntario
8h 59m
1 stop
CVG5:59 pmCincinnati Cinci./N. Kentucky
Dec 14
CVG9:24 amCincinnati Cinci./N. Kentucky
28h 21m
2 stops
ONT10:45 amOntario
$211

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Cincinnati that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCincinnati

ONT Ontario - CVG Cincinnati Cinci./N. Kentucky

ONTCVG

Ontario

Thu 12/3

11:30 am-5:57 pm

1 stop27h 27m

Cincinnati Cinci./N. Kentucky

Wed 12/9

7:02 pm-10:17 pm

1 stop6h 15m

$193

OntarioCincinnati

ONT Ontario - CVG Cincinnati Cinci./N. Kentucky

ONTCVG

Ontario

Wed 12/2

6:00 am-5:57 pm

1 stop8h 57m

Cincinnati Cinci./N. Kentucky

Wed 12/9

7:02 pm-10:17 pm

1 stop6h 15m

$200

OntarioCincinnati

ONT Ontario - CVG Cincinnati Cinci./N. Kentucky

ONTCVG

Ontario

Wed 1/6

3:33 pm-4:03 pm

1 stop21h 30m

Cincinnati Cinci./N. Kentucky

Mon 1/11

10:11 am-8:37 pm

2 stops37h 26m

$208

OntarioCincinnati

ONT Ontario - CVG Cincinnati Cinci./N. Kentucky

ONTCVG

Ontario

Wed 1/6

3:33 pm-4:03 pm

1 stop21h 30m

Cincinnati Cinci./N. Kentucky

Fri 1/8

10:11 am-2:48 pm

2 stops31h 37m

$213

OntarioCincinnati

ONT Ontario - CVG Cincinnati Cinci./N. Kentucky

ONTCVG

Ontario

Wed 12/9

10:32 am-8:40 pm

1 stop7h 08m

Cincinnati Cinci./N. Kentucky

Wed 12/16

7:40 am-1:24 pm

1 stop8h 44m

$385
Quickest round-trip

OntarioCincinnati

ONT Ontario - CVG Cincinnati Cinci./N. Kentucky

ONTCVG

Ontario

Thu 12/3

6:00 am-3:30 pm

1 stop6h 30m

Cincinnati Cinci./N. Kentucky

Thu 12/3

7:35 pm-11:57 pm

1 stop7h 22m

$385

OntarioCincinnati

ONT Ontario - CVG Cincinnati Cinci./N. Kentucky

ONTCVG

Ontario

Tue 12/1

1:11 pm-11:08 pm

1 stop6h 57m

Cincinnati Cinci./N. Kentucky

Thu 12/3

7:35 pm-11:57 pm

1 stop7h 22m

$385

OntarioCincinnati

ONT Ontario - CVG Cincinnati Cinci./N. Kentucky

ONTCVG

Ontario

Tue 12/1

1:30 pm-10:59 pm

1 stop6h 29m

Cincinnati Cinci./N. Kentucky

Tue 12/8

5:32 am-12:38 pm

2 stops10h 06m

$390

OntarioCincinnati

ONT Ontario - CVG Cincinnati Cinci./N. Kentucky

ONTCVG

Ontario

Thu 1/14

5:00 am-4:37 pm

2 stops8h 37m

Cincinnati Cinci./N. Kentucky

Mon 1/18

2:05 pm-10:15 pm

2 stops11h 10m

$395

OntarioCincinnati

ONT Ontario - CVG Cincinnati Cinci./N. Kentucky

ONTCVG

Ontario

Tue 1/5

5:00 am-4:37 pm

2 stops8h 37m

Cincinnati Cinci./N. Kentucky

Fri 1/8

2:05 pm-9:00 pm

2 stops9h 55m

$395

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cincinnati from

How to get the cheapest flight ticket from Ontario to Cincinnati

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Ontario and Cincinnati?

Prices are currently low for flights on this route.

Typical prices usually range from $384 to $540.
The lowest price recently found on this route was $193.

What is the cheapest month to fly to Cincinnati?

The month of March is, on average, the cheapest month to fly to Cincinnati from Ontario, with most prices found around $360. If you aren’t able to travel to Cincinnati during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $401.

What is the cheapest day to depart on your flight to Cincinnati?

According to our data, Tuesday is the cheapest day to fly to Cincinnati from Ontario. The lowest ticket price found for a Tuesday departure recently was $426. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Monday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $544.

What is the cheapest time of day to depart on your flight to Cincinnati?

Our most recent data shows that the best time of day to fly to Cincinnati is in the afternoon. Flights from Ontario to Cincinnati during this time can be as low as $271. In the evening is when there is more demand to fly to Cincinnati, so prices are often more expensive at around $503 per ticket.

How have Ontario to Cincinnati flight prices changed over time?

As of November 2026, prices for Ontario to Cincinnati flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Ontario to Cincinnati

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Cincinnati according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Cincinnati (ONT to CVG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Cincinnati

Best Price Found

$96

Fastest flight time

5h 50m

Direct flights

None
The best one-way flight to Cincinnati from Ontario in the past 72 hours is $96. The best round-trip flight deal from Ontario to Cincinnati found on momondo in the last 72 hours is $193.
The fastest flight from Ontario to Cincinnati takes 5h 50m
There are no direct flights from Ontario to Cincinnati. There are no popular flight routes from Ontario to Cincinnati.
Search flight deals

Frequently asked questions about flying from Ontario to Cincinnati

  • How far is Ontario to Cincinnati Cinci./N. Kentucky by plane?

    The straight-line distance from Ontario to Cincinnati Cinci./N. Kentucky is 1859.2 mi. A reasonable flight in good conditions will take 5h 50m.

  • When did momondo last update prices for flights from Ontario Airport to Cincinnati Cinci./N. Kentucky Airport?

    Prices for flights from Ontario Airport to Cincinnati Cinci./N. Kentucky Airport were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Cincinnati Cinci./N. Kentucky Airport?

  • How old do you have to be to fly from Ontario Airport to Cincinnati Cinci./N. Kentucky Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Cincinnati Cinci./N. Kentucky Airport.

  • What documentation or ID do you need to fly to Cincinnati Cinci./N. Kentucky Airport?

    The travel and health documents required for your trip to Cincinnati Cinci./N. Kentucky Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cincinnati Cinci./N. Kentucky Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Cincinnati?

Best airlines flying from Ontario to Cincinnati

Compare and see reviews for airlines that fly from Ontario to Cincinnati with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $202Free CancellationRating
5.5
2,506 reviews
Search Frontier flights
American AirlinesPriceFrom $299Free CancellationRating
7.0
12,225 reviews
Search American Airlines flights
SouthwestPriceFrom $312Free CancellationRating
8.0
4,218 reviews
Search Southwest flights
DeltaPriceFrom $335Free CancellationRating
7.8
8,700 reviews
Search Delta flights
United AirlinesPriceFrom $366Free CancellationRating
7.3
10,475 reviews
Search United Airlines flights

Traveling to a place near Cincinnati?

Book flights to Cincinnati if you plan to visit one of these locations
Florence
Mason
Sharonville
Covington
Newport
Middletown
West Chester
Fairfield
Lawrenceburg
Williamstown
Blue Ash
Oxford
Hebron
Monroe
Dry Ridge
Trenton
Corinth
Edgewood
Bethel

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Cincinnati?

Finding the right flight to Cincinnati from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cincinnati quick and easy, saving you time and money.

Can I find flights from Ontario to Cincinnati with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cincinnati from Ontario with this policy.

How can momondo help me find flights from Ontario to Cincinnati?

momondo helps you find the best flight between Ontario and Cincinnati by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Cincinnati right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Cincinnati now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cincinnati and let you know when they change.

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