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Cheap flights from Cincinnati to Ontario from $85

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cincinnati to Ontario departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Cincinnati to Los Angeles

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Cincinnati to Los Angeles.
Frontier Logo
5:55 pm - 11:59 pmCVG-ONT
9h 04m1 stop
Frontier Logo
2:28 pm - 5:00 amONT-CVG
11h 32m1 stop
$198Frontier
Find Deal
Fri, May 16 - Mon, May 19
Frontier Logo
7:51 pm - 12:08 pmCVG-ONT
19h 17m1 stop
Frontier Logo
2:28 pm - 5:00 amONT-CVG
11h 32m1 stop
$201Frontier
Find Deal
Mon, May 5 - Mon, May 19
Delta Logo
5:55 pm - 10:25 pmCVG-ONT
7h 30m1 stop
Delta Logo
10:05 pm - 1:26 pmONT-CVG
12h 21m2 stops
$318Delta
Find Deal
Tue, Jul 1 - Thu, Jul 3
Delta Logo
2:06 pm - 11:21 pmCVG-ONT
12h 15m2 stops
Delta Logo
10:05 pm - 1:26 pmONT-CVG
12h 21m2 stops
$323Delta
Find Deal
Tue, Jul 1 - Thu, Jul 3
American Airlines Logo
2:14 pm - 6:36 pmCVG-ONT
7h 22m1 stop
American Airlines Logo
11:59 pm - 10:52 amONT-CVG
7h 53m1 stop
$366American Airlines
Find Deal
Mon, Jun 2 - Mon, Jun 2
American Airlines Logo
5:21 am - 9:58 amCVG-ONT
7h 37m1 stop
American Airlines Logo
1:14 pm - 12:12 amONT-CVG
7h 58m2 stops
$368American Airlines
Find Deal
Sun, May 18 - Sun, May 25
Southwest Logo
5:40 am - 3:05 pmCVG-ONT
12h 25m1 stop
Southwest Logo
9:20 pm - 12:15 pmONT-CVG
11h 55m1 stop
$388Southwest
Find Deal
Wed, Jun 11 - Thu, Jun 19
Southwest Logo
6:30 am - 12:25 pmCVG-ONT
8h 55m2 stops
Southwest Logo
12:55 pm - 11:25 pmONT-CVG
7h 30m2 stops
$421Southwest
Find Deal
Wed, Jun 11 - Thu, Jun 19
United Airlines Logo
5:56 pm - 10:26 pmCVG-ONT
7h 30m1 stop
United Airlines Logo
7:00 am - 8:48 pmONT-CVG
10h 48m1 stop
$423United Airlines
Find Deal
Wed, Jun 4 - Mon, Jun 9
United Airlines Logo
6:00 am - 12:14 pmCVG-ONT
9h 14m2 stops
United Airlines Logo
7:00 am - 11:44 pmONT-CVG
13h 44m1 stop
$428United Airlines
Find Deal
Tue, Jun 10 - Thu, Jun 19

Frontier flights from Cincinnati to Ontario

Our best Frontier deals on Cincinnati to Ontario flight tickets
Frontier
Apr 26
CVG5:39 pmCincinnati Cinci./N. Kentucky
9h 20m
1 stop
ONT11:59 pmOntario
Apr 28
ONT2:42 pmOntario
12h 04m
1 stop
CVG5:46 amCincinnati Cinci./N. Kentucky
Frontier
May 16
CVG5:55 pmCincinnati Cinci./N. Kentucky
9h 04m
1 stop
ONT11:59 pmOntario
May 19
ONT2:28 pmOntario
11h 32m
1 stop
CVG5:00 amCincinnati Cinci./N. Kentucky
Frontier
May 1
CVG7:51 pmCincinnati Cinci./N. Kentucky
20h 25m
1 stop
ONT1:16 pmOntario
May 4
ONT12:59 amOntario
20h 24m
1 stop
CVG12:23 amCincinnati Cinci./N. Kentucky

American Airlines flights from Cincinnati to Ontario

Our best American Airlines deals on Cincinnati to Ontario flight tickets
American Airlines
Jun 2
CVG2:14 pmCincinnati Cinci./N. Kentucky
7h 22m
1 stop
ONT6:36 pmOntario
Jun 2
ONT11:59 pmOntario
7h 53m
1 stop
CVG10:52 amCincinnati Cinci./N. Kentucky
American Airlines
May 18
CVG5:21 amCincinnati Cinci./N. Kentucky
7h 37m
1 stop
ONT9:58 amOntario
May 25
ONT1:14 pmOntario
7h 58m
2 stops
CVG12:12 amCincinnati Cinci./N. Kentucky
American Airlines
May 25
CVG11:45 amCincinnati Cinci./N. Kentucky
9h 38m
2 stops
ONT6:23 pmOntario
May 29
ONT1:14 pmOntario
7h 58m
2 stops
CVG12:12 amCincinnati Cinci./N. Kentucky

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Cincinnati to Ontario

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 cheapest month to fly to Ontario?

In general, January is the cheapest month to fly from Cincinnati to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $276. If you aren’t able to travel during the month of January, then book flights to Ontario from Cincinnati during March instead. Flights to Ontario in March, while not as cheap as those in January, still average around $312.

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

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $366. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Cincinnati to Ontario for around $451.

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

At noon is the cheapest time of day to fly from Cincinnati to Ontario when you can find flight prices for as low as $306. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $415 on average. Flights to Ontario from Cincinnati in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Ontario from Cincinnati when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $386 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Cincinnati for as low as $322 on momondo.

How have Cincinnati to Ontario flight prices changed over time?

As of April 2025, prices for Cincinnati to Ontario flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from Cincinnati to Ontario

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

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

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

Best Price Found

$85

Fastest flight time

6h 00m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Cincinnati in the past 72 hours is $85. The best round-trip flight deal from Cincinnati to Ontario found on momondo in the last 72 hours is $198.
The fastest flight from Cincinnati to Ontario takes 6h 00m
There are no direct flights from Cincinnati to Ontario. Popular non-direct route for this connection is Cincinnati Cinci./N. Kentucky Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

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

    The distance between Cincinnati Cinci./N. Kentucky and Ontario is about 1859.2 mi. In terms of flight time, this usually takes a little over 6h 05m.

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

    Prices for flights from Cincinnati Cinci./N. Kentucky Airport to Ontario Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cincinnati Cinci./N. Kentucky Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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


Best airlines flying from Cincinnati to Ontario

Compare and see reviews for airlines that fly from Cincinnati to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $150Free CancellationRating
5.9
3,283 reviews
Search Frontier flights
American AirlinesPriceFrom $287Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $314Free CancellationRating
8.0
7,920 reviews
Search Delta flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
SouthwestPriceFrom $377Free CancellationRating
8.0
4,289 reviews
Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cincinnati to Ontario for you.

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

Yes. momondo allows you to filter the results for Cincinnati to Ontario flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Cincinnati and Ontario 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 Cincinnati to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Cincinnati. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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