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Cheap flights from Cincinnati to Ontario from $119

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 5/4. 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
5:39 pm - 11:59 pmCVG-ONT
9h 20m1 stop
Frontier Logo
10:52 am - 5:00 amONT-CVG
15h 08m1 stop
$221Frontier
Find Deal
Thu, May 1 - Thu, May 8
Frontier Logo
10:30 am - 5:24 pmCVG-ONT
9h 54m1 stop
Frontier Logo
2:28 pm - 5:00 amONT-CVG
11h 32m1 stop
$240Frontier
Find Deal
Fri, Apr 25 - Sun, May 4
American Airlines Logo
5:35 am - 10:04 amCVG-ONT
7h 29m1 stop
American Airlines Logo
6:23 am - 7:34 pmONT-CVG
10h 11m2 stops
$318American Airlines
Find Deal
Tue, Jul 1 - Fri, Jul 4
American Airlines Logo
6:30 am - 12:00 pmCVG-ONT
8h 30m2 stops
American Airlines Logo
6:23 am - 7:34 pmONT-CVG
10h 11m2 stops
$323American Airlines
Find Deal
Tue, Jul 1 - Fri, Jul 4
Delta Logo
12:37 pm - 7:28 pmCVG-ONT
9h 51m1 stop
Delta Logo
6:00 am - 3:06 pmONT-CVG
6h 06m1 stop
$326Delta
Find Deal
Sat, Apr 26 - Tue, May 6
Delta Logo
5:09 pm - 10:36 pmCVG-ONT
8h 27m1 stop
Delta Logo
1:20 pm - 10:56 pmONT-CVG
6h 36m1 stop
$332Delta
Find Deal
Thu, Apr 24 - Tue, May 6
United Airlines Logo
3:31 pm - 8:54 pmCVG-ONT
8h 23m1 stop
United Airlines Logo
5:05 am - 2:29 pmONT-CVG
6h 24m1 stop
$354United Airlines
Find Deal
Tue, Jul 1 - Fri, Jul 4
Southwest Logo
8:50 pm - 11:55 pmCVG-ONT
6h 05m1 stop
Southwest Logo
10:25 am - 9:25 pmONT-CVG
8h 00m1 stop
$392Southwest
Find Deal
Mon, Jun 30 - Fri, Jul 4
United Airlines Logo
11:25 am - 5:25 pmCVG-ONT
9h 00m2 stops
United Airlines Logo
7:00 am - 7:02 pmONT-CVG
9h 02m1 stop
$394United Airlines
Find Deal
Tue, Jul 1 - Thu, Jul 3
Southwest Logo
8:50 pm - 11:55 pmCVG-ONT
6h 05m1 stop
Southwest Logo
5:15 am - 5:05 pmONT-CVG
8h 50m2 stops
$432Southwest
Find Deal
Mon, Jun 30 - Thu, Jul 3

Frontier flights from Cincinnati to Ontario

Our best Frontier deals on Cincinnati to Ontario flight tickets
Frontier
May 1
CVG5:39 pmCincinnati Cinci./N. Kentucky
9h 20m
1 stop
ONT11:59 pmOntario
May 8
ONT10:52 amOntario
15h 08m
1 stop
CVG5:00 amCincinnati Cinci./N. Kentucky
Frontier
Apr 25
CVG10:30 amCincinnati Cinci./N. Kentucky
9h 54m
1 stop
ONT5:24 pmOntario
May 4
ONT2:28 pmOntario
11h 32m
1 stop
CVG5:00 amCincinnati Cinci./N. Kentucky
Frontier
Apr 21
CVG3:47 pmCincinnati Cinci./N. Kentucky
11h 12m
1 stop
ONT11:59 pmOntario
May 5
ONT2:28 pmOntario
11h 32m
1 stop
CVG5:00 amCincinnati Cinci./N. Kentucky

American Airlines flights from Cincinnati to Ontario

Our best American Airlines deals on Cincinnati to Ontario flight tickets
American Airlines
Jul 1
CVG5:35 amCincinnati Cinci./N. Kentucky
7h 29m
1 stop
ONT10:04 amOntario
Jul 4
ONT6:23 amOntario
10h 11m
2 stops
CVG7:34 pmCincinnati Cinci./N. Kentucky
American Airlines
Jul 1
CVG6:30 amCincinnati Cinci./N. Kentucky
8h 30m
2 stops
ONT12:00 pmOntario
Jul 4
ONT6:23 amOntario
10h 11m
2 stops
CVG7:34 pmCincinnati Cinci./N. Kentucky
American Airlines
May 25
CVG5:21 amCincinnati Cinci./N. Kentucky
7h 37m
1 stop
ONT9:58 amOntario
May 29
ONT10:00 amOntario
9h 09m
2 stops
CVG10:09 pmCincinnati 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 $301.

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 12 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $388 when searching 12 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 $339 on momondo.

How have Cincinnati to Ontario flight prices changed over time?

As of April 2025, prices for Cincinnati to Ontario flights are approximately 4% 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

$119

Fastest flight time

6h 05m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Cincinnati in the past 72 hours is $119. The best round-trip flight deal from Cincinnati to Ontario found on momondo in the last 72 hours is $221.
The fastest flight from Cincinnati to Ontario takes 6h 05m
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 $148Free CancellationRating
5.9
3,276 reviews
Search Frontier flights
American AirlinesPriceFrom $287Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $316Free CancellationRating
8.0
7,901 reviews
Search Delta flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
8,621 reviews
Search United Airlines flights
SouthwestPriceFrom $377Free CancellationRating
8.0
4,276 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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