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Cheap flights from Cincinnati to Los Angeles from $82

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 Los Angeles departing on 4/7. 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

Enter your travel dates to find the best prices.
Frontier Logo
1:05 pm - 11:24 pm
CVG
-
ONT
13h 19m
1 stop
Frontier Logo
6:15 am - 7:23 pm
ONT
-
CVG
10h 08m
1 stop
$190Frontier
Thu, Apr 23 - Mon, Apr 27
Frontier Logo
7:35 am - 11:56 pm
CVG
-
ONT
19h 21m
1 stop
Frontier Logo
8:59 pm - 6:15 am
ONT
-
CVG
6h 16m
1 stop
$201Frontier
Fri, Apr 10 - Thu, Apr 16
Frontier Logo
7:59 pm - 7:31 am
CVG
-
ONT
14h 32m
1 stop
Frontier Logo
6:15 am - 7:23 pm
ONT
-
CVG
10h 08m
1 stop
$202Frontier
Thu, Apr 16 - Sun, Apr 19
Frontier Logo
7:20 am - 11:59 pm
CVG
-
ONT
19h 39m
1 stop
Frontier Logo
6:15 am - 2:24 pm
ONT
-
CVG
29h 09m
1 stop
$209Frontier
Tue, Mar 17 - Tue, Mar 24
Frontier Logo
7:59 pm - 11:55 pm
CVG
-
ONT
6h 56m
1 stop
Frontier Logo
8:59 pm - 6:15 am
ONT
-
CVG
6h 16m
1 stop
$211Frontier
Fri, Apr 17 - Sun, Apr 19
Frontier Logo
7:20 am - 11:59 pm
CVG
-
ONT
19h 39m
1 stop
Frontier Logo
6:15 am - 2:22 pm
ONT
-
CVG
29h 07m
1 stop
$220Frontier
Fri, Mar 20 - Tue, Mar 31
Frontier Logo
7:00 am - 11:59 pm
CVG
-
ONT
19h 59m
1 stop
Frontier Logo
2:06 pm - 12:59 am
ONT
-
CVG
7h 53m
1 stop
$222Frontier
Fri, Feb 27 - Mon, Mar 2
Frontier Logo
8:20 am - 11:59 pm
CVG
-
ONT
18h 39m
1 stop
Frontier Logo
6:15 am - 2:22 pm
ONT
-
CVG
29h 07m
1 stop
$224Frontier
Sat, Mar 21 - Tue, Mar 31
Frontier Logo
7:20 am - 11:59 pm
CVG
-
ONT
19h 39m
1 stop
Frontier Logo
2:06 pm - 6:01 am
ONT
-
CVG
12h 55m
1 stop
$225Frontier
Tue, Mar 10 - Thu, Mar 12
Frontier Logo
7:20 am - 11:59 pm
CVG
-
ONT
19h 39m
1 stop
Frontier Logo
2:23 pm - 2:24 pm
ONT
-
CVG
21h 01m
2 stops
$226Frontier
Tue, Mar 17 - Tue, Mar 24

Frontier flights from Cincinnati to Ontario

Our best Frontier deals on Cincinnati to Ontario flight tickets
Frontier
Apr 23
CVG1:05 pmCincinnati Cinci./N. Kentucky
13h 19m
1 stop
ONT11:24 pmOntario
Apr 27
ONT6:15 amOntario
10h 08m
1 stop
CVG7:23 pmCincinnati Cinci./N. Kentucky
$190
Frontier
Apr 10
CVG7:35 amCincinnati Cinci./N. Kentucky
19h 21m
1 stop
ONT11:56 pmOntario
Apr 16
ONT8:59 pmOntario
6h 16m
1 stop
CVG6:15 amCincinnati Cinci./N. Kentucky
$201
Frontier
Apr 16
CVG7:59 pmCincinnati Cinci./N. Kentucky
14h 32m
1 stop
ONT7:31 amOntario
Apr 19
ONT6:15 amOntario
10h 08m
1 stop
CVG7:23 pmCincinnati Cinci./N. Kentucky
$202

Delta flights from Cincinnati to Ontario

Our best Delta deals on Cincinnati to Ontario flight tickets
Delta
Mar 3
CVG4:07 pmCincinnati Cinci./N. Kentucky
7h 58m
1 stop
ONT9:05 pmOntario
Mar 17
ONT5:53 pmOntario
22h 11m
1 stop
CVG7:04 pmCincinnati Cinci./N. Kentucky
$435
Delta
Mar 3
CVG4:07 pmCincinnati Cinci./N. Kentucky
10h 42m
2 stops
ONT11:49 pmOntario
Mar 17
ONT5:53 pmOntario
22h 11m
1 stop
CVG7:04 pmCincinnati Cinci./N. Kentucky
$440
Delta
Feb 28
CVG2:19 pmCincinnati Cinci./N. Kentucky
9h 46m
1 stop
ONT9:05 pmOntario
Mar 7
ONT10:20 pmOntario
8h 17m
1 stop
CVG9:37 amCincinnati Cinci./N. Kentucky
$442

momondo Fare Finder

 
Customize your flight search to find flights from Cincinnati to Ontario 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, momondo users made 832,500 searches. Data last updated February 17, 2026.
Use the filters below to find and compare flights from Cincinnati to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 4/23

1:05 pm-11:24 pm

1 stop13h 19m

Ontario

Mon 4/27

6:15 am-7:23 pm

1 stop10h 08m

$190

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 4/10

7:35 am-11:56 pm

1 stop19h 21m

Ontario

Thu 4/16

8:59 pm-6:15 am

1 stop6h 16m

$201

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 4/16

7:59 pm-7:31 am

1 stop14h 32m

Ontario

Sun 4/19

6:15 am-7:23 pm

1 stop10h 08m

$202

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 3/17

7:20 am-11:59 pm

1 stop19h 39m

Ontario

Tue 3/24

6:15 am-2:24 pm

1 stop29h 09m

$209

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 4/17

7:59 pm-11:55 pm

1 stop6h 56m

Ontario

Sun 4/19

8:59 pm-6:15 am

1 stop6h 16m

$211

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 3/20

7:20 am-11:59 pm

1 stop19h 39m

Ontario

Tue 3/31

6:15 am-2:22 pm

1 stop29h 07m

$220

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 2/27

7:00 am-11:59 pm

1 stop19h 59m

Ontario

Mon 3/2

2:06 pm-12:59 am

1 stop7h 53m

$222

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Sat 3/21

8:20 am-11:59 pm

1 stop18h 39m

Ontario

Tue 3/31

6:15 am-2:22 pm

1 stop29h 07m

$224

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 3/10

7:20 am-11:59 pm

1 stop19h 39m

Ontario

Thu 3/12

2:06 pm-6:01 am

1 stop12h 55m

$225

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 3/17

7:20 am-11:59 pm

1 stop19h 39m

Ontario

Tue 3/24

2:23 pm-2:24 pm

2 stops21h 01m

$226

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 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, August 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 $319. If you aren’t able to travel during the month of August, then book flights to Ontario from Cincinnati during January instead. Flights to Ontario in January, while not as cheap as those in August, still average around $336.

How have Cincinnati to Ontario flight prices changed over time?

As of February 2026, prices for Cincinnati to Ontario flights are approximately 65% more expensive 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

Fastest flight time

6h 39m

Direct flights

None
The fastest flight from Cincinnati to Ontario takes 6h 39m
There are no direct flights from Cincinnati to Ontario. There are no popular flight routes from Cincinnati to Ontario.
Search flight deals

  • 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 39m.

  • 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 $140Free CancellationRating
5.7
3,048 reviews
Search Frontier flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
11,304 reviews
Search American Airlines flights
DeltaPriceFrom $312Free CancellationRating
7.9
8,208 reviews
Search Delta flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
9,312 reviews
Search United Airlines flights
SouthwestPriceFrom $318Free CancellationRating
8.0
4,294 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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