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Cheap flights from Cincinnati to Los Angeles from $76

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 5/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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
8:17 pm - 11:55 pm
CVG
-
ONT
6h 38m
1 stop
Frontier Logo
8:20 pm - 5:53 am
ONT
-
CVG
6h 33m
1 stop
$160Frontier
Thu, Apr 30 - Fri, May 1
Frontier Logo
8:40 pm - 7:32 pm
CVG
-
ONT
25h 52m
1 stop
Frontier Logo
8:43 am - 6:17 pm
ONT
-
CVG
6h 34m
1 stop
$162Frontier
Thu, May 14 - Sat, May 23
Frontier Logo
8:17 pm - 11:55 pm
CVG
-
ONT
6h 38m
1 stop
Frontier Logo
12:59 am - 8:24 pm
ONT
-
CVG
16h 25m
1 stop
$167Frontier
Thu, Apr 30 - Sun, May 3
Frontier Logo
9:29 pm - 10:05 am
CVG
-
ONT
15h 36m
1 stop
Frontier Logo
6:00 am - 11:55 am
ONT
-
CVG
26h 55m
1 stop
$171Frontier
Mon, May 4 - Sun, May 10
Frontier Logo
8:38 pm - 8:04 am
CVG
-
ONT
14h 26m
1 stop
Frontier Logo
12:59 am - 8:24 pm
ONT
-
CVG
16h 25m
1 stop
$182Frontier
Thu, Apr 30 - Sun, May 3
Frontier Logo
12:46 pm - 7:35 am
CVG
-
ONT
21h 49m
2 stops
Frontier Logo
3:34 pm - 7:47 pm
ONT
-
CVG
25h 13m
1 stop
$191Frontier
Mon, Jun 1 - Tue, Jun 9
Frontier Logo
1:48 pm - 10:05 am
CVG
-
ONT
23h 17m
2 stops
Frontier Logo
6:00 am - 12:00 pm
ONT
-
CVG
27h 00m
1 stop
$195Frontier
Tue, May 5 - Tue, May 12
Frontier Logo
8:38 pm - 7:25 pm
CVG
-
ONT
25h 47m
1 stop
Frontier Logo
6:00 am - 11:55 am
ONT
-
CVG
26h 55m
1 stop
$205Frontier
Thu, Apr 30 - Thu, May 7
Frontier Logo
1:30 pm - 11:43 pm
CVG
-
ONT
13h 13m
1 stop
Frontier Logo
8:20 pm - 5:53 am
ONT
-
CVG
6h 33m
1 stop
$206Frontier
Mon, Apr 27 - Fri, May 1
Frontier Logo
8:38 pm - 10:44 am
CVG
-
ONT
17h 06m
1 stop
Frontier Logo
8:06 pm - 11:04 am
ONT
-
CVG
35h 58m
2 stops
$207Frontier
Fri, May 1 - Tue, May 5

Frontier flights from Cincinnati to Ontario

Our best Frontier deals on Cincinnati to Ontario flight tickets
Frontier
Apr 30
CVG8:17 pmCincinnati Cinci./N. Kentucky
6h 38m
1 stop
ONT11:55 pmOntario
May 1
ONT8:20 pmOntario
6h 33m
1 stop
CVG5:53 amCincinnati Cinci./N. Kentucky
$160
Frontier
May 14
CVG8:40 pmCincinnati Cinci./N. Kentucky
25h 52m
1 stop
ONT7:32 pmOntario
May 23
ONT8:43 amOntario
6h 34m
1 stop
CVG6:17 pmCincinnati Cinci./N. Kentucky
$162
Frontier
Apr 30
CVG8:17 pmCincinnati Cinci./N. Kentucky
6h 38m
1 stop
ONT11:55 pmOntario
May 3
ONT12:59 amOntario
16h 25m
1 stop
CVG8:24 pmCincinnati Cinci./N. Kentucky
$167

American Airlines flights from Cincinnati to Ontario

Our best American Airlines deals on Cincinnati to Ontario flight tickets
American Airlines
Apr 22
CVG3:35 pmCincinnati Cinci./N. Kentucky
8h 32m
1 stop
ONT9:07 pmOntario
Apr 27
ONT12:19 pmOntario
7h 05m
1 stop
CVG10:24 pmCincinnati Cinci./N. Kentucky
$607
American Airlines
Apr 22
CVG9:26 amCincinnati Cinci./N. Kentucky
9h 56m
2 stops
ONT4:22 pmOntario
Apr 27
ONT12:19 pmOntario
7h 05m
1 stop
CVG10:24 pmCincinnati Cinci./N. Kentucky
$612
American Airlines
Apr 21
CVG8:13 amCincinnati Cinci./N. Kentucky
8h 05m
1 stop
ONT1:18 pmOntario
May 3
ONT11:59 pmOntario
8h 48m
1 stop
CVG11:47 amCincinnati Cinci./N. Kentucky
$630

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 April 13, 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

Cheapest round-trip
Quickest round-trip

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 4/30

8:17 pm-11:55 pm

1 stop6h 38m

Ontario

Fri 5/1

8:20 pm-5:53 am

1 stop6h 33m

$160

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 5/14

8:40 pm-7:32 pm

1 stop25h 52m

Ontario

Sat 5/23

8:43 am-6:17 pm

1 stop6h 34m

$162

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 4/30

8:17 pm-11:55 pm

1 stop6h 38m

Ontario

Sun 5/3

12:59 am-8:24 pm

1 stop16h 25m

$167

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 5/4

9:29 pm-10:05 am

1 stop15h 36m

Ontario

Sun 5/10

6:00 am-11:55 am

1 stop26h 55m

$171

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 4/30

8:38 pm-8:04 am

1 stop14h 26m

Ontario

Sun 5/3

12:59 am-8:24 pm

1 stop16h 25m

$182

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 6/1

12:46 pm-7:35 am

2 stops21h 49m

Ontario

Tue 6/9

3:34 pm-7:47 pm

1 stop25h 13m

$191

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 5/5

1:48 pm-10:05 am

2 stops23h 17m

Ontario

Tue 5/12

6:00 am-12:00 pm

1 stop27h 00m

$195

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 4/30

8:38 pm-7:25 pm

1 stop25h 47m

Ontario

Thu 5/7

6:00 am-11:55 am

1 stop26h 55m

$205

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 4/27

1:30 pm-11:43 pm

1 stop13h 13m

Ontario

Fri 5/1

8:20 pm-5:53 am

1 stop6h 33m

$206

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 5/1

8:38 pm-10:44 am

1 stop17h 06m

Ontario

Tue 5/5

8:06 pm-11:04 am

2 stops35h 58m

$207

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Cincinnati and Ontario?

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 September instead. Flights to Ontario in September, while not as cheap as those in August, still average around $320.

How have Cincinnati to Ontario flight prices changed over time?

As of April 2026, prices for Cincinnati to Ontario flights are approximately 42% 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 49m

Direct flights

None
The fastest flight from Cincinnati to Ontario takes 6h 49m
There are no direct flights from Cincinnati to Ontario. There are no popular flight routes from Cincinnati to Ontario.
Search flight deals

Frequently asked questions about flying from Cincinnati to Ontario

  • 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 49m.

  • 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 $157Free CancellationRating
5.7
2,993 reviews
Search Frontier flights
American AirlinesPriceFrom $215Free CancellationRating
7.1
11,569 reviews
Search American Airlines flights
DeltaPriceFrom $312Free CancellationRating
7.9
8,406 reviews
Search Delta flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
9,579 reviews
Search United Airlines flights
SouthwestPriceFrom $318Free CancellationRating
8.0
4,331 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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