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Cheap flights from Cincinnati to Los Angeles 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 Los Angeles departing on 1/26. 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
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
1:09 pm - 5:48 pm
CVG
-
ONT
7h 39m1 stop
Frontier Logo
3:28 pm - 12:22 am
ONT
-
CVG
5h 54m1 stop
$181Frontier
Mon, Feb 23 - Mon, Mar 2
Frontier Logo
2:11 pm - 7:10 pm
CVG
-
ONT
7h 59m1 stop
Frontier Logo
1:05 pm - 12:28 am
ONT
-
CVG
8h 23m1 stop
$182Frontier
Mon, Feb 2 - Mon, Feb 9
Frontier Logo
6:10 am - 11:56 pm
CVG
-
ONT
20h 46m1 stop
Frontier Logo
1:05 pm - 11:58 pm
ONT
-
CVG
7h 53m1 stop
$183Frontier
Mon, Jan 12 - Mon, Feb 2
Frontier Logo
2:11 pm - 7:10 pm
CVG
-
ONT
7h 59m1 stop
Frontier Logo
6:20 am - 8:53 pm
ONT
-
CVG
11h 33m1 stop
$190Frontier
Mon, Feb 2 - Fri, Feb 6
Frontier Logo
7:00 am - 11:59 pm
CVG
-
ONT
19h 59m1 stop
Frontier Logo
11:17 am - 6:03 am
ONT
-
CVG
15h 46m1 stop
$202Frontier
Mon, Mar 2 - Mon, Mar 9
Frontier Logo
1:45 pm - 12:20 am
CVG
-
ONT
13h 35m1 stop
Frontier Logo
2:06 pm - 12:59 am
ONT
-
CVG
7h 53m1 stop
$203Frontier
Thu, Feb 5 - Thu, Feb 12
Frontier Logo
1:09 pm - 9:33 pm
CVG
-
ONT
11h 24m1 stop
Frontier Logo
7:17 pm - 11:59 pm
ONT
-
CVG
25h 42m1 stop
$213Frontier
Sun, Feb 22 - Wed, Feb 25
Frontier Logo
1:30 pm - 6:24 pm
CVG
-
ONT
7h 54m1 stop
Frontier Logo
8:31 am - 12:01 am
ONT
-
CVG
12h 30m1 stop
$217Frontier
Sun, Jan 11 - Mon, Jan 12
Frontier Logo
6:10 am - 11:56 pm
CVG
-
ONT
20h 46m1 stop
Frontier Logo
8:32 am - 12:30 am
ONT
-
CVG
12h 58m1 stop
$218Frontier
Mon, Jan 12 - Fri, Jan 16
Frontier Logo
1:45 pm - 12:20 am
CVG
-
ONT
13h 35m1 stop
Frontier Logo
6:20 am - 8:48 pm
ONT
-
CVG
11h 28m1 stop
$220Frontier
Mon, Jan 26 - Thu, Jan 29

Frontier flights from Cincinnati to Ontario

Our best Frontier deals on Cincinnati to Ontario flight tickets
Frontier
Feb 23
CVG1:09 pmCincinnati Cinci./N. Kentucky
7h 39m
1 stop
ONT5:48 pmOntario
Mar 2
ONT3:28 pmOntario
5h 54m
1 stop
CVG12:22 amCincinnati Cinci./N. Kentucky
$181
Find similar
Frontier
Feb 2
CVG2:11 pmCincinnati Cinci./N. Kentucky
7h 59m
1 stop
ONT7:10 pmOntario
Feb 5
ONT11:04 amOntario
9h 54m
1 stop
CVG11:58 pmCincinnati Cinci./N. Kentucky
$182
Find similar
Frontier
Jan 12
CVG6:10 amCincinnati Cinci./N. Kentucky
20h 46m
1 stop
ONT11:56 pmOntario
Jan 15
ONT2:34 pmOntario
6h 55m
1 stop
CVG12:29 amCincinnati Cinci./N. Kentucky
$183
Find similar

Alaska Airlines flights from Cincinnati to Ontario

Our best Alaska Airlines deals on Cincinnati to Ontario flight tickets
Alaska Airlines
Jan 27
CVG8:00 amCincinnati Cinci./N. Kentucky
10h 08m
1 stop
ONT3:08 pmOntario
Jan 30
ONT6:00 amOntario
10h 49m
1 stop
CVG7:49 pmCincinnati Cinci./N. Kentucky
$256
Find similar
Alaska Airlines
Feb 3
CVG8:00 amCincinnati Cinci./N. Kentucky
15h 36m
1 stop
ONT8:36 pmOntario
Feb 10
ONT4:03 pmOntario
24h 46m
1 stop
CVG7:49 pmCincinnati Cinci./N. Kentucky
$284
Find similar
Alaska Airlines
Feb 2
CVG8:00 amCincinnati Cinci./N. Kentucky
18h 56m
1 stop
ONT11:56 pmOntario
Feb 10
ONT11:53 amOntario
28h 56m
1 stop
CVG7:49 pmCincinnati Cinci./N. Kentucky
$294
Find similar

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 December 28, 2025.
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

Mon 2/23

1:09 pm-5:48 pm

1 stop7h 39m

Ontario

Mon 3/2

3:28 pm-12:22 am

1 stop5h 54m

$181

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 2/2

2:11 pm-7:10 pm

1 stop7h 59m

Ontario

Mon 2/9

1:05 pm-12:28 am

1 stop8h 23m

$182

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 1/12

6:10 am-11:56 pm

1 stop20h 46m

Ontario

Mon 2/2

1:05 pm-11:58 pm

1 stop7h 53m

$183

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 2/2

2:11 pm-7:10 pm

1 stop7h 59m

Ontario

Fri 2/6

6:20 am-8:53 pm

1 stop11h 33m

$190

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 3/2

7:00 am-11:59 pm

1 stop19h 59m

Ontario

Mon 3/9

11:17 am-6:03 am

1 stop15h 46m

$202

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 2/5

1:45 pm-12:20 am

1 stop13h 35m

Ontario

Thu 2/12

2:06 pm-12:59 am

1 stop7h 53m

$203

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Sun 2/22

1:09 pm-9:33 pm

1 stop11h 24m

Ontario

Wed 2/25

7:17 pm-11:59 pm

1 stop25h 42m

$213

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Sun 1/11

1:30 pm-6:24 pm

1 stop7h 54m

Ontario

Mon 1/12

8:31 am-12:01 am

1 stop12h 30m

$217

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 1/12

6:10 am-11:56 pm

1 stop20h 46m

Ontario

Fri 1/16

8:32 am-12:30 am

1 stop12h 58m

$218

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 1/26

1:45 pm-12:20 am

1 stop13h 35m

Ontario

Thu 1/29

6:20 am-8:48 pm

1 stop11h 28m

$220

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

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 $204. 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.

How have Cincinnati to Ontario flight prices changed over time?

As of December 2025, prices for Cincinnati to Ontario flights are approximately 148% 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

  • 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 $140Free CancellationRating
5.7
3,065 reviews
Search Frontier flights
American AirlinesPriceFrom $250Free CancellationRating
7.2
11,072 reviews
Search American Airlines flights
DeltaPriceFrom $312Free CancellationRating
7.9
8,019 reviews
Search Delta flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
9,113 reviews
Search United Airlines flights
SouthwestPriceFrom $321Free CancellationRating
8.0
4,256 reviews
Search Southwest flights

  • Southwest Flights From Cincinnati to Ontario

    Southwest flight deals from Cincinnati to Ontario start from $321 round-trip. Over the 1 Southwest flight for this route in a normal week, average airfare is usually $426 round-trip - but some users have found much cheaper deals with momondo.

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.

An easier way to manage your Ontario trip

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