Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Cincinnati to Los Angeles from $65

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 11/20. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Cincinnati to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:05 am - 11:10 amCVG-ONT
8h 05m1 stop
Frontier Logo
7:44 pm - 6:54 amONT-CVG
8h 10m1 stop
$130Frontier
Find Deal
Mon, Nov 10 - Thu, Nov 13
Frontier Logo
9:30 pm - 12:51 pmCVG-ONT
18h 21m1 stop
Frontier Logo
8:00 am - 6:54 amONT-CVG
19h 54m1 stop
$131Frontier
Find Deal
Thu, Nov 13 - Wed, Nov 19
Frontier Logo
10:24 am - 9:29 pmCVG-ONT
14h 05m1 stop
Frontier Logo
4:05 pm - 10:08 pmONT-CVG
27h 03m1 stop
$150Frontier
Find Deal
Wed, Nov 12 - Mon, Nov 17
Frontier Logo
10:24 am - 9:29 pmCVG-ONT
14h 05m1 stop
Frontier Logo
8:45 am - 10:08 pmONT-CVG
10h 23m1 stop
$176Frontier
Find Deal
Tue, Nov 11 - Tue, Nov 18
Frontier Logo
9:52 am - 11:50 pmCVG-ONT
16h 58m1 stop
Frontier Logo
6:00 am - 1:15 pmONT-CVG
28h 15m1 stop
$196Frontier
Find Deal
Sat, Nov 15 - Sat, Jan 31
Delta Logo
7:59 pm - 11:52 pmCVG-ONT
6h 53m1 stop
Delta Logo
6:00 am - 3:10 pmONT-CVG
6h 10m1 stop
$307Delta
Find Deal
Mon, Nov 24 - Wed, Dec 3
Delta Logo
6:10 am - 12:18 pmCVG-ONT
9h 08m2 stops
Delta Logo
6:00 am - 3:10 pmONT-CVG
6h 10m1 stop
$312Delta
Find Deal
Thu, Nov 27 - Wed, Dec 3
United Airlines Logo
3:29 pm - 10:53 pmCVG-ONT
10h 24m2 stops
United Airlines Logo
5:00 am - 2:15 pmONT-CVG
6h 15m1 stop
$324United Airlines
Find Deal
Tue, Jan 27 - Thu, Feb 12
Southwest Logo
1:35 pm - 9:05 pmCVG-ONT
10h 30m2 stops
Southwest Logo
7:10 am - 10:35 pmONT-CVG
12h 25m2 stops
$335Southwest
Find Deal
Tue, Jan 27 - Thu, Feb 12
American Airlines Logo
6:00 am - 9:54 amCVG-ONT
6h 54m1 stop
American Airlines Logo
6:00 am - 4:07 pmONT-CVG
7h 07m1 stop
$340American Airlines
Find Deal
Fri, Dec 12 - Sat, Dec 13

Frontier flights from Cincinnati to Ontario

Our best Frontier deals on Cincinnati to Ontario flight tickets
Frontier
Nov 10
CVG6:05 amCincinnati Cinci./N. Kentucky
8h 05m
1 stop
ONT11:10 amOntario
Nov 13
ONT7:44 pmOntario
8h 10m
1 stop
CVG6:54 amCincinnati Cinci./N. Kentucky
$130
Find similar
Frontier
Nov 13
CVG9:30 pmCincinnati Cinci./N. Kentucky
18h 21m
1 stop
ONT12:51 pmOntario
Nov 19
ONT8:00 amOntario
19h 54m
1 stop
CVG6:54 amCincinnati Cinci./N. Kentucky
$131
Find similar
Frontier
Nov 12
CVG10:24 amCincinnati Cinci./N. Kentucky
14h 05m
1 stop
ONT9:29 pmOntario
Nov 17
ONT4:05 pmOntario
27h 03m
1 stop
CVG10:08 pmCincinnati Cinci./N. Kentucky
$150
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
Feb 12
ONT6:00 amOntario
8h 10m
1 stop
CVG5:10 pmCincinnati Cinci./N. Kentucky
$298
Find similar
Alaska Airlines
Feb 5
CVG8:00 amCincinnati Cinci./N. Kentucky
10h 08m
1 stop
ONT3:08 pmOntario
Feb 15
ONT6:00 amOntario
8h 10m
1 stop
CVG5:10 pmCincinnati Cinci./N. Kentucky
$306
Find similar
Alaska Airlines
Oct 31
CVG6:25 amCincinnati Cinci./N. Kentucky
11h 52m
2 stops
ONT3:17 pmOntario
Nov 2
ONT5:00 amOntario
8h 30m
1 stop
CVG4:30 pmCincinnati Cinci./N. Kentucky
$1,152
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 October 29, 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 11/10

6:05 am-11:10 am

1 stop8h 05m

Ontario

Thu 11/13

7:44 pm-6:54 am

1 stop8h 10m

$130

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 11/13

9:30 pm-12:51 pm

1 stop18h 21m

Ontario

Wed 11/19

8:00 am-6:54 am

1 stop19h 54m

$131

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 11/12

10:24 am-9:29 pm

1 stop14h 05m

Ontario

Mon 11/17

4:05 pm-10:08 pm

1 stop27h 03m

$150

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 11/11

10:24 am-9:29 pm

1 stop14h 05m

Ontario

Tue 11/18

8:45 am-10:08 pm

1 stop10h 23m

$176

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Sat 11/15

9:52 am-11:50 pm

1 stop16h 58m

Ontario

Sat 1/31

6:00 am-1:15 pm

1 stop28h 15m

$196

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 11/24

7:59 pm-11:52 pm

1 stop6h 53m

Ontario

Wed 12/3

6:00 am-3:10 pm

1 stop6h 10m

$307

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 11/27

6:10 am-12:18 pm

2 stops9h 08m

Ontario

Wed 12/3

6:00 am-3:10 pm

1 stop6h 10m

$312

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 1/27

3:29 pm-10:53 pm

2 stops10h 24m

Ontario

Thu 2/12

5:00 am-2:15 pm

1 stop6h 15m

$324

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 1/27

1:35 pm-9:05 pm

2 stops10h 30m

Ontario

Thu 2/12

7:10 am-10:35 pm

2 stops12h 25m

$335

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 12/12

6:00 am-9:54 am

1 stop6h 54m

Ontario

Sat 12/13

6:00 am-4:07 pm

1 stop7h 07m

$340

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $373 when searching 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 $321 on momondo.

How have Cincinnati to Ontario flight prices changed over time?

As of October 2025, prices for Cincinnati to Ontario flights are approximately 28% 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

Direct flights

None
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 30m.

  • 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
5.8
3,124 reviews
Search Frontier flights
American AirlinesPriceFrom $250Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
DeltaPriceFrom $312Free CancellationRating
7.9
7,992 reviews
Search Delta flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
SouthwestPriceFrom $321Free CancellationRating
8.0
4,241 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.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 11/28
Fri 12/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States