Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Cincinnati to Los Angeles from $92

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 8/12. 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

American Airlines Logo
5:46 pm - 9:39 pmCVG-ONT
6h 53m1 stop
American Airlines Logo
11:59 pm - 10:17 amONT-CVG
7h 18m1 stop
$183American Airlines
Find Deal
jue., ago. 7 - mié., ago. 13
Southwest Logo
1:15 pm - 6:25 pmCVG-ONT
8h 10m1 stop
Southwest Logo
10:55 am - 10:25 pmONT-CVG
8h 30m1 stop
$184Southwest
Find Deal
mié., ago. 27 - mar., sep. 2
American Airlines Logo
5:50 pm - 9:38 pmCVG-ONT
6h 48m1 stop
American Airlines Logo
10:50 am - 11:06 pmONT-CVG
9h 16m1 stop
$185American Airlines
Find Deal
lun., ago. 4 - mar., ago. 12
Hawaiian Airlines Logo
6:37 pm - 12:15 amCVG-ONT
8h 38m1 stop
Hawaiian Airlines Logo
6:58 pm - 7:07 amONT-CVG
9h 09m1 stop
$202Hawaiian Airlines
Find Deal
mié., ago. 6 - mié., ago. 13
Alaska Airlines Logo
6:37 pm - 12:15 amCVG-ONT
8h 38m1 stop
Alaska Airlines Logo
6:58 pm - 7:07 amONT-CVG
9h 09m1 stop
$203Alaska Airlines
Find Deal
mié., ago. 6 - mié., ago. 13
Alaska Airlines Logo
6:37 pm - 12:15 amCVG-ONT
8h 38m1 stop
Alaska Airlines Logo
6:58 pm - 7:07 amONT-CVG
9h 09m1 stop
$219Alaska Airlines
Find Deal
jue., ago. 7 - vie., ago. 15
Frontier Logo
3:20 pm - 7:54 pmCVG-ONT
7h 34m1 stop
Frontier Logo
12:19 pm - 9:59 pmONT-CVG
6h 40m1 stop
$234Frontier
Find Deal
jue., sep. 4 - lun., sep. 8
Hawaiian Airlines Logo
6:37 pm - 12:15 amCVG-ONT
8h 38m1 stop
Hawaiian Airlines Logo
6:58 pm - 7:07 amONT-CVG
9h 09m1 stop
$238Hawaiian Airlines
Find Deal
jue., ago. 14 - lun., ago. 18
Frontier Logo
8:00 am - 7:54 pmCVG-ONT
14h 54m1 stop
Frontier Logo
8:59 pm - 1:40 amONT-CVG
25h 41m1 stop
$244Frontier
Find Deal
sáb., sep. 6 - dom., sep. 7
Delta Logo
7:55 pm - 11:42 pmCVG-ONT
6h 47m1 stop
Delta Logo
1:15 pm - 11:03 pmONT-CVG
6h 48m1 stop
$277Delta
Find Deal
vie., sep. 12 - lun., sep. 15

Frontier flights from Cincinnati to Ontario

Our best Frontier deals on Cincinnati to Ontario flight tickets
Frontier
Sep 4
CVG3:20 pmCincinnati Cinci./N. Kentucky
7h 34m
1 stop
ONT7:54 pmOntario
Sep 8
ONT12:19 pmOntario
6h 40m
1 stop
CVG9:59 pmCincinnati Cinci./N. Kentucky
$234
Find similar
Frontier
Sep 6
CVG8:00 amCincinnati Cinci./N. Kentucky
14h 54m
1 stop
ONT7:54 pmOntario
Sep 7
ONT8:59 pmOntario
25h 41m
1 stop
CVG1:40 amCincinnati Cinci./N. Kentucky
$244
Find similar
Frontier
Aug 1
CVG3:44 pmCincinnati Cinci./N. Kentucky
27h 36m
1 stop
ONT4:20 pmOntario
Aug 4
ONT6:00 amOntario
15h 59m
1 stop
CVG12:59 amCincinnati Cinci./N. Kentucky
$249
Find similar

Alaska Airlines flights from Cincinnati to Ontario

Our best Alaska Airlines deals on Cincinnati to Ontario flight tickets
Alaska Airlines
Aug 6
CVG6:37 pmCincinnati Cinci./N. Kentucky
8h 38m
1 stop
ONT12:15 amOntario
Aug 13
ONT6:58 pmOntario
9h 09m
1 stop
CVG7:07 amCincinnati Cinci./N. Kentucky
$203
Find similar
Alaska Airlines
Aug 7
CVG6:37 pmCincinnati Cinci./N. Kentucky
8h 38m
1 stop
ONT12:15 amOntario
Aug 15
ONT6:58 pmOntario
9h 09m
1 stop
CVG7:07 amCincinnati Cinci./N. Kentucky
$219
Find similar
Alaska Airlines
Aug 8
CVG6:37 pmCincinnati Cinci./N. Kentucky
8h 38m
1 stop
ONT12:15 amOntario
Aug 15
ONT6:58 pmOntario
9h 09m
1 stop
CVG7:07 amCincinnati Cinci./N. Kentucky
$236
Find similar

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 $383 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 $303 on momondo.

How have Cincinnati to Ontario flight prices changed over time?

As of July 2025, prices for Cincinnati to Ontario flights are approximately 23% 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

Best Price Found

$92

Fastest flight time

5h 55m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Cincinnati in the past 72 hours is $92. The best round-trip flight deal from Cincinnati to Ontario found on momondo in the last 72 hours is $183.
The fastest flight from Cincinnati to Ontario takes 5h 55m
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)
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 5h 55m.

  • 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
3,271 reviews
Search Frontier flights
American AirlinesPriceFrom $254Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $312Free CancellationRating
8.0
7,952 reviews
Search Delta flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights
SouthwestPriceFrom $377Free CancellationRating
8.0
4,250 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
mar. 7/15
mar. 7/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States