Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Cincinnati to Los Angeles from $134

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 8/25. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Cincinnati to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:25 pm - 11:55 pm
CVG
-
ONT
14h 30m
1 stop
Frontier Logo
9:49 pm - 8:21 pm
ONT
-
CVG
19h 32m
1 stop
$248Frontier
Tue, Sep 15 - Wed, Sep 23
Multiple Airlines Logo
10:29 pm - 8:03 am
CVG
-
ONT
12h 34m
1 stop
Multiple Airlines Logo
6:00 am - 7:35 pm
ONT
-
CVG
10h 35m
1 stop
$253Multiple Airlines
Sun, Aug 16 - Thu, Aug 20
Frontier Logo
8:30 pm - 10:04 am
CVG
-
ONT
16h 34m
1 stop
Frontier Logo
6:00 am - 11:21 am
ONT
-
CVG
26h 21m
2 stops
$257Frontier
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
12:53 pm - 11:50 pm
CVG
-
ONT
37h 57m
2 stops
Multiple Airlines Logo
6:00 am - 6:04 pm
ONT
-
CVG
9h 04m
1 stop
$260Multiple Airlines
Wed, Aug 5 - Thu, Aug 13
Multiple Airlines Logo
12:48 pm - 7:12 am
CVG
-
ONT
21h 24m
2 stops
Multiple Airlines Logo
9:49 pm - 11:37 pm
ONT
-
CVG
22h 48m
1 stop
$262Multiple Airlines
Tue, Sep 15 - Wed, Sep 23
Multiple Airlines Logo
12:18 pm - 10:04 am
CVG
-
ONT
24h 46m
2 stops
Multiple Airlines Logo
6:00 am - 6:04 pm
ONT
-
CVG
9h 04m
1 stop
$263Multiple Airlines
Tue, Aug 4 - Thu, Aug 13
Multiple Airlines Logo
10:29 pm - 8:03 am
CVG
-
ONT
12h 34m
1 stop
Multiple Airlines Logo
3:40 pm - 8:15 pm
ONT
-
CVG
25h 35m
1 stop
$265Multiple Airlines
Sun, Aug 16 - Thu, Aug 20
Frontier Logo
12:53 pm - 10:04 am
CVG
-
ONT
24h 11m
2 stops
Frontier Logo
3:40 pm - 8:15 pm
ONT
-
CVG
25h 35m
1 stop
$266Frontier
Wed, Aug 12 - Tue, Aug 18
Multiple Airlines Logo
10:29 pm - 8:03 am
CVG
-
ONT
12h 34m
1 stop
Multiple Airlines Logo
8:17 am - 11:21 am
ONT
-
CVG
24h 04m
2 stops
$267Multiple Airlines
Sun, Aug 16 - Thu, Aug 20
Frontier Logo
8:34 pm - 10:04 am
CVG
-
ONT
16h 30m
1 stop
Frontier Logo
8:17 am - 11:21 am
ONT
-
CVG
24h 04m
2 stops
$268Frontier
Sun, Aug 16 - Thu, Aug 20

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

Frontier flights from Cincinnati to Ontario

Our best Frontier deals on Cincinnati to Ontario flight tickets
Frontier
Sep 15
CVG12:25 pmCincinnati Cinci./N. Kentucky
14h 30m
1 stop
ONT11:55 pmOntario
Sep 23
ONT9:49 pmOntario
19h 32m
1 stop
CVG8:21 pmCincinnati Cinci./N. Kentucky
$248
Frontier
Aug 25
CVG8:30 pmCincinnati Cinci./N. Kentucky
16h 34m
1 stop
ONT10:04 amOntario
Sep 1
ONT6:00 amOntario
26h 21m
2 stops
CVG11:21 amCincinnati Cinci./N. Kentucky
$257
Frontier
Aug 12
CVG12:53 pmCincinnati Cinci./N. Kentucky
24h 11m
2 stops
ONT10:04 amOntario
Aug 18
ONT3:40 pmOntario
25h 35m
1 stop
CVG8:15 pmCincinnati Cinci./N. Kentucky
$266

American Airlines flights from Cincinnati to Ontario

Our best American Airlines deals on Cincinnati to Ontario flight tickets
American Airlines
Aug 14
CVG6:00 amCincinnati Cinci./N. Kentucky
9h 03m
2 stops
ONT12:03 pmOntario
Aug 21
ONT12:33 pmOntario
7h 49m
1 stop
CVG11:22 pmCincinnati Cinci./N. Kentucky
$308
American Airlines
Aug 19
CVG6:00 amCincinnati Cinci./N. Kentucky
9h 03m
2 stops
ONT12:03 pmOntario
Aug 26
ONT6:15 amOntario
10h 11m
2 stops
CVG7:26 pmCincinnati Cinci./N. Kentucky
$316
American Airlines
Aug 20
CVG7:23 amCincinnati Cinci./N. Kentucky
10h 56m
2 stops
ONT3:19 pmOntario
Aug 24
ONT12:33 pmOntario
7h 49m
1 stop
CVG11:22 pmCincinnati Cinci./N. Kentucky
$332

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 July 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

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 9/15

12:25 pm-11:55 pm

1 stop14h 30m

Ontario

Wed 9/23

9:49 pm-8:21 pm

1 stop19h 32m

$248
Quickest round-trip

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Sun 8/16

10:29 pm-8:03 am

1 stop12h 34m

Ontario

Thu 8/20

6:00 am-7:35 pm

1 stop10h 35m

$253

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 8/25

8:30 pm-10:04 am

1 stop16h 34m

Ontario

Tue 9/1

6:00 am-11:21 am

2 stops26h 21m

$257

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 8/5

12:53 pm-11:50 pm

2 stops37h 57m

Ontario

Thu 8/13

6:00 am-6:04 pm

1 stop9h 04m

$260

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 9/15

12:48 pm-7:12 am

2 stops21h 24m

Ontario

Wed 9/23

9:49 pm-11:37 pm

1 stop22h 48m

$262

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 8/4

12:18 pm-10:04 am

2 stops24h 46m

Ontario

Thu 8/13

6:00 am-6:04 pm

1 stop9h 04m

$263

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Sun 8/16

10:29 pm-8:03 am

1 stop12h 34m

Ontario

Thu 8/20

3:40 pm-8:15 pm

1 stop25h 35m

$265

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 8/12

12:53 pm-10:04 am

2 stops24h 11m

Ontario

Tue 8/18

3:40 pm-8:15 pm

1 stop25h 35m

$266

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Sun 8/16

10:29 pm-8:03 am

1 stop12h 34m

Ontario

Thu 8/20

8:17 am-11:21 am

2 stops24h 04m

$267

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Sun 8/16

8:34 pm-10:04 am

1 stop16h 30m

Ontario

Thu 8/20

8:17 am-11:21 am

2 stops24h 04m

$268

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 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 $316. 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 July 2026, prices for Cincinnati to Ontario flights are approximately 4% cheaper 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 14m

Direct flights

None
The fastest flight from Cincinnati to Ontario takes 6h 14m
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 14m.

  • 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
5.6
2,816 reviews
Search Frontier flights
American AirlinesPriceFrom $215Free CancellationRating
7.1
11,811 reviews
Search American Airlines flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
9,983 reviews
Search United Airlines flights
SouthwestPriceFrom $318Free CancellationRating
8.0
4,249 reviews
Search Southwest flights
DeltaPriceFrom $337Free CancellationRating
7.8
8,462 reviews
Search Delta 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
Wed 8/12
Wed 8/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States