Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Cincinnati to Los Angeles from $86

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 5/17. 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.

Find the cheapest flights from Cincinnati to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:40 pm - 7:32 pm
CVG
-
ONT
25h 52m
1 stop
Frontier Logo
6:00 am - 10:44 am
ONT
-
CVG
25h 44m
1 stop
$172Frontier
søn., maj 10 - lør., maj 16
Frontier Logo
12:15 pm - 11:49 pm
CVG
-
ONT
14h 34m
1 stop
Frontier Logo
4:04 pm - 7:35 pm
ONT
-
CVG
24h 31m
1 stop
$180Frontier
tir., maj 5 - søn., maj 10
Frontier Logo
8:38 pm - 8:04 pm
CVG
-
ONT
26h 26m
1 stop
Frontier Logo
11:36 am - 7:35 pm
ONT
-
CVG
28h 59m
1 stop
$185Frontier
søn., maj 3 - søn., maj 10
Frontier Logo
12:15 pm - 10:05 am
CVG
-
ONT
24h 50m
1 stop
Frontier Logo
8:44 am - 7:35 pm
ONT
-
CVG
7h 51m
1 stop
$191Frontier
tir., maj 5 - man., maj 11
Frontier Logo
8:40 pm - 7:49 am
CVG
-
ONT
14h 09m
1 stop
Frontier Logo
8:43 am - 6:17 pm
ONT
-
CVG
6h 34m
1 stop
$192Frontier
søn., maj 17 - lør., maj 23
Frontier Logo
1:05 pm - 10:05 am
CVG
-
ONT
24h 00m
1 stop
Frontier Logo
4:04 pm - 7:35 pm
ONT
-
CVG
24h 31m
1 stop
$193Frontier
lør., maj 9 - tor., maj 14
Frontier Logo
8:38 pm - 8:04 am
CVG
-
ONT
14h 26m
1 stop
Frontier Logo
11:36 am - 7:35 pm
ONT
-
CVG
28h 59m
1 stop
$196Frontier
søn., maj 3 - søn., maj 10
Frontier Logo
8:40 pm - 7:49 am
CVG
-
ONT
14h 09m
1 stop
Frontier Logo
4:04 pm - 7:35 pm
ONT
-
CVG
24h 31m
1 stop
$198Frontier
søn., maj 10 - tor., maj 14
Frontier Logo
12:15 pm - 11:49 pm
CVG
-
ONT
14h 34m
1 stop
Frontier Logo
10:50 am - 10:44 am
ONT
-
CVG
20h 54m
1 stop
$202Frontier
tir., maj 5 - ons., maj 6
Frontier Logo
9:00 pm - 3:08 pm
CVG
-
ONT
21h 08m
1 stop
Frontier Logo
3:34 pm - 7:47 pm
ONT
-
CVG
25h 13m
1 stop
$203Frontier
ons., juni 10 - tir., juni 16

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
May 10
CVG8:40 pmCincinnati Cinci./N. Kentucky
25h 52m
1 stop
ONT7:32 pmOntario
May 16
ONT6:00 amOntario
25h 44m
1 stop
CVG10:44 amCincinnati Cinci./N. Kentucky
$172
Frontier
May 5
CVG12:15 pmCincinnati Cinci./N. Kentucky
14h 34m
1 stop
ONT11:49 pmOntario
May 10
ONT4:04 pmOntario
24h 31m
1 stop
CVG7:35 pmCincinnati Cinci./N. Kentucky
$180
Frontier
May 3
CVG8:38 pmCincinnati Cinci./N. Kentucky
26h 26m
1 stop
ONT8:04 pmOntario
May 10
ONT11:36 amOntario
28h 59m
1 stop
CVG7:35 pmCincinnati Cinci./N. Kentucky
$185

American Airlines flights from Cincinnati to Ontario

Our best American Airlines deals on Cincinnati to Ontario flight tickets
American Airlines
May 7
CVG5:00 amCincinnati Cinci./N. Kentucky
9h 34m
2 stops
ONT11:34 amOntario
May 11
ONT9:33 amOntario
10h 51m
2 stops
CVG11:24 pmCincinnati Cinci./N. Kentucky
$547
American Airlines
May 7
CVG6:00 amCincinnati Cinci./N. Kentucky
8h 34m
2 stops
ONT11:34 amOntario
May 11
ONT12:19 pmOntario
8h 37m
2 stops
CVG11:56 pmCincinnati Cinci./N. Kentucky
$580

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 23, 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

søn. 5/10

8:40 pm-7:32 pm

1 stop25h 52m

Ontario

lør. 5/16

6:00 am-10:44 am

1 stop25h 44m

$172

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

tir. 5/5

12:15 pm-11:49 pm

1 stop14h 34m

Ontario

søn. 5/10

4:04 pm-7:35 pm

1 stop24h 31m

$180

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

søn. 5/3

8:38 pm-8:04 pm

1 stop26h 26m

Ontario

søn. 5/10

11:36 am-7:35 pm

1 stop28h 59m

$185

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

tir. 5/5

12:15 pm-10:05 am

1 stop24h 50m

Ontario

man. 5/11

8:44 am-7:35 pm

1 stop7h 51m

$191
Quickest round-trip

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

søn. 5/17

8:40 pm-7:49 am

1 stop14h 09m

Ontario

lør. 5/23

8:43 am-6:17 pm

1 stop6h 34m

$192

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

lør. 5/9

1:05 pm-10:05 am

1 stop24h 00m

Ontario

tor. 5/14

4:04 pm-7:35 pm

1 stop24h 31m

$193

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

søn. 5/3

8:38 pm-8:04 am

1 stop14h 26m

Ontario

søn. 5/10

11:36 am-7:35 pm

1 stop28h 59m

$196

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

søn. 5/10

8:40 pm-7:49 am

1 stop14h 09m

Ontario

tor. 5/14

4:04 pm-7:35 pm

1 stop24h 31m

$198

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

tir. 5/5

12:15 pm-11:49 pm

1 stop14h 34m

Ontario

ons. 5/6

10:50 am-10:44 am

1 stop20h 54m

$202

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

ons. 6/10

9:00 pm-3:08 pm

1 stop21h 08m

Ontario

tir. 6/16

3:34 pm-7:47 pm

1 stop25h 13m

$203

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 $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 13m

Direct flights

None
The fastest flight from Cincinnati to Ontario takes 6h 13m
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 13m.

  • 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
2,981 reviews
Search Frontier flights
American AirlinesPriceFrom $215Free CancellationRating
7.1
11,659 reviews
Search American Airlines flights
DeltaPriceFrom $312Free CancellationRating
7.9
8,438 reviews
Search Delta flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
9,635 reviews
Search United Airlines 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
lør. 5/23
lør. 5/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States