$86 Cheap Frontier Airlines flights Ontario (ONT) to Cincinnati (CVG)

View $86 flight on Fri, Nov 14, 2025Opens in a new window

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$86 Cheap Frontier Airlines flights Ontario (ONT) to Cincinnati (CVG)

Prices were available within the past 7 days and start at $86 for one-way flights and $167 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Nov 14 - Sat, Nov 15
ONT
Ontario
CVG
Cincinnati
$167 Roundtrip, found 4 hours ago
$167
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Ontario to Cincinnati, returning Sat, Nov 15, priced at $167 found 4 hours ago
Frontier Airlines
Fri, Oct 31 - Thu, Nov 6
ONT
Ontario
CVG
Cincinnati
$170 Roundtrip, found 4 hours ago
$170
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Oct 31 from Ontario to Cincinnati, returning Thu, Nov 6, priced at $170 found 4 hours ago
Frontier Airlines
Fri, Oct 31 - Thu, Nov 6
ONT
Ontario
CVG
Cincinnati
$172 Roundtrip, found 4 hours ago
$172
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Oct 31 from Ontario to Cincinnati, returning Thu, Nov 6, priced at $172 found 4 hours ago
Frontier Airlines
Tue, Oct 21 - Sat, Nov 1
ONT
Ontario
CVG
Cincinnati
$172 Roundtrip, just found
$172
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Oct 21 from Ontario to Cincinnati, returning Sat, Nov 1, priced at $172 just found
Frontier Airlines
Fri, Oct 24 - Sat, Nov 1
ONT
Ontario
CVG
Cincinnati
$187 Roundtrip, just found
$187
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 24 from Ontario to Cincinnati, returning Sat, Nov 1, priced at $187 just found
Frontier Airlines
Fri, Oct 24 - Sat, Oct 25
ONT
Ontario
CVG
Cincinnati
$202 Roundtrip, just found
$202
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 24 from Ontario to Cincinnati, returning Sat, Oct 25, priced at $202 just found
Flights from Ontario (ONT) to Cincinnati (CVG)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Cincinnati - Northern Kentucky Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Delta
Distance
1849 mi

Frequently asked questions

How much is a Frontier Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
You can find budget-friendly return Frontier Airlines flights from $167 from ONT to CVG by sorting your results from "Price (lowest to highest)" on Expedia. Or search for deals from $86 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ONT to CVG with Frontier Airlines?
Look for one-way or return flights to Cincinnati in January or February. You could find a cheap fare with Frontier Airlines during these off-season months.
What is the cheapest time to book flights from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG) with Frontier Airlines?
Look for cheap Frontier Airlines flights from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG) one to three months prior to your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
To figure out if there's a direct route from ONT to CVG with Frontier Airlines or any other carriers, check the "Nonstop" box when looking for flights.
What is the earliest Frontier Airlines flight from ONT to CVG?
To find the earliest departures from ONT to CVG with Frontier Airlines, sort your results by "Morning" and "Early Morning." Choosing an early flight usually means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in Cincinnati?
Get on a Frontier Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati, and you'll most likely come in to Cincinnati - Northern Kentucky Intl. Airport (CVG). This is the airline's main hub in this destination.
Why fly with Frontier Airlines from ONT to CVG?
With a rewarding loyalty program, Frontier Airlines is a top choice for many travelers journeying from ONT to CVG. Plus, if you're a Frontier Miles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Changes are usually free within 24 hours of booking, but your airline may charge you after that. For more information about altering your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without extra charges, tick the "No cancel fee" or "Changes included" filter when organizing your next escape.

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*Available to One Key members.