$29 Cheap Frontier Airlines flights Denver (DEN) to Cincinnati (CVG)

You can discover affordable return Frontier Airlines flights from $54 from DEN to CVG by sorting your results from "Price (lowest to highest)" on Expedia. Or look for options from $29 for a one-way trip.**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.

To find cheap Frontier Airlines fares from Denver Intl. Airport (DEN) to Cincinnati - Northern Kentucky Intl. Airport (CVG), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the price you pay. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**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.

The earliest Frontier Airlines flight from DEN to CVG departs at 8:24AM UTC-7, landing at 1:06PM UTC-5. If you'd like to set off later in the day, the last Frontier Airlines flight leaves DEN at 8:24AM UTC-7 and touches down at CVG at 1:06PM UTC-5. Flying before midday is generally a good option as morning and mid-morning flights are 20% less likely to be canceled.**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.

With a rewarding loyalty program, Frontier Airlines is a top pick for many travelers departing from DEN to CVG. Plus, if you're a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.