$91 Cheap Frontier Airlines flights Raleigh (RDU) to Cincinnati (CVG)

Landing cheap one-way Frontier Airlines flights from RDU to CVG from $91 on Expedia is a breeze — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $180 for your next exciting getaway.**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.

January is one of the least expensive months to travel to Cincinnati with Frontier Airlines. You could also find great deals on one-way and round-trip tickets in February.

Begin your search one to three months before your departure to score cheap fares on Frontier Airlines flights from Raleigh - Durham Intl. Airport (RDU) to Cincinnati - Northern Kentucky Intl. Airport (CVG). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*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.

Use the “Nonstop” filter when searching for direct Frontier Airlines flights from RDU to CVG. You can also compare other airlines servicing the same nonstop route.

Find Frontier Airlines’s earliest flights from RDU to CVG by using our “Morning” and “Early Morning” filters. Not only will you get to where you’re going sooner, early departures also experience 20% fewer cancellations.**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.

Frontier Airlines flights from Raleigh - Durham Intl. Airport (RDU) to Cincinnati touch down at Cincinnati - Northern Kentucky Intl. Airport (CVG). This is the main entry point here.

A rewarding loyalty program and the opportunity to collect points through Frontier Miles are the start of the reasons to travel from RDU to CVG with Frontier Airlines. Plus, when you sign up to Expedia’s free One Key™ program, you can earn OneKeyCash™* in addition to Frontier Airlines’s loyalty program earnings. It’s yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee generally applies if you change or cancel your booking more than 24 hours after it has been confirmed. To secure tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when you search for flights. For more details on modifying or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”