Domestic Fare of the Day: Cincinnati, OH to Denver, CO $138 RT, non-stop.

Domestic Fare of the Day: Cincinnati, OH (CVG) to Denver, CO (DEN) $138 RT , non-stop on Frontier Airlines.

Fall travel on select dates through December 12. Found via Frontier Airlines, keep in mind: Frontier charges a $25 fee each way for carry-on bags larger than 18 x 14 x 8 in.