Frontier Airlines on Tuesday announced it has launched a sale on tickets which continues until 31 May 2012.

The sale features fares for travel through mid-November 2012 on 75 nonstop routes across the lower 48 states. Fares are available from USD64 one way and include all transportation fees and taxes from Colorado Springs to Phoenix, with fares on a popular Frontier routes available for less than USD100 one way.

Tickets in the fare sale must be purchased by Midnight ET on 31 May 2012. Sale fares are one way for travel through 14 November 2012, are are valid for services operating Monday through Saturday. Round trip purchase is not required for the sale fares but a 10-day advance purchase is required and blackout dates of 1 and 8 July 2012 apply.

Frontier Airlines is a wholly owned subsidiary of Republic Airways Holdings Inc (NASDAQ:RJET), an airline holding company that also owns Chautauqua Airlines, Republic Airlines and Shuttle America. Frontier offers service to more than 70 destinations in the United States, Mexico, Costa Rica, Jamaica and the Dominican Republic. The airline employs 5,000 aviation professionals, operating from its hub at Denver International Airport.