DENVER, 2013-05-01 — /travelprnews.com/ — Frontier Airlines announces forthcoming changes to further reduce fares and to improve the travel experience for its most loyal customers, including those who book through FlyFrontier.com. Frontier will further differentiate its services by charging customers only for the services they use and make FlyFrontier.com the best place to book Frontier travel. Frontier guarantees that… Read the full press release