Purchase at FlyFrontier.com by April 30; Fly now or in the fall! DENVER, 2013-04-17 — /travelprnews.com/ — Frontier Airlines wants you to head west for less! Fly from Branson, Kansas City, Oklahoma City and St. Louis to your favorite city in the west with great fares from as low as $139* each way. Tickets must be purchased by… Read the full press release