Cedar Rapids, IA, 2016-1-7 — /Travel PR News/ — Frontier resumes its nonstop service to Denver (DEN) April 14! Flights are offered on Sunday, Tuesday and Thursdays. Go to www.FlyFrontier.com and book your tickets now! AND, that’s not all – Allegiant is bringing back its nonstop service to Los Angeles (LAX) June 15. Flights are offered… Read the full press release