Frontier Airlines proposes merging with bankrupt Spirit -- again. Spirit says no - Frontier Airlines is offering a year's worth of free flights -- here's how to claim it - All the places you can go with Frontier Airlines' 'Go Wild' pass for $299 - Frontier Airlines is selling all-you-can-fly passes for the cheapest price ever - Frontier Airlines announces new premium seat option - Frontier Airlines will install first-class seats as industry battles for high-paying flyers - Frontier airlines passenger left with disfigured genitals after scalding tea was spilled on him, lawsuit claims - Frontier Airlines pilots vote to authorize strike if contract talks fail