Spirit Starts New Service: Dallas/Fort Worth – Los Cabos, Mexico Dallas/Fort Worth – Latrobe/Pittsburgh Houston – Denver Houston – Detroit  Dallas/Fort Worth – Toluca/Mexico City (resumes seasonal service) Miramar, Florida, 2013-06-13 — /travelprnews.com/ — Value-seeking consumers have much to celebrate this week as Spirit Airlines (NASDAQ: SAVE) continues to liberate even more travelers from high fares… Read the full press release