We booked a round trip vacation for four people from Detroit to San Francisco on Spirit Airline for my mother's 76 birthday. When we went to return home we found that Spirit had discontinued service from SF to Detroit, leaving us stranded in SF. In order to get home we were required to purchase one-way tickets on Northwest at an cost of $750.00 each. After trying every avenue available to me to contact Spirit, I have given up. They took our money for a flight (plus baggage costs) that they knew was not going to be available. We feel... read full review »