undisclosed fees
    Frontier have undisclosed fees that will be more than offset the cost difference. Makes it not cheap anymore
    Full Fright
    I booked through AMEX travel site. When I went to check in at Frontier, I was informed that choosing seats would cost $8 per person per leg. In order for my family of 5 to sit together the cost would have been $160 for the trip. I was further informed that overhead bin space was $20 and under the plane was $25. To avoid another $160 in fees we had to completely re-pack. None of this was disclosed on the AMEX site. When I called them they indicated that the airlines are responsible for providing fee information and Frontier didn't provide any. When I contacted frontier, they encouraged me to book through their site...never addressed the deceptive practice of providing a lower (not by much) ticket price and charging up to $60 per person in fees (more than offset the cost difference). If I'd known I'd never have flown them. Won't anymore.
Frontier Failures
 The sexism and harassment was visceral and cruel by male agents. 


 Unacceptable...I will stick with Southwest Airlines from now on, and tell anyone else to do the same. the few bucks saved wasn't worth the inconvenience. 

Julius Caesar C

 I fly a fair amount (20+ times per year) and have been on almost all major US carriers, this one takes the cake as the worst! 

JK Roland

 This airline is an absolute joke, they nickel and dime you for everything, there is no customer service, and apparently the idea of a flight going as planned is impossible. With the arrival of United and Delta to our area never again will I fly with Frontier 


 Traveling Frontier has been one of the worst experiences I have ever had. Rude, disrespectful and completely unhelpful. I would highly discourage traveling with them