They lie!!
They lie!!! I was quoted a fare of $166 to Vegas, then I became aware it DID NOT include carry on and you couldnt purchase it at the airport. I said who travels for 5 days without luggage? I need a bag, so then I was quoted a fee of $200 which included carry on. When I looked at my ticket IT DIDNT include carryon and I had to purchase it at the airport$150!!!!