Gary Leff gives some tips to help you avoid the crackdown and save money.
Hidden city ticketing is when you purchase a ticket with an extra segment at the end, but you never intend to go to that final city. For example, if you are in City A and you want to fly to City B, sometimes it’s less expensive to purchase a ticket A to B to C. In this case C is a third city that you do not want to visit.
Gary explains how it all works in his blog post.