Originally Posted by
RB211
If they wanted to do it, that's probably exactly what it would look like. Followed by closure of your FF account with forfeiture of all balances/coupons etc when you don't pay. I haven't heard of BA doing it, but I have heard of some US airlines being pretty aggressive when such tickets have been abused.
rb211.
Spot on there, the US carriers are eagerly tracking a variation on the theme, "hidden city ticketing", where a ticket AAA-BBB is more expensive than AAA-BBB-CCC. Finding someone that repeatedly buys the latter ticket, but never flies the second segment, means a severe risk of experiencing exactly the procedure you describe.