Originally Posted by
sbm12
It is legal but not in compliance with the Contract of Carriage for the airline. You will almost certainly have no problems doing this, particularly if the IST-GVA-IST carrier is different than the long-haul carrier.
And, no, you cannot get the taxes refunded unless you change your ticket to a one-way, at which point the fare difference would defeat the tax savings.
Great - thanks for the reply. The carriers are different, though both are *A.