Originally Posted by
BigFlyer
But with two one-ways the redeposit fee in the event of cancellation would be double.
That's the price you have to pay for an open-jaw.
Tip: if the additional travel can be done for less than double the price of the cancellation fee, book a return, and separately pay for travel to get you from the point you wished you could be for an open-jaw ticket to the point you need to be for your return ticket.