Originally Posted by
pentiumvi
In addition to the extra mileage, if this is a one-way with stop-over, I thought you cannot transit the same airport twice.
You already did YYZ-AUH-AMD, so you may not be able to do AMD-AUH-HKT as part of the same one way trip.
The poster isn't doing YYZ-AUH-AMD, they're doing YYZ-CAI.