Originally Posted by
craigthemif
I'm curious as to why you think surcharges are lower using Iberia Avios.
Apart from a handful of ex-Europe routes where you might pay 10-15 euros instead of the flat 21 euro Reward Flight Saver, I'm not aware of any advantages on BA metal.
Example: YUL-LHR-RAK (with YUL-LHR in J and LHR-RAK in Y) costs less points and less surcharges using Iberia Avios compared to BA Avios