Originally Posted by santa1
Interesting question.
BA may not be interested in through checking your baggage to Iberia if not on the same ticket. I recently flew LON/CAI with BA and had LH RTW ticket commencing Cairo. Took 3 tries before I found friendly check in clerk who would through put baggage LHR/CAI/FRA/BKK.
There's been discussion elsewhere about BA not being willing to interline bags except to another OW carrier, so perhaps going to IB won't be a problem.