Regarding your inquiry about matching your Singapore Airlines KrisFlyer Elite Silver status to your Iberia Plus Clasica IB xxxxxxxx, we inform you that, unfortunately, our program does not consider this possibility at the present.
We include the following link for your reference, where you will find the requirements for each of the Iberia Plus status levels:
We take this opportunity to send you our warmest greetings.
Your Iberia plus Services Centre.
on June 27, 2018