Originally Posted by
sdsearch
Great news! Finally a "parking" partner in an alliance (*A)! Avianca LifeMiles expiration can be deferred indefinitely (24 months at a time) by earning / redeeming. (The T&Cs aren't clear if transferring counts, but there are other ways to earn "on the ground" in case it doesn't.)
I've simply donated points to extend Avianca miles. Can be as few as you want to donate.