When should you transfer hotel loyalty points to Avios or other frequent flyer miles?

From Head for Points. Publisher preview, not original Flight Wire reporting.

All of the major hotel points currencies allow you to transfer your points into airline miles. You will often find the airlines encouraging it – British Airways used to offer regular 25% to 35% bonuses when you moved hotel points into Avios, although we haven’t seen this offer for a while now, and Qatar Airways […]