Originally Posted by
dcas
OP, I know you are searching for IB flights this time, but it's always good to remind newcomers that partner awards on IB+ are non-refundable.
Also, it's worth signing up for a BA FF account asap since there may be transfer bonuses to one of the programs but not the other. You can then transfer your avios to the other one as needed.
Correct on both counts.
But also, Avios in a BAEC account can be transferred to Finnair and Qatar, either of which might have better redemption rates on non-BA/non-IB award flights.