Originally Posted by
WilcoRoger
The example 5k spend translates into 10k AY (MC) or e.g 4k Avios (AX), which is clearly a better value proposition. MR also offers some other transfers - one can use only so much AY points, but might need some Marriott points...
Added thoughts - if one desires Avios, of course one shouldn't transfer directly from AX->BA at a 5:4 rate, but rather to AX->Marriott->BA at a 1:1 rate 
Last edited by WilcoRoger; Apr 18, 2022 at 12:45 pm