Originally Posted by peteropny

First off - if you haven't already done so - "household" the BA accounts - this way you'd have 112K on BA - then transfer in enough AMEX/Chase to make up the difference for the one RT - 8k from AMEX - that gets you to the 120K on BA for 1 F ticket (note I'm not checking BA award chart and assumes that what was previously posted is correct).

Now for the 2nd ticket - using AA miles (you have 50k already - and need 70k) - so 20k short. Hyatt does transfer to AA at 2:1 ratio (so 30k Hyatt = 15k AA). This still leaves you 5k AA short. Your Chase points - do you have the "new" Chase Sapphire Ultimate Preferred (or whatever the latest rave is?) - if so, you can transfer to Hyatt at 1:1 - so transfer 10k Chase to Hyatt (that makes up the 5K AA that you need).

Note I've not figured out all your stops in Hawaii that you referred to.

Note AMEX / Chase transfers are supposed to be "immediate" but Hyatt to AA takes up to a month.

You'd be left with 26K AMEX and 48K Chase left after all this (or you can substitute Chase points for the AMEX ones for BA transfer).