Thanks both. I think it might be a little convoluted. So, might just stick with one I reckon.

Hi, Planning to book the following flights: SYD-BKK (QFxx)BKK-CPH (EKxx)CPH-SYD (EKxx)Just wondering If I could earn QFF for the first leg (SYD-BKK) and then switch to use my Skywards member to earn EK's points for the 2nd and 3rd legs of the trip? I am a member of both FF programme. So, thinking...