Thank you all! It seems that I can use Avios to get Qantas flights as well? But just wondering if Avios will be worth less if I use them on Qantas (as compared with, say, BA and Qatar)? My reasoning is, since one can only spend (but not earn) Avios with Qantas, it seems that Qantas has a more remote relationship with Avios than the airlines with which one can earn as well as spend Avios. Is this right?