Originally Posted by
KARFA
and in Y as well? I might suggest that’s really why the OP is getting pushback as it looks like the classic “let’s tag on a long Y flight at the end which I won’t take just to push the avios cost down”.
Would not be that much of a savings in this particular case (just 20,000 Avios), assuming that JL was flown on the first leg, and CX on the second. Plus, the OP would have to pay whatever taxes and surcharges apply to the SYD-SFO leg in Economy.