Originally Posted by TheSuj

Maybe what I am doing? LHR-AUH on BA WTP for £560 (or direct with BA for £612 and got a £100 price match voucher)
The AUH-CMB-CGK on UL £490 (using MyTrip). Then a budget Asian airline to SGN from there. You'll get 740tp for £1050 + flights to SGN. Also noticed that you may be able to upgrade the return AUH-LHR for £50 + 24k avios to club which seems well worth it for the overnight leg.