Join Date: Aug 2011
Location: Sydney, Australia and Stockholm, Sweden
Programs: VA Platinum, SQ Gold, TK Gold, Hhonors Gold, Accor Plus Platinum, Bonvoy Gold, Radisson Premium
Posts: 1,022
No issue at all. I've used "nested" return flights several times without a problem. Just ensure you leave plenty of time in Singapore (it sounds like you will be doing that anyway).