I've only ever booked return trips, single destinations overseas.
I was just wondering if anyone has any advice for booking a trip from Sydney to HKG, then to SIN and back to SYD? (either methods or particular search engines)
Im looking to travel over Dec-Jan, my dates are pretty flexible over that time. It being the holiday period, im not expecting any bargains, but would definitely be aiming for cheapest fares possible (and non-stop).
You could check whether multi-city fares are cheaper or split your trip up into two legs. SYD->SIN return and SIN->HKG return.