Direct from Vietnam Airlines, nice new Boeing 787's with lie flats on all legs , 3 days a week and departs London Mon/Wed/Sat returns Sun/Tue/Fri. There does not appear to be any blanked out dates - available from now and right through July & August . 2 stop returns are available on other dates.
*** A VISA IS REQUIRED FOR TRANSIT ***
This is my first attempt at submitting a deal, I hope I got enough info on there, the link is to Vietnam Airlines but the search results may time out, also available to Melbourne