singapore airlines crew members and travelers at the transit hall of changi airport in singapore on jan 14 2021 singapore singapore airlines shares jumped monday after the citystate confirmed it was in talks with australia to set up an air travel bubble singapore airlines shares were up 547 in afternoon trade after surging as much as 849 earlier in the day airlinerelated shares such as sats a subsidiary company that provides inflight catering was up 343 while sia engineering advanced 465 an air travel bubble would allow residents of singapore and australia to travel between both countries without the need for quarantine international travel routes have remained relatively limited since global borders stayed shut last year due to the covid19 pandemic both singapore and australia appear to have brought the infection under relative control while vaccination programs are also underway singapore is currently in discussions with australia on the mutual recognition of vaccination certificates and resumption of travel with priority for students and business travellers the ministry of foreign affairs in singapore said in a statement on sunday we are also discussing the possibility of an air travel bubble which will allow residents of singapore and australia to travel between both countries without the need for quarantine the ministry said australian nationals can transit via singapore without quarantine to return home if they travel on approved transit routes and comply with the states public health protocols the statement added australias deputy prime minister michael mccormack told local media on monday that canberra is potentially looking at july for the travel bubble with singapore but according to a transcript of his remarks he added that while talks are productive the discussions are in early stages