From Canberra airport fly to Sydney airport. 55min $106. From Brindabella Cct Brindabella Business Pk line 11 bus to Canberra then bus to Sydney Airport T1. 4hrs 35min $48. From Canberra International Airport bus to Sydney then taxi to Sydney Airport (SYD). 4hrs 55min $79. From Canberra Airport (CBR) drive to Sydney Airport (SYD). 2hrs 55min $33.