From Canberra airport fly to Sydney airport. 55min $106. From Canberra International Airport Bus to Sydney Airport - International. 4hrs 10min $54. From Brindabella Cct Brindabella Business Pk line 11 bus to Canberra then bus to Sydney Airport T1. 4hrs 35min $42. From Canberra Airport (CBR) drive to Sydney Airport (SYD). 2hrs 55min $33.