CTS - China Travel Tours operates a bus from Macau to Causeway Bay hourly. Tickets cost $14 - $21 and the journey takes 2 h.
How to get from Macau to Causeway Bay
From Macau Heliport helicopter to Sheung Wan then subway to Causeway Bay. 25 min $4307. From Almirante Lacerda / Horta e Costa line 26 bus to Macau Taipa Ferry Terminal, ferry to Sheung Wan, then subway to Causeway Bay. 2 h $184. From Macau bus to Wan Chai Ferry Pier. 2 h $158. From Macau drive to Causeway Bay. 2 h 19 min $318.