hk singapore sydneyFlhts from Hong Kong (HKG) to Sydney (SYD) Flht route information. Cathay Pacific offers direct flhts to Sydney Kingsford Smith Airport (SYD) from Hong Kong International AirportDiscover the best flht rates from Sydney to Hong Kong SAR. Travel in comfort with award-winning inflht services and state-of-the-art amenities. Book your air tickets !