Business class Vienna to Shenzhen for 1440€ nonstop with Hainan, Shenzen is only 30 km away from Hong Kong. There is a High-Speed Rail service between Shenzhen and Hong Kong which runs between Shenzhen North Station, Futian Station, and to Hong Kong at the new West Kowloon Station. You may as well take a taxi or ferry across to Hong Kong, of course a crossing of the border is involved.
VALID FOR TRAVEL COMMENCING DEPARTURE OF FIRST OUTBOUND INTERCONTINENTAL ON/BEFORE 31DEC 18
TICKETING FOR DEPARTURE OF FIRST OUTBOUND INTERCONTINENTAL MUST BE COMPLETED AT LEAST 14 DAYS BEFORE DEPARTURE.