9.0 Featured LocationsTrip ReviewsWTA Reviews Singapore Airlines Business Class 777 300ER Review: HKG to SFO by Bertaut & Alexis March 10, 2019 by Bertaut & Alexis March 10, 2019 We flew Singapore Airlines Business Class 777 from Hong Kong to San Francisco during our around the world trip that included time in Oman, the Maldives, and Hong Kong. We flew Singapore… 1 comment 0 FacebookTwitterPinterest 9.0