The contributors of Flight-Report published 2 reviews on 1 airlines on the route London - Gatwick (LGW) → Hong Kong - Chek Lap Kok (HKG). The airline with the best average rating is Cathay Pacific with 8.4/10. The average flight time is 10 hours and 50 minutes.
Airlines on this route are:
Frequent travelers recommend "No.1 Traveller No.1 Gatwick" at LGW for comfort and meals/catering.
London has an another airport to go to Hong Kong : London - Heathrow (LHR)