When flying from Hong Kong to Réunion, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Related info for your journey
Useful info, stats and facts about Hong Kong to Réunion flights.
This is defined as Hong Kong Intl Airport (HKG) and Saint-Denis Gillot Airport (RUN). Codes like Saint-Denis Gillot Airport are often used to just call airports uniquely. Saint-Pierre Pierrefonds Airport (ZSE) are other airports near this flight route and their unique identifiers/IATA codes.