When flying from Doha to Chengdu, 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 Doha to Chengdu flights.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Doha Hamad Intl Airport to Chengdu Airport flight would often be abbreviated as a DOH to CTU flight.