Air distance from Southampton, UK to Chengdu, China is 5233.4 Miles (8422.3 Kilometers / 4544.7 Nautical Miles).
Flight duration time from Southampton to Chengdu is 10 hrs, 52 mins. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.