At the moment, there are one airlines flying to Shenzhen. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Shenzhen.
The most popular airlines offering flights to Shenzhen are China Eastern Airlines. China Eastern Airlines is the most popular one, but that doesn’t mean their flights will be the cheapest. If you can't find a flight time that suits you, why not look at flying out from a different airport?
The distance between London City Airport to Shenzhen is 9570 km. Normally, it takes about 20 hrs 5 mins to fly, and you can definitely expect the journey to be at least 20 hrs 5 mins. You can see the various flight times in the results.
Searching by month, for instance, will show you the best time of the week to fly.