Are there nonstop flights from London (STN) to Guiyang (KWE)?

No. The fastest connection is via Paris, about 11h 44m of total flying time.

What is the fastest connection from London (STN) to Guiyang (KWE)?

via Paris ≈ 11h 44m, via Milan ≈ 12h 7m (estimated flying time, excluding layovers).

London Stansted Airport (STN) to Guiyang Longdongbao International Airport (KWE)・8,763 km

No nonstop flights. The fastest connection is via Paris (CDG), about 11h 44m of flying time (layover not included).

None.

2 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.