Are there nonstop flights from Changchun (CGQ) to Istanbul (IST)?

No. The fastest connection is via Ürümqi, about 10h 7m of total flying time.

What is the fastest connection from Changchun (CGQ) to Istanbul (IST)?

via Ürümqi ≈ 10h 7m, via Beijing ≈ 10h 25m, via Xi'an ≈ 11h 8m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Changchun Longjia International Airport (CGQ) to İstanbul Airport (IST)・7,436 km

No nonstop flights. The fastest connection is via Ürümqi (URC), about 10h 7m of flying time (layover not included).

With milesANA 30,000 miles+ (via ICN)JAL 37,000 miles+ (via XIY)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

12 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.