Are there nonstop flights from Bangkok (BKK) to Cluj-Napoca (CLJ)?

No. The fastest connection is via Istanbul, about 10h 42m of total flying time.

What is the fastest connection from Bangkok (BKK) to Cluj-Napoca (CLJ)?

via Istanbul ≈ 10h 42m, via Abu Dhabi ≈ 11h 12m, via Warsaw ≈ 11h 17m (estimated flying time, excluding layovers).

from 29,500 ANA miles (economy, one way, based on the published award charts).

Suvarnabhumi Airport (BKK) to Avram Iancu Cluj International Airport (CLJ)・7,923 km

No nonstop flights. The fastest connection is via Istanbul (IST), about 10h 42m of flying time (layover not included).

With milesANA 29,500 miles+ (via IST)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.