Are there nonstop flights from Bangkok (BKK) to Prague (PRG)?

No. The fastest connection is via Tashkent, about 11h 7m of total flying time.

What is the fastest connection from Bangkok (BKK) to Prague (PRG)?

via Tashkent ≈ 11h 7m, via Warsaw ≈ 11h 10m, via Almaty ≈ 11h 14m (estimated flying time, excluding layovers).

from 29,500 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Suvarnabhumi Airport (BKK) to Václav Havel Airport Prague (PRG)・8,597 km

No nonstop flights. The fastest connection is via Tashkent (TAS), about 11h 7m of flying time (layover not included).

With milesANA 29,500 miles+ (via WAW)JAL 37,000 miles+ (via HEL)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

36 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.