Are there nonstop flights from Riga (RIX) to Bangkok (BKK)?

No. The fastest connection is via Tashkent, about 10h 22m of total flying time.

What is the fastest connection from Riga (RIX) to Bangkok (BKK)?

via Tashkent ≈ 10h 22m, via Helsinki ≈ 10h 45m, via Warsaw ≈ 11h 13m (estimated flying time, excluding layovers).

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

Riga International Airport (RIX) to Suvarnabhumi Airport (BKK)・7,936 km

No nonstop flights. The fastest connection is via Tashkent (TAS), about 10h 22m 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.

22 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.