Are there nonstop flights from Bangkok (BKK) to Yekaterinburg (SVX)?

Yes. Aeroflot fly this route. Flight time is about 7h 24m.

What is the fastest connection from Bangkok (BKK) to Yekaterinburg (SVX)?

via Almaty ≈ 7h 54m, via Ürümqi ≈ 7h 59m, via Tashkent ≈ 8h 14m (estimated flying time, excluding layovers).

from 23,000 JAL miles (economy, one way, based on the published award charts).

Suvarnabhumi Airport (BKK) to Koltsovo Airport (SVX)・5,858 km

Nonstop flights available (1 airline). Flight time about 7h 24m. Nonstop return flights also operate.

With milesJAL 23,000 miles+ (via OVB)Economy, one way, estimate. Tap a connection for miles by cabin.

18 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.