Are there nonstop flights from Singapore (SIN) to Prague (PRG)?

No. The fastest connection is via Vienna, about 12h 45m of total flying time.

What is the fastest connection from Singapore (SIN) to Prague (PRG)?

via Vienna ≈ 12h 45m, via Istanbul ≈ 12h 58m, via Muscat ≈ 13h 8m (estimated flying time, excluding layovers).

from 29,500 ANA miles, from 40,000 JAL miles (economy, one way, based on the published award charts).

Singapore Changi Airport (SIN) to Václav Havel Airport Prague (PRG)・9,873 km

No nonstop flights. The fastest connection is via Vienna (VIE), about 12h 45m of flying time (layover not included).

With milesANA 29,500 miles+ (via IST)JAL 40,000 miles+ (via LHR)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

27 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.