Are there nonstop flights from Prague (PRG) to Tokyo (NRT)?

No. The fastest connection is via Warsaw, about 11h 45m of total flying time.

What is the fastest connection from Prague (PRG) to Tokyo (NRT)?

via Warsaw ≈ 11h 45m, via Helsinki ≈ 11h 46m, via Vienna ≈ 12h 6m (estimated flying time, excluding layovers).

from 31,000 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Václav Havel Airport Prague (PRG) to Narita International Airport (NRT)・9,103 km

No nonstop flights. The fastest connection is via Warsaw (WAW), about 11h 45m of flying time (layover not included).

With milesANA 31,000 miles+ (via WAW)JAL 37,000 miles+ (via HEL)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

20 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.