Are there nonstop flights from Mošnov (OSR) to Istanbul (IST)?

No. The fastest connection is via Varna, about 2h 29m of total flying time.

What is the fastest connection from Mošnov (OSR) to Istanbul (IST)?

via Varna ≈ 2h 29m, via Warsaw ≈ 2h 59m, via Rhodes ≈ 3h 37m (estimated flying time, excluding layovers).

from 15,000 ANA miles (economy, one way, based on the published award charts).

Leoš Janáček Airport Ostrava (OSR) to İstanbul Airport (IST)・1,248 km

No nonstop flights. The fastest connection is via Varna (VAR), about 2h 29m of flying time (layover not included).

With milesANA 15,000 miles+ (via WAW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

5 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.