Are there nonstop flights from Siem Reap (SAI) to Istanbul (IST)?

No. The fastest connection is via Bangkok, about 10h 17m of total flying time.

What is the fastest connection from Siem Reap (SAI) to Istanbul (IST)?

via Bangkok ≈ 10h 17m, via Phnom Penh ≈ 10h 44m, via Dubai ≈ 10h 46m (estimated flying time, excluding layovers).

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

Siem Reap-Angkor International Airport (SAI) to İstanbul Airport (IST)・7,826 km

No nonstop flights. The fastest connection is via Bangkok (BKK), about 10h 17m of flying time (layover not included).

With milesANA 29,500 miles+ (via BKK)JAL 37,000 miles+ (via DXB)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

8 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.