Are there nonstop flights from Kuala Lumpur (KUL) to Istanbul (SAW)?

Yes. AirAsia X fly this route. Flight time is about 10h 18m.

What is the fastest connection from Kuala Lumpur (KUL) to Istanbul (SAW)?

via Tehran ≈ 10h 48m, via Karachi ≈ 10h 50m, via Baghdad ≈ 10h 55m (estimated flying time, excluding layovers).

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

Kuala Lumpur International Airport (KUL) to Istanbul Sabiha Gökçen International Airport (SAW)・8,334 km

Nonstop flights available (1 airline). Flight time about 10h 18m. Nonstop return flights also operate.

With milesJAL 37,000 miles+ (via DOH)Economy, one way, estimate. Tap a connection for miles by cabin.

17 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.