Are there nonstop flights from Jeju City (CJU) to Istanbul (IST)?

No. The fastest connection is via Beijing, about 10h 39m of total flying time.

What is the fastest connection from Jeju City (CJU) to Istanbul (IST)?

via Beijing ≈ 10h 39m, via Beijing ≈ 10h 39m, via Seoul ≈ 10h 50m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Jeju International Airport (CJU) to İstanbul Airport (IST)・8,202 km

No nonstop flights. The fastest connection is via Beijing (PKX), about 10h 39m of flying time (layover not included).

With milesANA 30,000 miles+ (via PEK)JAL 37,000 miles+ (via PVG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 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.