Are there nonstop flights from Sydney (SYD) to Jeju City (CJU)?

No. The fastest connection is via Taipei, about 10h 49m of total flying time.

What is the fastest connection from Sydney (SYD) to Jeju City (CJU)?

via Taipei ≈ 10h 49m, via Shanghai ≈ 10h 51m, via Hangzhou ≈ 11h 1m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Sydney Kingsford Smith International Airport (SYD) to Jeju International Airport (CJU)・7,931 km

No nonstop flights. The fastest connection is via Taipei (TPE), about 10h 49m of flying time (layover not included).

With milesANA 27,500 miles+ (via PEK)JAL 37,000 miles+ (via PVG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

16 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.