Are there nonstop flights from Jeju City (CJU) to Bangkok (DMK)?

No. The fastest connection is via Hangzhou, about 5h of total flying time.

What is the fastest connection from Jeju City (CJU) to Bangkok (DMK)?

via Hangzhou ≈ 5h, via Shanghai ≈ 5h, via Guangzhou ≈ 5h 1m (estimated flying time, excluding layovers).

Jeju International Airport (CJU) to Don Mueang International Airport (DMK)・3,401 km

No nonstop flights. The fastest connection is via Hangzhou (HGH), about 5h of flying time (layover not included).

None.

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.