Are there nonstop flights from Osaka (KIX) to Cheongju (CJJ)?

Yes. Trinity Airways, Aero K fly this route. Flight time is about 1h 23m.

What is the fastest connection from Osaka (KIX) to Cheongju (CJJ)?

via Fukuoka ≈ 2h 3m, via Jeju City ≈ 2h 23m, via Tokyo ≈ 2h 57m (estimated flying time, excluding layovers).

Kansai International Airport (KIX) to Cheongju International Airport/Cheongju Air Base (K-59/G-513) (CJJ)・745 km

Nonstop flights available (2 airlines). Flight time about 1h 23m. Nonstop return flights also operate.

5 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.