Are there nonstop flights from Seoul (GMP) to Taichung (RMQ)?

No. The fastest connection is via Jeju City, about 2h 55m of total flying time.

What is the fastest connection from Seoul (GMP) to Taichung (RMQ)?

via Jeju City ≈ 2h 55m, via Busan ≈ 3h 6m, via Nagoya ≈ 4h 25m (estimated flying time, excluding layovers).

Seoul Gimpo International Airport (GMP) to Taichung International Airport / Ching Chuang Kang Air Base (RMQ)・1,590 km

No nonstop flights. The fastest connection is via Jeju City (CJU), about 2h 55m of flying time (layover not included).

None.

3 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.