Are there nonstop flights from Seoul (ICN) to Nagoya (NKM)?

No. The fastest connection is via Fukuoka, about 2h 24m of total flying time.

What is the fastest connection from Seoul (ICN) to Nagoya (NKM)?

via Fukuoka ≈ 2h 24m, via Kumamoto ≈ 2h 30m, via Niigata ≈ 2h 44m (estimated flying time, excluding layovers).

Incheon International Airport (ICN) to Nagoya Airport / JASDF Komaki Air Base (NKM)・969 km

No nonstop flights. The fastest connection is via Fukuoka (FUK), about 2h 24m of flying time (layover not included).

None.

4 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.