Niigata→SeoulNonstop Flight TimeKIJ–ICN

Niigata (Niigata Airport) to Seoul (Incheon International Airport).

Direct flights from KIJ to ICN have an estimated flight time of about 2h 1m, based on the 693-mile great-circle distance. Our current captured departure sample includes 1/day across 1 captured airline, with Korean Air appearing most often in that sample.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for KIJ to ICN, last seen June 15, 2026. Frequency uses 7 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.