Seoul (ICN) to Chiang Mai (CNX) flights
Nonstop from Incheon International to Chiang Mai International Airport: distance, flying time, which airlines fly it and how often.
Distance
2,101 mi, great circle
Flying time
typical, gate to gate
Flights a day
average, November 2026
Airlines
passenger airlines
Airlines flying ICN to CNX
Also in the data (cargo, charter or a foreign airline on a domestic route): Air Busan, EASTAR JET, Jin Air.
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare ICN to CNX fares by month.
Both directions
- Chiang Mai International Airport (CNX) · we don't have CNX's route list yet
- All nonstop routes from Seoul (ICN)
- ICN to CNX on the flight-path tool
Frequently asked questions
How long is the flight from Seoul to Chiang Mai?
About 4h 42m gate to gate for the 3,382 km (2,101 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from ICN to CNX?
Jeju Air and Korean Air, with about 4.7 flights a day between them in our data (AeroDataBox, November 2026).