CNX to ICN: Distance and Flight Time
The distance from Chiang Mai International Airport (CNX) to Incheon International Airport (ICN) is 3,382 km (2,102 mi). A typical nonstop flight covers it in about 4h 45m, heading northeast. The distance is the same in either direction (ICN to CNX).
How far is it from Chiang Mai to Seoul?
The great-circle distance between Chiang Mai International Airport (CNX) and Incheon International Airport (ICN) is 3,382 km (2,102 mi, 1,826 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from CNX to ICN?
A nonstop flight typically takes about 4h 45m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. ICN is roughly northeast of CNX.
How is the CNX to ICN route written in code?
The pair is written CNX-ICN in IATA codes and VTCC-RKSI in ICAO codes, the form used on a flight plan. Chiang Mai International Airport is CNX (VTCC), Incheon International Airport is ICN (RKSI).
| CNX | ICN | |
|---|---|---|
| Airport | Chiang Mai International Airport | Incheon International Airport |
| ICAO code | VTCC | RKSI |
| Country | Thailand | South Korea |
| Elevation | 1,036 ft | 23 ft |
| Rank by connections | #323 | #14 |
VTCC starts with V, the ICAO prefix for South and Southeast Asia; RKSI starts with R, the prefix for East Asia. How ICAO prefixes are laid out.
ICN sits 1,013 ft (309 m) lower than CNX, which is a real difference in air density on takeoff.
Airlines flying CNX to ICN
3 airlines appear on this route in the open route dataset, 3 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| 8B | BusinessAir | BCC | - | Active |
| KE | Korean Air | KAL | Koreanair | Active |
| LJ | Jin Air | JNA | Jin Air | Active |
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Chiang Mai from Seoul?
Chiang Mai International Airport (CNX) and Incheon International Airport (ICN) are 3,382 km (2,102 mi, 1,826 nautical miles) apart in a straight line.
How long is the flight from CNX to ICN?
A typical nonstop flight between CNX and ICN takes about 4h 45m. Actual times vary with aircraft type, winds and routing.
What direction is ICN from CNX?
Incheon International Airport (ICN) lies roughly northeast of Chiang Mai International Airport (CNX).
Which airlines fly CNX to ICN?
3 airlines appear on the CNX-ICN route in the open dataset, including BusinessAir, Korean Air, Jin Air.
Related routes
Other routes from Chiang Mai (CNX):
Other routes from Seoul (ICN):
CNX airport code · ICN airport code · Busiest airports worldwide