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ICN to CNX: distance & flight time
Seoul (Incheon International Airport) → Chiang Mai (Chiang Mai International Airport)
2,102 mi
3,382 km · 1,826 nm
4h 35m
estimated nonstop flight time
-2h
time difference · heading southwest
See live ICN→CNX fares Phone-only fares on this route — call free
Flight time details
2,102 miles nonstop takes roughly 4h 35m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- ICN — Incheon International Airport · Seoul, South Korea
- CNX — Chiang Mai International Airport · Chiang Mai, Thailand
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 mi away
Near CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 mi away
Frequently asked questions
How far is ICN from CNX?
The flight distance from Seoul (ICN) to Chiang Mai (CNX) is 2,102 miles (3,382 km, 1,826 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ICN to CNX?
A nonstop flight takes about 4h 35m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Seoul and Chiang Mai?
Chiang Mai is 2 hours behind Seoul.
What is the cheapest way to fly from ICN to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ICN–CNX that never appear on search engines, with no booking fees.