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USN to CNX: distance & flight time
Ulsan (Ulsan Airport) → Chiang Mai (Chiang Mai International Airport)
2,186 mi
3,518 km · 1,899 nm
4h 45m
estimated nonstop flight time
-2h
time difference · heading southwest
See live USN→CNX fares Phone-only fares on this route — call free
Flight time details
2,186 miles nonstop takes roughly 4h 45m 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
- USN — Ulsan Airport · Ulsan, 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 USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 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 USN from CNX?
The flight distance from Ulsan (USN) to Chiang Mai (CNX) is 2,186 miles (3,518 km, 1,899 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to CNX?
A nonstop flight takes about 4h 45m 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 Ulsan and Chiang Mai?
Chiang Mai is 2 hours behind Ulsan.
What is the cheapest way to fly from USN to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–CNX that never appear on search engines, with no booking fees.