Need help booking?
Unpublished phone-only deals available
KTM to CNX: distance & flight time
Kathmandu (Tribhuvan International Airport) → Chiang Mai (Chiang Mai International Airport)
1,060 mi
1,706 km · 921 nm
2h 46m
estimated nonstop flight time
+1.3h
time difference · heading southeast
See live KTM→CNX fares Phone-only fares on this route — call free
Flight time details
1,060 miles nonstop takes roughly 2h 46m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.3-hour time gain when reading arrival times on your ticket.
The two airports
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
- 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 KTM
- SIF · Simara Airport44 mi away
- RHP · Ramechhap Airport48 mi away
- BHR · Bharatpur Airport57 mi away
- MEY · Meghauli Airport70 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 KTM from CNX?
The flight distance from Kathmandu (KTM) to Chiang Mai (CNX) is 1,060 miles (1,706 km, 921 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to CNX?
A nonstop flight takes about 2h 46m 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 Kathmandu and Chiang Mai?
Chiang Mai is 1.3 hours ahead of Kathmandu.
What is the cheapest way to fly from KTM to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–CNX that never appear on search engines, with no booking fees.