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CEI to KTM: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Kathmandu (Tribhuvan International Airport)
1,061 mi
1,708 km · 922 nm
2h 46m
estimated nonstop flight time
-1.2h
time difference · heading northwest
See live CEI→KTM fares Phone-only fares on this route — call free
Flight time details
1,061 miles nonstop takes roughly 2h 46m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.2-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Near KTM
- SIF · Simara Airport44 mi away
- RHP · Ramechhap Airport48 mi away
- BHR · Bharatpur Airport57 mi away
- MEY · Meghauli Airport70 mi away
Frequently asked questions
How far is CEI from KTM?
The flight distance from Chiang Rai (CEI) to Kathmandu (KTM) is 1,061 miles (1,708 km, 922 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to KTM?
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 Chiang Rai and Kathmandu?
Kathmandu is 1.2 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–KTM that never appear on search engines, with no booking fees.