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URT to KTM: distance & flight time
Surat Thani (Surat Thani Airport) → Kathmandu (Tribhuvan International Airport)
1,566 mi
2,519 km · 1,360 nm
3h 32m
estimated nonstop flight time
-1.2h
time difference · heading northwest
See live URT→KTM fares Phone-only fares on this route — call free
Flight time details
1,566 miles nonstop takes roughly 3h 32m 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
- URT — Surat Thani Airport · Surat Thani, 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 URT
- UNN · Ranong Airport58 mi away
- USM · Samui Airport69 mi away
- NST · Nakhon Si Thammarat Airport69 mi away
- KBV · Krabi Airport72 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 URT from KTM?
The flight distance from Surat Thani (URT) to Kathmandu (KTM) is 1,566 miles (2,519 km, 1,360 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from URT to KTM?
A nonstop flight takes about 3h 32m 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 Surat Thani and Kathmandu?
Kathmandu is 1.2 hours behind Surat Thani.
What is the cheapest way to fly from URT to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on URT–KTM that never appear on search engines, with no booking fees.