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IRB to KTM: distance & flight time
Iraan (Iraan Municipal Airport) → Kathmandu (Tribhuvan International Airport)
8,360 mi
13,454 km · 7,264 nm
16h 51m
estimated nonstop flight time
+10.8h
time difference · heading north
See live IRB→KTM fares Phone-only fares on this route — call free
Flight time details
8,360 miles nonstop takes roughly 16h 51m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.8-hour time gain when reading arrival times on your ticket.
The two airports
- IRB — Iraan Municipal Airport · Iraan, United States
- 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 IRB
- OZA · Ozona Municipal Airport43 mi away
- FST · Fort Stockton Pecos County Airport61 mi away
- MAF · Midland International Airport74 mi away
- SJT · San Angelo Regional Mathis Field88 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 IRB from KTM?
The flight distance from Iraan (IRB) to Kathmandu (KTM) is 8,360 miles (13,454 km, 7,264 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IRB to KTM?
A nonstop flight takes about 16h 51m 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 Iraan and Kathmandu?
Kathmandu is 10.8 hours ahead of Iraan.
What is the cheapest way to fly from IRB to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IRB–KTM that never appear on search engines, with no booking fees.