Need help booking?
Unpublished phone-only deals available
KTM to IAG: distance & flight time
Kathmandu (Tribhuvan International Airport) → Niagara Falls (Niagara Falls International Airport)
7,444 mi
11,980 km · 6,469 nm
15h 4m
estimated nonstop flight time
-9.7h
time difference · heading north
See live KTM→IAG fares Phone-only fares on this route — call free
Flight time details
7,444 miles nonstop takes roughly 15h 4m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.7-hour time set-back when reading arrival times on your ticket.
The two airports
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
- IAG — Niagara Falls International Airport · Niagara Falls, United States
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 IAG
- YYZ · Lester B. Pearson International Airport52 mi away
- YCM · Niagara District Airport13 mi away
- BUF · Buffalo Niagara International Airport16 mi away
- DU9 · Dunnville Airport37 mi away
Frequently asked questions
How far is KTM from IAG?
The flight distance from Kathmandu (KTM) to Niagara Falls (IAG) is 7,444 miles (11,980 km, 6,469 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to IAG?
A nonstop flight takes about 15h 4m 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 Niagara Falls?
Niagara Falls is 9.7 hours behind Kathmandu.
What is the cheapest way to fly from KTM to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–IAG that never appear on search engines, with no booking fees.