---
title: "Kathmandu Tribhuvan International Airport (VNKT / KTM)"
description: "Kathmandu Tribhuvan International Airport (ICAO VNKT, IATA KTM) is at an altitude of 1,338 m (4,390 ft) above sea level, in Kathmandu district, Nepal. A breath there holds about 85% of a sea-level breath's oxygen, like breathing 17.8% oxygen at the coast. 4 published helicopter flights leave from here."
source: "https://gohelinepal.com/airports/vnkt"
markdown: "https://gohelinepal.com/md/airports/vnkt"
site: "Go Heli Nepal"
---

# Kathmandu Airport altitude: 1,338 m · 4,390 ft

Kathmandu Tribhuvan International Airport (ICAO VNKT, IATA KTM) is at an altitude of 1,338 m (4,390 ft) above sea level, in Kathmandu district, Nepal. A breath there holds about 85% of a sea-level breath's oxygen, like breathing 17.8% oxygen at the coast. 4 published helicopter flights leave from here.

## Key facts

| Fact | Value | Note |
| --- | --- | --- |
| Codes | ICAO VNKT · IATA KTM | ICAO for pilots, IATA for airline tickets |
| Type | Airport with scheduled flights | Scheduled airline service |
| Elevation | 1,338 m (4,390 ft) | Above sea level |
| Air at this height | 17.8% effective oxygen · 863 hPa | 85% of a sea-level breath; sea level is 20.9% at 1,013 hPa. Standard atmosphere, not a forecast |
| Coordinates | 27.6966° N, 85.3591° E | Kathmandu district, Nepal |
| Flights | 4 published flights, 5 private charter legs: [Everest Base Camp Helicopter Tour](https://gohelinepal.com/flights/everest-base-camp-helicopter-tour), [Langtang Valley Helicopter Tour](https://gohelinepal.com/flights/langtang-valley-helicopter-tour), [Gosaikunda Lake Helicopter Tour](https://gohelinepal.com/flights/gosaikunda-lake-helicopter-tour), [Pathibhara Temple Helicopter](https://gohelinepal.com/flights/pathibhara-temple-helicopter), [Kathmandu to Kala Patthar private charter](https://gohelinepal.com/charter/vnkt-to-npkp), [Kathmandu to Kyanjin Gompa private charter](https://gohelinepal.com/charter/vnkt-to-npkg), [Kathmandu to Gosaikunda private charter](https://gohelinepal.com/charter/vnkt-to-npgk), [Kathmandu to Pathibhara Temple private charter](https://gohelinepal.com/charter/vnkt-to-nppt), [Lukla to Kathmandu private charter](https://gohelinepal.com/charter/vnlk-to-vnkt) |  |

## Questions

### How high is Kathmandu above sea level?

Kathmandu Tribhuvan International Airport is 1,338 m (4,390 ft) above sea level, the airport's surveyed elevation. It is in Kathmandu district, Nepal, at 27.6966° N, 85.3591° E.

### How much oxygen is there at Kathmandu?

Air at Kathmandu, 1,338 m (4,390 ft) up, is still 20.9% oxygen, but the pressure is about 863 hPa against 1,013 hPa at sea level. A breath there holds about 85% of the oxygen of a sea-level breath, the same as breathing 17.8% oxygen at the coast. These are standard-atmosphere figures, not a forecast.

### Which helicopter flights use Kathmandu Tribhuvan International Airport?

Everest Base Camp Helicopter Tour, Langtang Valley Helicopter Tour, Gosaikunda Lake Helicopter Tour and Pathibhara Temple Helicopter leave from here. We ask every licensed operator that flies the route to quote your date and book you the cheapest.

### What is the nearest airport to Gosaikunda?

Kathmandu Tribhuvan International Airport (VNKT, KTM), about 43 km from the Gosaikunda landing site in a straight line. It is also the nearest airport with scheduled flights to Kyanjin Gompa (61 km).

## Nearest other sites

- [Gosaikunda landing site](https://gohelinepal.com/airports/npgk) — 43 km, straight line
- [Kyanjin Gompa landing site](https://gohelinepal.com/airports/npkg) — 61 km, straight line
- [Manaslu Base Camp](https://gohelinepal.com/airports/npmb) — 123 km, straight line
- [Hotel Everest View landing site](https://gohelinepal.com/airports/npev) — 134 km, straight line