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Flights between Istanbul (IST) and Kathmandu (KTM)

Istanbul Airport, Turkey ↔ Tribhuvan International Airport, Nepal

A direct route between Istanbul and Kathmandu appears in the OpenFlights route network.

This reflects historical scheduled service and may be out of date — it is not a live timetable.

Airlines that have operated this route include:

Turkish Airlines (TK)
Distance
5,305 km
3,296 miles
Est. flight time
7h 8m
great-circle estimate
Time difference
~2.8h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in Turkey

Jan
9°
14/4
55mm
Feb
10°
15/5
50mm
Mar
14°
19/9
50mm
Apr
19°
24/14
45mm
May
24°
29/19
35mm
Jun
28°
33/23
20mm
Jul
31°
36/26
15mm
Aug
31°
36/26
15mm
Sep
27°
32/22
25mm
Oct
21°
26/16
50mm
Nov
15°
20/10
60mm
Dec
10°
15/5
65mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Nepal

Jan
19°
24/14
20mm
Feb
21°
26/16
25mm
Mar
27°
32/22
30mm
Apr
30°
35/25
60mm
May
30°
35/25
130mm
Jun
30°
35/25
230mm
Jul
29°
34/24
380mm
Aug
29°
34/24
350mm
Sep
29°
34/24
220mm
Oct
27°
32/22
70mm
Nov
23°
28/18
10mm
Dec
19°
24/14
15mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

Turkey: Caution — some areas (UK FCDO) ↗Nepal: Normal precautions (UK FCDO) ↗

Common questions

How far is Istanbul from Kathmandu?

Istanbul (IST) and Kathmandu (KTM) are around 5,305 km (3,296 miles) apart — an estimated 7h 8m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the IST–KTM route?

Airlines recorded operating this route in the OpenFlights network include Turkish Airlines. This reflects historical scheduled service and may be out of date.

What is the time difference between Istanbul and Kathmandu?

Time difference ~ 2.8 hours (varies with daylight-saving).

When is it warmest in Nepal?

Across Nepal, the warmest month on average is April, with mean temperatures around 30°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for Turkey and Nepal?

The UK FCDO currently rates Turkey as Caution — some areas; The UK FCDO rates Nepal as Normal precautions. Check the official sources before you travel.

Distances and flight times are great-circle estimates, not booked block times.