Direct (nonstop) flights from Istanbul to Kathmandu

1 airline flys nonstop from Istanbul Airport (IST) to Tribhuvan International (KTM). It's 3,303 miles (5,315 km), about 7h 5m in the air. Operated by Turkish Airlines.

IST
Istanbul Airport
🇹🇷 Istanbul, Turkiye
KTM
Tribhuvan International
🇳🇵 Kathmandu, Nepal
Flight Time
7h 5m
Distance
3,303 mi
5,315 km
CO₂/pax
505 kg
−49 kg vs. layover
Airlines
1
Turkish Airlines
Time Diff
+2h
Operated by Turkish Airlines Turkish Airlines

Route data last updated: May 29, 2026

Airlines with non-stop flights

Turkish Airlines TK Turkish Airlines
Route
IST → KTM
Flight Time
7h 5m
Distance
3,303 mi

Alternative Routes

Other ways to fly from Istanbul to Kathmandu with one stop · direct emits 505 kg CO₂ per passenger

IST DEL (Delhi) KTM
Leg 1: 6h (2,842 mi) Leg 2: 1h 45m (507 mi) Total: ~7h 45m 🍃 554 kg CO₂ (+10% vs. direct)
Leg 1
IST → DEL
6h · 2,842 mi
View IST to DEL flights →
Leg 2
DEL → KTM
1h 45m · 507 mi
View DEL to KTM flights →
IST KTM (Kathmandu) KTM
Leg 1: 7h 5m (3,303 mi) Leg 2: 1h (0 mi) Total: ~8h 5m 🍃 530 kg CO₂ (+5% vs. direct)
Leg 1
IST → KTM
7h 5m · 3,303 mi
View IST to KTM flights →
Leg 2
KTM → KTM
1h · 0 mi
View KTM to KTM flights →
IST KWI (Kuwait) KTM
Leg 1: 3h 30m (1,361 mi) Leg 2: 4h 40m (2,267 mi) Total: ~8h 10m 🍃 638 kg CO₂ (+26% vs. direct)
Leg 1
IST → KWI
3h 30m · 1,361 mi
View IST to KWI flights →
Leg 2
KWI → KTM
4h 40m · 2,267 mi
View KWI to KTM flights →
IST SHJ (Sharjah) KTM
Leg 1: 4h 23m (1,886 mi) Leg 2: 3h 55m (1,850 mi) Total: ~8h 18m 🍃 657 kg CO₂ (+30% vs. direct)
Leg 1
IST → SHJ
4h 23m · 1,886 mi
View IST to SHJ flights →
Leg 2
SHJ → KTM
3h 55m · 1,850 mi
View SHJ to KTM flights →
IST DOH (Doha) KTM
Leg 1: 4h 5m (1,713 mi) Leg 2: 4h 30m (2,090 mi) Total: ~8h 35m 🍃 667 kg CO₂ (+32% vs. direct)
Leg 1
IST → DOH
4h 5m · 1,713 mi
View IST to DOH flights →
Leg 2
DOH → KTM
4h 30m · 2,090 mi
View DOH to KTM flights →

Frequently Asked Questions

How long is the direct flight from Istanbul to Kathmandu?

A nonstop flight from Istanbul (IST) to Kathmandu (KTM) takes approximately 7 hours and 5 minutes. The distance is 3,303 miles (5,315 km).

Which airlines fly nonstop from Istanbul to Kathmandu?

Just Turkish Airlines.

Is there a nonstop flight from Istanbul to Kathmandu?

Yes. 1 airline: Turkish Airlines.

How far is Istanbul from Kathmandu?

The flight distance from Istanbul to Kathmandu is 3,303 miles (5,315 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to New York.

What is the time difference between Istanbul and Kathmandu?

Kathmandu is 2 hours ahead of Istanbul. (Europe/Istanbul vs Asia/Kathmandu.)

What type of aircraft flies from Istanbul to Kathmandu?

At 7h 5m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.

Do I need a visa to travel from Turkiye to Nepal?

Depends on your passport. Check with the Nepal embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Istanbul to Kathmandu?

Roughly 505 kg CO2 per passenger one-way. That's about the same as driving 2,525 km.

Is the return flight from Kathmandu to Istanbul also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Istanbul to Kathmandu?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Istanbul Airport for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.