Cheapest one-way flights from Istanbul to Kathmandu in September from $193

Best time to book flights for Istanbul (IST) to Kathmandu (KTM) flights at AirHint

AirHint found the following cheapest one-way flights from Istanbul (IST) to Kathmandu (KTM) in September 2025 (see full year).

One-Way flights

08 Sep Pegasus Airlines
03 Sep Air Arabia
16 Sep IndiGo
17 Sep IndiGo
15 Sep flydubai
07 Sep flydubai
06 Sep flydubai
08 Sep Turkish Airlines direct
17 Sep Turkish Airlines direct
03 Sep Turkish Airlines direct

Also check the deals for return flights from Istanbul to Kathmandu in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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