AirHint found the following cheapest return flights from Istanbul (IST) to Kathmandu (KTM) in September 2026 (see full year).
Return flights
| 02 Sep - 24 Sep | Air Arabia | ||
| 23 Sep - 14 Oct | Air Arabia | ||
| 24 Sep - 15 Oct | Air Arabia | ||
| 12 Sep - 05 Oct | Air Arabia | ||
| 12 Sep - 05 Oct | Turkish Airlines | direct | |
| 02 Sep - 24 Sep | Turkish Airlines | direct |
Also check the deals for one-way flights from Istanbul to Kathmandu in September.
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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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