AirHint found the following cheapest one-way flights from Kathmandu (KTM) to Istanbul (IST) in December 2025 (see full year).
One-Way flights
| 16 Dec | Nepal Airlines | ||
| 15 Dec | Nepal Airlines | ||
| 01 Dec | IndiGo | ||
| 02 Dec | Nepal Airlines | ||
| 07 Dec | Nepal Airlines | ||
| 19 Dec | Nepal Airlines | ||
| 22 Dec | Air Arabia | ||
| 24 Dec | Air Arabia | ||
| 26 Dec | Air Arabia | ||
| 27 Dec | Air Arabia |
Also check the deals for return flights from Kathmandu to Istanbul in December.
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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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