Cheapest return flights from Kathmandu to Istanbul in December from $480

AirHint found the following cheapest return flights from Kathmandu (KTM) to Istanbul (IST) in December 2025 (see full year).

Return flights

08 Dec - 22 Dec IndiGo
28 Dec - 04 Jan Air Arabia
26 Dec - 04 Jan Air Arabia
27 Dec - 04 Jan Air Arabia
26 Dec - 03 Jan Air Arabia
02 Dec - 06 Dec Air Arabia
01 Dec - 13 Dec Air Arabia
14 Dec - 19 Dec Air Arabia
27 Dec - 04 Jan Turkish Airlines direct
28 Dec - 04 Jan Turkish Airlines direct
02 Dec - 06 Dec Turkish Airlines direct
01 Dec - 13 Dec Turkish Airlines direct

Also check the deals for one-way 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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