Cheapest return flights from Istanbul to Kathmandu in December from $502

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

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

Return flights

08 Dec - 15 Dec Air Arabia
01 Dec - 07 Dec Air Arabia
21 Dec - 30 Dec Air Arabia
24 Dec - 31 Dec Air Arabia
08 Dec - 15 Dec Turkish Airlines direct
21 Dec - 30 Dec Turkish Airlines direct
01 Dec - 07 Dec Turkish Airlines direct
24 Dec - 31 Dec Turkish Airlines direct

Also check the deals for one-way flights from Istanbul to Kathmandu 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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