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

Return flights

21 Dec - 18 Jan	Pegasus Airlines
20 Dec - 23 Jan	Pegasus Airlines
15 Dec - 10 Jan	Ryanair
01 Dec - 15 Dec	flydubai
06 Dec - 13 Jan	flydubai
05 Dec - 16 Jan	flydubai
13 Dec - 24 Jan	flydubai
23 Dec - 20 Jan	flydubai
30 Dec - 20 Jan	Qatar Airways
20 Dec - 15 Jan	flydubai
20 Dec - 18 Jan	flydubai

Also check the deals for one-way flights from Zagreb to Kathmandu in December.

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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Cheapest return flights from Zagreb to Kathmandu in December from 662€

Return flights