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

Return flights

28 Dec - 12 Jan	Wizz Air Malta
17 Dec - 24 Dec	Ryanair
31 Dec - 10 Jan	AJet
23 Dec - 07 Jan	Wizz Air Malta
27 Dec - 06 Jan	Wizz Air Malta
28 Dec - 06 Jan	Wizz Air Malta
27 Dec - 10 Jan	Wizz Air Malta
21 Dec - 15 Jan	Wizz Air
28 Dec - 05 Jan	Wizz Air Malta
20 Dec - 28 Dec	Ryanair
27 Dec - 05 Jan	Wizz Air Malta
16 Dec - 23 Dec	Ryanair
25 Dec - 10 Jan	AJet
19 Dec - 26 Dec	IndiGo

Also check the deals for one-way flights from Rome 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 Rome to Kathmandu in December from 663€

Return flights