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

Return flights

05 Dec - 13 Dec	IndiGo
12 Dec - 28 Jan	IndiGo
15 Dec - 31 Jan	IndiGo
05 Dec - 18 Jan	IndiGo
21 Dec - 11 Jan	IndiGo
15 Dec - 28 Jan	Etihad Airways
31 Dec - 07 Jan	Turkish Airlines
24 Dec - 10 Jan	Turkish Airlines
16 Dec - 27 Jan	Qatar Airways
08 Dec - 08 Jan	Turkish Airlines
20 Dec - 10 Jan	Turkish Airlines

Also check the deals for one-way flights from Dublin 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 Dublin to Kathmandu in December from $931

Return flights