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

Return flights

02 Dec - 15 Dec	Pegasus Airlines
03 Dec - 15 Dec	Pegasus Airlines
02 Dec - 12 Dec	Ryanair
10 Dec - 15 Dec	Pegasus Airlines
06 Dec - 21 Dec	Ryanair
02 Dec - 13 Dec	Ryanair
05 Dec - 11 Dec	Pegasus Airlines
03 Dec - 20 Jan	Pegasus Airlines
01 Dec - 16 Dec	Pegasus Airlines
01 Dec - 22 Dec	Pegasus Airlines
04 Dec - 19 Dec	Ryanair
08 Dec - 24 Jan	Pegasus Airlines
31 Dec - 29 Jan	Ryanair
10 Dec - 27 Jan	Ryanair
17 Dec - 19 Jan	Ryanair
27 Dec - 30 Jan	Ryanair
19 Dec - 12 Jan	Ryanair
20 Dec - 21 Jan	Ryanair
27 Dec - 18 Jan	Ryanair
19 Dec - 22 Jan	Ryanair

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 447€

Return flights