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

Return flights

31 Dec - 28 Jan	Pegasus Airlines
09 Dec - 21 Dec	Ryanair
10 Dec - 18 Dec	IndiGo
10 Dec - 17 Dec	Ryanair
08 Dec - 18 Dec	LOT
30 Dec - 21 Jan	AJet
27 Dec - 23 Jan	AJet
27 Dec - 14 Jan	AJet
09 Dec - 17 Dec	Pegasus Airlines
30 Dec - 22 Jan	Pegasus Airlines
30 Dec - 23 Jan	AJet
30 Dec - 19 Jan	Pegasus Airlines
30 Dec - 20 Jan	AJet
26 Dec - 26 Jan	AJet
10 Dec - 30 Dec	Ryanair
13 Dec - 21 Dec	Ryanair
15 Dec - 10 Jan	Ryanair
12 Dec - 31 Dec	Ryanair
18 Dec - 22 Dec	Ryanair
25 Dec - 29 Dec	AJet

Also check the deals for one-way flights from Copenhagen 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 Copenhagen to Kathmandu in December from 481€

Return flights