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

Return flights

01 Dec - 17 Dec	Pegasus Airlines
01 Dec - 15 Dec	Pegasus Airlines
01 Dec - 16 Dec	Pegasus Airlines
02 Dec - 15 Dec	AJet
05 Dec - 20 Dec	Pegasus Airlines
02 Dec - 09 Dec	AJet
01 Dec - 05 Dec	IndiGo
17 Dec - 24 Dec	Vueling Airlines
04 Dec - 27 Dec	Wizz Air
22 Dec - 18 Jan	Pegasus Airlines
06 Dec - 31 Dec	AJet
23 Dec - 07 Jan	Pegasus Airlines
22 Dec - 07 Jan	Pegasus Airlines
22 Dec - 09 Jan	Pegasus Airlines
21 Dec - 10 Jan	Wizz Air Malta
22 Dec - 08 Jan	Pegasus Airlines
06 Dec - 01 Jan	AJet
21 Dec - 09 Jan	Wizz Air Malta
23 Dec - 05 Jan	Pegasus Airlines
22 Dec - 05 Jan	Pegasus Airlines

Also check the deals for one-way flights from Brussels 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 Brussels to Kathmandu in December from $482

Return flights