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

Return flights

01 Dec - 13 Dec	Pegasus Airlines
05 Dec - 14 Dec	Pegasus Airlines
01 Dec - 20 Dec	Pegasus Airlines
04 Dec - 14 Dec	Wizz Air
17 Dec - 23 Dec	Wizz Air Malta
29 Dec - 09 Jan	Pegasus Airlines
20 Dec - 07 Jan	Wizz Air Malta
24 Dec - 07 Jan	Wizz Air Malta
22 Dec - 07 Jan	Ryanair
19 Dec - 03 Jan	Pegasus Airlines
24 Dec - 06 Jan	Wizz Air Malta
21 Dec - 06 Jan	AJet
20 Dec - 06 Jan	Wizz Air Malta
25 Dec - 06 Jan	Wizz Air
25 Dec - 31 Dec	Wizz Air
23 Dec - 06 Jan	Pegasus Airlines

Also check the deals for one-way flights from Madrid 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.

Book a cheap hotel in Kathmandu

Cheap car rent in Kathmandu

Cheapest return flights from Madrid to Kathmandu in December from 541€

Return flights