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

Return flights

04 Dec - 17 Dec	Wizz Air Malta
11 Dec - 20 Jan	Wizz Air Malta
05 Dec - 15 Jan	Wizz Air Malta
13 Dec - 30 Jan	Wizz Air Malta
13 Dec - 31 Jan	Wizz Air Malta
12 Dec - 20 Jan	Wizz Air Malta
01 Dec - 04 Dec	Wizz Air Malta
05 Dec - 10 Jan	Turkish Airlines
10 Dec - 10 Jan	Turkish Airlines
20 Dec - 18 Jan	TAROM
01 Dec - 18 Dec	Turkish Airlines
20 Dec - 25 Jan	Turkish Airlines
19 Dec - 09 Jan	flydubai

Also check the deals for one-way flights from Bucharest 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 Bucharest to Kathmandu in December from $860

Return flights