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

Return flights

09 Dec - 16 Dec	Air India
09 Dec - 27 Dec	Air India
02 Dec - 09 Dec	Turkish Airlines
26 Dec - 05 Jan	SunExpress
05 Dec - 28 Dec	Air India
14 Dec - 07 Jan	Kuwait Airways
01 Dec - 24 Dec	Air India
15 Dec - 25 Dec	Turkish Airlines
12 Dec - 27 Dec	Kuwait Airways
29 Dec - 17 Jan	Etihad Airways
15 Dec - 15 Jan	Cathay Pacific
11 Dec - 11 Jan	Cathay Pacific
15 Dec - 07 Jan	Turkish Airlines
12 Dec - 06 Jan	Cathay Pacific
19 Dec - 22 Jan	Turkish Airlines
15 Dec - 04 Jan	Turkish Airlines
07 Dec - 13 Jan	Kuwait Airways
01 Dec - 30 Dec	Lufthansa

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Kathmandu in December from 655€

Return flights