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

Return flights

09 Dec - 16 Dec	IndiGo
13 Dec - 06 Jan	Nepal Airlines	direct
20 Dec - 06 Jan	Nepal Airlines	direct
20 Dec - 27 Dec	China Eastern
07 Dec - 12 Dec	IndiGo
07 Dec - 13 Dec	IndiGo
11 Dec - 14 Dec	IndiGo
16 Dec - 19 Dec	HK Express
12 Dec - 15 Dec	China Eastern
22 Dec - 31 Dec	China Eastern
29 Dec - 04 Jan	China Eastern
11 Dec - 18 Dec	IndiGo
15 Dec - 20 Dec	IndiGo
19 Dec - 06 Jan	China Eastern
25 Dec - 27 Jan	Thai AirAsia
17 Dec - 06 Jan	China Eastern
23 Dec - 05 Jan	Greater Bay Airlines
18 Dec - 06 Jan	China Eastern
24 Dec - 04 Jan	China Eastern
31 Dec - 04 Jan	Sichuan Airlines

Also check the deals for one-way flights from Hong Kong 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 Hong Kong to Kathmandu in December from $392

Return flights