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

Return flights

25 Aug - 30 Aug	China Eastern
25 Aug - 01 Sep	China Eastern
04 Aug - 26 Aug	China Eastern
04 Aug - 30 Aug	China Eastern
04 Aug - 28 Aug	China Eastern
28 Aug - 03 Sep	IndiGo
05 Aug - 19 Aug	Thai Lion Air
04 Aug - 14 Aug	China Eastern
06 Aug - 21 Aug	China Eastern
21 Aug - 09 Sep	IndiGo
08 Aug - 12 Aug	China Eastern
03 Aug - 06 Aug	HK Express
15 Aug - 29 Aug	IndiGo
30 Aug - 07 Sep	IndiGo
21 Aug - 09 Sep	Cathay Pacific	direct
25 Aug - 01 Sep	Cathay Pacific	direct
28 Aug - 03 Sep	Cathay Pacific	direct

Also check the deals for one-way flights from Hong Kong to Kathmandu in August.

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 August from $253

Return flights