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

Return flights

17 Aug - 24 Aug	HK Express
27 Aug - 03 Sep	Air China
24 Aug - 31 Aug	Sichuan Airlines
08 Aug - 15 Aug	Hong Kong Airlines
02 Aug - 30 Aug	Thai Airways
01 Aug - 09 Aug	T'way Air
07 Aug - 14 Aug	Qatar Airways
04 Aug - 18 Aug	Qatar Airways
05 Aug - 12 Aug	SWISS
01 Aug - 11 Aug	Cathay Pacific
03 Aug - 18 Aug	Cathay Pacific

Also check the deals for one-way flights from Hong Kong to Hahn 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 Hahn in August from 785€

Return flights