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

Return flights

12 Aug - 17 Aug	Turkish Airlines
07 Aug - 19 Aug	Finnair
08 Aug - 24 Aug	Finnair
18 Aug - 25 Aug	Finnair
16 Aug - 24 Aug	Finnair
08 Aug - 19 Aug	Finnair
07 Aug - 26 Aug	Finnair
07 Aug - 18 Aug	Finnair
05 Aug - 18 Aug	Finnair
08 Aug - 17 Aug	Finnair
21 Aug - 03 Sep	SWISS
26 Aug - 02 Sep	Finnair
27 Aug - 06 Sep	Finnair
26 Aug - 01 Sep	Finnair
29 Aug - 06 Sep	Emirates
21 Aug - 01 Sep	Finnair

Also check the deals for one-way flights from Hong Kong to Vienna 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 Vienna in August from $652

Return flights