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

Return flights

21 Sep - 28 Sep	Air China
22 Sep - 27 Sep	Air China
11 Sep - 18 Sep	Air China
19 Sep - 26 Sep	Air China
21 Sep - 27 Sep	Air China
18 Sep - 27 Sep	Air China
22 Sep - 12 Oct	Air China
15 Sep - 30 Sep	Hainan Airlines
01 Sep - 07 Sep	Hainan Airlines
10 Sep - 14 Sep	Hainan Airlines
14 Sep - 24 Sep	Air China
24 Sep - 12 Oct	Air China
21 Sep - 02 Oct	Emirates
20 Sep - 01 Oct	Emirates
22 Sep - 02 Oct	Emirates
22 Sep - 01 Oct	Emirates
23 Sep - 12 Oct	Air China
28 Sep - 03 Oct	Finnair
25 Sep - 13 Oct	Emirates
24 Sep - 13 Oct	Emirates

Also check the deals for one-way flights from Hong Kong to Vienna in September.

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 September from $477

Return flights