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

Return flights

19 Sep - 27 Sep	Air China
19 Sep - 29 Sep	Air China
19 Sep - 26 Sep	Air China
18 Sep - 29 Sep	Air China
17 Sep - 24 Sep	Emirates
21 Sep - 22 Sep	Air China
18 Sep - 25 Sep	Emirates
24 Sep - 29 Sep	China Eastern
17 Sep - 26 Sep	Air China
19 Sep - 01 Oct	Air China
16 Sep - 23 Sep	Emirates
20 Sep - 02 Oct	China Eastern
30 Sep - 13 Oct	China Eastern
24 Sep - 07 Oct	China Eastern
25 Sep - 08 Oct	Hainan Airlines
25 Sep - 07 Oct	Hainan Airlines
18 Sep - 02 Oct	T'way Air
17 Sep - 02 Oct	Hainan Airlines
18 Sep - 03 Oct	T'way Air
25 Sep - 04 Oct	Hainan Airlines

Also check the deals for one-way flights from Hong Kong to Athens 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 Athens in September from 395€

Return flights