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

Return flights

11 Sep - 17 Sep	Air China
28 Sep - 01 Oct	Scoot Tigerair
12 Sep - 19 Sep	Air China
11 Sep - 19 Sep	Air China
14 Sep - 19 Sep	Air China
20 Sep - 27 Sep	HK Express
21 Sep - 28 Sep	Scoot Tigerair
21 Sep - 30 Sep	Scoot Tigerair
07 Sep - 15 Sep	Scoot Tigerair
25 Sep - 29 Sep	Scoot Tigerair
25 Sep - 30 Sep	Scoot Tigerair
23 Sep - 10 Oct	Scoot Tigerair
25 Sep - 05 Oct	Scoot Tigerair
30 Sep - 06 Oct	Singapore Airlines
19 Sep - 04 Oct	Air China
19 Sep - 03 Oct	Air China
20 Sep - 03 Oct	Scoot Tigerair
25 Sep - 06 Oct	Scoot Tigerair
22 Sep - 03 Oct	Air France
30 Sep - 12 Oct	Scoot Tigerair

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 499€

Return flights