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

Return flights

18 Sep - 24 Sep	Air China
17 Sep - 25 Sep	Air China
15 Sep - 22 Sep	Air China
15 Sep - 23 Sep	Air China
12 Sep - 16 Sep	Air China
16 Sep - 23 Sep	Air China
16 Sep - 21 Sep	Lufthansa	direct
11 Sep - 18 Sep	Air China
11 Sep - 22 Sep	Air China
25 Sep - 13 Oct	Air China
13 Sep - 20 Sep	Air China
01 Sep - 17 Oct	Emirates
27 Sep - 26 Oct	Emirates
25 Sep - 07 Oct	Emirates
20 Sep - 03 Oct	Air China
27 Sep - 09 Oct	Emirates
27 Sep - 06 Oct	Thai Airways
26 Sep - 05 Oct	Thai Airways
26 Sep - 06 Oct	Thai Airways
26 Sep - 04 Oct	Air India

Also check the deals for one-way flights from Hong Kong to Frankfurt 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 Frankfurt in September from 485€

Return flights