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

Return flights

15 Sep - 19 Sep	Air China
18 Sep - 24 Sep	Air China
16 Sep - 23 Sep	Air China
13 Sep - 23 Sep	Air China
12 Sep - 16 Sep	Air China
13 Sep - 21 Sep	Air China
12 Sep - 17 Sep	Air China
12 Sep - 22 Sep	Air China
04 Sep - 13 Sep	China Eastern
03 Sep - 13 Sep	China Eastern
22 Sep - 13 Oct	Air China
25 Sep - 02 Oct	Emirates
29 Sep - 06 Oct	Air India
19 Sep - 02 Oct	SWISS
25 Sep - 13 Oct	Finnair
22 Sep - 04 Oct	Air India
26 Sep - 02 Oct	Emirates
27 Sep - 05 Oct	Emirates
24 Sep - 05 Oct	SWISS
30 Sep - 12 Oct	Finnair

Also check the deals for one-way flights from Hong Kong to Copenhagen 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 Copenhagen in September from 432€

Return flights