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

Return flights

15 Sep - 22 Sep	Air China
11 Sep - 16 Sep	Air China
20 Sep - 25 Sep	Air China
11 Sep - 19 Sep	Air China
11 Sep - 25 Sep	Air China
12 Sep - 20 Sep	Air China
11 Sep - 18 Sep	Air China
11 Sep - 17 Sep	Air China
15 Sep - 20 Sep	Air China
05 Sep - 13 Sep	China Eastern
26 Sep - 06 Oct	Air India
25 Sep - 04 Oct	Emirates
28 Sep - 05 Oct	Emirates
27 Sep - 05 Oct	Emirates
26 Sep - 02 Oct	Finnair
26 Sep - 03 Oct	Emirates
25 Sep - 07 Oct	Finnair
30 Sep - 08 Oct	Singapore Airlines
24 Sep - 05 Oct	Finnair
25 Sep - 06 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 $502

Return flights