AirHint found the following cheapest return flights from Sydney (SYD) to Copenhagen (CPH) in August 2025 (see full year).

Return flights

10 Aug - 25 Aug	China Eastern
16 Aug - 14 Sep	Air China
26 Aug - 09 Sep	Air China
19 Aug - 09 Sep	Air China
13 Aug - 29 Aug	Air China
11 Aug - 24 Aug	China Southern
28 Aug - 08 Sep	Air China
11 Aug - 17 Aug	Air China
16 Aug - 23 Aug	Air China
09 Aug - 29 Aug	Air India
22 Aug - 15 Sep	VietJet Air
13 Aug - 19 Sep	Air China
14 Aug - 31 Aug	Scoot Tigerair
28 Aug - 06 Sep	Air China
25 Aug - 09 Sep	Thai Airways
27 Aug - 04 Sep	Thai Airways
13 Aug - 04 Sep	Air China
23 Aug - 30 Aug	Scoot Tigerair
09 Aug - 12 Aug	Qatar Airways
03 Aug - 23 Aug	Qatar Airways

Also check the deals for one-way flights from Sydney to Copenhagen in August.

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 Sydney to Copenhagen in August from 771€

Return flights