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

Return flights

26 Oct - 30 Oct	China Eastern
21 Oct - 20 Nov	Air China
13 Oct - 27 Nov	Singapore Airlines
14 Oct - 21 Oct	Scoot
15 Oct - 26 Oct	Qantas
28 Oct - 25 Nov	Qantas
29 Oct - 25 Nov	Singapore Airlines
16 Oct - 27 Oct	Air China
21 Oct - 21 Nov	Air India
22 Oct - 20 Nov	Singapore Airlines
10 Oct - 22 Oct	Turkish Airlines
17 Oct - 22 Oct	Turkish Airlines
01 Oct - 12 Nov	Turkish Airlines
20 Oct - 20 Nov	Singapore Airlines
20 Oct - 25 Oct	Singapore Airlines
01 Oct - 08 Oct	Turkish Airlines
10 Oct - 24 Oct	Turkish Airlines
01 Oct - 30 Nov	Virgin Australia
25 Oct - 04 Nov	Emirates

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

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 October from $784

Return flights