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

Return flights

04 Oct - 08 Oct	Ryanair
22 Oct - 05 Nov	Turkish Airlines
30 Oct - 09 Nov	Turkish Airlines
01 Oct - 16 Oct	Turkish Airlines
06 Oct - 20 Oct	Thai Airways
03 Oct - 11 Oct	Thai Airways
08 Oct - 23 Oct	Qatar Airways

Also check the deals for one-way flights from Copenhagen to Sydney 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 Copenhagen to Sydney in October from $1195

Return flights