AirHint found the following cheapest return flights from Kolkata (CCU) to Perth (PER) in August 2025 (see full year).

Return flights

25 Aug - 28 Aug	AirAsia
27 Aug - 28 Aug	AirAsia
25 Aug - 30 Aug	AirAsia
25 Aug - 03 Sep	AirAsia
27 Aug - 30 Aug	AirAsia
17 Aug - 28 Aug	AirAsia
20 Aug - 28 Aug	AirAsia
06 Aug - 11 Aug	AirAsia
17 Aug - 30 Aug	AirAsia
17 Aug - 03 Sep	AirAsia
20 Aug - 30 Aug	AirAsia
20 Aug - 03 Sep	AirAsia
11 Aug - 28 Aug	AirAsia
25 Aug - 13 Sep	AirAsia
27 Aug - 13 Sep	AirAsia
25 Aug - 14 Sep	AirAsia
27 Aug - 14 Sep	AirAsia
21 Aug - 03 Sep	AirAsia

Also check the deals for one-way flights from Kolkata to Perth 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 Kolkata to Perth in August from $408

Return flights