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

Return flights

24 Aug - 14 Sep	AirAsia X
28 Aug - 31 Aug	IndiGo
24 Aug - 28 Aug	AirAsia X
28 Aug - 04 Sep	IndiGo
26 Aug - 02 Sep	IndiGo
27 Aug - 03 Sep	IndiGo
22 Aug - 28 Aug	IndiGo
28 Aug - 10 Sep	IndiGo
21 Aug - 24 Aug	Air India
28 Aug - 22 Sep	IndiGo
21 Aug - 12 Sep	Air India
24 Aug - 27 Aug	AirAsia X
23 Aug - 18 Sep	IndiGo
24 Aug - 26 Aug	AirAsia X
25 Aug - 14 Sep	AirAsia X
23 Aug - 21 Sep	IndiGo
25 Aug - 31 Aug	AirAsia X
24 Aug - 31 Aug	AirAsia X
25 Aug - 30 Aug	AirAsia X
24 Aug - 30 Aug	AirAsia X

Also check the deals for one-way flights from Delhi 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 Delhi to Perth in August from 363€

Return flights