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

Return flights

30 Jul - 20 Aug	AirAsia X
30 Jul - 19 Aug	AirAsia X
30 Jul - 15 Aug	AirAsia X
30 Jul - 17 Aug	AirAsia X
28 Jul - 15 Aug	AirAsia X
28 Jul - 17 Aug	AirAsia X
27 Jul - 15 Aug	AirAsia X
30 Jul - 16 Aug	AirAsia X
28 Jul - 16 Aug	AirAsia X
30 Jul - 13 Aug	AirAsia X
15 Jul - 22 Jul	VietJet Air
28 Jul - 31 Jul	AirAsia X
27 Jul - 29 Jul	AirAsia X
14 Jul - 20 Jul	IndiGo
27 Jul - 31 Jul	AirAsia X
25 Jul - 29 Jul	AirAsia X
23 Jul - 28 Jul	AirAsia X
23 Jul - 29 Jul	AirAsia X
24 Jul - 31 Jul	Singapore Airlines
25 Jul - 31 Jul	AirAsia X

Also check the deals for one-way flights from Delhi to Perth in July.

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 July from 437€

Return flights