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

Return flights

20 Dec - 31 Jan	Singapore Airlines
07 Dec - 09 Dec	AirAsia X
01 Dec - 07 Dec	AirAsia X
01 Dec - 09 Dec	AirAsia X
05 Dec - 09 Dec	AirAsia X
05 Dec - 07 Dec	AirAsia X
08 Dec - 16 Jan	Cathay Pacific
24 Dec - 12 Jan	AirAsia X
01 Dec - 06 Dec	AirAsia X
01 Dec - 03 Dec	AirAsia X
24 Dec - 14 Jan	AirAsia X
01 Dec - 04 Dec	AirAsia X
01 Dec - 05 Dec	AirAsia X
28 Dec - 15 Jan	AirAsia X
28 Dec - 12 Jan	AirAsia X
28 Dec - 14 Jan	AirAsia X
28 Dec - 16 Jan	AirAsia X
10 Dec - 13 Jan	Singapore Airlines
15 Dec - 07 Jan	AirAsia X
07 Dec - 11 Dec	AirAsia X

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

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 December from $611

Return flights