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

Return flights

10 Dec - 23 Jan	AirAsia X
01 Dec - 10 Dec	AirAsia X
20 Dec - 10 Jan	Air India
15 Dec - 15 Jan	AirAsia X
11 Dec - 23 Jan	IndiGo
09 Dec - 23 Jan	IndiGo
16 Dec - 23 Jan	IndiGo
26 Dec - 12 Jan	AirAsia X
08 Dec - 15 Dec	AirAsia X
07 Dec - 05 Jan	AirAsia X
19 Dec - 04 Jan	AirAsia X
18 Dec - 25 Dec	Thai Airways
23 Dec - 02 Jan	Thai Airways
05 Dec - 18 Dec	AirAsia X
06 Dec - 20 Dec	IndiGo
08 Dec - 20 Dec	IndiGo
18 Dec - 20 Dec	IndiGo

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 428€

Return flights