AirHint found the following cheapest return flights from Delhi (DEL) to Sydney (SYD) in January 2026 (see full year).

Return flights

30 Jan - 22 Feb	China Eastern
22 Jan - 29 Jan	China Eastern
21 Jan - 28 Jan	Thai Lion Air
26 Jan - 26 Feb	Thai Lion Air
21 Jan - 06 Feb	AirAsia X
31 Jan - 15 Feb	Vietnam Airlines
26 Jan - 06 Feb	AirAsia X
31 Jan - 14 Feb	Vietnam Airlines
29 Jan - 02 Feb	VietJet Air
19 Jan - 27 Jan	AirAsia X
30 Jan - 13 Feb	AirAsia X
30 Jan - 24 Feb	AirAsia X
26 Jan - 16 Feb	VietJet Air
21 Jan - 30 Jan	AirAsia X
26 Jan - 28 Jan	VietJet Air
19 Jan - 24 Jan	AirAsia X
19 Jan - 22 Jan	AirAsia X
18 Jan - 27 Jan	AirAsia X
23 Jan - 27 Jan	AirAsia X
19 Jan - 25 Jan	AirAsia X

Also check the deals for one-way flights from Delhi to Sydney in January.

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 Sydney in January from 584€

Return flights