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

Return flights

01 Jan - 15 Jan	Singapore Airlines
01 Jan - 02 Feb	Singapore Airlines
01 Jan - 04 Feb	Singapore Airlines
01 Jan - 03 Feb	Singapore Airlines
14 Jan - 27 Jan	AirAsia X
28 Jan - 16 Feb	VietJet Air
14 Jan - 18 Jan	AirAsia X
14 Jan - 19 Jan	AirAsia X
14 Jan - 21 Jan	AirAsia X
14 Jan - 16 Jan	AirAsia X
14 Jan - 01 Feb	AirAsia X
28 Jan - 01 Feb	AirAsia X
28 Jan - 08 Feb	AirAsia X
12 Jan - 27 Jan	AirAsia X
14 Jan - 20 Jan	AirAsia X
14 Jan - 17 Jan	AirAsia X
18 Jan - 27 Jan	AirAsia X
28 Jan - 10 Feb	AirAsia X
29 Jan - 20 Feb	VietJet Air
28 Jan - 15 Feb	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 $844

Return flights