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

Return flights

26 Jan - 23 Feb	AirAsia X
15 Jan - 20 Feb	AirAsia X
25 Jan - 15 Feb	AirAsia X
26 Jan - 16 Feb	AirAsia X
30 Jan - 16 Feb	AirAsia X
21 Jan - 16 Feb	AirAsia X
30 Jan - 20 Feb	AirAsia X
25 Jan - 20 Feb	AirAsia X
21 Jan - 18 Feb	AirAsia X
22 Jan - 27 Feb	AirAsia X
19 Jan - 30 Jan	AirAsia X
19 Jan - 26 Jan	AirAsia X
19 Jan - 25 Jan	AirAsia X
22 Jan - 31 Jan	Vietnam Airlines
07 Jan - 31 Jan	AirAsia X
17 Jan - 31 Jan	Vietnam Airlines
10 Jan - 25 Jan	AirAsia X
15 Jan - 31 Jan	Vietnam Airlines
23 Jan - 27 Jan	VietJet Air
01 Jan - 20 Jan	Batik Air Malaysia

Also check the deals for one-way flights from Sydney to Delhi 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 Sydney to Delhi in January from $411

Return flights