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

Return flights

09 Jan - 19 Feb	LATAM Airlines Group
14 Jan - 15 Feb	LATAM Airlines Group
28 Jan - 19 Feb	LATAM Airlines Group
22 Jan - 19 Feb	Jetstar
15 Jan - 13 Feb	LATAM Airlines Group
15 Jan - 26 Feb	LATAM Airlines Group
28 Jan - 10 Feb	LATAM Airlines Group
21 Jan - 04 Feb	Qantas
10 Jan - 31 Jan	LATAM Airlines Group
12 Jan - 31 Jan	LATAM Airlines Group
17 Jan - 19 Jan	Qantas
19 Jan - 06 Feb	Qantas
26 Jan - 02 Feb	Qantas
13 Jan - 27 Jan	LATAM Airlines Group
16 Jan - 30 Jan	Qantas
12 Jan - 27 Jan	United
12 Jan - 19 Jan	United
12 Jan - 21 Jan	United
15 Jan - 30 Jan	United
22 Jan - 24 Jan	Qantas

Also check the deals for one-way flights from Sydney to Buenos Aires 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 Buenos Aires in January from $1430

Return flights