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

Return flights

21 Jan - 31 Jan	United
27 Jan - 16 Feb	United
31 Jan - 13 Feb	United
29 Jan - 13 Feb	United
23 Jan - 31 Jan	LATAM Airlines Group
19 Jan - 04 Feb	JetSmart
16 Jan - 23 Jan	LATAM Airlines Group
13 Jan - 28 Jan	Copa
19 Jan - 10 Feb	United
15 Jan - 22 Jan	Copa
17 Jan - 24 Jan	LATAM Airlines Group
16 Jan - 30 Jan	KLM
16 Jan - 02 Feb	KLM
16 Jan - 25 Jan	LATAM Airlines Group
16 Jan - 24 Jan	LATAM Airlines Group
16 Jan - 26 Jan	LATAM Airlines Group
16 Jan - 03 Feb	LATAM Airlines Group
16 Jan - 04 Feb	LATAM Airlines Group
16 Jan - 05 Feb	LATAM Airlines Group
16 Jan - 06 Feb	LATAM Airlines Group

Also check the deals for one-way flights from Buenos Aires 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 Buenos Aires to Sydney in January from 1764€

Return flights