AirHint found the following cheapest return flights from Brussels (BRU) to Buenos Aires (AEP) in January 2026 (see full year).

Return flights

17 Jan - 08 Feb	LATAM Airlines Group
21 Jan - 07 Feb	Ryanair
24 Jan - 07 Feb	Ryanair
21 Jan - 16 Feb	Ryanair
25 Jan - 08 Feb	Brussels Airlines
26 Jan - 19 Feb	Ryanair
27 Jan - 19 Feb	Ryanair
21 Jan - 17 Feb	Ryanair
19 Jan - 04 Feb	Vueling Airlines
19 Jan - 09 Feb	Vueling Airlines
14 Jan - 27 Jan	Ryanair
17 Jan - 31 Jan	Ryanair
23 Jan - 30 Jan	Ryanair
05 Jan - 29 Jan	Ryanair
13 Jan - 25 Jan	Ryanair
08 Jan - 24 Jan	Ryanair
06 Jan - 20 Jan	Ryanair
04 Jan - 24 Jan	Ryanair
05 Jan - 24 Jan	Ryanair
06 Jan - 25 Jan	Ryanair

Also check the deals for one-way flights from Brussels 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 Brussels to Buenos Aires in January from 977€

Return flights