AirHint found the following cheapest return flights from Brussels (BRU) to Buenos Aires (AEP) in July 2025 (see full year).

Return flights

24 Jul - 14 Aug	LATAM Airlines Group
24 Jul - 15 Aug	LATAM Airlines Group
23 Jul - 10 Aug	Brussels Airlines
23 Jul - 14 Aug	LATAM Airlines Group
23 Jul - 15 Aug	LATAM Airlines Group
22 Jul - 12 Aug	Brussels Airlines
22 Jul - 05 Aug	Brussels Airlines
19 Jul - 09 Aug	TAP
18 Jul - 04 Aug	TAP
07 Jul - 04 Aug	SWISS

Also check the deals for one-way flights from Brussels to Buenos Aires in July.

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 July from $1948

Return flights