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

Return flights

28 Oct - 25 Nov	Delta
23 Oct - 04 Nov	Delta
30 Oct - 23 Nov	TUI fly Belgium
23 Oct - 02 Nov	Delta
24 Oct - 02 Nov	Delta
25 Oct - 10 Nov	TUI fly Belgium
21 Oct - 10 Nov	TUI fly Belgium
21 Oct - 20 Nov	TUI fly Belgium
21 Oct - 04 Nov	Ethiopian Airlines
23 Oct - 30 Oct	TUI fly Belgium
21 Oct - 28 Oct	TUI fly Belgium
20 Oct - 30 Oct	Ryanair
21 Oct - 29 Oct	KLM
24 Oct - 31 Oct	KLM
21 Oct - 30 Oct	SWISS
31 Oct - 10 Nov	SWISS

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

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Brussels to Buenos Aires in October from 761€

Return flights