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

Return flights

03 Oct - 07 Oct	Ryanair
07 Oct - 14 Oct	TUI fly Belgium
07 Oct - 19 Oct	TUI fly Belgium
14 Oct - 30 Oct	TUI fly Belgium
14 Oct - 19 Oct	TUI fly Belgium
02 Oct - 07 Oct	TUI fly Belgium
02 Oct - 14 Oct	TUI fly Belgium
02 Oct - 06 Oct	TUI fly Belgium
02 Oct - 19 Oct	TUI fly Belgium
02 Oct - 04 Oct	TUI fly Belgium
14 Oct - 02 Nov	TUI fly Belgium
17 Oct - 02 Nov	TUI fly Belgium
20 Oct - 02 Nov	SKY express
15 Oct - 02 Nov	SKY express
25 Oct - 02 Nov	SKY express

Also check the deals for one-way flights from Kos to Brussels 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.

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Cheapest return flights from Kos to Brussels in October from 234€

Return flights