Cheapest return flights from Kos to Brussels in September from $356

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

Return flights

05 Sep - 23 Sep TUI fly Belgium
06 Sep - 23 Sep TUI fly Belgium
09 Sep - 23 Sep TUI fly Belgium
05 Sep - 16 Sep TUI fly Belgium
05 Sep - 22 Sep TUI fly Belgium
06 Sep - 16 Sep TUI fly Belgium
06 Sep - 22 Sep TUI fly Belgium
12 Sep - 23 Sep TUI fly Belgium
09 Sep - 16 Sep TUI fly Belgium
09 Sep - 22 Sep TUI fly Belgium
25 Sep - 16 Oct TUI fly Belgium
25 Sep - 10 Oct TUI fly Belgium
25 Sep - 04 Oct TUI fly Belgium
15 Sep - 04 Oct TUI fly Belgium
25 Sep - 03 Oct TUI fly Belgium
15 Sep - 03 Oct TUI fly Belgium
14 Sep - 04 Oct TUI fly Belgium
13 Sep - 03 Oct TUI fly Belgium
25 Sep - 03 Oct TUI fly Belgium direct
12 Sep - 03 Oct TUI fly Belgium direct

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

Skyscanner

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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