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

Return flights

19 Sep - 22 Sep	Ryanair
23 Sep - 28 Sep	Ryanair
20 Sep - 21 Sep	Ryanair
23 Sep - 24 Sep	Ryanair
19 Sep - 24 Sep	Ryanair
19 Sep - 22 Sep	Brussels Airlines	direct
09 Sep - 16 Sep	Ryanair
26 Sep - 30 Sep	Ryanair
19 Sep - 24 Sep	Brussels Airlines	direct
19 Sep - 23 Sep	Brussels Airlines	direct
27 Sep - 04 Oct	Ryanair
29 Sep - 01 Oct	Ryanair
29 Sep - 03 Oct	Ryanair
27 Sep - 04 Oct	Brussels Airlines	direct
30 Sep - 02 Oct	easyJet
30 Sep - 02 Oct	Brussels Airlines	direct
28 Sep - 04 Oct	easyJet
29 Sep - 03 Oct	Brussels Airlines	direct
29 Sep - 01 Oct	Brussels Airlines	direct

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

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 Berlin to Brussels in September from 105€

Return flights