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

Return flights

11 Sep - 16 Sep	TAP
02 Sep - 15 Oct	TAP
13 Sep - 17 Sep	Aer Lingus
15 Sep - 30 Sep	SWISS
13 Sep - 16 Sep	Scandinavian Airlines
23 Sep - 30 Sep	SWISS
23 Sep - 17 Oct	SWISS
29 Sep - 06 Oct	SWISS
30 Sep - 07 Oct	SWISS
30 Sep - 14 Oct	SWISS
15 Sep - 30 Sep	Brussels Airlines	direct
23 Sep - 30 Sep	Brussels Airlines	direct
23 Sep - 01 Oct	Brussels Airlines	direct
23 Sep - 17 Oct	Brussels Airlines	direct
30 Sep - 07 Oct	Brussels Airlines	direct
30 Sep - 14 Oct	Brussels Airlines	direct
16 Sep - 18 Sep	TAP
16 Sep - 17 Sep	TAP
15 Sep - 17 Sep	TAP
29 Sep - 06 Oct	Brussels Airlines	direct

Also check the deals for one-way flights from Newark 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 Newark to Brussels in September from 384€

Return flights