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

Return flights

04 Sep - 18 Sep	TAP
23 Sep - 07 Oct	TAP
01 Sep - 15 Sep	TAP
26 Sep - 10 Oct	TAP
07 Sep - 17 Sep	Scandinavian Airlines
29 Sep - 06 Oct	TAP
03 Sep - 08 Sep	TAP
23 Sep - 08 Oct	TAP
16 Sep - 01 Oct	TAP
08 Sep - 14 Sep	TAP
22 Sep - 05 Oct	TAP
07 Sep - 12 Sep	Aer Lingus
26 Sep - 10 Oct	United	direct
29 Sep - 06 Oct	United	direct
24 Sep - 11 Oct	SWISS
08 Sep - 14 Sep	United	direct
23 Sep - 07 Oct	Brussels Airlines	direct
07 Sep - 17 Sep	Brussels Airlines	direct
04 Sep - 18 Sep	Brussels Airlines	direct
01 Sep - 15 Sep	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 $415

Return flights