AirHint found the following cheapest return flights from New York (JFK) to Brussels (BRU) in December 2025 (see full year).

Return flights

07 Dec - 14 Dec	Aer Lingus
12 Dec - 17 Dec	Aer Lingus
02 Dec - 07 Dec	Aer Lingus
11 Dec - 14 Dec	Aer Lingus
12 Dec - 16 Dec	Aer Lingus
16 Dec - 10 Jan	Norse Atlantic Airways
04 Dec - 11 Dec	Icelandair
13 Dec - 25 Dec	TAP
13 Dec - 25 Dec	Brussels Airlines	direct
07 Dec - 14 Dec	Brussels Airlines	direct
13 Dec - 29 Dec	Aer Lingus
16 Dec - 01 Jan	Aer Lingus
27 Dec - 04 Jan	Iberia
20 Dec - 12 Jan	TAP
27 Dec - 04 Jan	United	direct
20 Dec - 01 Jan	TAP

Also check the deals for one-way flights from New York to Brussels in December.

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 New York to Brussels in December from 363€

Return flights