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

Return flights

09 Dec - 21 Dec	Brussels Airlines
01 Dec - 09 Dec	TAP
10 Dec - 17 Dec	Aer Lingus
02 Dec - 18 Dec	TAP
01 Dec - 10 Dec	TAP
01 Dec - 11 Dec	TAP
02 Dec - 16 Dec	TAP
02 Dec - 11 Dec	TAP
01 Dec - 16 Dec	TAP
16 Dec - 06 Jan	TAP
03 Dec - 31 Dec	Scandinavian Airlines
24 Dec - 14 Jan	TAP
30 Dec - 20 Jan	TAP
30 Dec - 19 Jan	TAP
30 Dec - 26 Jan	TAP
30 Dec - 27 Jan	TAP
31 Dec - 17 Jan	TAP
30 Dec - 17 Jan	TAP
31 Dec - 07 Jan	TAP
31 Dec - 13 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 $370

Return flights