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

Return flights

10 Dec - 17 Dec	Air Canada
07 Dec - 14 Dec	United
13 Dec - 25 Dec	United
26 Dec - 05 Jan	Scandinavian Airlines
13 Dec - 29 Dec	Air Canada
13 Dec - 28 Dec	Air Canada
16 Dec - 28 Dec	Air Canada
17 Dec - 30 Dec	United
27 Dec - 04 Jan	United
17 Dec - 29 Dec	United
20 Dec - 29 Dec	Air Canada
19 Dec - 27 Dec	United
19 Dec - 03 Jan	United

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 525€

Return flights