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

Return flights

02 Dec - 09 Dec	Scandinavian Airlines
16 Dec - 15 Jan	TAP
06 Dec - 05 Jan	Scandinavian Airlines
05 Dec - 27 Dec	SWISS
28 Dec - 07 Jan	Scandinavian Airlines
19 Dec - 10 Jan	Icelandair
29 Dec - 05 Jan	Scandinavian Airlines
22 Dec - 30 Dec	Frontier Airlines
19 Dec - 26 Dec	SWISS
30 Dec - 06 Jan	Scandinavian Airlines
21 Dec - 30 Dec	Icelandair
21 Dec - 27 Dec	SWISS
20 Dec - 30 Dec	Scandinavian Airlines
19 Dec - 31 Dec	Icelandair
19 Dec - 30 Dec	Icelandair
19 Dec - 29 Dec	SWISS
28 Dec - 04 Jan	Scandinavian Airlines
19 Dec - 04 Jan	Icelandair
19 Dec - 01 Jan	Icelandair
19 Dec - 03 Jan	Icelandair

Also check the deals for one-way flights from Miami 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.

Book a cheap hotel in Brussels

Cheap car rent in Brussels

Cheapest return flights from Miami to Brussels in December from 396€

Return flights