Cheapest return flights from Atlanta to Brussels in December from $638

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

Return flights

08 Dec - 15 Dec Scandinavian Airlines
05 Dec - 12 Dec Scandinavian Airlines
07 Dec - 14 Dec Scandinavian Airlines
06 Dec - 13 Dec Scandinavian Airlines
31 Dec - 07 Jan Lufthansa
09 Dec - 16 Dec Lufthansa
24 Dec - 01 Jan Spirit Airlines
23 Dec - 01 Jan Spirit Airlines
04 Dec - 11 Dec Scandinavian Airlines
14 Dec - 17 Dec Spirit Airlines
30 Dec - 06 Jan Lufthansa
11 Dec - 18 Dec Scandinavian Airlines
10 Dec - 17 Dec Lufthansa
16 Dec - 23 Dec Lufthansa
29 Dec - 05 Jan Lufthansa
26 Dec - 02 Jan Scandinavian Airlines
25 Dec - 01 Jan Lufthansa
28 Dec - 04 Jan Scandinavian Airlines
27 Dec - 03 Jan Lufthansa
21 Dec - 03 Jan Air Canada

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

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