Cheapest return flights from Chicago to Brussels in December from 412€

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

Return flights

07 Dec - 14 Dec Scandinavian Airlines
05 Dec - 12 Dec Scandinavian Airlines
05 Dec - 10 Dec TAP
06 Dec - 10 Dec Scandinavian Airlines
07 Dec - 16 Dec Scandinavian Airlines
06 Dec - 13 Dec Scandinavian Airlines
03 Dec - 23 Dec Scandinavian Airlines
11 Dec - 18 Dec Icelandair
15 Dec - 12 Jan Aer Lingus
16 Dec - 12 Jan Aer Lingus
07 Dec - 09 Dec Icelandair
26 Dec - 17 Jan TAP
07 Dec - 27 Dec TAP
16 Dec - 07 Jan Icelandair
23 Dec - 06 Jan Frontier Airlines
10 Dec - 03 Jan Icelandair
20 Dec - 11 Jan Sun Country Airlines
29 Dec - 05 Jan Scandinavian Airlines
26 Dec - 17 Jan Brussels Airlines direct
28 Dec - 04 Jan Scandinavian Airlines

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

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