AirHint found the following cheapest return flights from Chicago (ORD) to Brussels (BRU) in January 2026 (see full year).

Return flights

26 Jan - 30 Jan	Scandinavian Airlines
19 Jan - 27 Jan	Scandinavian Airlines
16 Jan - 24 Jan	Scandinavian Airlines
19 Jan - 27 Jan	Lufthansa	direct
28 Jan - 01 Feb	United
16 Jan - 24 Jan	Lufthansa	direct

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

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 Chicago to Brussels in January from 412€

Return flights