Cheapest return flights from Chicago to Brussels in December from 548€

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

Return flights

03 Dec - 10 Dec United direct
14 Dec - 24 Dec Scandinavian Airlines
08 Dec - 15 Dec United
13 Dec - 20 Dec United
18 Dec - 25 Dec United

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

Skyscanner

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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