Cheapest return flights from Chicago to Brussels in December from 966€

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

Return flights

26 Dec - 03 Jan LOT

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

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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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