Cheapest one-way flights from Chicago to Brussels in January from $251

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

One-Way flights

20 Jan Spirit Airlines
10 Jan Icelandair
25 Jan Spirit Airlines
30 Jan Icelandair
26 Jan Spirit Airlines
04 Jan Turkish Airlines
11 Jan Aer Lingus
20 Jan Austrian Airlines direct
26 Jan Lufthansa direct
25 Jan United direct

Also check the deals for return flights from Chicago to Brussels in January.

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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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