Cheapest return flights from Chicago to Brussels in April from $754

Best time to book flights for Chicago (ORD) to Brussels (BRU) flights at AirHint

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

Return flights

08 Apr - 15 Apr Aer Lingus
30 Apr - 07 May jetBlue
04 Apr - 12 Apr SWISS
24 Apr - 01 May Icelandair
28 Apr - 05 May United
12 Apr - 22 Apr Brussels Airlines direct
04 Apr - 12 Apr United direct
08 Apr - 15 Apr Brussels Airlines direct

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

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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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