Cheapest return flights from Chicago to Brussels in August from $499

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 August 2025 (see full year).

Return flights

10 Aug - 24 Aug Icelandair
19 Aug - 26 Aug Icelandair
02 Aug - 20 Aug Icelandair
13 Aug - 27 Aug Finnair
11 Aug - 27 Aug British Airways
20 Aug - 27 Aug Icelandair
25 Aug - 01 Sep Icelandair
15 Aug - 22 Aug Icelandair
30 Aug - 06 Sep Icelandair
02 Aug - 07 Aug Icelandair
01 Aug - 07 Aug Aer Lingus
19 Aug - 26 Aug United direct
25 Aug - 01 Sep United direct
30 Aug - 06 Sep United direct

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

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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