Cheapest return flights from Chicago to Brussels in September from 528€

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 September 2025 (see full year).

Return flights

08 Sep - 19 Sep Scandinavian Airlines
03 Sep - 08 Sep Virgin Atlantic
09 Sep - 16 Sep Icelandair
19 Sep - 26 Sep Icelandair
29 Sep - 06 Oct United
08 Sep - 19 Sep Brussels Airlines direct

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

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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