Cheapest return flights from Chicago to Brussels in September from 468€

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

Return flights

08 Sep - 15 Sep Spirit Airlines
09 Sep - 16 Sep Scandinavian Airlines
06 Sep - 10 Oct Turkish Airlines
24 Sep - 01 Oct Icelandair
17 Sep - 24 Sep United
30 Sep - 07 Oct United
13 Sep - 24 Sep United
04 Sep - 14 Sep Scandinavian Airlines
01 Sep - 08 Sep United direct
15 Sep - 22 Sep United
19 Sep - 26 Sep United
11 Sep - 21 Sep Air Canada
27 Sep - 04 Oct United
09 Sep - 16 Sep Brussels Airlines direct
06 Sep - 10 Oct 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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