Cheapest return flights from Chicago to Charleroi in September from $630

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

Return flights

22 Sep - 02 Oct Air Canada
28 Sep - 05 Oct Air Canada
08 Sep - 15 Sep Austrian Airlines
27 Sep - 18 Oct TAP
07 Sep - 13 Sep SWISS
02 Sep - 09 Sep jetBlue
10 Sep - 13 Sep Spirit Airlines
11 Sep - 14 Sep Spirit Airlines
16 Sep - 23 Sep Spirit Airlines
07 Sep - 27 Sep Aer Lingus
21 Sep - 28 Sep Aer Lingus

Also check the deals for one-way flights from Chicago to Charleroi 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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