AirHint found the following cheapest return flights from Chicago (ORD) to Geneva (GVA) in August 2025 (see full year).

Return flights

28 Aug - 04 Sep	Icelandair
26 Aug - 02 Sep	United
12 Aug - 19 Aug	Icelandair
12 Aug - 21 Aug	United
24 Aug - 31 Aug	United
20 Aug - 27 Aug	United
18 Aug - 25 Aug	United
16 Aug - 23 Aug	United
04 Aug - 13 Aug	United
30 Aug - 07 Sep	United
30 Aug - 06 Sep	United
22 Aug - 29 Aug	United
29 Aug - 07 Sep	United

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

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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Cheapest return flights from Chicago to Geneva in August from 449€

Return flights