AirHint found the following cheapest return flights from Chicago (ORD) to Lima (LIM) in July 2025 (see full year).

Return flights

25 Jul - 12 Aug	Spirit Airlines
29 Jul - 11 Aug	Spirit Airlines
22 Jul - 28 Jul	Avianca
18 Jul - 28 Jul	Copa
31 Jul - 12 Aug	Volaris
14 Jul - 21 Jul	Avianca
18 Jul - 22 Jul	Avianca
11 Jul - 18 Jul	Avianca

Also check the deals for one-way flights from Chicago to Lima in July.

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 Lima in July from $609

Return flights