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

Return flights

30 Jul - 06 Aug	Copa
31 Jul - 17 Aug	Copa
07 Jul - 14 Jul	Copa
03 Jul - 07 Jul	Copa
03 Jul - 09 Jul	Copa
11 Jul - 14 Jul	Copa
11 Jul - 15 Jul	Copa
25 Jul - 29 Jul	Spirit Airlines
26 Jul - 04 Aug	Spirit Airlines
06 Jul - 13 Jul	Copa
11 Jul - 18 Jul	Avianca
15 Jul - 23 Jul	Spirit Airlines
15 Jul - 17 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 520€

Return flights