AirHint found the following cheapest return flights from Chicago (ORD) to Lima (LIM) in August 2026 (see full year).

Return flights

18 Aug - 24 Aug	Spirit Airlines
04 Aug - 18 Aug	Spirit Airlines
29 Aug - 07 Sep	Spirit Airlines
22 Aug - 24 Aug	Spirit Airlines
15 Aug - 18 Aug	Spirit Airlines
13 Aug - 24 Aug	Avianca
04 Aug - 17 Aug	Spirit Airlines
04 Aug - 14 Aug	Spirit Airlines
02 Aug - 18 Aug	Spirit Airlines
04 Aug - 06 Aug	Spirit Airlines
15 Aug - 24 Aug	Spirit Airlines
18 Aug - 07 Sep	Spirit Airlines
22 Aug - 07 Sep	Spirit Airlines

Also check the deals for one-way flights from Chicago to Lima 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 Lima in August from $327

Return flights