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

Return flights

05 Dec - 08 Dec	Copa
06 Dec - 16 Dec	Spirit Airlines
10 Dec - 16 Dec	Spirit Airlines
07 Dec - 16 Dec	Spirit Airlines
06 Dec - 10 Jan	Arajet
07 Dec - 10 Jan	Copa
10 Dec - 11 Jan	Spirit Airlines
23 Dec - 31 Dec	Avianca
23 Dec - 30 Dec	Avianca
10 Dec - 27 Dec	Spirit Airlines
13 Dec - 16 Dec	Spirit Airlines
24 Dec - 29 Dec	LATAM Airlines Group
25 Dec - 31 Dec	Avianca
25 Dec - 01 Jan	Avianca
24 Dec - 11 Jan	Spirit Airlines
24 Dec - 10 Jan	Spirit Airlines
24 Dec - 09 Jan	Spirit Airlines
25 Dec - 11 Jan	Spirit Airlines
25 Dec - 10 Jan	Spirit Airlines
20 Dec - 02 Jan	Arajet

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

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 December from 384€

Return flights