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

Return flights

23 Jan - 01 Feb	LATAM Airlines Group
28 Jan - 11 Feb	LATAM Airlines Group
19 Jan - 02 Feb	Delta
17 Jan - 01 Feb	Delta
15 Jan - 22 Jan	Delta
12 Jan - 19 Jan	Frontier Airlines
13 Jan - 31 Jan	Delta
13 Jan - 20 Jan	Delta
13 Jan - 05 Feb	Delta
30 Jan - 03 Feb	Delta
29 Jan - 28 Feb	Delta
03 Jan - 10 Jan	Delta

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

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 January from 404€

Return flights