AirHint found the following cheapest return flights from Chicago (ORD) to Lima (LIM) in May 2026 (see full year).
Return flights
| 16 May - 28 May | Delta | ||
| 24 May - 31 May | Copa | ||
| 24 May - 07 Jun | Avianca | ||
| 25 May - 08 Jun | Arajet |
Also check the deals for one-way flights from Chicago to Lima in May.
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