AirHint found the following cheapest return flights from Chicago (ORD) to Santiago (SCL) in May 2026 (see full year).
Return flights
| 08 May - 15 May | Avianca | ||
| 08 May - 17 May | Avianca | ||
| 03 May - 10 May | Copa | ||
| 02 May - 09 May | Copa | ||
| 02 May - 10 May | Copa | ||
| 13 May - 20 May | Copa | ||
| 09 May - 16 May | Avianca |
Also check the deals for one-way flights from Chicago to Santiago in May.
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