AirHint found the following cheapest return flights from Chicago (ORD) to Guatemala City (GUA) in September 2026 (see full year).
Return flights
| 15 Sep - 22 Sep | American Airlines | ||
| 16 Sep - 23 Sep | American Airlines | ||
| 16 Sep - 18 Sep | United | ||
| 17 Sep - 22 Sep | United | ||
| 10 Sep - 29 Sep | Copa | ||
| 04 Sep - 11 Sep | Copa |
Also check the deals for one-way flights from Chicago to Guatemala City in September.
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