AirHint found the following cheapest return flights from Detroit (DTW) to Guatemala City (GUA) in September 2026 (see full year).
Return flights
| 09 Sep - 21 Sep | Delta | ||
| 05 Sep - 20 Sep | Copa | ||
| 06 Sep - 20 Sep | Copa | ||
| 07 Sep - 20 Sep | Copa | ||
| 09 Sep - 20 Sep | Copa | ||
| 08 Sep - 20 Sep | Copa |
Also check the deals for one-way flights from Detroit to Guatemala City in September.
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