AirHint found the following cheapest return flights from Houston (IAH) to Guatemala City (GUA) in October 2026 (see full year).
Return flights
| 14 Oct - 19 Oct | Avianca | ||
| 08 Oct - 13 Oct | United | direct | |
| 14 Oct - 21 Oct | Delta | ||
| 14 Oct - 19 Oct | United | direct |
Also check the deals for one-way flights from Houston to Guatemala City in October.
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