AirHint found the following cheapest return flights from San Francisco (SFO) to Guatemala City (GUA) in October 2026 (see full year).
Return flights
| 21 Oct - 30 Oct | Frontier Airlines | ||
| 25 Oct - 07 Nov | Avianca | ||
| 21 Oct - 21 Oct | Avianca |
Also check the deals for one-way flights from San Francisco to Guatemala City in October.
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