AirHint found the following cheapest one-way flights from Seattle (SEA) to Guatemala City (GUA) in June 2026 (see full year).
One-Way flights
| 13 Jun | Alaska Airlines | ||
| 30 Jun | Alaska Airlines | ||
| 15 Jun | Alaska Airlines | ||
| 21 Jun | Avianca | ||
| 20 Jun | Alaska Airlines |
Also check the deals for return flights from Seattle to Guatemala City in June.
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