AirHint found the following cheapest one-way flights from Guatemala City (GUA) to San Salvador (SAL) in September 2025 (see full year).
One-Way flights
| 27 Sep | Volaris Costa Rica | ||
| 27 Sep | Avianca | direct | |
| 04 Sep | Avianca | direct | |
| 05 Sep | Avianca | direct |
Also check the deals for return flights from Guatemala City to San Salvador in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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