AirHint found the following cheapest one-way flights from Atlanta (ATL) to San Salvador (SAL) in March 2026 (see full year).
One-Way flights
| 01 Mar | Frontier Airlines | direct | |
| 28 Mar | Frontier Airlines | direct | |
| 14 Mar | Frontier Airlines | direct | |
| 21 Mar | Frontier Airlines | direct | |
| 07 Mar | Frontier Airlines | direct | |
| 06 Mar | Delta | direct |
Also check the deals for return flights from Atlanta to San Salvador in March.
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