AirHint found the following cheapest one-way flights from San Francisco (SFO) to San Salvador (SAL) in January 2026 (see full year).
One-Way flights
| 18 Jan | Alaska Airlines | ||
| 22 Jan | Alaska Airlines | ||
| 06 Jan | Frontier Airlines | ||
| 18 Jan | Avianca | direct | |
| 06 Jan | Avianca | direct | |
| 22 Jan | Avianca | direct |
Also check the deals for return flights from San Francisco to San Salvador in January.
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