AirHint found the following cheapest return flights from La Paz (LPB) to San Salvador (SAL) in December 2025 (see full year).
Return flights
| 19 Dec - 25 Jan | Avianca | ||
| 26 Dec - 05 Jan | Avianca | ||
| 26 Dec - 04 Jan | Avianca | ||
| 27 Dec - 05 Jan | LATAM Airlines Group |
Also check the deals for one-way flights from La Paz to San Salvador in December.
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