AirHint found the following cheapest return flights from Guadalajara (GDL) to San Salvador (SAL) in January 2026 (see full year).
Return flights
| 20 Jan - 28 Jan | Copa | ||
| 19 Jan - 28 Jan | Copa | ||
| 18 Jan - 31 Jan | Copa | ||
| 28 Jan - 04 Feb | Viva | ||
| 01 Jan - 10 Jan | Aeromexico | ||
| 02 Jan - 10 Jan | Aeromexico | ||
| 03 Jan - 10 Jan | Aeromexico |
Also check the deals for one-way flights from Guadalajara to San Salvador in January.
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