AirHint found the following cheapest return flights from Guadalajara (GDL) to San Salvador (SAL) in January 2026 (see full year).
Return flights
| 30 Jan - 02 Feb | Copa | ||
| 18 Jan - 25 Jan | Copa | ||
| 28 Jan - 30 Jan | Copa | ||
| 19 Jan - 26 Jan | Copa |
Also check the deals for one-way flights from Guadalajara to San Salvador in January.
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