AirHint found the following cheapest return flights from Cancun (CUN) to San Salvador (SAL) in January 2026 (see full year).
Return flights
| 18 Jan - 25 Jan | Copa | ||
| 17 Jan - 29 Jan | Copa | ||
| 28 Jan - 18 Feb | Aeromexico | ||
| 25 Jan - 26 Jan | Aeromexico | ||
| 17 Jan - 29 Jan | Avianca | direct | |
| 29 Jan - 02 Feb | Avianca |
Also check the deals for one-way flights from Cancun to San Salvador in January.
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