AirHint found the following cheapest return flights from San Jose (SJO) to San Salvador (SAL) in April 2026 (see full year).
Return flights
| 24 Apr - 29 Apr | Volaris El Salvador | direct | |
| 29 Apr - 01 May | Copa | ||
| 29 Apr - 02 May | Copa | ||
| 13 Apr - 22 Apr | Copa | ||
| 30 Apr - 03 May | Copa | ||
| 06 Apr - 20 Apr | Copa | ||
| 01 Apr - 05 Apr | Avianca | direct | |
| 02 Apr - 06 Apr | Copa |
Also check the deals for one-way flights from San Jose to San Salvador in April.
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