AirHint found the following cheapest return flights from San Francisco (SFO) to San Salvador (SAL) in April 2026 (see full year).
Return flights
| 01 Apr - 29 Apr | Avianca | direct | |
| 01 Apr - 22 Apr | Avianca | direct | |
| 08 Apr - 24 Apr | Avianca | direct | |
| 07 Apr - 21 Apr | Avianca | direct | |
| 14 Apr - 18 Apr | Avianca | direct | |
| 03 Apr - 19 Apr | Avianca | direct |
Also check the deals for one-way flights from San Francisco to San Salvador in April.
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