AirHint found the following cheapest return flights from Quito (UIO) to San Salvador (SAL) in May 2026 (see full year).
Return flights
| 24 May - 28 May | Avianca | ||
| 25 May - 29 May | Avianca | ||
| 01 May - 05 May | Copa | ||
| 25 May - 29 May | Avianca | direct |
Also check the deals for one-way flights from Quito to San Salvador in May.
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