AirHint found the following cheapest return flights from Chicago (MDW) to San Salvador (SAL) in April 2026 (see full year).
Return flights
| 24 Apr - 26 Apr | Delta | ||
| 07 Apr - 14 Apr | LATAM Airlines Group | ||
| 09 Apr - 21 Apr | Delta | ||
| 04 Apr - 11 Apr | Frontier Airlines |
Also check the deals for one-way flights from Chicago to San Salvador in April.
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