AirHint found the following cheapest return flights from Chicago (MDW) to San Salvador (SAL) in November 2025 (see full year).
Return flights
| 11 Nov - 14 Nov | Delta | ||
| 20 Nov - 23 Nov | Delta | ||
| 27 Nov - 30 Nov | Frontier Airlines | ||
| 28 Nov - 30 Nov | Frontier Airlines |
Also check the deals for one-way flights from Chicago to San Salvador in November.
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