AirHint found the following cheapest return flights from San Salvador (SAL) to Mexico City (MEX) in March 2026 (see full year).
Return flights
| 18 Mar - 27 Mar | Avianca | direct | |
| 18 Mar - 25 Mar | Avianca | direct | |
| 27 Mar - 03 Apr | Avianca | direct | |
| 27 Mar - 06 Apr | Avianca | direct | |
| 23 Mar - 05 Apr | Copa | ||
| 23 Mar - 05 Apr | Avianca | direct |
Also check the deals for one-way flights from San Salvador to Mexico City in March.
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