Cheapest return flights from Mexico City to San Salvador in September from $229

AirHint found the following cheapest return flights from Mexico City (MEX) to San Salvador (SAL) in September 2025 (see full year).

Return flights

04 Sep - 06 Sep Avianca
06 Sep - 09 Sep Avianca direct
04 Sep - 07 Sep Avianca direct
09 Sep - 17 Sep Copa
08 Sep - 13 Sep Copa
01 Sep - 04 Sep Copa
04 Sep - 10 Sep Copa
05 Sep - 10 Sep Copa
04 Sep - 09 Sep Avianca
05 Sep - 16 Oct Copa
08 Sep - 25 Sep Avianca
05 Sep - 16 Oct Aeromexico direct

Also check the deals for one-way flights from Mexico City to San Salvador in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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