AirHint found the following cheapest return flights from San Salvador (SAL) to Mexico City (MEX) in March 2026 (see full year).

Return flights

08 Mar - 15 Mar	Avianca
09 Mar - 09 Apr	Avianca
05 Mar - 09 Mar	Volaris Costa Rica
05 Mar - 10 Mar	Avianca
05 Mar - 09 Mar	Avianca	direct
21 Mar - 25 Mar	Avianca
04 Mar - 08 Mar	Avianca
07 Mar - 11 Mar	Avianca
05 Mar - 08 Mar	Avianca
28 Mar - 04 Apr	Copa
24 Mar - 03 Apr	Copa
28 Mar - 05 Apr	Copa
29 Mar - 04 Apr	Copa
27 Mar - 04 Apr	Copa
27 Mar - 30 Mar	Copa
26 Mar - 29 Mar	Copa
27 Mar - 03 Apr	Copa
27 Mar - 06 Apr	Copa

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

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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Cheapest return flights from San Salvador to Mexico City in March from $256

Return flights