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

Return flights

01 Oct - 07 Oct	Avianca
03 Oct - 06 Oct	Avianca
03 Oct - 07 Oct	Avianca
21 Oct - 27 Oct	Avianca	direct
21 Oct - 26 Oct	Avianca
07 Oct - 21 Oct	Avianca
19 Oct - 23 Nov	Avianca
13 Oct - 21 Oct	Avianca
18 Oct - 26 Oct	Avianca
16 Oct - 23 Oct	Avianca
02 Oct - 09 Oct	Avianca
31 Oct - 02 Nov	Avianca
31 Oct - 09 Nov	Avianca
31 Oct - 09 Nov	Avianca	direct
30 Oct - 04 Nov	Aeromexico	direct
30 Oct - 03 Nov	Aeromexico	direct
30 Oct - 07 Nov	Aeromexico	direct
30 Oct - 05 Nov	Aeromexico	direct

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

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 October from 226€

Return flights