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

Return flights

05 Oct - 12 Oct	Avianca
18 Oct - 21 Oct	Avianca
16 Oct - 24 Oct	Avianca
15 Oct - 23 Oct	Avianca
01 Oct - 08 Oct	Avianca
17 Oct - 24 Oct	Avianca
15 Oct - 23 Oct	Aeromexico	direct
30 Oct - 11 Nov	Avianca
29 Oct - 04 Nov	Aeromexico	direct
30 Oct - 04 Nov	Aeromexico	direct
31 Oct - 04 Nov	Aeromexico	direct
24 Oct - 29 Oct	Copa
30 Oct - 02 Nov	Avianca
30 Oct - 03 Nov	Aeromexico
29 Oct - 03 Nov	Aeromexico
30 Oct - 11 Nov	Aeromexico	direct
31 Oct - 03 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 233€

Return flights