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

Return flights

21 Oct - 28 Oct	Avianca	direct
15 Oct - 20 Oct	Avianca	direct
15 Oct - 20 Oct	Avianca
26 Oct - 09 Nov	Avianca
15 Oct - 22 Oct	Avianca	direct
29 Oct - 13 Nov	Avianca	direct
21 Oct - 25 Oct	Avianca	direct
20 Oct - 25 Oct	Avianca
29 Oct - 10 Nov	Avianca	direct
18 Oct - 25 Oct	Copa
19 Oct - 26 Oct	Avianca
20 Oct - 25 Oct	Avianca	direct
30 Oct - 01 Nov	Avianca
21 Oct - 30 Oct	Copa
28 Oct - 10 Nov	Avianca	direct
31 Oct - 09 Nov	Volaris El Salvador
24 Oct - 01 Nov	Avianca
29 Oct - 09 Nov	Avianca
29 Oct - 02 Nov	Avianca	direct
29 Oct - 03 Nov	Avianca

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 294€

Return flights