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

Return flights

09 Oct - 16 Oct	Viva	direct
13 Oct - 16 Oct	Viva	direct
02 Oct - 16 Oct	Viva	direct
02 Oct - 07 Oct	Viva	direct
01 Oct - 16 Oct	Viva	direct
01 Oct - 07 Oct	Viva	direct
05 Oct - 16 Oct	Viva	direct
05 Oct - 07 Oct	Viva	direct
04 Oct - 16 Oct	Viva	direct
04 Oct - 07 Oct	Viva	direct
20 Oct - 01 Nov	Viva	direct
13 Oct - 01 Nov	Viva	direct
24 Oct - 01 Nov	Viva	direct
24 Oct - 11 Nov	Viva	direct
17 Oct - 01 Nov	Viva	direct
23 Oct - 01 Nov	Viva	direct
23 Oct - 11 Nov	Viva	direct
12 Oct - 01 Nov	Viva	direct

Also check the deals for one-way flights from Mexico City to San Antonio 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 Mexico City to San Antonio in October from 181€

Return flights