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

Return flights

06 Aug - 25 Aug	Viva	direct
05 Aug - 25 Aug	Viva	direct
13 Aug - 25 Aug	Viva	direct
18 Aug - 25 Aug	Viva	direct
14 Aug - 25 Aug	Viva	direct
26 Aug - 07 Sep	Viva	direct
26 Aug - 01 Sep	Viva	direct
26 Aug - 09 Sep	Viva	direct
26 Aug - 06 Sep	Viva	direct
27 Aug - 07 Sep	Viva	direct
27 Aug - 01 Sep	Viva	direct
27 Aug - 09 Sep	Viva	direct
27 Aug - 06 Sep	Viva	direct
19 Aug - 01 Sep	Viva	direct
19 Aug - 06 Sep	Viva	direct
16 Aug - 25 Aug	Viva	direct
15 Aug - 25 Aug	Viva	direct
17 Aug - 25 Aug	Viva	direct
19 Aug - 25 Aug	Viva	direct
21 Aug - 25 Aug	Viva	direct

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

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 August from 186€

Return flights