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

Return flights

06 Aug - 18 Aug	Avianca
14 Aug - 17 Aug	Avianca
11 Aug - 17 Aug	Avianca
18 Aug - 25 Aug	Avianca
06 Aug - 11 Aug	Avianca
14 Aug - 21 Aug	Avianca
06 Aug - 08 Aug	Avianca
14 Aug - 18 Aug	Avianca
13 Aug - 27 Aug	Avianca
14 Aug - 23 Aug	Avianca
23 Aug - 08 Sep	Viva
23 Aug - 05 Sep	Viva
31 Aug - 08 Sep	Viva
17 Aug - 05 Sep	Viva
28 Aug - 08 Sep	Viva
31 Aug - 05 Sep	Viva
18 Aug - 05 Sep	Viva
28 Aug - 05 Sep	Viva
22 Aug - 08 Sep	Viva
24 Aug - 08 Sep	Viva

Also check the deals for one-way flights from Mexico City to Miami 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 Miami in August from $67

Return flights