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

Return flights

13 Sep - 20 Sep	Viva
25 Sep - 01 Oct	Volaris	direct
23 Sep - 13 Oct	Viva
26 Sep - 28 Sep	Volaris	direct
26 Sep - 03 Oct	Volaris	direct
26 Sep - 13 Oct	Viva
20 Sep - 29 Sep	Viva
13 Sep - 19 Sep	Viva
20 Sep - 11 Oct	Viva
23 Sep - 29 Sep	Viva
20 Sep - 06 Oct	Viva
23 Sep - 11 Oct	Viva
24 Sep - 28 Sep	Volaris	direct
13 Sep - 15 Sep	Viva
26 Sep - 29 Sep	Viva
11 Sep - 28 Sep	Volaris	direct
13 Sep - 29 Sep	Viva
23 Sep - 06 Oct	Viva
26 Sep - 11 Oct	Viva
30 Sep - 13 Oct	Viva

Also check the deals for one-way flights from Miami to Mexico City in September.

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.

Book a cheap hotel in Mexico City

Cheap car rent in Mexico City

Cheapest return flights from Miami to Mexico City in September from 191€

Return flights