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

Return flights

21 Oct - 25 Oct	Avianca
09 Oct - 15 Oct	Volaris
03 Oct - 13 Oct	Viva
11 Oct - 13 Oct	Viva
06 Oct - 13 Oct	Viva
03 Oct - 14 Oct	Viva
11 Oct - 27 Oct	Viva
29 Oct - 13 Nov	Volaris
11 Oct - 14 Oct	Viva
11 Oct - 28 Oct	Viva
03 Oct - 07 Oct	Viva
23 Oct - 06 Nov	Volaris
23 Oct - 06 Nov	Volaris	direct
30 Oct - 03 Nov	Volaris	direct
22 Oct - 16 Nov	Volaris	direct
16 Oct - 08 Nov	Frontier Airlines	direct
15 Oct - 10 Nov	Spirit Airlines
18 Oct - 08 Nov	Viva
18 Oct - 04 Nov	Viva
20 Oct - 08 Nov	Viva

Also check the deals for one-way flights from Miami 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 Miami to Mexico City in October from 179€

Return flights