Cheapest return flights from Mexico City to Porto in September from $934

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

Return flights

20 Sep - 26 Sep Viva
26 Sep - 28 Sep Viva
14 Sep - 19 Sep Volaris
14 Sep - 17 Sep Viva
12 Sep - 17 Sep Viva
25 Sep - 06 Oct Volaris
10 Sep - 17 Sep Volaris
08 Sep - 18 Sep Volaris
18 Sep - 28 Sep Lufthansa

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

Skyscanner

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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