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

Return flights

02 Sep - 21 Sep	Viva Aerobus
28 Sep - 11 Oct	Viva Aerobus
02 Sep - 04 Sep	Viva Aerobus
02 Sep - 13 Sep	Viva Aerobus
28 Sep - 06 Oct	Viva Aerobus
28 Sep - 04 Oct	Viva Aerobus
07 Sep - 21 Sep	Viva Aerobus
30 Sep - 11 Oct	Viva Aerobus
07 Sep - 13 Sep	Viva Aerobus
30 Sep - 06 Oct	Volaris
22 Sep - 29 Sep	Volaris	direct
30 Sep - 06 Oct	Volaris	direct
30 Sep - 01 Oct	Volaris	direct
17 Sep - 22 Sep	Volaris	direct
30 Sep - 04 Oct	Viva Aerobus
03 Sep - 10 Sep	Volaris	direct
03 Sep - 08 Sep	Volaris	direct
09 Sep - 28 Sep	Volaris	direct

Also check the deals for one-way flights from Oakland 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.

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Cheapest return flights from Oakland to Mexico City in September from $148

Return flights