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

Return flights

30 Sep - 15 Oct	Viva
27 Sep - 15 Oct	Viva
30 Sep - 04 Oct	Viva
30 Sep - 18 Oct	Viva
24 Sep - 04 Oct	Viva
23 Sep - 04 Oct	Viva
27 Sep - 04 Oct	Viva
20 Sep - 04 Oct	Viva
28 Sep - 15 Oct	Viva
22 Sep - 26 Sep	Copa
22 Sep - 25 Sep	Copa
21 Sep - 25 Sep	Copa
20 Sep - 26 Sep	Copa
20 Sep - 27 Sep	Copa
25 Sep - 26 Sep	Copa
19 Sep - 25 Sep	Copa
24 Sep - 27 Sep	Copa
19 Sep - 26 Sep	Copa
23 Sep - 08 Oct	Copa
25 Sep - 28 Sep	Copa

Also check the deals for one-way flights from Mexico City to Havana 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 Mexico City to Havana in September from $321

Return flights