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

Return flights

16 Sep - 23 Sep	Volaris
14 Sep - 21 Sep	Volaris
13 Sep - 20 Sep	Volaris
11 Sep - 18 Sep	Volaris
26 Sep - 03 Oct	Aeromexico
27 Sep - 04 Oct	Aeromexico
08 Sep - 15 Sep	Volaris
30 Sep - 07 Oct	Aeromexico
07 Sep - 14 Sep	Volaris
25 Sep - 12 Oct	Viva
27 Sep - 27 Oct	Aeromexico
24 Sep - 01 Oct	Aeromexico
17 Sep - 24 Sep	Aeromexico
09 Sep - 16 Sep	Volaris
21 Sep - 28 Sep	Volaris
23 Sep - 30 Sep	Volaris
25 Sep - 02 Oct	Viva
29 Sep - 06 Oct	Volaris
29 Sep - 09 Oct	Aeromexico
28 Sep - 04 Oct	Volaris

Also check the deals for one-way flights from Mexico City to Singapore 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 Singapore in September from $982

Return flights