Cheapest return flights from Cancun to Buenos Aires in September from $602

AirHint found the following cheapest return flights from Cancun (CUN) to Buenos Aires (AEP) in September 2025 (see full year).

Return flights

11 Sep - 16 Sep Avianca
01 Sep - 08 Sep Avianca
02 Sep - 05 Sep Sky Airline
12 Sep - 16 Sep Sky Airline
09 Sep - 20 Sep Sky Airline
01 Sep - 25 Sep Avianca
03 Sep - 30 Oct Avianca
08 Sep - 15 Sep Avianca
07 Sep - 10 Sep Avianca
08 Sep - 22 Sep Avianca
17 Sep - 27 Sep Sky Airline
23 Sep - 01 Oct Arajet
21 Sep - 07 Oct LATAM Airlines Group

Also check the deals for one-way flights from Cancun to Buenos Aires 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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