Cheapest return flights from Mexico City to Buenos Aires in September from 603€

Best time to book flights for Mexico City (MEX) to Buenos Aires (EZE) flights at AirHint

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

Return flights

14 Sep - 24 Sep Avianca
14 Sep - 30 Sep Avianca
14 Sep - 25 Sep Avianca
18 Sep - 24 Sep Arajet
18 Sep - 01 Oct Arajet
27 Sep - 18 Oct Arajet
11 Sep - 17 Sep Arajet
04 Sep - 24 Sep Arajet
18 Sep - 03 Oct Arajet
02 Sep - 09 Sep Avianca
12 Sep - 19 Sep Avianca
10 Sep - 18 Sep Avianca
26 Sep - 10 Oct Avianca
02 Sep - 17 Sep Aeromexico
23 Sep - 05 Oct Avianca
24 Sep - 01 Oct Avianca
23 Sep - 02 Oct Avianca
17 Sep - 03 Oct Avianca
30 Sep - 18 Oct Avianca
02 Sep - 04 Oct Aeromexico

Also check the deals for one-way flights from Mexico City 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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires