Cheapest return flights from Montreal to Buenos Aires in September from $712

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

Return flights

02 Sep - 09 Sep LATAM Airlines Group
04 Sep - 11 Sep LATAM Airlines Group
09 Sep - 16 Sep LATAM Airlines Group
10 Sep - 17 Sep LATAM Airlines Group
11 Sep - 18 Sep LATAM Airlines Group
14 Sep - 21 Sep LATAM Airlines Group
16 Sep - 23 Sep LATAM Airlines Group
25 Sep - 02 Oct LATAM Airlines Group
29 Sep - 06 Oct LATAM Airlines Group
22 Sep - 29 Sep LATAM Airlines Group
22 Sep - 26 Sep LATAM Airlines Group
17 Sep - 24 Sep Copa
30 Sep - 07 Oct LATAM Airlines Group
13 Sep - 02 Oct Delta
28 Sep - 05 Oct Avianca
26 Sep - 03 Oct LATAM Airlines Group
24 Sep - 01 Oct Copa
27 Sep - 04 Oct Copa

Also check the deals for one-way flights from Montreal 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

Feel free to contact us with any feedback or request another flight research.