Cheapest return flights from Montreal to Buenos Aires in September from $788

Best time to book flights for Montreal (YUL) to Buenos Aires (EZE) flights at AirHint

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

Return flights

03 Sep - 10 Sep LATAM Airlines Group
09 Sep - 16 Sep LATAM Airlines Group
11 Sep - 18 Sep LATAM Airlines Group
17 Sep - 24 Sep LATAM Airlines Group
23 Sep - 30 Sep LATAM Airlines Group
02 Sep - 09 Sep LATAM Airlines Group
10 Sep - 17 Sep LATAM Airlines Group
16 Sep - 23 Sep LATAM Airlines Group
18 Sep - 25 Sep LATAM Airlines Group
25 Sep - 02 Oct LATAM Airlines Group
24 Sep - 01 Oct LATAM Airlines Group
30 Sep - 07 Oct LATAM Airlines Group
04 Sep - 11 Sep LATAM Airlines Group
28 Sep - 05 Oct LATAM Airlines Group
29 Sep - 06 Oct LATAM Airlines Group
27 Sep - 04 Oct LATAM Airlines Group
26 Sep - 03 Oct Aeromexico

Also check the deals for one-way flights from Montreal to Buenos Aires in September.

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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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