Cheapest return flights from Montreal to Buenos Aires in September from 706€

AirHint found the following cheapest return flights from Montreal (YUL) to Buenos Aires (EZE) in September 2026 (see full year).

Return flights

01 Sep - 08 Sep Copa
09 Sep - 16 Sep Copa
15 Sep - 22 Sep Copa
17 Sep - 24 Sep Copa
21 Sep - 28 Sep Copa
23 Sep - 30 Sep Copa
16 Sep - 23 Sep Copa
22 Sep - 29 Sep Copa
29 Sep - 06 Oct Copa
24 Sep - 01 Oct Copa
30 Sep - 07 Oct Copa
08 Sep - 15 Sep LATAM Airlines Group
03 Sep - 10 Sep LATAM Airlines Group
18 Sep - 02 Oct Copa
27 Sep - 04 Oct Copa
26 Sep - 03 Oct Copa

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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