Cheapest return flights from Montreal to Buenos Aires in October from $662

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 October 2025 (see full year).

Return flights

15 Oct - 29 Oct Avianca
15 Oct - 22 Oct Avianca
20 Oct - 27 Oct Avianca
22 Oct - 29 Oct Avianca
06 Oct - 13 Oct Copa
14 Oct - 21 Oct Copa
29 Oct - 05 Nov LATAM Airlines Group
28 Oct - 04 Nov LATAM Airlines Group
16 Oct - 23 Oct Copa
27 Oct - 03 Nov Copa
30 Oct - 06 Nov Copa
10 Oct - 27 Oct Copa
03 Oct - 20 Oct Copa
03 Oct - 13 Oct Copa
17 Oct - 07 Nov Copa
31 Oct - 09 Nov Copa
31 Oct - 07 Nov Copa
26 Oct - 02 Nov Copa
25 Oct - 01 Nov LATAM Airlines Group

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

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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