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

Return flights

11 Nov - 25 Nov	Copa
19 Nov - 10 Dec	Copa
06 Nov - 13 Nov	Copa
18 Nov - 25 Nov	Copa
19 Nov - 26 Nov	Copa
25 Nov - 02 Dec	Copa
18 Nov - 09 Dec	Copa
02 Nov - 12 Nov	United
07 Nov - 14 Nov	Air Canada
09 Nov - 16 Nov	Air Canada
02 Nov - 09 Nov	Air Canada
16 Nov - 23 Nov	Air Canada
21 Nov - 28 Nov	Air Canada
28 Nov - 05 Dec	Air Canada
29 Nov - 06 Dec	Air Canada
30 Nov - 07 Dec	Air Canada
14 Nov - 01 Dec	Air Canada
22 Nov - 14 Dec	Air Canada
24 Nov - 01 Dec	Copa
27 Nov - 04 Dec	Copa

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

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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Cheapest return flights from Montreal to Buenos Aires in November from $780

Return flights