Cheapest return flights from Montreal to Buenos Aires in December from 640€

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

Return flights

09 Dec - 16 Dec Copa
10 Dec - 17 Dec Copa
04 Dec - 08 Dec Copa
05 Dec - 12 Dec Copa
04 Dec - 11 Dec LATAM Airlines Group
01 Dec - 08 Dec Copa
02 Dec - 16 Dec Delta
01 Dec - 13 Dec Delta
02 Dec - 09 Dec United
03 Dec - 10 Dec United
30 Dec - 20 Jan United
30 Dec - 16 Jan United
31 Dec - 13 Jan Copa
31 Dec - 15 Jan Arajet
30 Dec - 13 Jan United
30 Dec - 15 Jan United
24 Dec - 19 Jan Delta
21 Dec - 18 Jan Porter Airlines (Canada) Ltd
26 Dec - 11 Jan Porter Airlines (Canada) Ltd
31 Dec - 07 Jan Copa

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

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