Cheapest return flights from Montreal to Buenos Aires in December from $836

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 December 2025 (see full year).

Return flights

03 Dec - 10 Dec United
04 Dec - 11 Dec Copa
02 Dec - 09 Dec United
07 Dec - 14 Dec United
31 Dec - 07 Jan LATAM Airlines Group
08 Dec - 15 Dec United
05 Dec - 12 Dec Air Canada
09 Dec - 16 Dec Air Canada
28 Dec - 20 Jan LATAM Airlines Group
24 Dec - 31 Dec LATAM Airlines Group
23 Dec - 05 Jan Arajet
16 Dec - 23 Dec LATAM Airlines Group
14 Dec - 21 Dec Copa
25 Dec - 01 Jan Copa
31 Dec - 10 Jan LATAM Airlines Group
26 Dec - 02 Jan Copa
30 Dec - 06 Jan Aeromexico
27 Dec - 03 Jan Copa
29 Dec - 05 Jan Copa
28 Dec - 04 Jan Copa

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

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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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