Cheapest return flights from Montreal to Buenos Aires in December from 863€

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

Return flights

30 Dec - 16 Jan Copa
30 Dec - 15 Jan Copa
31 Dec - 15 Jan LATAM Airlines Group
29 Dec - 30 Dec United
27 Dec - 01 Jan LATAM Airlines Group
30 Dec - 06 Jan Copa
31 Dec - 07 Jan Avianca
29 Dec - 05 Jan United
28 Dec - 02 Jan LATAM Airlines Group
28 Dec - 04 Jan Copa

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

Powered by

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.