AirHint found the following cheapest return flights from Montreal (YUL) to Buenos Aires (EZE) in January 2026 (see full year).

Return flights

18 Jan - 25 Jan	Air Canada
23 Jan - 30 Jan	Air Canada
23 Jan - 26 Jan	Air Canada
21 Jan - 28 Jan	LATAM Airlines Group
30 Jan - 06 Feb	Air Canada
27 Jan - 03 Feb	LATAM Airlines Group
19 Jan - 26 Jan	United
15 Jan - 22 Jan	LATAM Airlines Group
16 Jan - 23 Jan	Air Canada
17 Jan - 24 Jan	Air Canada
26 Jan - 02 Feb	Avianca
25 Jan - 15 Feb	Avianca
14 Jan - 21 Jan	United
28 Jan - 04 Feb	Avianca
25 Jan - 01 Feb	Avianca
13 Jan - 20 Jan	Copa
30 Jan - 28 Feb	Arajet
29 Jan - 05 Feb	United
31 Jan - 07 Feb	Copa

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

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 January from $788

Return flights