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

Return flights

28 Jan - 04 Feb	Avianca
21 Jan - 06 Feb	Avianca
12 Jan - 09 Feb	United
22 Jan - 29 Jan	United
27 Jan - 03 Feb	United
30 Jan - 28 Feb	Arajet
26 Jan - 13 Feb	United
18 Jan - 22 Feb	Delta
19 Jan - 22 Feb	Delta
27 Jan - 28 Feb	LATAM Airlines Group
30 Jan - 06 Feb	Arajet
19 Jan - 26 Jan	LATAM Airlines Group
21 Jan - 28 Jan	LATAM Airlines Group
20 Jan - 27 Jan	LATAM Airlines Group
18 Jan - 26 Jan	Delta
15 Jan - 22 Jan	United
18 Jan - 25 Jan	Air Canada
14 Jan - 21 Jan	LATAM Airlines Group
23 Jan - 30 Jan	LATAM Airlines Group
16 Jan - 23 Jan	United

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 647€

Return flights