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

Return flights

27 Jul - 03 Aug	Copa
31 Jul - 07 Aug	Avianca
26 Jul - 02 Aug	Avianca
24 Jul - 31 Jul	LATAM Airlines Group
07 Jul - 25 Jul	Air Canada
01 Jul - 08 Jul	Air Canada
08 Jul - 15 Jul	Air Canada
15 Jul - 22 Jul	Air Canada
22 Jul - 29 Jul	Air Canada
23 Jul - 30 Jul	LATAM Airlines Group
25 Jul - 01 Aug	LATAM Airlines Group
13 Jul - 20 Jul	World Ticket Ltd
20 Jul - 27 Jul	Copa
06 Jul - 13 Jul	World Ticket Ltd

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

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 July from $883

Return flights