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	Avianca
29 Jul - 05 Aug	Avianca
31 Jul - 07 Aug	Avianca
30 Jul - 06 Aug	Copa
28 Jul - 04 Aug	Copa
17 Jul - 31 Jul	Arajet
22 Jul - 29 Jul	Air Canada
20 Jul - 27 Jul	Arajet
06 Jul - 13 Jul	Arajet
15 Jul - 22 Jul	Air Canada
17 Jul - 24 Jul	Arajet
08 Jul - 15 Jul	Arajet
13 Jul - 20 Jul	Arajet
24 Jul - 31 Jul	Arajet
10 Jul - 17 Jul	Arajet
26 Jul - 02 Aug	Avianca
25 Jul - 01 Aug	Arajet

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 676€

Return flights