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

Return flights

01 Jul - 08 Jul	Avianca
08 Jul - 15 Jul	Avianca
13 Jul - 20 Jul	Avianca
15 Jul - 22 Jul	Avianca
27 Jul - 08 Aug	Air Canada
20 Jul - 01 Aug	Arajet
23 Jul - 30 Jul	Avianca
05 Jul - 12 Jul	Avianca
28 Jul - 04 Aug	WestJet
20 Jul - 27 Jul	Arajet
22 Jul - 29 Jul	Avianca
12 Jul - 19 Jul	Avianca
06 Jul - 13 Jul	World Ticket Ltd
29 Jul - 05 Aug	Avianca
31 Jul - 21 Aug	Arajet
30 Jul - 06 Aug	WestJet
26 Jul - 02 Aug	Avianca
31 Jul - 07 Aug	Arajet
24 Jul - 14 Aug	Arajet
27 Jul - 03 Aug	LATAM Airlines Group

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 $882

Return flights