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

Return flights

17 Jun - 24 Jun	Copa
02 Jun - 09 Jun	Copa
03 Jun - 10 Jun	Copa
12 Jun - 19 Jun	Copa
26 Jun - 03 Jul	Copa
15 Jun - 22 Jun	Copa
18 Jun - 25 Jun	Copa
08 Jun - 15 Jun	Arajet
07 Jun - 14 Jun	Copa
21 Jun - 28 Jun	Copa
14 Jun - 21 Jun	Copa
24 Jun - 01 Jul	Copa
30 Jun - 07 Jul	Avianca
29 Jun - 06 Jul	Arajet
28 Jun - 05 Jul	WestJet
25 Jun - 02 Jul	Avianca

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

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 June from 689€

Return flights