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

Return flights

08 Jun - 15 Jun	Copa
10 Jun - 17 Jun	Copa
16 Jun - 23 Jun	Copa
18 Jun - 25 Jun	Copa
01 Jun - 08 Jun	Copa
17 Jun - 24 Jun	Copa
23 Jun - 30 Jun	Copa
24 Jun - 01 Jul	Copa
04 Jun - 11 Jun	Copa
02 Jun - 09 Jun	Avianca
06 Jun - 13 Jun	Avianca
26 Jun - 03 Jul	Copa
24 Jun - 08 Jul	Arajet
30 Jun - 07 Jul	WestJet
21 Jun - 05 Jul	WestJet
21 Jun - 04 Jul	WestJet
28 Jun - 05 Jul	Avianca
27 Jun - 04 Jul	Avianca
29 Jun - 06 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 666€

Return flights