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

Return flights

06 Apr - 19 Apr	Arajet
02 Apr - 09 Apr	Avianca
04 Apr - 11 Apr	Avianca
08 Apr - 15 Apr	Avianca
14 Apr - 21 Apr	Avianca
16 Apr - 23 Apr	Avianca
18 Apr - 25 Apr	Avianca
20 Apr - 27 Apr	Avianca
07 Apr - 14 Apr	Avianca
09 Apr - 16 Apr	Avianca
30 Apr - 27 May	Avianca
28 Apr - 05 May	Avianca
30 Apr - 07 May	Avianca
25 Apr - 02 May	Avianca
29 Apr - 06 May	Avianca
28 Apr - 07 May	Avianca
28 Apr - 12 May	Avianca
28 Apr - 21 May	Avianca
30 Apr - 12 May	Avianca
30 Apr - 25 May	Copa

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

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 April from 600€

Return flights