Cheapest return flights from Montreal to Buenos Aires in May from 763€

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

Return flights

01 May - 04 May Avianca
13 May - 20 May Avianca
22 May - 29 May Avianca
01 May - 08 May Avianca
01 May - 05 Jun Avianca
22 May - 05 Jun Avianca
17 May - 24 May Avianca
24 May - 31 May Avianca
10 May - 17 May Avianca
29 May - 05 Jun Avianca
18 May - 25 May Avianca
15 May - 22 May Avianca
03 May - 10 May Avianca
31 May - 07 Jun Avianca

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

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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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