Cheapest return flights from Montreal (YUL) to Buenos Aires (AEP), October

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
16 Oct 31 Oct Arajet
16 Oct 30 Oct Arajet
21 Oct 01 Nov WestJet
15 Oct 31 Oct Air Transat
17 Oct 25 Oct Avianca
10 Oct 30 Oct Air Canada
12 Oct 26 Oct Avianca
08 Oct 15 Oct LATAM Airlines Group
08 Oct 18 Oct Avianca
01 Oct 08 Oct Air Transat
01 Oct 14 Oct Air Canada
27 Oct 03 Nov Avianca
15 Oct 05 Nov Avianca
05 Oct 01 Nov Avianca
05 Oct 02 Nov Avianca
05 Oct 03 Nov Avianca
05 Oct 04 Nov Avianca
05 Oct 05 Nov Avianca
05 Oct 06 Nov Avianca
05 Oct 07 Nov Avianca
Powered by

deals for one-way flights from Montreal to Buenos Aires in October.

Book a cheap hotel in Buenos Aires

Cheap car rent in Aeroparque Jorge Newbery

Updated Jul 17, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.