Cheapest return flights from Boston to Buenos Aires in October from $735

AirHint found the following cheapest return flights from Boston (BOS) to Buenos Aires (AEP) in October 2025 (see full year).

Return flights

12 Oct - 17 Oct LATAM Airlines Group
08 Oct - 14 Oct Avianca
07 Oct - 14 Oct Avianca
17 Oct - 26 Oct Spirit Airlines
10 Oct - 19 Oct LATAM Airlines Group
10 Oct - 17 Oct LATAM Airlines Group
10 Oct - 18 Oct LATAM Airlines Group

Also check the deals for one-way flights from Boston to Buenos Aires in October.

Skyscanner

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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