Cheapest return flights from Boston to Buenos Aires in August from $750

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

Return flights

11 Aug - 22 Aug Avianca
14 Aug - 27 Aug Avianca
16 Aug - 23 Aug Spirit Airlines
31 Aug - 07 Sep Avianca
02 Aug - 09 Aug Spirit Airlines
01 Aug - 16 Aug Spirit Airlines
16 Aug - 25 Aug LATAM Airlines Group
15 Aug - 25 Aug LATAM Airlines Group

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

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

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