Cheapest return flights from Boston to Buenos Aires in August from 688€

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

Return flights

12 Aug - 31 Aug Avianca
25 Aug - 10 Sep Spirit Airlines
20 Aug - 27 Aug jetBlue
22 Aug - 26 Aug Spirit Airlines
31 Aug - 07 Sep Spirit Airlines
20 Aug - 28 Aug LATAM Airlines Group
03 Aug - 10 Aug Spirit Airlines

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.

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