Cheapest one-way flights from Boston to Buenos Aires in August from 275€

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

One-Way flights

23 Aug Spirit Airlines
21 Aug Spirit Airlines
22 Aug Spirit Airlines
09 Aug Spirit Airlines
08 Aug Spirit Airlines
06 Aug LATAM Airlines Group
07 Aug Spirit Airlines

Also check the deals for return 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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