Cheapest one-way flights from Boston to Buenos Aires in April from $314

AirHint found the following cheapest one-way flights from Boston (BOS) to Buenos Aires (AEP) in April 2026 (see full year).

One-Way flights

06 Apr Spirit Airlines
13 Apr Spirit Airlines
14 Apr Spirit Airlines
29 Apr Spirit Airlines
05 Apr Spirit Airlines
08 Apr Spirit Airlines
07 Apr Spirit Airlines
09 Apr Spirit Airlines
15 Apr Spirit Airlines
10 Apr Spirit Airlines

Also check the deals for return flights from Boston to Buenos Aires in April.

Powered by

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.