Cheapest return flights from Boston to Buenos Aires in December from $664

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

Return flights

05 Dec - 07 Dec LATAM Airlines Group
02 Dec - 09 Dec Copa
05 Dec - 12 Dec LATAM Airlines Group
04 Dec - 11 Dec LATAM Airlines Group
05 Dec - 08 Dec Frontier Airlines
11 Dec - 21 Dec Copa
05 Dec - 18 Dec LATAM Airlines Group
26 Dec - 28 Dec LATAM Airlines Group
10 Dec - 20 Dec Spirit Airlines
26 Dec - 16 Jan Arajet
06 Dec - 26 Dec LATAM Airlines Group
27 Dec - 11 Jan LATAM Airlines Group
26 Dec - 09 Jan Arajet
27 Dec - 10 Jan Avianca
27 Dec - 03 Jan Frontier Airlines
25 Dec - 02 Jan Frontier Airlines
20 Dec - 03 Jan Frontier Airlines

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

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.