Cheap flight from Boston to Buenos Aires from $381

Frequently Asked Questions

• Which airlines offer flights from Boston to Buenos Aires?

  At the moment, several airlines serve connecting flights from Boston to Buenos Aires, including: Jetblue Airways Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Boston to Buenos Aires?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Buenos Aires is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• When are flight tickets from Boston (BOS) to Buenos Aires (BUE) the cheapest?

  The cheapest months to fly from Boston to Buenos Aires is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Boston to Buenos Aires on?

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Boston to Buenos Aires on November 11, 2025 with avianca, with prices starting at $339.

• Which airports can I fly to for Buenos Aires from Boston?

  You can land at any one of the following hubs in Buenos Aires, with Logan International Airport to Ministro Pistarini International Airport (BOS-EZE) is by far the most common option on this route: Ministro Pistarini International Airport (EZE) Jorge Newbery Airport (AEP).

• Is there any time difference between Boston and Buenos Aires?

  The time difference between Buenos Aires and Boston is 2h.

• How do I change or cancel my ticket from Boston to Buenos Aires?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.