Cheap Flights from Buenos Aires to San Jose from $275

Frequently Asked Questions

• What are the cheapest flights from Buenos Aires to San Jose (BUE-SJO)?

  Based on Trip.com data, avianca offers one-way fares as low as $275 on Cheapest nonstop routes (e.g. EZE to SJO on Mon, Jun 29), while LATAM Airlines offers Cheapest nonstop round-trips from $503 departing on Fri, Jun 12 and returning on Wed, Jun 17.

• Which airlines offer flights from Buenos Aires to San Jose?

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

• How long does it take to fly from Buenos Aires (BUE) to San Jose (SJO) and what is the distance?

  It takes around 9 hours 45 minutes to fly from Buenos Aires (BUE) to San Jose (SJO).

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Buenos Aires to San Jose 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.

• How many flights are there per week from Buenos Aires to San Jose?

  Based on Trip.com data in the past 4 weeks, there is 3 flight per week flying from Buenos Aires to San Jose. You can check the weekly schedule for popular airlines on this route below: avianca: S/M/-/W/-/F/- -- AV646 (10:19) avianca: -/-/T/-/T/-/S -- AV634 (06:18)

• How can I find the best deals on flights from Buenos Aires to San Jose?

  To find best deals on flights from Buenos Aires to San Jose, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Jun 29, with one-way flights priced at just $275.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is avianca.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Jose travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Buenos Aires (BUE) to San Jose (SJO) the cheapest?

  The cheapest months to fly from Buenos Aires to San Jose is October, when demand for travel is lower.

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

  After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Buenos Aires to San Jose on June 22, 2026 with LATAM Airlines, with prices starting at $515.

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

  You can land at any one of the following hubs in San Jose, with Ezeiza International Airport to Juan Santamaría International Airport (EZE-SJO) is by far the most common option on this route: Juan Santamaría International Airport (SJO) Tobias Bolaños International Airport (SYQ).

• Is there any time difference between Buenos Aires and San Jose?

  The time difference between San Jose and Buenos Aires is 3h.

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

  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.