Cheap Flights from Rio de Janeiro to Buenos Aires from $63

Frequently Asked Questions

• What are the cheapest flights from Rio de Janeiro to Buenos Aires (RIO-BUE)?

  Based on Trip.com data, Flybondi offers one-way fares as low as $63 on Cheapest nonstop routes (e.g. GIG to AEP on Wed, Oct 14), while JetSMART Airlines offers Cheapest nonstop round-trips from $215 departing on Fri, Oct 2 and returning on Tue, Oct 6.

• Which airlines offer direct flights from Rio de Janeiro to Buenos Aires?

  At the moment, you can catch a nonstop flight from Rio de Janeiro to Buenos Aires with the following airlines, including: Gol Linhas Aereas Inteligentes Aerolineas Argentinas LATAM Airlines JetSMART British Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Rio de Janeiro (RIO) to Buenos Aires (BUE) and what is the distance?

  It takes around 3 hours 22 minutes to fly from Rio de Janeiro (RIO) to Buenos Aires (BUE).

• When is the best time to book flights from Rio de Janeiro 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 Rio de Janeiro 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.

• How many flights are there per week from Rio de Janeiro to Buenos Aires?

  Based on Trip.com data in the past 4 weeks, there is 96 flight per week flying from Rio de Janeiro to Buenos Aires. You can check the weekly schedule for popular airlines on this route below: JetSMART: S/M/T/W/T/F/S -- JA3813 (08:13)

• How can I find the best deals on flights from Rio de Janeiro to Buenos Aires?

  To find best deals on flights from Rio de Janeiro to Buenos Aires, 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 Wed, Oct 14, with one-way flights priced at just $63.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Flybondi.
  · 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 Buenos Aires travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Rio de Janeiro (RIO) to Buenos Aires (BUE) the cheapest?

  The cheapest months to fly from Rio de Janeiro to Buenos Aires is December, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Rio de Janeiro to Buenos Aires on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Rio de Janeiro to Buenos Aires on September 16, 2026 with JetSMART, with prices starting at $74.

• Which airports can I fly into Buenos Aires from Rio de Janeiro?

  You can arrive at any of the following airports in Buenos Aires: Ezeiza International Airport (EZE), and Jorge Newbery Airport (AEP). Flights from Galeão International Airport to Jorge Newbery Airport (GIG-AEP) are by far the most popular option for this route.

• Is there any time difference between Rio de Janeiro and Buenos Aires?

  The time difference between Buenos Aires and Rio de Janeiro is 0m.

• How do I change or cancel my ticket from Rio de Janeiro 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.

• What is the average cost of a one-way flight from Rio de Janeiro to Buenos Aires?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Rio de Janeiro to Buenos Aires is $235. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Rio de Janeiro to Buenos Aires?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Rio de Janeiro to Buenos Aires is $427. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Rio de Janeiro to Buenos Aires on Trip.com?

  Enter Rio de Janeiro and Buenos Aires, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Rio de Janeiro to Buenos Aires route?

  JetSMART and Gol Linhas Aereas Inteligentesare the most popular budget airlines flying from Rio de Janeiro to Buenos Aires. Check baggage, seat and payment fees before comparing the final price.