Cheap Flights from Rio de Janeiro (RIOA) to Buenos Aires (BUEA)

Compare Rio de Janeiro to Buenos Aires flight deals

Find the cheapest month or even day of the year to fly to Buenos Aires

Book the best Buenos Aires fare with no extra fees

Flight deals from Rio de Janeiro to Buenos Aires

Looking for a cheap last-minute deal or the best return flight from Rio de Janeiro to Buenos Aires? If you want to travel next month, return fares start from $245. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Rio de Janeiro to Buenos Aires

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Rio de Janeiro to Buenos Aires flights are currently cheapest in August.

Direct flights from Rio de Janeiro to Buenos Aires

Alternative Rio de Janeiro to Buenos Aires routes

Looking for the cheapest, fastest or easiest route from Rio de Janeiro to Buenos Aires? You could fly into the following airports instead.

Rio de Janeiro to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight found$245
Cheapest month to flyAugust
Average flight time3 hrs, 25 mins
Most popular airlineLATAM Airlines
Average flights per week308

Finding cheap flights from Rio de Janeiro to Buenos Aires: Frequently asked questions

There are 2 airports in Buenos Aires: Buenos Aires Jorge Newbery and Buenos Aires Ministro Pistarini.
The best price we found for a return flight from Rio de Janeiro to Buenos Aires is $245. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 25 minutes is the average flight time from Rio de Janeiro to Buenos Aires.
LATAM Airlines, GOL Linhas Aéreas and KLM fly direct from Rio de Janeiro to Buenos Aires.
As of July 2026, there are 308 flights per week flying from Rio de Janeiro to Buenos Aires.
The cheapest month to fly from Rio de Janeiro to Buenos Aires is usually August.
If you're flying from Rio de Janeiro, the cheapest airport near Buenos Aires is Buenos Aires Ministro Pistarini – which is 27.7 km away from the centre of Buenos Aires. We've found flights into this airport from $245.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Rio de Janeiro to Buenos Aires on Sunday, 30 August 2026.
Yes – the average flight time is 3 hours and 25 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buenos Aires but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buenos Aires is around 40 days in advance, so don’t leave your flight to the last minute.

In July, the average temperature is usually around 10°C. January is typically the warmest month in Buenos Aires, when it usually averages around 30°C. You can expect the least rain in June. The coldest month is July, with temperatures averaging 6°C. The rainiest month is March.
The cheapest airline that flies to Buenos Aires is LATAM Airlines. And the cheapest airline that flies to Buenos Aires Ministro Pistarini Airport is JetSmart.

Travelling from Rio de Janeiro to Buenos Aires: what you need to know

  • Planning your getaway begins with working out where you'll fly out of in Rio de Janeiro. Rio de Janeiro Internacional Airport (GIG) is the city's main airport, so check out your options for reserving a flight from Rio de Janeiro to Buenos Aires taking off from here.

  • Buenos Aires Jorge Newbery Airport (AEP) and Buenos Aires Ministro Pistarini Airport (EZE) are Buenos Aires's primary gateways.

  • Around 3 hours 25 minutes is how long you can expect to be in the air on a direct Rio de Janeiro to Buenos Aires flight.

  • Rio de Janeiro and Buenos Aires are in the same timezone, UTC-3.

  • The most popular route for flights from Rio de Janeiro to Buenos Aires is Rio de Janeiro Internacional Airport (GIG) to Buenos Aires Jorge Newbery Airport (AEP). You'll find 62 services that connect these two airports every week.

  • For a stress-free start to your trip, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your Rio de Janeiro to Buenos Aires flight.

  • You'll likely experience longer lines during popular months such as December. Arriving up to four hours ahead of an international flight and two hours for domestic departures will give you plenty of time for security and boarding.

How to find the cheapest flights from Rio de Janeiro to Buenos Aires

  • $93 is the best price for a one-way ticket from Rio de Janeiro to Buenos Aires. A return flight starts at $245. These prices may change based on demand.

  • Get cheap Rio de Janeiro to Buenos Aires flights by booking one month ahead. Based on our research, that's the ideal time for bagging a bargain.

  • The best month for landing cheap plane tickets from Rio de Janeiro to Buenos Aires is June. Use the 'Whole month' tool to compare prices, then choose the dates that offer the lowest fares.

  • You don't need to check back in every day to find out if prices have dropped when you create a Price Alert. We'll update you as soon as a better deal comes up on cheap flights from Rio de Janeiro to Buenos Aires.

  • Find a cheap Rio de Janeiro to Buenos Aires flight with the help of our filters. Select your ideal duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from Rio de Janeiro

Rio de Janeiro Internacional Airport (GIG)

  • You can book a direct flight from Rio de Janeiro to Buenos Aires leaving from Rio de Janeiro Internacional Airport (GIG). Start your trip at GIG and then make your arrival at Buenos Aires Jorge Newbery Airport (AEP) or Buenos Aires Ministro Pistarini Airport (EZE).

  • Direct Rio de Janeiro to Buenos Aires plane tickets are offered by a range of airlines at GIG. Your nonstop flight awaits with one of these options:

  • Stopovers are the ideal opportunity to break up your trip — and possibly even tour another city. When searching for Rio de Janeiro to Buenos Aires flights departing from Rio de Janeiro Internacional Airport, deselect the 'Direct flights only' box to see where you can stop along the way. Popular options include:

    • Bogota Airport (BOG)

    • Panama City Tocumen International Airport (PTY)

    • Santiago Arturo Merino Benitez Airport (SCL)

  • GIG is about 13 kilometres from central Rio de Janeiro. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 30 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 1 hour.

  • Need a handy hotel close to Rio de Janeiro Internacional Airport? If you're boarding an early flight from Rio de Janeiro to Buenos Aires, these accommodation options will put you moments from your departure lounge:

  • Of the flights that depart from Rio de Janeiro Internacional Airport, 79% touch down on time at their destination.

Arriving in Buenos Aires

Buenos Aires Jorge Newbery Airport (AEP)

  • Buenos Aires Jorge Newbery Airport (AEP) to central Buenos Aires takes about 25 minutes by car. The centre is roughly 6 kilometres away.

  • If you're travelling on public transport, expect a journey time of around 40 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Rio de Janeiro to Buenos Aires. Book one of these accommodation options near AEP instead:

  • Go where the road takes you with a Buenos Aires Jorge Newbery Airport rental car. Pick up your wheels from Hertz, Localiza or rentar low cost and discover more of Buenos Aires and beyond.

  • Booking your ride from Buenos Aires Jorge Newbery Airport around one week in advance increases your chances of getting a good deal.

Buenos Aires Ministro Pistarini Airport (EZE)

  • Buenos Aires Ministro Pistarini Airport (EZE) is roughly 24 kilometres from the centre of Buenos Aires. Once you've hopped off your flight from Rio de Janeiro to Buenos Aires, it'll take you approximately 30 minutes to get to the heart of the city in a ride-share or taxi.

  • If you're travelling on public transport, it'll take approximately 1 hour 15 minutes.

  • After your flight from Rio de Janeiro to Buenos Aires, rest your head at a hotel close to EZE. These are some great accommodation options that'll help you get into relaxation mode:

  • No need to worry about public transport schedules or waiting in a long taxi line. Pick up a Buenos Aires Ministro Pistarini Airport rental car and take your journey in whatever direction you like. Check out the availability and rates from Hertz, Cactus and Localiza.

  • Get exactly what you want. Reserving your ride from EZE one week in advance often means better prices and a wider choice of vehicles.

El Palomar Airport (EPA)

  • Once your flight from Rio de Janeiro to Buenos Aires has landed, the city centre awaits. El Palomar Airport (EPA) is around 16 kilometres from central Buenos Aires.

  • Set your GPS and zoom off on the next leg of your journey with a El Palomar Airport rental car. Whether you want a fuel-efficient compact or a family van, you'll find the perfect set of wheels from Rent A Car or Rent A Car.

  • Booking at least a few weeks ahead of your flight from Rio de Janeiro to Buenos Aires is a smart move. Along with better prices, you'll have a wider selection of vehicle makes and models at EPA.

Best time to go to Buenos Aires

  • It's time to plan your travel dates for your flight from Rio de Janeiro to Buenos Aires. August is the most popular month to travel to Buenos Aires. If you prefer a more relaxed atmosphere, go in March.

  • When booking your Rio de Janeiro to Buenos Aires tickets, consider the kind of weather you prefer. January is the warmest month in Buenos Aires, with temperatures ranging from 18ºC (64ºF) to 32ºC (90ºF).

  • If you want to travel in cooler conditions, search for a cheap flight from Rio de Janeiro to Buenos Aires in July when temperatures average between 5ºC (41ºF) and 16ºC (61ºF).

More about Buenos Aires

  • Once you've booked your flight from Rio de Janeiro to Buenos Aires, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Buenos Aires:

  • Teatro Colón and El Ateneo Grand Splendid are just the start of the top-rated attractions to add to your Buenos Aires itinerary. Keep the adventure rolling by checking out Recoleta Cemetery.

Explore more of Argentina

  • Buenos Aires has its own special appeal, but there are so many other corners of Argentina you'll want to see. Around 274 kilometres northwest of Buenos Aires, a trip to Rosario will keep your itinerary busy. Start with leading sights like Casa Natal Che Guevara, Monumento al Che Guevara and Museo de la Memoria.

  • La Plata is another sought-after destination in Argentina and is around 56 kilometres southeast of Buenos Aires. No journey is complete without seeing Museum of Contemporary Latin American Art, Teatro Argentino and Catedral de La Plata.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.