Cheap flights from Rio de Janeiro–Galeão Intl Airport to Buenos Aires from $82

The cheapest month to fly to Buenos Aires from Rio de Janeiro–Galeão Intl Airport is in June. Flight prices, which tend to average around $235, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Buenos Aires from Rio de Janeiro–Galeão Intl Airport during May instead. Flights to Buenos Aires in May, while not as cheap as those in June, still average around $251.

On average, the least expensive day to fly to Buenos Aires from Rio de Janeiro–Galeão Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $260. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Sunday is $370.

Our most recent data shows that the best time of day to fly to Buenos Aires is in the afternoon. Flights from Rio de Janeiro–Galeão Intl Airport to Buenos Aires during this time can be as low as $242. Try not to purchase tickets at noon because they tend to be around $416. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Rio de Janeiro–Galeão Intl to Buenos Aires Ministro Pistarini for the best Rio de Janeiro–Galeão Intl - Buenos Aires flight prices

You are more likely to see cheaper flights to Buenos Aires from Rio de Janeiro–Galeão Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $297 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Rio de Janeiro–Galeão Intl Airport for as low as $266 on momondo.

There are 4 cabin classes available to choose from on Rio de Janeiro–Galeão Intl Airport to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 14% of flights between Rio de Janeiro and Buenos Aires have experienced a delay on any given week. The average delay length over the past 12 months has been 130 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

The number of flights available between Rio de Janeiro–Galeão Intl Airport and Buenos Aires is 25 per day as of August 2026. The most frequent departure time is 9:00AM, with 53% of daily flights leaving at noon.

As of August 2026, 179 flights take off from Rio de Janeiro–Galeão Intl Airport and land in Buenos Aires each week. The most common flight departure day for this route is Sat, with 19% of weekly flights taking off on this day.