Cheap flights from Rio de Janeiro–Galeão Intl Airport to Buenos Aires from $83

The cheapest month to fly to Buenos Aires from Rio de Janeiro–Galeão Intl Airport is in May. Flight prices, which tend to average around $246, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from Rio de Janeiro–Galeão Intl Airport during December instead. Flights to Buenos Aires in December, while not as cheap as those in May, still average around $255.

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 $264. 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 $362.

Our most recent data shows that the best time of day to fly to Buenos Aires is in the evening. Flights from Rio de Janeiro–Galeão Intl Airport to Buenos Aires during this time can be as low as $224. Try not to purchase tickets at noon because they tend to be around $321. 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 $293 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 $225 on momondo.

There are 3 cabin classes available to choose from on Rio de Janeiro–Galeão Intl to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

JetSMART and Flybondi are the most popular carriers operating from Rio de Janeiro–Galeão Intl to Buenos Aires

Flybondi, Aerolineas Argentinas and GOL are the top three most popular airlines that fly to Buenos Aires from Rio de Janeiro–Galeão Intl Airport according to our data. Flybondi is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 3 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

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 134 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.

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

According to our data, GOL 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 23 per day as of February 2026. The most frequent departure time is 8:00AM, with 38% of daily flights leaving at noon.

As of February 2026, 162 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 Thu, with 27% of weekly flights taking off on this day.