Cheap flights from Rio de Janeiro to Buenos Aires

One-way fares from $80 · RIO → BUE · prices found by travellers in the last 48 hours

Compare all dates Buenos Aires → Rio de Janeiro
Cheapest fare
$80

JetSmart · Tue, Dec 1

Cheapest month
December

from $80

Direct flights
Yes

JetSmart, Aerolineas Argentinas and Emirates

Flight time
3h 20m

1,970 km

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Cheapest month to fly from Rio de Janeiro to Buenos Aires

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $132
  2. December 2026 Cheapest $80
  3. January 2027 $138
  4. February 2027 $98
  5. March 2027 $89
  6. April 2027 $89
  7. May 2027 $97
  8. July 2027 $127
  9. August 2027 $143
  10. September 2027 $124
  11. October 2027 $320

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

JetSmart
Depart20:05 Tue, Dec 1GIG → AEP 3h 25m · Direct
$80one way, per person
View deal
JetSmart
Depart09:20 Wed, Dec 30GIG → EZE 3h 24m · Direct
$84one way, per person
View deal
JetSmart
Depart08:05 Sat, Dec 5GIG → AEP 3h 25m · Direct
$88one way, per person
View deal
JetSmart
Depart08:05 Mon, Dec 21GIG → AEP 3h 25m · Direct
$89one way, per person
View deal
JetSmart
Depart08:05 Sun, Dec 27GIG → AEP 3h 25m · Direct
$90one way, per person
View deal
JetSmart
Depart08:05 Sun, Dec 20GIG → AEP 3h 25m · Direct
$91one way, per person
View deal
JetSmart
Depart22:15 Mon, Dec 28GIG → EZE 3h 21m · Direct
$91one way, per person
View deal
JetSmart
Depart10:20 Thu, Dec 31GIG → EZE 3h 24m · Direct
$96one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Buenos Aires

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in Buenos AiresCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in Buenos AiresTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in Buenos AiresPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in Buenos AiresCompare rental cars from major brands on EconomyBookings Compare cars →

Stay connected

eSIM for ArgentinaMobile data from the moment you land, by Airalo Get eSIM →

About flights from Rio de Janeiro to Buenos Aires

Rio de Janeiro (RIO) and Buenos Aires (BUE) are about 1,970 km apart. Direct flights take around 3h 20m, and recent direct fares were with JetSmart, Aerolineas Argentinas and Emirates. Over the next few months, one-way fares start from $80, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Rio de Janeiro to Buenos Aires?

The cheapest one-way fare we've seen recently is $80 with JetSmart, departing Tuesday, December 1, 2026. Over the coming months, the lowest fare in each month ranges from $80 to $320.

What is the cheapest month to fly from Rio de Janeiro to Buenos Aires?

December 2026 currently has the lowest fares, from $80 one way.

Are there direct flights from Rio de Janeiro to Buenos Aires?

Yes. Recent direct fares were with JetSmart, Aerolineas Argentinas and Emirates.

How long is the flight from Rio de Janeiro to Buenos Aires?

A direct flight takes about 3h 20m. Rio de Janeiro and Buenos Aires are around 1,970 km apart.

Which airlines fly from Rio de Janeiro to Buenos Aires?

Recent fares on this route were with Gol Transportes Aéreos, JetSmart, Aerolineas Argentinas and Emirates.

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