Aerolineas ArgentinasDepart03:10
Fri, Nov 13RGA → AEP
3h 20m · Direct
$164one way, per person
View deal
- Cheapest fare
- $164
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 3h 20m
Aerolineas Argentinas · Fri, Nov 13
from $164
Aerolineas Argentinas
2,250 km
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Cheapest month to fly from Rio Grande to Buenos Aires
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Rio Grande to Buenos Aires
Rio Grande (RGA) and Buenos Aires (BUE) are about 2,250 km apart. Direct flights take around 3h 20m, and recent direct fares were with Aerolineas Argentinas. Over the next few months, one-way fares start from $164, and November 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 Grande to Buenos Aires?
The cheapest one-way fare we've seen recently is $164 with Aerolineas Argentinas, departing Friday, November 13, 2026.
What is the cheapest month to fly from Rio Grande to Buenos Aires?
November 2026 currently has the lowest fares, from $164 one way.
Are there direct flights from Rio Grande to Buenos Aires?
Yes. Recent direct fares were with Aerolineas Argentinas.
How long is the flight from Rio Grande to Buenos Aires?
A direct flight takes about 3h 20m. Rio Grande and Buenos Aires are around 2,250 km apart.
Which airlines fly from Rio Grande to Buenos Aires?
Recent fares on this route were with Aerolineas Argentinas.