Aerolineas ArgentinasDepart22:50
Thu, Dec 31AEP → RGA
3h 30m · Direct
$95one way, per person
View deal
- Cheapest fare
- $95
- Cheapest month
- December
- Direct flights
- Yes
- Flight time
- 3h 30m
Aerolineas Argentinas · Thu, Dec 31
from $95
Aerolineas Argentinas
2,250 km
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Cheapest month to fly from Buenos Aires to Rio Grande
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
Aerolineas ArgentinasAerolineas ArgentinasDepart22:50
Wed, Dec 30AEP → RGA
3h 30m · Direct
$178one way, per person
View deal
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About flights from Buenos Aires to Rio Grande
Buenos Aires (BUE) and Rio Grande (RGA) are about 2,250 km apart. Direct flights take around 3h 30m, and recent direct fares were with Aerolineas Argentinas. Over the next few months, one-way fares start from $95, 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 Buenos Aires to Rio Grande?
The cheapest one-way fare we've seen recently is $95 with Aerolineas Argentinas, departing Thursday, December 31, 2026. Over the coming months, the lowest fare in each month ranges from $95 to $122.
What is the cheapest month to fly from Buenos Aires to Rio Grande?
December 2026 currently has the lowest fares, from $95 one way.
Are there direct flights from Buenos Aires to Rio Grande?
Yes. Recent direct fares were with Aerolineas Argentinas.
How long is the flight from Buenos Aires to Rio Grande?
A direct flight takes about 3h 30m. Buenos Aires and Rio Grande are around 2,250 km apart.
Which airlines fly from Buenos Aires to Rio Grande?
Recent fares on this route were with Aerolineas Argentinas.
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