Cheap flights from Rio de Janeiro to Buenos Aires
Cheap return flights from Rio de Janeiro to Buenos Aires
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Buenos Aires flight facts
What you need to know
What are the cheapest airlines?
- Gol Linhas Aéreas
- LATAM Airlines
- Avianca
These airlines usually offer the cheapest flights from Rio de Janeiro to Buenos Aires.
What airlines fly indirectly?
- American Airlines
- Air Canada
- Copa Airlines
These airlines fly from Rio de Janeiro to Buenos Aires, but you’ll have at least one layover.
How long is the flight?
3 hours
This is the shortest flight time from Rio de Janeiro to Buenos Aires.
Alternative flights from the UK to Buenos Aires
Check out prices for other routes
Alternative flights from Rio de Janeiro
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Rio de Janeiro/Buenos Aires route. There are around 35 flights on any given week from the UK to Buenos Aires and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Rio de Janeiro to Buenos Aires
Tips and advice from our flight experts
You've searched for flights from Rio de Janeiro to Buenos Aires. We've found 25 flights and compared them to give you the best offer. LATAM Airlines is the average cheapest airline for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for £72 from Rio de Janeiro to Buenos Aires on 17/04/2026 at 11:15.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 15 airlines that operate the 2,000 km flight from Rio de Janeiro to Buenos Aires.
To find the best offers, book at least 2-3 months in advance or look for last-minute deals. Consider flying with Gol Linhas Aéreas, which often has competitive prices. The average flight duration is around 3 hours. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to save time and money!
Other popular destinations near Buenos Aires
Where other people are flying to
