Cheapest one-way tickets
Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.
Round trips
The cheapest return tickets found recently, price for the whole trip.
Plan the rest of the trip
Price calendar
The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.
October 2026
November 2026
Lowest fares by month
In the fares found this week, November has the lowest: from $91 one-way, against $199 in October. Pick a month to see its cheapest date.
- Oct$199
- Nov$91
- Dec$91
- Jan$137
- Feb$127
- Mar$109
- Apr$122
- Mayno fares yet
- Junno fares yet
- Jul$127
- Aug$127
- Sepno fares yet
Show as a table
| Month | Cheapest one-way | Date | Stops |
|---|---|---|---|
| October | $199 | Tue, Oct 27 | Nonstop |
| November | $91 | Thu, Nov 5 | Nonstop |
| December | $91 | Thu, Dec 10 | Nonstop |
| January 2027 | $137 | Fri, Jan 1 | Nonstop |
| February 2027 | $127 | Wed, Feb 17 | Nonstop |
| March 2027 | $109 | Thu, Mar 18 | Nonstop |
| April 2027 | $122 | Thu, Apr 22 | Nonstop |
| May 2027 | — | ||
| June 2027 | — | ||
| July 2027 | $127 | Sun, Jul 11 | Nonstop |
| August 2027 | $127 | Sat, Aug 7 | Nonstop |
| September 2027 | — |
Fares and weather by month
The lowest one-way fare found for each month, next to the weather in Buenos Aires. Average daily high and low and monthly precipitation, 1991–2020 normals.
| Oct2026 | Nov | Dec | Jan2027 | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lowest fare | $199 | $91 | $91 | $137 | $127 | $109 | $122 | – | – | $127 | $127 | – |
| High °C | 23° | 26° | 29° | 30° | 29° | 27° | 23° | 19° | 16° | 16° | 18° | 20° |
| Low °C | 13° | 16° | 19° | 20° | 19° | 18° | 14° | 11° | 8° | 8° | 9° | 11° |
| Precipitation mm | 123 | 118 | 123 | 134 | 129 | 120 | 130 | 94 | 62 | 74 | 70 | 81 |
Source: Buenos Aires on Wikipedia, CC BY-SA 4.0.
Questions travellers ask
What is the cheapest month to fly from Rio de Janeiro to Buenos Aires?
In the fares found this week, November has the lowest: from $91 one-way, against $199 in October.
What is the weather in Buenos Aires in November?
In November, the cheapest month to fly, the average daily high in Buenos Aires is 26 °C and the low 16 °C.
Are there direct flights from Rio de Janeiro to Buenos Aires?
Yes. Recent fares include nonstop flights with JetSmart, Gol Transportes Aéreos, Aerolineas Argentinas and LATAM Airlines Group.
How long is the flight from Rio de Janeiro to Buenos Aires?
A nonstop flight takes about 3h 20m. The distance is 1,240 mi.
Which day of the week is cheapest to fly?
In the fares we have, Thursday departures are the cheapest, with a typical lowest fare of $111. Sunday is the priciest at about $192.
More cheap flights from Rio de Janeiro
All 221 destinations- Sao PauloSAO Brazil from $55 Sat, Mar 27, nonstop
- CuritibaCWB Brazil from $60 Sun, Feb 7, nonstop
- MontevideoMVD Uruguay from $69 Wed, Dec 9, nonstop
- FlorianopolisFLN Brazil from $72 Fri, Jan 1, nonstop
- Belo HorizonteBHZ Brazil from $77 Tue, Nov 17, nonstop
- Foz do IguaçuIGU Brazil from $92 Sat, Jan 16, nonstop
- São LuisSLZ Brazil from $94 Sat, Dec 12, 1 stop
- SalvadorSSA Brazil from $105 Thu, Dec 3, 1 stop
- AsuncionASU Paraguay from $117 Sun, Nov 1, nonstop
- Joao PessoaJPA Brazil from $118 Mon, Nov 30, 2 stops
- RecifeREC Brazil from $123 Sun, Sep 19, 1 stop
- NatalNAT Brazil from $126 Fri, Nov 20, 1 stop