Find flights
Deals
When to book
FAQs

Cheap flights from Rio de Janeiro, Brazil to Buenos Aires from £52

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — BUE
4 1月 — 11 1月1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Rio de Janeiro to Buenos Aires are usually found in June or August, booked 62 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Rio de Janeiro to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest flights from Rio de Janeiro to Buenos Aires
Explore the most affordable flight options available from Rio de Janeiro to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 12月 2025.

週三 3/1208:25GIG - EZE
Nonstop3h 20mBritish Airways
週六 6/1213:35EZE - GIG
Nonstop2h 55mBritish Airways
Deal found 2/12£149
週日 14/1208:25GIG - EZE
Nonstop3h 20mBritish Airways
週五 19/1213:35EZE - GIG
Nonstop2h 55mBritish Airways
Deal found 3/12£151
週六 6/1208:25GIG - EZE
Nonstop3h 20mBritish Airways
週三 10/1213:35EZE - GIG
Nonstop2h 55mBritish Airways
Deal found 3/12£154
週六 13/1208:25GIG - EZE
Nonstop3h 20mBritish Airways
週六 20/1213:35EZE - GIG
Nonstop2h 55mBritish Airways
Deal found 3/12£155
週六 13/1208:05GIG - AEP
Nonstop3h 25mJetSMART
週三 17/1215:55AEP - GIG
Nonstop2h 55mJetSMART
Deal found 2/12£166
週五 5/1208:25GIG - EZE
Nonstop3h 20mBritish Airways
週三 10/1213:35EZE - GIG
Nonstop2h 55mBritish Airways
Deal found 4/12£168
週四 4/1208:25GIG - EZE
Nonstop3h 20mBritish Airways
週一 8/1213:35EZE - GIG
Nonstop2h 55mBritish Airways
Deal found 3/12£169
週三 10/1208:05GIG - AEP
Nonstop3h 25mJetSMART
週二 16/1204:15AEP - GIG
Nonstop2h 55mJetSMART
Deal found 2/12£175
週二 9/1208:25GIG - EZE
Nonstop3h 20mBritish Airways
週四 18/1213:35EZE - GIG
Nonstop2h 55mBritish Airways
Deal found 3/12£175
週六 6/1208:05GIG - AEP
Nonstop3h 25mJetSMART
週四 11/1215:55AEP - GIG
Nonstop2h 55mJetSMART
Deal found 3/12£187
週一 22/1208:05GIG - AEP
Nonstop3h 25mJetSMART
週五 9/115:25AEP - GIG
Nonstop2h 55mJetSMART
Deal found 3/12£190
週一 15/1210:15GIG - EZE
Nonstop3h 24mJetSMART
週四 18/1212:54EZE - GIG
Nonstop2h 56mJetSMART
Deal found 2/12£190

Find flight deals from Rio de Janeiro to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Rio de Janeiro (RIO) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 12月 2025.

Round-trip from

£166

One-way from

£52

Popular in

November

Cheapest in

June

Average price

£245

Good one-way deal

£106 or less
JetSMART
  • JetSMART
  • 30/4-3/5
  • Nonstop
  • 6h 24m total
  • Rio de Janeiro to Buenos Aires
Search Deals
Flybondi
  • Flybondi
  • 5/1
  • Nonstop
  • 3h 25m total
  • Rio de Janeiro to Buenos Aires
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from Rio de Janeiro (RIO) to Buenos Aires (BUE).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Rio de Janeiro to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 12月 2025.
Use the filters below to find and compare flights from Rio de Janeiro to Buenos Aires that are best for you.

Fly from

Rio de Janeiro

Fly to

Buenos Aires

Route

Depart

Return

Price

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

週六 2/5

20:05-23:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

週六 9/5

04:15-07:20

Nonstop3h 05m

£184

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

週一 25/5

08:10-11:30

Nonstop3h 20m

Buenos Aires Jorge Newbery

週五 29/5

15:56-19:00

Nonstop3h 04m

£184

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

週五 8/5

08:10-11:30

Nonstop3h 20m

Buenos Aires Jorge Newbery

週五 15/5

04:15-07:20

Nonstop3h 05m

£184

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

週二 21/4

20:05-23:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

週五 24/4

15:56-19:00

Nonstop3h 04m

£184

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

週三 6/5

08:10-11:30

Nonstop3h 20m

Buenos Aires Jorge Newbery

週四 4/6

15:56-19:00

Nonstop3h 04m

£185

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

週三 13/5

20:05-23:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

週二 19/5

04:15-07:20

Nonstop3h 05m

£185

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

週二 12/5

08:10-11:30

Nonstop3h 20m

Buenos Aires Jorge Newbery

週一 25/5

15:25-18:21

Nonstop2h 56m

£185

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

週二 17/3

08:05-11:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

週一 23/3

15:55-18:50

Nonstop2h 55m

£187

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

週四 19/3

20:05-23:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

週一 23/3

15:55-18:50

Nonstop2h 55m

£187

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

週五 1/5

11:45-15:09

Nonstop3h 24m

Buenos Aires Jorge Newbery

週日 10/5

06:00-11:00

1 stop5h 00m

£190

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Rio de Janeiro to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Rio de Janeiro with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rio de Janeiro to Buenos Aires

How far ahead should I book a flight from Rio de Janeiro to Buenos Aires?

Use this chart to determine the optimal time to book a return flight from Rio de Janeiro to Buenos Aires. Price data was last updated on 28 November 2025.

The price you pay for your flight from Rio de Janeiro to Buenos Aires may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Rio de Janeiro to Buenos Aires?

Currently, August is the cheapest month in which you can book a flight from Rio de Janeiro to Buenos Aires (average of £65). Flying from Rio de Janeiro to Buenos Aires in January is currently the most expensive (average of £187). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RIO to BUE?

Find hourly flight availability from Rio de Janeiro to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 12月 2025.

It’s typically best to fly out from Rio de Janeiro to Buenos Aires in the morning. Doing so could potentially save you 50% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Rio de Janeiro to Buenos Aires

Explore weekly flight availability from Rio de Janeiro to Buenos Aires. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 5 12月 2025.

The most flights from RIO to BUE are scheduled on a Thursday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

How much does it cost for a return flight from Rio de Janeiro to Buenos Aires?

How often are flights from Rio de Janeiro to Buenos Aires delayed?

About 14% of weekly flights between Rio de Janeiro and Buenos Aires have experienced delays in the past year, with the average delay time being 128 minutes.

What is the most punctual flight time for Rio de Janeiro to Buenos Aires flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Rio de Janeiro to Buenos Aires flights?

Over the past year, GOL have had the lowest number of delays on this route, with just 6% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Rio de Janeiro to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from Rio de Janeiro to Buenos Aires will take you 3h 20m. Rio de Janeiro and Buenos Aires are separated by a distance of 1241 mi. Generally, flights for this route are direct.

  • What are the most popular routes from Rio de Janeiro to Buenos Aires?

    Most travelers choose Rio de Janeiro–Galeão Intl - Buenos Aires Ministro Pistarini, Rio de Janeiro–Galeão Intl - Buenos Aires Jorge Newbery or Rio de Janeiro Santos Dumont - Buenos Aires Ministro Pistarini when deciding on the best route from Rio de Janeiro to Buenos Aires.

  • What are the most reliable airlines from Rio de Janeiro to Buenos Aires?

    Consider KLM (97%), Aerolineas Argentinas (97%) or GOL (97%) when booking your flight. These represent the most reliable airlines when flying from Rio de Janeiro to Buenos Aires.

  • What are the cheapest flights from Rio de Janeiro to Buenos Aires?

    Looking for the cheapest flight from Rio de Janeiro to Buenos Aires? While on average our users pay £116, our data indicates the cheapest price to be £87. The most popular route (Rio de Janeiro–Galeão Intl - Buenos Aires Ministro Pistarini), is priced around £272.

  • Can I find deals for flights from Rio de Janeiro to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Rio de Janeiro to Buenos Aires flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Rio de Janeiro to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rio de Janeiro to Buenos Aires.

  • Can I find deals for business class flights from Rio de Janeiro to Buenos Aires?

    Yes. Cheapflights offers flight deals from Rio de Janeiro to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rio de Janeiro to Buenos Aires?

    Currently, August is the cheapest month in which you can book a flight from Rio de Janeiro to Buenos Aires (average of £65). Flying from Rio de Janeiro to Buenos Aires in January is currently the most expensive (average of £187). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rio de Janeiro to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Rio de Janeiro–Galeão Intl to Ministro Pistarini flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Rio de Janeiro to Buenos Aires?

Cheapflights makes it easy to find Rio de Janeiro to Buenos Aires flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Rio de Janeiro to Buenos Aires?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Rio de Janeiro to Buenos Aires.

Can Cheapflights find flights from Rio de Janeiro to Buenos Aires with no change fees?

Yes, we can. To see specific flights from Rio de Janeiro to Buenos Aires with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Rio de Janeiro to Buenos Aires become cheaper?

Yes! Start tracking prices for Rio de Janeiro to Buenos Aires flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.