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Cheap flights from Rio de Janeiro, Brazil to Buenos Aires from £58

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — BUE
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Rio de Janeiro to Buenos Aires are usually found in June or May, booked 80 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

Cheap 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 12 September 2025.

Round-trip from

£168

One-way from

£58

Popular in

November

Cheapest in

June

Average price

£221

Good one-way deal

£56 or less
GOL
  • GOL
  • 23/10-28/10
  • Nonstop
  • 6h 30m total
  • Rio de Janeiro to Buenos Aires
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GOL
  • GOL
  • 6/10
  • Nonstop
  • 3h 30m total
  • Rio de Janeiro to Buenos Aires
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£22 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Rio de Janeiro (RIO) to Buenos Aires (BUE).
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Find flight deals from Rio de Janeiro to Buenos Aires

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 12 September 2025.

Thu 23/1007:55GIG - EZE
Nonstop3h 30mGOL
Tue 28/1018:15EZE - GIG
Nonstop3h 00mGOL
Deal found 10/9£168
Sun 26/1010:05GIG - AEP
Nonstop3h 25mFlybondi
Sun 2/1114:30AEP - GIG
Nonstop2h 55mFlybondi
Deal found 11/9£183
Sun 26/1018:15GIG - EZE
Nonstop3h 25mFlybondi
Sun 2/1105:20EZE - GIG
Nonstop2h 55mFlybondi
Deal found 11/9£195
Thu 27/1108:05GIG - AEP
Nonstop3h 24mJetSMART
Thu 27/1116:20AEP - GIG
Nonstop2h 55mJetSMART
Deal found 11/9£197
Sun 26/1023:55GIG - AEP
1 stop10h 35mMultiple Airlines
Sun 2/1114:30AEP - GIG
Nonstop2h 55mMultiple Airlines
Deal found 11/9£202
Fri 14/1113:50GIG - EZE
Nonstop3h 30mGOL
Fri 28/1118:15EZE - GIG
Nonstop3h 00mGOL
Deal found 10/9£202
Mon 27/1013:50GIG - EZE
Nonstop3h 30mGOL
Sun 2/1118:15EZE - GIG
Nonstop2h 50mGOL
Deal found 9/9£202
Sun 26/1012:00GIG - EZE
2 stops24h 50mMultiple Airlines
Sun 2/1105:20EZE - GIG
Nonstop2h 55mMultiple Airlines
Deal found 11/9£209
Mon 17/1106:00GIG - AEP
Nonstop3h 20mGOL
Tue 25/1114:00AEP - GIG
Nonstop2h 55mGOL
Deal found 9/9£213
Wed 1/1007:55GIG - EZE
Nonstop3h 30mGOL
Sat 11/1013:55EZE - GIG
Nonstop2h 55mGOL
Deal found 12/9£213
Sat 29/1106:00GIG - AEP
Nonstop3h 20mGOL
Wed 3/1214:00AEP - GIG
Nonstop2h 55mGOL
Deal found 11/9£213
Thu 27/1105:15GIG - AEP
1 stop8h 45mLATAM Airlines
Thu 27/1122:30AEP - GIG
1 stop13h 05mLATAM Airlines
Deal found 11/9£214

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 12 September 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

Mon 3/11

06:00-09:20

Nonstop3h 20m

Buenos Aires Jorge Newbery

Fri 7/11

14:00-16:55

Nonstop2h 55m

£202

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Mon 27/10

13:50-17:20

Nonstop3h 30m

Buenos Aires Ministro Pistarini

Sun 2/11

18:15-21:05

Nonstop2h 50m

£202

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Wed 26/11

06:00-09:20

Nonstop3h 20m

Buenos Aires Jorge Newbery

Wed 17/12

10:30-13:25

Nonstop2h 55m

£213

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Wed 1/10

07:55-11:25

Nonstop3h 30m

Buenos Aires Ministro Pistarini

Sat 11/10

13:55-16:50

Nonstop2h 55m

£213

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Sat 29/11

06:00-09:20

Nonstop3h 20m

Buenos Aires Jorge Newbery

Wed 3/12

14:00-16:55

Nonstop2h 55m

£213

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Wed 19/11

13:50-17:20

Nonstop3h 30m

Buenos Aires Ministro Pistarini

Tue 25/11

18:15-21:15

Nonstop3h 00m

£216

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Fri 14/11

06:00-09:20

Nonstop3h 20m

Buenos Aires Jorge Newbery

Mon 17/11

14:00-16:55

Nonstop2h 55m

£224

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Wed 26/11

13:50-17:20

Nonstop3h 30m

Buenos Aires Ministro Pistarini

Wed 17/12

18:15-21:15

Nonstop3h 00m

£224

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Mon 10/11

06:00-09:20

Nonstop3h 20m

Buenos Aires Jorge Newbery

Mon 17/11

14:00-16:55

Nonstop2h 55m

£246

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Wed 12/11

06:00-09:20

Nonstop3h 20m

Buenos Aires Jorge Newbery

Sat 15/11

03:15-22:40

1 stop19h 25m

£257

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 60 results
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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 29 August 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 80 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, May is the cheapest month in which you can book a flight from Rio de Janeiro to Buenos Aires (average of £1,012). Flying from Rio de Janeiro to Buenos Aires in December is currently the most expensive (average of £1,250). 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 12 September 2025.

It’s typically best to fly out from Rio de Janeiro to Buenos Aires in the morning. Doing so could potentially save you 26% 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 12 September 2025.

The most flights from RIO to BUE are scheduled on a Wednesday (36 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated 12 September 2025.
Check out reviews from past customers who have flown with Aerolineas Argentinas from Rio de Janeiro to Buenos Aires to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aerolineas Argentinas
8.1
Very Good
931 reviews
Check prices

Boarding

8.0

Entertainment

5.7

Comfort

7.5

Food

6.5

Crew

8.3

Overall

8.1

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500
Aerolineas Argentinas
8.1
Very Good
931 reviews
Aerolineas Argentinas
8.1
Very Good
931 reviews
Check prices

Boarding

8.0

Entertainment

5.7

Comfort

7.5

Food

6.5

Crew

8.3

Overall

8.1

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500

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 1224 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 Santos Dumont - Buenos Aires Ministro Pistarini, Rio de Janeiro–Galeão Intl - Buenos Aires Ministro Pistarini or Rio de Janeiro–Galeão Intl - Buenos Aires Jorge Newbery 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 Finnair (95%), Iberia (95%) or British Airways (95%) 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 £156, our data indicates the cheapest price to be £67. The most popular route (Rio de Janeiro Santos Dumont - Buenos Aires Ministro Pistarini), is priced around £280.

  • 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, May is the cheapest month in which you can book a flight from Rio de Janeiro to Buenos Aires (average of £1,012). Flying from Rio de Janeiro to Buenos Aires in December is currently the most expensive (average of £1,250). 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

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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

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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.

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