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Cheap flights from Rio de Janeiro, Brazil to Buenos Aires from £60

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
7 Dec — 14 Dec1
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 80 days in advance, depart on a Friday or Tuesday and return on a Sunday

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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 7 November 2025.

Thu 27/1108:05GIG - AEP
Nonstop3h 25mJetSMART
Wed 10/1204:15AEP - GIG
Nonstop2h 55mJetSMART
Deal found 6/11£173
Thu 27/1113:50GIG - EZE
Nonstop3h 24mJetSMART
Thu 11/1212:54EZE - GIG
Nonstop2h 56mJetSMART
Deal found 6/11£173
Fri 19/1210:15GIG - EZE
Nonstop3h 24mJetSMART
Mon 12/119:15EZE - GIG
Nonstop2h 55mJetSMART
Deal found 7/11£173
Sat 29/1108:05GIG - AEP
Nonstop3h 25mJetSMART
Wed 3/1216:45AEP - GIG
1 stop20h 05mJetSMART
Deal found 6/11£174
Wed 19/1108:05GIG - AEP
Nonstop3h 25mJetSMART
Sun 7/1215:55AEP - GIG
Nonstop2h 55mJetSMART
Deal found 5/11£178
Wed 19/1110:15GIG - EZE
Nonstop3h 24mJetSMART
Sun 23/1112:54EZE - GIG
Nonstop2h 56mJetSMART
Deal found 5/11£178
Tue 18/1108:05GIG - AEP
Nonstop3h 25mJetSMART
Fri 28/1116:15AEP - GIG
Nonstop2h 55mJetSMART
Deal found 6/11£179
Mon 17/1110:15GIG - EZE
Nonstop3h 24mJetSMART
Tue 2/1212:54EZE - GIG
Nonstop2h 56mJetSMART
Deal found 6/11£179
Wed 19/1108:05GIG - AEP
Nonstop3h 25mJetSMART
Tue 25/1116:15AEP - GIG
Nonstop2h 55mJetSMART
Deal found 7/11£179
Mon 22/1210:15GIG - EZE
Nonstop3h 24mJetSMART
Sat 10/119:15EZE - GIG
Nonstop2h 55mJetSMART
Deal found 5/11£181
Tue 23/1208:05GIG - AEP
Nonstop3h 25mJetSMART
Fri 2/107:00AEP - GIG
1 stop5h 50mJetSMART
Deal found 7/11£182
Sat 29/1116:45GIG - AEP
1 stop8h 27mJetSMART
Sun 30/1104:15AEP - GIG
Nonstop2h 55mJetSMART
Deal found 6/11£183

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 7 November 2025.

Round-trip from

£169

One-way from

£60

Popular in

November

Cheapest in

June

Average price

£387

Good one-way deal

£58 or less
JetSMART
  • JetSMART
  • 16/3-22/3
  • Nonstop
  • 6h 20m total
  • Rio de Janeiro to Buenos Aires
Search Deals
JetSMART
  • JetSMART
  • 5/1
  • Nonstop
  • 3h 25m total
  • Rio de Janeiro to Buenos Aires
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 7 November 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

Tue 17/3

20:05-23:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

Tue 31/3

15:55-18:50

Nonstop2h 55m

£170

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Thu 27/11

13:50-17:14

Nonstop3h 24m

Buenos Aires Ministro Pistarini

Thu 11/12

12:54-15:50

Nonstop2h 56m

£173

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Mon 5/1

08:05-11:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

Mon 19/1

15:55-18:50

Nonstop2h 55m

£178

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Wed 3/12

20:05-23:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

Fri 12/12

04:15-07:10

Nonstop2h 55m

£179

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Wed 17/12

08:05-11:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

Sun 21/12

04:15-07:10

Nonstop2h 55m

£179

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Mon 29/12

10:15-13:39

Nonstop3h 24m

Buenos Aires Ministro Pistarini

Sat 3/1

19:15-22:10

Nonstop2h 55m

£179

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Fri 26/12

10:15-13:39

Nonstop3h 24m

Buenos Aires Ministro Pistarini

Thu 8/1

06:30-09:25

Nonstop2h 55m

£179

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Sat 6/12

20:05-23:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

Thu 11/12

15:55-18:50

Nonstop2h 55m

£179

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Fri 20/3

08:05-11:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

Tue 24/3

11:03-12:50

1 stop25h 47m

£182

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Mon 19/1

23:00-02:24

Nonstop3h 24m

Buenos Aires Ministro Pistarini

Mon 26/1

19:15-22:10

Nonstop2h 55m

£185

Flights are sorted by cheapest return flights first.

Deals found on 7/11

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 31 October 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, August is the cheapest month in which you can book a flight from Rio de Janeiro to Buenos Aires (average of £66). Flying from Rio de Janeiro to Buenos Aires in January is currently the most expensive (average of £186). 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 7 November 2025.

It’s typically best to fly out from Rio de Janeiro to Buenos Aires at midday. Doing so could potentially save you 45% 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 7 November 2025.

The most flights from RIO to BUE are scheduled on a Wednesday (32 on average). You will have fewer flight options on Sunday, 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?

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 7 November 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
8.0
Very Good
960 reviews
Check prices

Boarding

8.0

Food

6.5

Crew

8.3

Comfort

7.6

Overall

8.0

Entertainment

5.7

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
8.0
Very Good
960 reviews
Aerolineas Argentinas
8.0
Very Good
960 reviews
Check prices

Boarding

8.0

Food

6.5

Crew

8.3

Comfort

7.6

Overall

8.0

Entertainment

5.7

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 25m. Rio de Janeiro and Buenos Aires are separated by a distance of 1224 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 (95%), Aerolineas Argentinas (95%) or GOL (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 £103, our data indicates the cheapest price to be £58. The most popular route (Rio de Janeiro–Galeão Intl - Buenos Aires Ministro Pistarini), is priced around £267.

  • 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 £66). Flying from Rio de Janeiro to Buenos Aires in January is currently the most expensive (average of £186). 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

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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

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