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Cheap flights from Rio de Janeiro, Brazil to Buenos Aires from £56

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — BUE
9 Jul — 16 Jul1
1 adult

Cheapflights Tip: The best prices from Rio de Janeiro to Buenos Aires are usually found in June or May, booked 90 days in advance, depart on a Saturday or Tuesday 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 4 July 2025.

Round-trip from

£160

One-way from

£56

Popular in

November

Cheapest in

June

Average price

£255

Good one-way deal

£69 or less
JetSMART
  • JetSMART
  • 5/9-9/9
  • Nonstop
  • 6h 30m total
  • Rio de Janeiro to Buenos Aires
GOL
  • GOL
  • 23/10
  • Nonstop
  • 3h 30m total
  • Rio de Janeiro to Buenos Aires
Highest demand for flights based on searches. 8% potential increase in price (£16 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a one-way flight from Rio de Janeiro (RIO) to Buenos Aires (BUE).

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 4 July 2025.

Fri 5/920:10GIG - AEP
Nonstop3h 25mJetSMART
Tue 9/904:15AEP - GIG
Nonstop3h 05mJetSMART
Deal found 2/7£160
Sat 16/810:15GIG - EZE
Nonstop3h 21mJetSMART
Sat 23/817:36EZE - GIG
Nonstop3h 04mJetSMART
Deal found 2/7£163
Thu 28/810:50GIG - AEP
Nonstop3h 30mGOL
Sat 30/800:15AEP - GIG
Nonstop2h 55mGOL
Deal found 3/7£167
Fri 24/1007:55GIG - EZE
Nonstop3h 30mGOL
Mon 27/1019:40EZE - GIG
Nonstop2h 55mGOL
Deal found 3/7£167
Sat 16/808:10GIG - AEP
Nonstop3h 20mMultiple Airlines
Sat 23/814:30AEP - GIG
Nonstop2h 55mMultiple Airlines
Deal found 2/7£168
Fri 15/803:05GIG - AEP
Nonstop3h 25mAerolineas Argentinas
Sat 23/806:00AEP - GIG
Nonstop2h 55mAerolineas Argentinas
Deal found 2/7£196
Fri 31/1006:00SDU - EZE
1 stop6h 20mGOL
Sun 2/1103:15EZE - SDU
1 stop10h 50mGOL
Deal found 2/7£312
Sat 16/811:25SDU - EZE
1 stop9h 00mMultiple Airlines
Sat 23/804:55EZE - SDU
1 stop9h 25mMultiple Airlines
Deal found 2/7£369

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 4 July 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

Fri 5/9

20:10-23:35

Nonstop3h 25m

Buenos Aires Jorge Newbery

Tue 9/9

04:15-07:20

Nonstop3h 05m

£160

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Sat 16/8

10:15-13:36

Nonstop3h 21m

Buenos Aires Ministro Pistarini

Sat 23/8

17:36-20:40

Nonstop3h 04m

£163

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Thu 28/8

10:50-14:20

Nonstop3h 30m

Buenos Aires Jorge Newbery

Sat 30/8

00:15-03:10

Nonstop2h 55m

£167

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Fri 24/10

07:55-11:25

Nonstop3h 30m

Buenos Aires Ministro Pistarini

Thu 30/10

19:40-22:35

Nonstop2h 55m

£167

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Sat 16/8

08:10-11:30

Nonstop3h 20m

Buenos Aires Jorge Newbery

Sat 23/8

14:30-17:25

Nonstop2h 55m

£168

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Fri 15/8

03:05-06:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

Sat 23/8

06:00-08:55

Nonstop2h 55m

£196

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Fri 19/9

17:20-20:45

Nonstop3h 25m

Buenos Aires Ministro Pistarini

Mon 22/9

22:15-01:00

Nonstop2h 45m

£260

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Fri 31/10

06:00-12:20

1 stop6h 20m

Buenos Aires Ministro Pistarini

Sun 2/11

03:15-14:05

1 stop10h 50m

£312

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Sat 16/8

11:25-20:25

1 stop9h 00m

Buenos Aires Ministro Pistarini

Sat 23/8

04:55-14:20

1 stop9h 25m

£369

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Thu 23/10

10:50-14:20

Nonstop3h 30m

£56

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 24 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 27 June 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 90 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 4 July 2025.

It’s typically best to fly out from Rio de Janeiro to Buenos Aires at midday. Doing so could potentially save you 14% 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 4 July 2025.

The most flights from RIO to BUE are scheduled on a Friday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 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 4 July 2025.
Check out reviews from past customers who have flown with Aerolineas Argentinas, Emirates, andLATAM Airlines 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.

Entertainment

5.7

Overall

8.1

Comfort

7.5

Crew

8.3

Boarding

8.0

Food

6.4

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Entertainment

5.7

Overall

8.1

Comfort

7.5

Crew

8.3

Boarding

8.0

Food

6.4

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Entertainment

5.7

Overall

8.1

Comfort

7.5

Crew

8.3

Boarding

8.0

Food

6.4

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Entertainment

5.7

Overall

8.1

Comfort

7.5

Crew

8.3

Boarding

8.0

Food

6.4

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Entertainment

5.7

Overall

8.1

Comfort

7.5

Crew

8.3

Boarding

8.0

Food

6.4

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Entertainment

5.7

Overall

8.1

Comfort

7.5

Crew

8.3

Boarding

8.0

Food

6.4

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

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.
  • What are the cheapest airlines flying from Rio de Janeiro to Buenos Aires round-trip?

    Flying on JetSMART is currently your cheapest option to Buenos Aires, with prices starting at £160. Additional return tickets that might be worth considering are offered by GOL and Aerolineas Argentinas, with the lowest prices starting at £167 and £196, respectively. You may be able to fly from Rio de Janeiro to Buenos Aires for 35% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Rio de Janeiro to Buenos Aires one-way?

    The cheapest airline one-way is GOL, with whom users have recently found tickets for as low as £56. However, be on the lookout for offers from JetSMART and LATAM Airlines, as they are both options that can get you from Rio de Janeiro to Buenos Aires for a low price.

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

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

    Consider JetSMART (93%), JetSMART (93%) or GOL (89%) 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 £221, our data indicates the cheapest price to be £94. The most popular route (Rio de Janeiro–Galeão Intl - Buenos Aires Jorge Newbery), is priced around £199.

  • 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

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Alternative routes for Rio de Janeiro to Buenos Aires

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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.

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