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$130+ Cheap flights from Rio de Janeiro, Brazil (RIO) to Buenos Aires (BUE)

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — BUE
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 Friday or Wednesday and return on a Tuesday

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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(GOL)

One-way from

$130
(FlightHub)

Popular in

November

Cheapest in

June

Average price

$346

Good round-trip deal

$182 or less

Good one-way deal

$137 or less
Provider with most accurate pricing for Rio de Janeiro (RIO)-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Rio de Janeiro (RIO)-Buenos Aires (BUE) flights.
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From Rio de Janeiro (RIO) to Buenos Aires (BUE)
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One-way flight from Rio de Janeiro (RIO) to Buenos Aires (BUE)
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Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Rio de Janeiro (RIO) to Buenos Aires (BUE).
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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 March 31, 2025.

This GOL deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/210:50 amGIG - AEP
Nonstop3h 30mGOL
Mon 6/91:55 pmAEP - GIG
Nonstop2h 55mGOL
Deal found 3/31$257
This GOL deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/27:55 amGIG - EZE
Nonstop3h 30mGOL
Mon 6/912:25 pmEZE - GIG
Nonstop2h 55mGOL
Deal found 3/31$257
This Trip.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/510:10 pmGIG - AEP
Nonstop3h 30mMultiple Airlines
Sat 6/74:30 pmAEP - GIG
1 stop17h 35mMultiple Airlines
Deal found 3/29$262
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:05 amGIG - AEP
Nonstop3h 25mFlybondi
Tue 9/302:30 pmAEP - GIG
Nonstop2h 55mFlybondi
Deal found 3/31$264
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/18:50 amGIG - EZE
Nonstop3h 21mMultiple Airlines
Mon 9/296:20 amEZE - GIG
Nonstop2h 55mMultiple Airlines
Deal found 3/31$264
This Priceline deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:15 pmGIG - EZE
Nonstop3h 25mFlybondi
Thu 10/236:20 amEZE - GIG
Nonstop2h 55mFlybondi
Deal found 3/31$267
This Priceline deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:30 pmGIG - AEP
1 stop14h 50mJetSMART
Thu 10/210:45 pmAEP - GIG
1 stop10h 20mJetSMART
Deal found 3/31$269
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1810:15 amGIG - EZE
Nonstop3h 21mJetSMART
Fri 7/256:20 amEZE - GIG
Nonstop3h 05mJetSMART
Deal found 3/31$303
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/239:20 pmSDU - AEP
1 stop9h 20mMultiple Airlines
Wed 5/71:40 pmAEP - SDU
1 stop8h 35mMultiple Airlines
Deal found 3/30$339
This British Airways deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/307:15 amGIG - EZE
Nonstop3h 20mBritish Airways
Wed 5/712:15 pmEZE - GIG
Nonstop2h 50mBritish Airways
Deal found 3/31$347
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/301:05 amGIG - AEP
Nonstop3h 25mAerolineas Argentinas
Sun 12/145:10 pmAEP - GIG
Nonstop2h 55mAerolineas Argentinas
Deal found 3/30$349
This Emirates deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:40 pmGIG - EZE
Nonstop3h 25mEmirates
Wed 11/2611:00 pmEZE - GIG
Nonstop2h 45mEmirates
Deal found 3/31$354

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated March 31, 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 6/2

10:50 am-2:20 pm

Nonstop3h 30m

Buenos Aires Jorge Newbery

Mon 6/9

1:55 pm-4:50 pm

Nonstop2h 55m

$257

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Mon 6/2

7:55 am-11:25 am

Nonstop3h 30m

Buenos Aires Ministro Pistarini

Mon 6/9

12:25 pm-3:20 pm

Nonstop2h 55m

$257

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Thu 6/5

10:10 pm-1:40 am

Nonstop3h 30m

Buenos Aires Jorge Newbery

Sat 6/7

4:30 pm-10:05 am

1 stop17h 35m

$262

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Wed 9/3

10:05 am-1:30 pm

Nonstop3h 25m

Buenos Aires Jorge Newbery

Sat 10/4

2:30 pm-5:25 pm

Nonstop2h 55m

$264

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Mon 9/1

8:50 am-12:11 pm

Nonstop3h 21m

Buenos Aires Ministro Pistarini

Mon 9/29

6:20 am-9:15 am

Nonstop2h 55m

$264

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Tue 9/2

6:30 pm-9:20 am

1 stop14h 50m

Buenos Aires Jorge Newbery

Thu 10/2

10:45 pm-9:05 am

1 stop10h 20m

$269

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Tue 9/2

6:15 pm-9:40 pm

Nonstop3h 25m

Buenos Aires Ministro Pistarini

Thu 10/2

6:20 am-9:15 am

Nonstop2h 55m

$277

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Fri 7/18

10:15 am-1:36 pm

Nonstop3h 21m

Buenos Aires Ministro Pistarini

Fri 7/25

6:20 am-9:25 am

Nonstop3h 05m

$303

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Wed 4/23

9:20 pm-6:40 am

1 stop9h 20m

Buenos Aires Jorge Newbery

Wed 5/7

1:40 pm-10:15 pm

1 stop8h 35m

$339

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Wed 4/30

7:15 am-10:35 am

Nonstop3h 20m

Buenos Aires Ministro Pistarini

Wed 5/7

12:15 pm-3:05 pm

Nonstop2h 50m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 41 results
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Compare providers for flights from Rio de Janeiro to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rio de Janeiro to Buenos Aires in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rio de Janeiro-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rio de Janeiro-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rio de Janeiro-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rio de Janeiro-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rio de Janeiro-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Rio de Janeiro to Buenos Aires. Price data was last updated on March 28, 2025.

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Rio de Janeiro to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, April is the cheapest month in which you can book a flight from Rio de Janeiro to Buenos Aires (average of $795). Flying from Rio de Janeiro to Buenos Aires in December is currently the most expensive (average of $1,260). 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 March 31, 2025.

A simple way to save on the total cost of your ticket is to fly from Rio de Janeiro to Buenos Aires in the morning. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight at noon.

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 March 31, 2025.

The most flights from RIO to BUE are scheduled on a Monday (34 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 March 31, 2025.
See what other customers who have flown with Aerolineas Argentinas, Emirates and LATAM Airlines from Rio de Janeiro to Buenos Aires have to say. 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
846 reviews

Boarding

8.0

Crew

8.3

Comfort

7.5

Food

6.4

Overall

8.0

Entertainment

5.7

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.
Aerolineas Argentinas
8.0
Very good
846 reviews
Aerolineas Argentinas
8.0
Very good
846 reviews

Boarding

8.0

Crew

8.3

Comfort

7.5

Food

6.4

Overall

8.0

Entertainment

5.7

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.
Emirates
8.0
Very good
3,192 reviews
Aerolineas Argentinas
8.0
Very good
846 reviews

Boarding

8.0

Crew

8.3

Comfort

7.5

Food

6.4

Overall

8.0

Entertainment

5.7

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.
LATAM Airlines
7.5
Good
1,754 reviews
Aerolineas Argentinas
8.0
Very good
846 reviews

Boarding

8.0

Crew

8.3

Comfort

7.5

Food

6.4

Overall

8.0

Entertainment

5.7

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.
GOL
7.3
Good
1,053 reviews
Aerolineas Argentinas
8.0
Very good
846 reviews

Boarding

8.0

Crew

8.3

Comfort

7.5

Food

6.4

Overall

8.0

Entertainment

5.7

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.
Ethiopian Air
7.2
Good
764 reviews
Aerolineas Argentinas
8.0
Very good
846 reviews

Boarding

8.0

Crew

8.3

Comfort

7.5

Food

6.4

Overall

8.0

Entertainment

5.7

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?

    Cheapflights users have booked flights from Rio de Janeiro to Buenos Aires round-trip from $257. Other airlines that can offer you cheap pricing are Flybondi, from $264, and JetSMART, from $269. GOL is priced at 23% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Aerolineas Argentinas. According to our data, you can fly for as low as $130. Users have also found prices from $136 and $137 on JetSMART and GOL, respectively.

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

    The most popular flight routes from Rio de Janeiro to Buenos Aires are Rio de Janeiro Santos Dumont - Buenos Aires Jorge Newbery, Rio de Janeiro–Galeão Intl - Buenos Aires Jorge Newbery and Rio de Janeiro Santos Dumont - Buenos Aires Ministro Pistarini.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Rio de Janeiro to Buenos Aires on time: Emirates (95%), British Airways (95%), GOL (80%).

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

    Looking at all options, your cheapest flight can be booked for $110. While the most popular route (Rio de Janeiro Santos Dumont - Buenos Aires Jorge Newbery) can be booked for $328 on average our data indicates $404 when flying from Rio de Janeiro to Buenos Aires.

  • 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 vacation 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, April is the cheapest month in which you can book a flight from Rio de Janeiro to Buenos Aires (average of $795). Flying from Rio de Janeiro to Buenos Aires in December is currently the most expensive (average of $1,260). 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 Jorge Newbery flights
Rio de Janeiro–Galeão Intl to San Carlos de Bariloche flights
Rio de Janeiro–Galeão Intl to Ministro Pistarini flights

Top 5 airlines flying from Rio de Janeiro to Buenos Aires

Discover the top 5 airlines that operate flights from Rio de Janeiro to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetSMARTCheapest$207Average$278FlexibilityNo cancel feeOn-timeN/A
FlybondiCheapest$212Average$302FlexibilityNo cancel feeOn-timeN/A
GOLCheapest$263Average$317FlexibilityNo cancel feeOn-time74%
Aerolineas ArgentinasCheapest$287Average$460FlexibilityNo cancel feeOn-time59%
British AirwaysCheapest$325Average$360FlexibilityNo cancel feeOn-time70%
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