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$74+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — BUE
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
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 Wednesday or Thursday and return on a Thursday

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 julio 29, 2025.

Round-trip from

$211
(Trip.com)

One-way from

$74
(FlightHub)

Popular in

November

Cheapest in

June

Average price

$327

Good round-trip deal

$157 or less

Good one-way deal

$93 or less
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. 10% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 29, 2025.

This Trip.com deal was found by Cheapflights users on 7/27. 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.
vie. 8/2210:05 amGIG - AEP
Nonstop3h 25mFlybondi
mar. 8/262:30 pmAEP - GIG
Nonstop2h 55mFlybondi
Deal found 7/27$211
This Trip.com deal was found by Cheapflights users on 7/27. 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.
vie. 8/229:30 pmGIG - EZE
Nonstop3h 21mMultiple Airlines
mar. 8/266:20 amEZE - GIG
Nonstop2h 55mMultiple Airlines
Deal found 7/27$211
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/412:50 pmGIG - EZE
1 stop9h 35mLATAM Airlines
mar. 10/75:30 amEZE - GIG
Nonstop2h 45mLATAM Airlines
Deal found 7/29$221
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/910:05 pmGIG - AEP
1 stop9h 35mLATAM Airlines
mié. 10/110:55 pmAEP - GIG
1 stop11h 50mLATAM Airlines
Deal found 7/29$226
This GOL deal was found by Cheapflights users on 7/28. 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.
jue. 8/2110:10 pmGIG - AEP
Nonstop3h 30mGOL
vie. 8/293:50 pmAEP - GIG
Nonstop2h 55mGOL
Deal found 7/28$227
This GOL deal was found by Cheapflights users on 7/28. 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.
vie. 8/157:55 amGIG - EZE
Nonstop3h 30mGOL
mié. 8/2012:15 pmEZE - GIG
Nonstop2h 55mGOL
Deal found 7/28$227
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
vie. 10/1710:05 pmGIG - AEP
1 stop9h 35mMultiple Airlines
dom. 10/265:30 pmAEP - GIG
Nonstop2h 55mMultiple Airlines
Deal found 7/27$228
This Mytrip deal was found by Cheapflights users on 7/28. 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.
vie. 8/228:10 pmGIG - AEP
Nonstop3h 25mJetSMART
sáb. 8/304:15 pmAEP - GIG
Nonstop3h 05mJetSMART
Deal found 7/28$229
This CheapOair deal was found by Cheapflights users on 7/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/910:25 amGIG - EZE
Nonstop3h 21mJetSMART
mié. 10/16:21 amEZE - GIG
Nonstop3h 04mJetSMART
Deal found 7/27$232
This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/143:05 amGIG - AEP
Nonstop3h 25mAerolineas Argentinas
mar. 8/1911:20 pmAEP - GIG
Nonstop2h 55mAerolineas Argentinas
Deal found 7/28$250
This CheapOair deal was found by Cheapflights users on 7/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/156:15 pmGIG - EZE
Nonstop3h 25mFlybondi
jue. 9/186:20 amEZE - GIG
Nonstop2h 55mFlybondi
Deal found 7/27$253
This GOL deal was found by Cheapflights users on 7/28. 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.
jue. 10/166:20 amSDU - AEP
1 stop6h 40mGOL
dom. 10/193:40 amAEP - SDU
1 stop13h 10mGOL
Deal found 7/28$332

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 julio 29, 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

vie. 8/22

10:05 am-1:30 pm

Nonstop3h 25m

Buenos Aires Jorge Newbery

mar. 8/26

2:30 pm-5:25 pm

Nonstop2h 55m

$211

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

vie. 8/22

9:30 pm-12:51 am

Nonstop3h 21m

Buenos Aires Ministro Pistarini

mar. 8/26

6:20 am-9:15 am

Nonstop2h 55m

$211

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

sáb. 10/4

12:50 pm-10:25 pm

1 stop9h 35m

Buenos Aires Ministro Pistarini

mar. 10/7

5:30 am-8:15 am

Nonstop2h 45m

$221

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

mar. 9/9

10:05 pm-7:40 am

1 stop9h 35m

Buenos Aires Jorge Newbery

mié. 10/1

10:55 pm-10:45 am

1 stop11h 50m

$226

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

jue. 8/21

10:10 pm-1:40 am

Nonstop3h 30m

Buenos Aires Jorge Newbery

vie. 8/29

3:50 pm-6:45 pm

Nonstop2h 55m

$227

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

vie. 8/15

7:55 am-11:25 am

Nonstop3h 30m

Buenos Aires Ministro Pistarini

mié. 8/20

12:15 pm-3:10 pm

Nonstop2h 55m

$227

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

vie. 10/17

10:05 pm-7:40 am

1 stop9h 35m

Buenos Aires Jorge Newbery

dom. 10/26

5:30 pm-8:25 pm

Nonstop2h 55m

$228

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

vie. 8/22

8:10 pm-11:35 pm

Nonstop3h 25m

Buenos Aires Jorge Newbery

sáb. 8/30

4:15 pm-7:20 pm

Nonstop3h 05m

$229

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

mar. 9/9

10:25 am-1:46 pm

Nonstop3h 21m

Buenos Aires Ministro Pistarini

mié. 10/1

6:21 am-9:25 am

Nonstop3h 04m

$232

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

jue. 8/14

3:05 am-6:30 am

Nonstop3h 25m

Buenos Aires Jorge Newbery

mar. 8/19

11:20 pm-2:15 am

Nonstop2h 55m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 33 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 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 July 25, 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 julio 29, 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 17% 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 julio 29, 2025.

The most flights from RIO to BUE are scheduled on a Tuesday (31 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip 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 julio 29, 2025.
Read through reviews of airlines operating flights from Rio de Janeiro to Buenos Aires, such as Aerolineas Argentinas, LATAM Airlines, and GOL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aerolineas Argentinas
8.1
Very good
898 reviews

Boarding

8.0

Entertainment

5.7

Comfort

7.5

Crew

8.3

Food

6.5

Overall

8.1

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
8.1
Very good
898 reviews
Aerolineas Argentinas
8.1
Very good
898 reviews

Boarding

8.0

Entertainment

5.7

Comfort

7.5

Crew

8.3

Food

6.5

Overall

8.1

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
1,821 reviews
Aerolineas Argentinas
8.1
Very good
898 reviews

Boarding

8.0

Entertainment

5.7

Comfort

7.5

Crew

8.3

Food

6.5

Overall

8.1

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
1,091 reviews
Aerolineas Argentinas
8.1
Very good
898 reviews

Boarding

8.0

Entertainment

5.7

Comfort

7.5

Crew

8.3

Food

6.5

Overall

8.1

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.
JetSMART
6.5
Okay
211 reviews
Aerolineas Argentinas
8.1
Very good
898 reviews

Boarding

8.0

Entertainment

5.7

Comfort

7.5

Crew

8.3

Food

6.5

Overall

8.1

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 $211. Other airlines that can offer you cheap pricing are LATAM Airlines, from $221, and GOL, from $227. Flybondi is priced at 37% 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 LATAM Airlines. According to our data, you can fly for as low as $74. Users have also found prices from $75 and $75 on Flybondi and JetSMART, 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–Galeão Intl - Buenos Aires Ministro Pistarini, Rio de Janeiro Santos Dumont - Buenos Aires Jorge Newbery and Rio de Janeiro–Galeão Intl - Buenos Aires Jorge Newbery.

  • 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 (84%), KLM (84%), GOL (84%).

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

    Looking at all options, your cheapest flight can be booked for $51. While the most popular route (Rio de Janeiro–Galeão Intl - Buenos Aires Ministro Pistarini) can be booked for $224 on average our data indicates $195 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

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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 Ministro Pistarini flights
Rio de Janeiro–Galeão Intl to San Carlos de Bariloche 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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
GOLCheapest$207Average$293FlexibilityNo cancel feeOn-time74%
JetSMARTCheapest$208Average$412FlexibilityNo cancel feeOn-timeN/A
FlybondiCheapest$226Average$350FlexibilityNo cancel feeOn-timeN/A
Aerolineas ArgentinasCheapest$320Average$857FlexibilityNo cancel feeOn-time59%
British AirwaysCheapest$325Average$366FlexibilityNo cancel feeOn-time70%

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