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$66+ 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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — BUE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 90 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 June 12, 2025.

Round-trip from

$203
(Kiwi.com)

One-way from

$66
(Trip.com)

Popular in

November

Cheapest in

June

Average price

$255

Good round-trip deal

$235 or less

Good one-way deal

$89 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. 8% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 6/128:05 pmGIG - AEP
Nonstop3h 25mJetSMART
Wed 6/183:56 pmAEP - GIG
Nonstop3h 04mJetSMART
Deal found 6/11$202
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 6/2710:15 amGIG - EZE
Nonstop3h 21mMultiple Airlines
Sun 6/291:30 pmEZE - GIG
Nonstop3h 00mMultiple Airlines
Deal found 6/12$203
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 7/1010:15 amGIG - EZE
Nonstop3h 21mJetSMART
Sun 7/135:06 pmEZE - GIG
Nonstop3h 04mJetSMART
Deal found 6/10$206
This Mytrip deal was found by Cheapflights users on 6/11. 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 6/113:05 amGIG - AEP
Nonstop3h 25mMultiple Airlines
Wed 6/183:56 pmAEP - GIG
Nonstop3h 04mMultiple Airlines
Deal found 6/11$207
This Booking.com deal was found by Cheapflights users on 6/11. 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.
Wed 7/210:05 amGIG - AEP
Nonstop3h 25mFlybondi
Sat 7/122:30 pmAEP - GIG
Nonstop2h 55mFlybondi
Deal found 6/11$214
This Booking.com deal was found by Cheapflights users on 6/11. 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.
Wed 7/26:15 pmGIG - EZE
Nonstop3h 25mFlybondi
Sat 7/126:20 amEZE - GIG
Nonstop2h 55mFlybondi
Deal found 6/11$214
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/110:50 amGIG - AEP
Nonstop3h 30mGOL
Thu 7/310:20 amAEP - GIG
2 stops19h 40mGOL
Deal found 6/10$233
This CheapOair deal was found by Cheapflights users on 6/10. 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.
Tue 7/11:35 pmGIG - EZE
1 stop9h 54mLATAM Airlines
Thu 7/35:30 amEZE - GIG
Nonstop2h 45mLATAM Airlines
Deal found 6/10$236
This SmartFares deal was found by Cheapflights users on 6/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/247:55 amGIG - EZE
Nonstop3h 30mGOL
Sun 6/291:30 pmEZE - GIG
Nonstop3h 00mGOL
Deal found 6/11$243
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/146:15 pmGIG - AEP
Nonstop3h 25mAerolineas Argentinas
Mon 7/2111:20 pmAEP - GIG
Nonstop2h 55mAerolineas Argentinas
Deal found 6/11$257
This Trip.com deal was found by Cheapflights users on 6/11. 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.
Tue 7/82:25 amGIG - AEP
1 stop12h 15mLATAM Airlines
Sun 7/1310:55 pmAEP - GIG
1 stop9h 05mLATAM Airlines
Deal found 6/11$279
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Thu 7/33:15 pmSDU - AEP
1 stop8h 05mMultiple Airlines
Sat 7/512:05 amAEP - SDU
1 stop9h 05mMultiple Airlines
Deal found 6/11$284

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 June 12, 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 - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Fri 6/27

10:15 am-1:36 pm

Nonstop3h 21m

Buenos Aires Ministro Pistarini

Sun 6/29

1:30 pm-4:30 pm

Nonstop3h 00m

$203

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Fri 6/27

8:10 am-11:30 am

Nonstop3h 20m

Buenos Aires Jorge Newbery

Sun 6/29

3:51 pm-6:55 pm

Nonstop3h 04m

$206

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Thu 7/10

10:15 am-1:36 pm

Nonstop3h 21m

Buenos Aires Ministro Pistarini

Sun 7/13

5:06 pm-8:10 pm

Nonstop3h 04m

$206

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Wed 7/2

10:05 am-1:30 pm

Nonstop3h 25m

Buenos Aires Jorge Newbery

Sat 7/12

2:30 pm-5:25 pm

Nonstop2h 55m

$214

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Wed 7/2

6:15 pm-9:40 pm

Nonstop3h 25m

Buenos Aires Ministro Pistarini

Sat 7/12

6:20 am-9:15 am

Nonstop2h 55m

$214

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Thu 8/14

8:10 am-11:30 am

Nonstop3h 20m

Buenos Aires Jorge Newbery

Sat 8/16

2:30 pm-5:25 pm

Nonstop2h 55m

$216

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Tue 7/1

10:50 am-2:20 pm

Nonstop3h 30m

Buenos Aires Jorge Newbery

Thu 7/3

10:20 am-6:00 am

2 stops19h 40m

$233

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Tue 7/1

1:35 pm-11:29 pm

1 stop9h 54m

Buenos Aires Ministro Pistarini

Thu 7/3

5:30 am-8:15 am

Nonstop2h 45m

$236

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Tue 6/24

7:55 am-11:25 am

Nonstop3h 30m

Buenos Aires Ministro Pistarini

Sun 6/29

1:30 pm-4:30 pm

Nonstop3h 00m

$243

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Sun 7/13

3:05 am-6:30 am

Nonstop3h 25m

Buenos Aires Jorge Newbery

Mon 7/21

11:20 pm-2:15 am

Nonstop2h 55m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 42 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 June 9, 2025.

Booking 90 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 June 12, 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 15% 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 June 12, 2025.

The most flights from RIO to BUE are scheduled on a Monday (29 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (12 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 June 12, 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
8.1
Very good
872 reviews

Entertainment

5.7

Crew

8.3

Overall

8.1

Comfort

7.5

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.
Aerolineas Argentinas
8.1
Very good
872 reviews
Aerolineas Argentinas
8.1
Very good
872 reviews

Entertainment

5.7

Crew

8.3

Overall

8.1

Comfort

7.5

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.
Emirates
8.1
Very good
3,264 reviews
Aerolineas Argentinas
8.1
Very good
872 reviews

Entertainment

5.7

Crew

8.3

Overall

8.1

Comfort

7.5

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.
LATAM Airlines
7.5
Good
1,785 reviews
Aerolineas Argentinas
8.1
Very good
872 reviews

Entertainment

5.7

Crew

8.3

Overall

8.1

Comfort

7.5

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.
GOL
7.3
Good
1,073 reviews
Aerolineas Argentinas
8.1
Very good
872 reviews

Entertainment

5.7

Crew

8.3

Overall

8.1

Comfort

7.5

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.
Ethiopian Air
7.2
Good
781 reviews
Aerolineas Argentinas
8.1
Very good
872 reviews

Entertainment

5.7

Crew

8.3

Overall

8.1

Comfort

7.5

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?

    Cheapflights users have booked flights from Rio de Janeiro to Buenos Aires round-trip from $206. Other airlines that can offer you cheap pricing are Flybondi, from $214, and GOL, from $233. JetSMART is priced at 39% 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 $66. Users have also found prices from $66 and $67 on GOL 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 Santos Dumont - Buenos Aires Jorge Newbery, Rio de Janeiro–Galeão Intl - Buenos Aires Ministro Pistarini 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: Air France (100%), JetSMART (87%), JetSMART (87%).

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

    Looking at all options, your cheapest flight can be booked for $61. While the most popular route (Rio de Janeiro Santos Dumont - Buenos Aires Jorge Newbery) can be booked for $308 on average our data indicates $245 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 Ministro Pistarini flights
Rio de Janeiro–Galeão Intl to Jorge Newbery 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FlybondiCheapest$212Average$344FlexibilityNo cancel feeOn-timeN/A
JetSMARTCheapest$238Average$412FlexibilityNo cancel feeOn-timeN/A
GOLCheapest$263Average$317FlexibilityNo cancel feeOn-time74%
Aerolineas ArgentinasCheapest$269Average$495FlexibilityNo cancel feeOn-time59%
British AirwaysCheapest$325Average$360FlexibilityNo cancel feeOn-time70%

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