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$69+ Cheap flights from Sao Paulo, Brazil (SAO) 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAO — BUE
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Sao Paulo to Buenos Aires are usually found in May or June, booked 69 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from Sao Paulo to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Sao Paulo (SAO) 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 August 14, 2025.

Round-trip from

$196
(CheapOair)

One-way from

$69
(SmartFares)

Popular in

December

Cheapest in

May

Average price

$264

Good round-trip deal

$208 or less

Good one-way deal

$75 or less
From Sao Paulo (SAO) to Buenos Aires (BUE)
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One-way flight from Sao Paulo (SAO) to Buenos Aires (BUE)
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Highest demand for flights based on searches. 8% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Sao Paulo (SAO) to Buenos Aires (BUE).
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Price to beat on a one-way flight from Sao Paulo (SAO) to Buenos Aires (BUE).
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Find flight deals from Sao Paulo to Buenos Aires

Cheapest flights from Sao Paulo to Buenos Aires
Explore the most affordable flight options available from Sao Paulo to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This CheapOair deal was found by Cheapflights users on 8/14. 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.
Sat 10/251:55 pmGRU - AEP
Nonstop3h 05mLATAM Airlines
Sat 10/2510:55 pmAEP - GRU
Nonstop2h 40mLATAM Airlines
Deal found 8/14$196
This OneTravel deal was found by Cheapflights users on 8/13. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/213:35 amGRU - AEP
Nonstop3h 05mFlybondi
Sat 8/2312:05 amAEP - GRU
Nonstop2h 40mFlybondi
Deal found 8/13$197
This Mytrip deal was found by Cheapflights users on 8/13. 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 8/273:35 amGRU - AEP
Nonstop3h 05mMultiple Airlines
Sat 8/3010:55 pmAEP - GRU
Nonstop2h 40mMultiple Airlines
Deal found 8/13$198
This OneTravel deal was found by Cheapflights users on 8/14. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/12:25 pmGRU - AEP
Nonstop3h 05mFlybondi
Wed 10/1510:55 amAEP - GRU
Nonstop2h 40mFlybondi
Deal found 8/14$206
This GOL deal was found by Cheapflights users on 8/13. 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.
Sat 8/2311:20 pmGRU - AEP
Nonstop3h 00mGOL
Fri 8/293:15 amAEP - GRU
Nonstop2h 40mGOL
Deal found 8/13$207
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Wed 10/88:20 pmGRU - AEP
Nonstop3h 00mMultiple Airlines
Wed 10/2210:55 amAEP - GRU
Nonstop2h 40mMultiple Airlines
Deal found 8/13$208
This Priceline deal was found by Cheapflights users on 8/14. 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 10/92:25 pmGRU - AEP
Nonstop3h 05mFlybondi
Mon 10/1310:15 amAEP - GRU
Nonstop2h 40mFlybondi
Deal found 8/14$209
This SmartFares deal was found by Cheapflights users on 8/13. 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.
Thu 10/168:20 pmGRU - AEP
Nonstop3h 00mAerolineas Argentinas
Mon 10/208:55 amAEP - GRU
Nonstop2h 45mAerolineas Argentinas
Deal found 8/13$210
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Sat 8/233:35 amGRU - AEP
Nonstop3h 05mMultiple Airlines
Wed 8/2710:55 pmAEP - GRU
Nonstop2h 40mMultiple Airlines
Deal found 8/13$211
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 10/78:20 pmGRU - AEP
Nonstop3h 00mAerolineas Argentinas
Wed 10/2211:50 amAEP - GRU
Nonstop2h 45mAerolineas Argentinas
Deal found 8/13$215
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 10/98:20 pmGRU - AEP
Nonstop3h 00mAerolineas Argentinas
Tue 10/141:45 pmAEP - GRU
Nonstop2h 45mAerolineas Argentinas
Deal found 8/14$216
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/193:35 amGRU - AEP
Nonstop3h 05mFlybondi
Mon 10/1310:15 amAEP - GRU
Nonstop2h 40mFlybondi
Deal found 8/13$217

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sao Paulo 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 August 14, 2025.
Use the filters below to find and compare flights from Sao Paulo to Buenos Aires that are best for you.

Fly from

Sao Paulo

Fly to

Buenos Aires

Route

Depart

Return

Price

Sao PauloBuenos Aires

GRU - AEP

GRUAEP

Sao Paulo Guarulhos Intl

Sat 8/30

2:15 pm-5:20 pm

Nonstop3h 05m

Buenos Aires Jorge Newbery

Wed 9/3

10:20 am-1:00 pm

Nonstop2h 40m

$217

Sao PauloBuenos Aires

GRU - AEP

GRUAEP

Sao Paulo Guarulhos Intl

Fri 8/29

6:00 pm-9:00 pm

Nonstop3h 00m

Buenos Aires Jorge Newbery

Thu 9/4

6:20 pm-9:15 pm

Nonstop2h 55m

$217

Sao PauloBuenos Aires

GRU - AEP

GRUAEP

Sao Paulo Guarulhos Intl

Mon 10/20

6:00 pm-9:00 pm

Nonstop3h 00m

Buenos Aires Jorge Newbery

Sun 10/26

3:15 am-5:55 am

Nonstop2h 40m

$227

Sao PauloBuenos Aires

GRU - AEP

GRUAEP

Sao Paulo Guarulhos Intl

Thu 10/9

2:15 pm-5:20 pm

Nonstop3h 05m

Buenos Aires Jorge Newbery

Fri 10/17

10:20 am-1:00 pm

Nonstop2h 40m

$227

Sao PauloBuenos Aires

GRU - AEP

GRUAEP

Sao Paulo Guarulhos Intl

Mon 10/6

6:15 am-9:20 am

Nonstop3h 05m

Buenos Aires Jorge Newbery

Wed 10/15

9:00 am-11:40 am

Nonstop2h 40m

$227

Sao PauloBuenos Aires

GRU - AEP

GRUAEP

Sao Paulo Guarulhos Intl

Thu 10/9

2:15 pm-5:20 pm

Nonstop3h 05m

Buenos Aires Jorge Newbery

Fri 10/24

9:00 am-11:40 am

Nonstop2h 40m

$227

Sao PauloBuenos Aires

GRU - AEP

GRUAEP

Sao Paulo Guarulhos Intl

Sun 10/19

2:15 pm-5:20 pm

Nonstop3h 05m

Buenos Aires Jorge Newbery

Tue 10/21

3:30 am-6:25 am

Nonstop2h 55m

$227

Sao PauloBuenos Aires

GRU - AEP

GRUAEP

Sao Paulo Guarulhos Intl

Sat 9/13

11:20 pm-2:20 am

Nonstop3h 00m

Buenos Aires Jorge Newbery

Sat 9/27

1:55 pm-4:45 pm

Nonstop2h 50m

$227

Sao PauloBuenos Aires

GRU - AEP

GRUAEP

Sao Paulo Guarulhos Intl

Sat 9/27

11:20 pm-2:20 am

Nonstop3h 00m

Buenos Aires Jorge Newbery

Sun 10/5

9:00 am-11:40 am

Nonstop2h 40m

$227

Sao PauloBuenos Aires

GRU - AEP

GRUAEP

Sao Paulo Guarulhos Intl

Tue 9/23

5:55 pm-9:00 pm

Nonstop3h 05m

Buenos Aires Jorge Newbery

Sat 9/27

3:30 am-6:25 am

Nonstop2h 55m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 60 results
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Best time to book a flight from Sao Paulo to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Sao Paulo 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 Sao Paulo to Buenos Aires

How far ahead should I book a flight from Sao Paulo to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Sao Paulo to Buenos Aires. Price data was last updated on August 8, 2025.

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sao Paulo 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 Sao Paulo to Buenos Aires?

Currently, April is the cheapest month in which you can book a flight from Sao Paulo to Buenos Aires (average of $795). Flying from Sao Paulo 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 SAO to BUE?

Find hourly flight availability from Sao Paulo 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 August 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Sao Paulo to Buenos Aires in the evening. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Sao Paulo to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from Sao Paulo to Buenos Aires. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Sao Paulo to Buenos Aires flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Sao Paulo to Buenos Aires

Explore weekly flight availability from Sao Paulo 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 August 14, 2025.

The most flights from SAO to BUE are scheduled on a Thursday (41 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

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 August 14, 2025.
Read reviews from past customers who have flown Aerolineas Argentinas, Turkish Airlines, and GOL from Sao Paulo to Buenos Aires. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aerolineas Argentinas
8.1
Very good
913 reviews

Boarding

8.0

Overall

8.1

Entertainment

5.7

Comfort

7.5

Crew

8.3

Food

6.5

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
913 reviews
Aerolineas Argentinas
8.1
Very good
913 reviews

Boarding

8.0

Overall

8.1

Entertainment

5.7

Comfort

7.5

Crew

8.3

Food

6.5

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.
Turkish Airlines
7.3
Good
3,940 reviews
Aerolineas Argentinas
8.1
Very good
913 reviews

Boarding

8.0

Overall

8.1

Entertainment

5.7

Comfort

7.5

Crew

8.3

Food

6.5

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
1,093 reviews
Aerolineas Argentinas
8.1
Very good
913 reviews

Boarding

8.0

Overall

8.1

Entertainment

5.7

Comfort

7.5

Crew

8.3

Food

6.5

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.
Air Canada
7.1
Good
9,949 reviews
Aerolineas Argentinas
8.1
Very good
913 reviews

Boarding

8.0

Overall

8.1

Entertainment

5.7

Comfort

7.5

Crew

8.3

Food

6.5

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 Sao Paulo 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 Sao Paulo to Buenos Aires round-trip?

    Flybondi, at $78, was found to be the cheapest airline from Sao Paulo to Buenos Aires.Alternate airlines to your destination round-trip include LATAM Airlines and GOL. Flybondi is priced at 72% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from Sao Paulo to Buenos Aires?

    The most popular route from Sao Paulo to Buenos Aires is Sao Paulo Guarulhos Intl - Buenos Aires Ministro Pistarini. You may also consider Sao Paulo Guarulhos Intl - Buenos Aires Jorge Newbery or Sao Paulo Congonhas - Buenos Aires Jorge Newbery.

  • What are the most reliable airlines from Sao Paulo 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 Sao Paulo to Buenos Aires on time: Air Canada (91%), Ethiopian Air (77%), SWISS (76%).

  • What are the cheapest flights from Sao Paulo to Buenos Aires?

    The cheapest flight price from Sao Paulo to Buenos Aires is $67. On average you can expect to pay $203. The most popular route, (Sao Paulo Guarulhos Intl - Buenos Aires Ministro Pistarini), can usually be booked for $227.

  • Can I find deals for flights from Sao Paulo to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Sao Paulo to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sao Paulo to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sao Paulo to Buenos Aires.

  • Can I find deals for business class flights from Sao Paulo to Buenos Aires?

    Yes. Cheapflights offers flight deals from Sao Paulo 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 Sao Paulo to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Sao Paulo to Buenos Aires (average of $795). Flying from Sao Paulo 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 Sao Paulo to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Guarulhos Intl to Ministro Pistarini flights
Guarulhos Intl to Jorge Newbery flights
Guarulhos Intl to San Carlos de Bariloche flights
Guarulhos Intl to Mendoza flights

Top 8 airlines flying from Sao Paulo to Buenos Aires

Discover the top 8 airlines that operate flights from Sao Paulo 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FlybondiCheapest$78Average$244FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$110Average$321FlexibilityNo cancel feeOn-time81%
GOLCheapest$189Average$240FlexibilityNo cancel feeOn-time74%
SWISSCheapest$233Average$271FlexibilityNo cancel feeOn-time79%
Aerolineas ArgentinasCheapest$238Average$345FlexibilityNo cancel feeOn-time59%
Turkish AirlinesCheapest$247Average$366FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$274Average$309FlexibilityNo cancel feeOn-time67%
Ethiopian AirCheapest$280Average$309FlexibilityNo cancel feeOn-time72%

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