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$84+ Cheap flights from Santos Dumont, Brazil (SDU) 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — BUE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Santos Dumont to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Santos Dumont (SDU) 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

$284
(Mytrip)

One-way from

$98
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$470
From Rio de Janeiro Santos Dumont to Buenos Aires (BUE)
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One-way flight from Rio de Janeiro Santos Dumont to Buenos Aires (BUE)
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Highest demand for flights based on searches. 5% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Santos Dumont to Buenos Aires

Cheapest flights from Santos Dumont to Buenos Aires
Explore the most affordable flight options available from Santos Dumont to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

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
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 6/126:00 amSDU - AEP
1 stop7h 00mGOL
Tue 6/173:40 amAEP - SDU
1 stop7h 00mGOL
Deal found 6/11$314
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/293:40 pmSDU - EZE
1 stop9h 10mLATAM Airlines
Sat 9/66:00 amEZE - SDU
1 stop7h 55mLATAM Airlines
Deal found 6/12$345
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.
Sat 10/116:40 pmSDU - AEP
1 stop17h 20mLATAM Airlines
Fri 10/2410:55 pmAEP - SDU
1 stop10h 30mLATAM Airlines
Deal found 6/10$364
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3011:25 amSDU - EZE
1 stop11h 00mMultiple Airlines
Sun 8/311:55 pmEZE - SDU
1 stop8h 45mMultiple Airlines
Deal found 6/10$408
This GOL 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/148:30 pmSDU - EZE
1 stop15h 30mGOL
Wed 6/183:40 amEZE - SDU
1 stop10h 25mGOL
Deal found 6/11$424

Cheapflights Fare Finder

Customize your flight search to find flights from Santos Dumont 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 Santos Dumont Airport to Buenos Aires that are best for you.

Fly from

Santos Dumont

Fly to

Buenos Aires

Route

Depart

Return

Price

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Thu 7/3

3:15 pm-11:20 pm

1 stop8h 05m

Buenos Aires Jorge Newbery

Sat 7/5

12:05 am-9:10 am

1 stop9h 05m

$284

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Thu 8/14

8:25 pm-10:30 am

1 stop14h 05m

Buenos Aires Jorge Newbery

Sat 8/16

6:20 pm-9:35 am

1 stop15h 15m

$314

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Mon 6/23

5:40 pm-1:00 pm

1 stop19h 20m

Buenos Aires Jorge Newbery

Thu 6/26

3:40 am-10:40 am

1 stop7h 00m

$324

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Fri 8/29

3:40 pm-12:50 am

1 stop9h 10m

Buenos Aires Ministro Pistarini

Sat 9/6

6:00 am-1:55 pm

1 stop7h 55m

$345

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Wed 7/30

11:25 am-10:25 pm

1 stop11h 00m

Buenos Aires Ministro Pistarini

Sun 8/3

11:55 pm-8:40 am

1 stop8h 45m

$408

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Fri 11/7

6:00 am-12:20 pm

1 stop6h 20m

Buenos Aires Ministro Pistarini

Sun 11/9

3:15 am-10:40 am

1 stop7h 25m

$426

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Mon 7/21

5:35 pm-12:00 pm

2 stops18h 25m

$84

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Wed 8/6

6:50 am-7:30 pm

2 stops12h 40m

$98

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Sat 9/27

7:50 am-6:40 am

1 stop22h 50m

$100

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Sat 9/27

8:45 am-10:27 pm

2 stops13h 42m

$101

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 13 results
1
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Best time to book a flight from Santos Dumont to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Santos Dumont 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 Santos Dumont Airport to Buenos Aires

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.
To help decide which airline to fly from Rio de Janeiro to Buenos Aires, see what other customers have to say about LATAM Airlines, GOL and Ethiopian Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,785 reviews

Entertainment

7.0

Crew

8.1

Overall

7.5

Comfort

7.4

Boarding

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

COR - LIM

Always a great service. Better than Delta or American Airlines
LATAM Airlines
7.5
Good
1,785 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Entertainment

7.0

Crew

8.1

Overall

7.5

Comfort

7.4

Boarding

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

COR - LIM

Always a great service. Better than Delta or American Airlines
GOL
7.3
Good
1,073 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Entertainment

7.0

Crew

8.1

Overall

7.5

Comfort

7.4

Boarding

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

COR - LIM

Always a great service. Better than Delta or American Airlines
Ethiopian Air
7.2
Good
781 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Entertainment

7.0

Crew

8.1

Overall

7.5

Comfort

7.4

Boarding

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

COR - LIM

Always a great service. Better than Delta or American Airlines

Related info for your journey

Find useful and relevant information for your journey from Santos Dumont 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 Santos Dumont Airport to Buenos Aires round-trip?

    Currently priced at $314, LATAM Airlines will fly you from Rio de Janeiro Santos Dumont Airport to Buenos Aires and back. In addition to LATAM Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on GOL for as low as $324. These flights start at 35% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Rio de Janeiro Santos Dumont Airport to Buenos Aires are GOL ($98), LATAM Airlines ($101), and Ethiopian Air ($699).

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

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

  • How can I find direct flights from Santos Dumont to Buenos Aires?

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

  • Can I find deals for business class flights from Santos Dumont to Buenos Aires?

    Yes. Cheapflights offers flight deals from Santos Dumont 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 Santos Dumont Airport to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Rio de Janeiro Santos Dumont Airport to Buenos Aires (average of $795). Flying from Rio de Janeiro Santos Dumont Airport 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 Santos Dumont to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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