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$86+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — BUE
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$284
(Mytrip)

One-way from

$86
(FlightHub)

Popular in

August

Cheapest in

January

Average price

$942
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. 24% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This Mytrip deal was found by Cheapflights users on 8/18. 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.
Tue 9/167:55 amSDU - AEP
1 stop9h 35mMultiple Airlines
Sat 9/2010:55 pmAEP - SDU
1 stop10h 05mMultiple Airlines
Deal found 8/18$284
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Tue 10/2811:25 amSDU - AEP
1 stop6h 05mMultiple Airlines
Wed 10/2910:55 amAEP - SDU
1 stop11h 25mMultiple Airlines
Deal found 8/18$313
This SmartFares deal was found by Cheapflights users on 8/18. 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.
Sat 9/276:10 amSDU - AEP
2 stops20h 10mGOL
Sat 10/43:40 amAEP - SDU
2 stops8h 40mGOL
Deal found 8/18$329
This FlightHub deal was found by Cheapflights users on 8/18. 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.
Mon 9/151:55 pmSDU - AEP
1 stop7h 35mLATAM Airlines
Mon 9/2210:55 pmAEP - SDU
1 stop8h 25mLATAM Airlines
Deal found 8/18$343
This SmartFares deal was found by Cheapflights users on 8/18. 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.
Sun 11/96:55 amSDU - AEP
2 stops12h 35mGOL
Sat 11/151:40 pmAEP - SDU
2 stops19h 15mGOL
Deal found 8/18$344
This Trip.com deal was found by Cheapflights users on 8/18. 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.
Mon 9/19:35 amSDU - AEP
2 stops33h 55mGOL
Thu 9/410:20 amAEP - SDU
2 stops12h 05mGOL
Deal found 8/18$349
This Booking.com deal was found by Cheapflights users on 8/18. 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.
Tue 9/98:20 pmSDU - AEP
2 stops18h 20mMultiple Airlines
Sun 9/149:00 amAEP - SDU
2 stops13h 25mMultiple Airlines
Deal found 8/18$352
This Mytrip deal was found by Cheapflights users on 8/19. 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.
Mon 9/811:25 amSDU - AEP
1 stop6h 05mMultiple Airlines
Wed 9/1010:25 pmAEP - SDU
2 stops15h 55mMultiple Airlines
Deal found 8/19$355
This Gotogate deal was found by Cheapflights users on 8/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/299:20 pmSDU - AEP
2 stops14h 40mLATAM Airlines
Mon 9/810:55 pmAEP - SDU
1 stop10h 40mLATAM Airlines
Deal found 8/19$356
This Orbitz deal was found by Cheapflights users on 8/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:20 pmSDU - AEP
1 stop20h 40mLATAM Airlines
Fri 10/310:55 pmAEP - SDU
1 stop14h 55mLATAM Airlines
Deal found 8/18$365
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Mon 9/111:25 amSDU - EZE
1 stop11h 00mMultiple Airlines
Thu 9/411:55 pmEZE - SDU
1 stop8h 45mMultiple Airlines
Deal found 8/18$381
This Trip.com deal was found by Cheapflights users on 8/19. 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 11/266:00 amSDU - EZE
1 stop6h 50mMultiple Airlines
Tue 12/27:10 amEZE - SDU
1 stop6h 05mMultiple Airlines
Deal found 8/19$394

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 August 20, 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

Tue 9/16

7:55 am-5:30 pm

1 stop9h 35m

Buenos Aires Jorge Newbery

Sat 9/20

10:55 pm-9:00 am

1 stop10h 05m

$284

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Tue 10/28

11:25 am-5:30 pm

1 stop6h 05m

Buenos Aires Jorge Newbery

Wed 10/29

10:55 am-10:20 pm

1 stop11h 25m

$313

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Sat 9/27

6:10 am-2:20 am

2 stops20h 10m

Buenos Aires Jorge Newbery

Sat 10/4

3:40 am-12:20 pm

2 stops8h 40m

$329

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Mon 9/15

1:55 pm-9:30 pm

1 stop7h 35m

Buenos Aires Jorge Newbery

Mon 9/22

10:55 pm-7:20 am

1 stop8h 25m

$343

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Sun 11/9

6:55 am-7:30 pm

2 stops12h 35m

Buenos Aires Jorge Newbery

Sat 11/15

1:40 pm-8:55 am

2 stops19h 15m

$344

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Mon 9/1

9:35 am-7:30 pm

2 stops33h 55m

Buenos Aires Jorge Newbery

Thu 9/4

10:20 am-10:25 pm

2 stops12h 05m

$349

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Tue 9/9

8:20 pm-2:40 pm

2 stops18h 20m

Buenos Aires Jorge Newbery

Sat 9/13

3:40 am-10:40 am

1 stop7h 00m

$352

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Tue 9/9

11:35 am-9:20 am

2 stops21h 45m

Buenos Aires Jorge Newbery

Sat 9/13

3:40 am-7:25 pm

1 stop15h 45m

$352

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Mon 9/8

11:25 am-5:30 pm

1 stop6h 05m

Buenos Aires Jorge Newbery

Wed 9/10

10:25 pm-2:20 pm

2 stops15h 55m

$355

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Mon 9/1

11:25 am-10:25 pm

1 stop11h 00m

Buenos Aires Ministro Pistarini

Thu 9/4

11:55 pm-8:40 am

1 stop8h 45m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 37 results
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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

How much does it cost to fly round-trip from Rio de Janeiro Santos Dumont Airport to Buenos Aires?

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.

  • How long is the flight from Rio de Janeiro Santos Dumont Airport to Buenos Aires?

    There are many flights that can get you from Rio de Janeiro Santos Dumont Airport to Buenos Aires in 20h 10m. Fly via GOL to get the fastest option. Rio de Janeiro Santos Dumont Airport and Buenos Aires are separated by a distance of 1222 mi.

  • 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.
Rio de Janeiro–Galeão Intl to Ministro Pistarini flights
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