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$113+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — BUE
Feb 8 — Feb 151
Sun 2/8
Sun 2/15
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 January 9, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$305
(Super.com)

One-way from

$113
(Booking.com)

Popular in

February

Cheapest in

June

Average price

$334
Provider with most accurate pricing for Rio de Janeiro Santos Dumont-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Rio de Janeiro Santos Dumont-Buenos Aires (BUE) flights.
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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. 17% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 9, 2026.

This Super.com deal was found by Cheapflights users on 1/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:15 pmSDU - AEP
1 stop15h 45mLATAM Airlines
Sun 4/2610:55 pmAEP - SDU
1 stop14h 15mLATAM Airlines
Deal found 1/8$305
This OneTravel deal was found by Cheapflights users on 1/7. 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.
Sun 3/222:00 pmSDU - AEP
1 stop7h 30mLATAM Airlines
Sun 3/2910:35 amAEP - SDU
1 stop9h 45mLATAM Airlines
Deal found 1/7$321
This CheapOair deal was found by Cheapflights users on 1/7. 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 4/182:45 pmSDU - EZE
1 stop25h 00mLATAM Airlines
Sat 4/252:25 amEZE - SDU
1 stop7h 50mLATAM Airlines
Deal found 1/7$336
This OneTravel deal was found by Cheapflights users on 1/7. 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.
Sun 3/229:10 pmSDU - EZE
2 stops20h 54mLATAM Airlines
Sat 3/282:25 amEZE - SDU
1 stop10h 45mLATAM Airlines
Deal found 1/7$340
This Expedia deal was found by Cheapflights users on 1/7. 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.
Sat 4/412:15 pmSDU - AEP
2 stops9h 15mLATAM Airlines
Tue 4/710:55 pmAEP - SDU
1 stop14h 15mLATAM Airlines
Deal found 1/7$356
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 9/181:45 pmSDU - AEP
1 stop9h 35mMultiple Airlines
Sun 9/206:20 amAEP - SDU
1 stop4h 50mMultiple Airlines
Deal found 1/7$387
This Expedia deal was found by Cheapflights users on 1/7. 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.
Thu 9/171:55 pmSDU - AEP
1 stop7h 35mLATAM Airlines
Sun 9/2710:30 pmAEP - SDU
1 stop10h 05mLATAM Airlines
Deal found 1/7$389
This Mytrip deal was found by Cheapflights users on 1/7. 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.
Fri 1/238:05 pmSDU - AEP
1 stop13h 35mMultiple Airlines
Sat 1/2410:00 pmAEP - SDU
1 stop8h 55mMultiple Airlines
Deal found 1/7$397
This Trip.com deal was found by Cheapflights users on 1/7. 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 4/48:45 pmSDU - AEP
2 stops20h 35mGOL
Tue 4/76:20 pmAEP - SDU
2 stops16h 35mGOL
Deal found 1/7$399
This Priceline deal was found by Cheapflights users on 1/7. 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 9/171:55 pmSDU - EZE
1 stop11h 05mLATAM Airlines
Sat 9/262:20 amEZE - SDU
1 stop6h 15mLATAM Airlines
Deal found 1/7$400
This Super.com deal was found by Cheapflights users on 1/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:10 amSDU - AEP
1 stop10h 50mLATAM Airlines
Tue 2/246:20 pmAEP - SDU
1 stop18h 55mLATAM Airlines
Deal found 1/8$402
This GOL deal was found by Cheapflights users on 1/7. 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 2/286:00 amSDU - EZE
1 stop6h 45mGOL
Mon 3/93:00 amEZE - SDU
1 stop11h 10mGOL
Deal found 1/7$430

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 January 9, 2026.
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

Sun 3/22

2:00 pm-9:30 pm

1 stop7h 30m

Buenos Aires Jorge Newbery

Sun 3/29

10:35 am-8:20 pm

1 stop9h 45m

$321

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Sat 4/4

12:15 pm-9:30 pm

2 stops9h 15m

Buenos Aires Jorge Newbery

Tue 4/7

10:55 pm-1:10 pm

1 stop14h 15m

$356

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Fri 1/23

8:05 pm-9:40 am

1 stop13h 35m

Buenos Aires Jorge Newbery

Sat 1/24

10:00 pm-6:55 am

1 stop8h 55m

$397

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Sat 4/4

8:45 pm-5:20 pm

2 stops20h 35m

Buenos Aires Jorge Newbery

Tue 4/7

6:20 pm-10:55 am

2 stops16h 35m

$399

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Fri 6/12

6:00 am-1:00 pm

1 stop7h 00m

Buenos Aires Jorge Newbery

Sat 6/13

3:40 am-2:20 pm

1 stop10h 40m

$408

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Wed 6/10

6:00 am-1:00 pm

1 stop7h 00m

Buenos Aires Jorge Newbery

Sun 6/14

3:40 am-2:20 pm

1 stop10h 40m

$408

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Tue 4/7

5:40 pm-1:00 pm

1 stop19h 20m

Buenos Aires Jorge Newbery

Sun 4/12

3:40 am-2:20 pm

1 stop10h 40m

$408

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Sat 4/18

5:40 pm-1:00 pm

1 stop19h 20m

Buenos Aires Jorge Newbery

Sat 4/25

3:40 am-2:20 pm

1 stop10h 40m

$408

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Wed 4/8

6:00 am-1:00 pm

1 stop7h 00m

Buenos Aires Jorge Newbery

Sat 4/11

3:40 am-10:55 am

1 stop7h 15m

$408

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Sat 4/18

3:15 pm-1:00 pm

1 stop21h 45m

Buenos Aires Jorge Newbery

Thu 4/23

3:40 am-12:35 pm

1 stop8h 55m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 43 results
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Compare providers for flights from Santos Dumont to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santos Dumont to Buenos Aires in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rio de Janeiro Santos Dumont Airport-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rio de Janeiro Santos Dumont Airport-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Rio de Janeiro Santos Dumont Airport-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rio de Janeiro Santos Dumont Airport-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rio de Janeiro Santos Dumont Airport-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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
No data available for this route at this time. Please check back soon.

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 7h 30m. Fly via LATAM Airlines or GOL to get the fastest option. Rio de Janeiro Santos Dumont Airport and Buenos Aires are separated by a distance of 1222 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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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