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Cheap flights from Rio de Janeiro Santos Dumont Airport, Brazil to Buenos Aires from £129

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — BUE
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

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 8 January 2026.

Round-trip from

£222

One-way from

£129

Popular in

February

Cheapest in

June

Average price

£248
LATAM Airlines
  • LATAM Airlines
  • 20/3-22/3
  • 2 total stops
  • 21h 05m total
  • Rio de Janeiro to Buenos Aires
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GOL
  • GOL
  • 5/2
  • 1 total stop
  • 16h 20m total
  • Rio de Janeiro to Buenos Aires
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Highest demand for flights based on searches. 17% potential increase in price (£34 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return 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

Enter your travel dates to find the best prices.

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 8 January 2026.

Fri 20/316:50SDU - EZE
1 stop8h 30mLATAM Airlines
Sun 22/321:55EZE - SDU
1 stop12h 35mLATAM Airlines
Deal found 7/1£222
Thu 19/320:05SDU - EZE
2 stops13h 10mLATAM Airlines
Sun 22/307:10EZE - SDU
1 stop6h 05mLATAM Airlines
Deal found 5/1£225
Fri 20/206:00SDU - EZE
1 stop6h 45mMultiple Airlines
Fri 27/207:10EZE - SDU
1 stop6h 05mMultiple Airlines
Deal found 6/1£287
Sat 7/218:00SDU - EZE
1 stop7h 50mGOL
Tue 10/203:00EZE - SDU
1 stop16h 35mGOL
Deal found 7/1£310
Sat 28/206:00SDU - EZE
1 stop6h 45mGOL
Mon 9/303:00EZE - SDU
1 stop11h 10mGOL
Deal found 7/1£319
Wed 4/220:25SDU - EZE
1 stop16h 20mGOL
Tue 10/203:00EZE - SDU
1 stop13h 55mGOL
Deal found 6/1£320
Sun 8/206:00SDU - EZE
1 stop6h 45mGOL
Wed 11/203:00EZE - SDU
1 stop11h 10mGOL
Deal found 6/1£322
Fri 6/206:00SDU - EZE
1 stop6h 45mGOL
Tue 10/203:00EZE - SDU
1 stop13h 55mGOL
Deal found 7/1£331
Sun 22/215:05SDU - EZE
1 stop21h 40mGOL
Sat 28/203:00EZE - SDU
1 stop11h 10mGOL
Deal found 7/1£331
Mon 9/206:00SDU - EZE
1 stop6h 45mGOL
Wed 11/203:00EZE - SDU
1 stop11h 10mGOL
Deal found 6/1£332

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 8 January 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 - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Tue 24/2

17:40-12:45

1 stop19h 05m

Buenos Aires Ministro Pistarini

Wed 4/3

03:00-10:45

1 stop7h 45m

£319

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Fri 20/3

06:00-12:45

1 stop6h 45m

Buenos Aires Ministro Pistarini

Mon 23/3

03:00-10:45

1 stop7h 45m

£319

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Sat 28/2

06:00-12:45

1 stop6h 45m

Buenos Aires Ministro Pistarini

Mon 9/3

03:00-14:10

1 stop11h 10m

£319

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Sun 1/3

20:25-12:45

1 stop16h 20m

Buenos Aires Ministro Pistarini

Wed 4/3

03:00-16:55

1 stop13h 55m

£319

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Fri 20/2

06:00-12:45

1 stop6h 45m

Buenos Aires Ministro Pistarini

Sat 21/2

03:00-16:55

1 stop13h 55m

£319

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Mon 23/2

15:05-12:45

1 stop21h 40m

Buenos Aires Ministro Pistarini

Wed 25/2

03:00-14:10

1 stop11h 10m

£320

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Fri 13/3

17:40-12:45

1 stop19h 05m

Buenos Aires Ministro Pistarini

Wed 25/3

03:30-14:10

1 stop10h 40m

£320

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Mon 16/3

20:25-12:45

1 stop16h 20m

Buenos Aires Ministro Pistarini

Sun 22/3

03:30-14:10

1 stop10h 40m

£320

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Sat 28/2

17:40-12:45

1 stop19h 05m

Buenos Aires Ministro Pistarini

Tue 10/3

03:30-10:45

1 stop7h 15m

£320

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Thu 5/2

20:25-12:45

1 stop16h 20m

£129

Flights are sorted by cheapest return flights first.

Deals found on 6/1

Showing 1-10 of 18 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 return 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?

    Departing from Rio de Janeiro Santos Dumont Airport to Buenos Aires will take you 19h 05m. The distance from Rio de Janeiro Santos Dumont Airport to Buenos Aires is about 1238 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 holiday 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

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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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Why should you use Cheapflights to find cheap flight tickets from Santos Dumont to Buenos Aires?

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Can Cheapflights find flights from Santos Dumont to Buenos Aires with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Santos Dumont to Buenos Aires, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Santos Dumont to Buenos Aires become cheaper?

Yes, Cheapflights offers price alerts on Santos Dumont to Buenos Aires flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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