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Cheap flights from Buenos Aires to Rio de Janeiro Santos Dumont Airport, Brazil from £137

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SDU
5 Sep — 12 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buenos Aires to Santos Dumont

Enter your travel dates to find the best prices.

Cheapest flights from Buenos Aires to Santos Dumont
Explore the most affordable flight options available from Buenos Aires to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Mon 21/921:55 -
1 stop11h 35m
Wed 23/913:45 -
1 stop6h 40m
Deal found 5/8£348
Sun 22/1106:00 -
2 stops27h 25m
Thu 26/1120:45 -
2 stops27h 45m
Deal found 5/8£354
Sun 22/1111:45 -
1 stop21h 40m
Thu 26/1118:55 -
1 stop15h 35m
Deal found 5/8£364
Sun 30/802:30 -
1 stop6h 05m
Mon 7/906:15 -
1 stop9h 30m
Deal found 3/8£375
Tue 1/903:40 -
1 stop10h 30m
Sun 6/915:30 -
1 stop21h 30m
Deal found 2/8£394
Sat 21/1102:05 -
1 stop7h 20m
Thu 26/1110:05 -
1 stop15h 10m
Deal found 5/8£397
Tue 11/803:40 -
1 stop12h 50m
Tue 18/820:55 -
1 stop16h 05m
Deal found 1/8£397
Sun 16/803:40 -
1 stop8h 45m
Mon 31/806:05 -
1 stop6h 55m
Deal found 1/8£398
Thu 12/1103:30 -
1 stop9h 00m
Fri 27/1106:00 -
1 stop7h 00m
Deal found 1/8£400
Tue 11/803:40 -
1 stop12h 50m
Sat 12/918:30 -
1 stop18h 30m
Deal found 1/8£403
Sat 29/803:40 -
1 stop10h 30m
Sun 6/910:50 -
1 stop26h 10m
Deal found 2/8£404
Thu 10/903:40 -
1 stop10h 30m
Sun 13/920:55 -
1 stop16h 05m
Deal found 5/8£407

Find flight deals from Buenos Aires to Santos Dumont

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to Santos Dumont (SDU). 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 6 August 2026.

Round-trip from

£297

One-way from

£137

Popular in

June

Cheapest in

August

Average price

£137
LATAM Airlines
  • LATAM Airlines
  • 29/1-13/2
  • 4 total stops
  • 27h 55m total
  • Buenos Aires to Rio de Janeiro
Search Deals
LATAM Airlines
  • LATAM Airlines
  • 19/10
  • 1 total stop
  • 6h 15m total
  • Buenos Aires to Rio de Janeiro
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Buenos Aires to Santos Dumont 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 6 August 2026.
Use the filters below to find and compare flights from Buenos Aires to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Buenos AiresRio de Janeiro

AEP Buenos Aires Jorge Newbery - SDU Rio de Janeiro Santos Dumont

AEPSDU

Buenos Aires Jorge Newbery

Sun 22/11

03:30-10:30

1 stop7h 00m

Rio de Janeiro Santos Dumont

Sun 29/11

17:40-13:00

1 stop19h 20m

£397

Buenos AiresRio de Janeiro

AEP Buenos Aires Jorge Newbery - SDU Rio de Janeiro Santos Dumont

AEPSDU

Buenos Aires Jorge Newbery

Sat 29/8

03:40-14:10

1 stop10h 30m

Rio de Janeiro Santos Dumont

Thu 10/9

20:55-13:00

1 stop16h 05m

£403

Buenos AiresRio de Janeiro

AEP Buenos Aires Jorge Newbery - SDU Rio de Janeiro Santos Dumont

AEPSDU

Buenos Aires Jorge Newbery

Thu 27/8

03:40-16:30

1 stop12h 50m

Rio de Janeiro Santos Dumont

Sat 5/9

13:40-13:00

1 stop23h 20m

£403

Buenos AiresRio de Janeiro

AEP Buenos Aires Jorge Newbery - SDU Rio de Janeiro Santos Dumont

AEPSDU

Buenos Aires Jorge Newbery

Tue 1/9

03:40-12:25

1 stop8h 45m

Rio de Janeiro Santos Dumont

Sun 6/9

09:55-13:00

1 stop27h 05m

£408

Buenos AiresRio de Janeiro

AEP Buenos Aires Jorge Newbery - SDU Rio de Janeiro Santos Dumont

AEPSDU

Buenos Aires Jorge Newbery

Sun 18/10

03:40-12:25

1 stop8h 45m

Rio de Janeiro Santos Dumont

Mon 26/10

06:00-13:00

1 stop7h 00m

£414

Buenos AiresRio de Janeiro

AEP Buenos Aires Jorge Newbery - SDU Rio de Janeiro Santos Dumont

AEPSDU

Buenos Aires Jorge Newbery

Tue 15/9

03:40-16:30

1 stop12h 50m

Rio de Janeiro Santos Dumont

Sat 26/9

15:30-13:00

1 stop21h 30m

£414

Buenos AiresRio de Janeiro

AEP Buenos Aires Jorge Newbery - SDU Rio de Janeiro Santos Dumont

AEPSDU

Buenos Aires Jorge Newbery

Tue 1/9

03:40-14:10

1 stop10h 30m

Rio de Janeiro Santos Dumont

Wed 9/9

06:05-13:00

1 stop6h 55m

£417
Fastest return journey

Buenos AiresRio de Janeiro

AEP Buenos Aires Jorge Newbery - SDU Rio de Janeiro Santos Dumont

AEPSDU

Buenos Aires Jorge Newbery

Sun 13/9

03:40-10:45

1 stop7h 05m

Rio de Janeiro Santos Dumont

Wed 23/9

06:05-13:00

1 stop6h 55m

£418

Buenos AiresRio de Janeiro

EZE Buenos Aires Ministro Pistarini - SDU Rio de Janeiro Santos Dumont

EZESDU

Buenos Aires Ministro Pistarini

Sat 26/9

23:55-08:35

1 stop8h 40m

Rio de Janeiro Santos Dumont

Sat 3/10

13:55-22:25

1 stop8h 30m

£442

Buenos AiresRio de Janeiro

EZE Buenos Aires Ministro Pistarini - SDU Rio de Janeiro Santos Dumont

EZESDU

Buenos Aires Ministro Pistarini

Tue 1/9

23:55-08:35

1 stop8h 40m

Rio de Janeiro Santos Dumont

Fri 25/9

13:55-22:25

1 stop8h 30m

£565

Flights are sorted by cheapest return flights first.

Deals found on 3/8

Showing 1-10 of 31 resultsSorted by cheapest first
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Best time to book a flight from Buenos Aires to Santos Dumont

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

What is the cheapest month to book a flight from Buenos Aires to Rio de Janeiro Santos Dumont Airport?

Currently, August is the cheapest month in which you can book a flight from Buenos Aires to Rio de Janeiro Santos Dumont Airport (average of £137). Flying from Buenos Aires to Rio de Janeiro Santos Dumont Airport in June is currently the most expensive (average of £539). 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.

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires to Santos Dumont. 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 Buenos Aires to Rio de Janeiro Santos Dumont Airport?

    Airlines like GOL and Turkish Airlines fly from Buenos Aires to Rio de Janeiro Santos Dumont Airport in about 7h. The time it takes to get you to your destination can typically vary by up to 1h 40m. The distance from Buenos Aires to Rio de Janeiro Santos Dumont Airport is about 1222 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Buenos Aires to Rio de Janeiro Santos Dumont Airport (average of £137). Flying from Buenos Aires to Rio de Janeiro Santos Dumont Airport in June is currently the most expensive (average of £539). 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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How does Cheapflights help users find flights from Buenos Aires to Santos Dumont?

Cheapflights makes it easy to find Buenos Aires to Santos Dumont flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Buenos Aires to Santos Dumont for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Santos Dumont from Buenos Aires? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Buenos Aires to Santos Dumont 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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