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Cheap flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rio de Janeiro Santos Dumont Airport to Buenos Aires departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires

Cheap round-trip flights

Multiple Airlines Logo
9:35 am - 2:20 amSDU-AEP
16h 45m2 stops
Multiple Airlines Logo
10:55 pm - 9:35 amAEP-SDU
10h 40m1 stop
$326Multiple Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
LATAM Airlines Logo
2:00 pm - 1:00 amSDU-EZE
11h 00m1 stop
LATAM Airlines Logo
7:10 am - 1:15 pmEZE-SDU
6h 05m1 stop
$349LATAM Airlines
Find Deal
Fri, Nov 21 - Thu, Nov 27
LATAM Airlines Logo
2:20 pm - 9:30 pmSDU-AEP
7h 10m1 stop
LATAM Airlines Logo
10:55 pm - 9:35 amAEP-SDU
10h 40m1 stop
$365LATAM Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Multiple Airlines Logo
2:00 pm - 11:40 pmSDU-AEP
9h 40m1 stop
Multiple Airlines Logo
12:05 am - 1:15 pmAEP-SDU
13h 10m1 stop
$371Multiple Airlines
Find Deal
Fri, Nov 21 - Wed, Nov 26
GOL Logo
9:35 am - 2:20 amSDU-AEP
16h 45m2 stops
GOL Logo
3:40 am - 10:40 amAEP-SDU
7h 00m1 stop
$373GOL
Find Deal
Fri, Oct 17 - Sun, Oct 19
Multiple Airlines Logo
8:10 am - 10:25 pmSDU-EZE
14h 15m1 stop
Multiple Airlines Logo
11:55 pm - 7:35 amEZE-SDU
7h 40m1 stop
$376Multiple Airlines
Find Deal
Fri, Oct 24 - Mon, Nov 10
Multiple Airlines Logo
8:10 am - 10:25 pmSDU-EZE
14h 15m1 stop
Multiple Airlines Logo
11:55 pm - 10:25 pmEZE-SDU
22h 30m2 stops
$377Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
GOL Logo
9:35 am - 2:20 amSDU-AEP
16h 45m2 stops
GOL Logo
10:20 am - 10:25 pmAEP-SDU
12h 05m2 stops
$378GOL
Find Deal
Fri, Oct 17 - Mon, Oct 20
Ethiopian Air Logo
11:30 am - 8:25 pmSDU-EZE
8h 55m1 stop
Ethiopian Air Logo
9:55 pm - 7:40 amEZE-SDU
9h 45m1 stop
$1,158Ethiopian Air
Find Deal
Sat, Oct 4 - Tue, Oct 7
Ethiopian Air Logo
11:30 am - 8:25 pmSDU-EZE
8h 55m1 stop
Ethiopian Air Logo
9:55 pm - 7:40 amEZE-SDU
9h 45m1 stop
$1,170Ethiopian Air
Find Deal
Tue, Oct 14 - Tue, Oct 21

Ethiopian Air flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires

Our best Ethiopian Air deals on Rio de Janeiro Santos Dumont Airport to Buenos Aires flight tickets
Ethiopian Air
Oct 4
SDU11:30 amRio de Janeiro Santos Dumont
8h 55m
1 stop
EZE8:25 pmBuenos Aires Ministro Pistarini
Oct 7
EZE9:55 pmBuenos Aires Ministro Pistarini
9h 45m
1 stop
SDU7:40 amRio de Janeiro Santos Dumont
$1,158
Find similar
Ethiopian Air
Oct 14
SDU11:30 amRio de Janeiro Santos Dumont
8h 55m
1 stop
EZE8:25 pmBuenos Aires Ministro Pistarini
Oct 21
EZE9:55 pmBuenos Aires Ministro Pistarini
9h 45m
1 stop
SDU7:40 amRio de Janeiro Santos Dumont
$1,170
Find similar
Ethiopian Air
Oct 4
SDU11:30 amRio de Janeiro Santos Dumont
8h 55m
1 stop
EZE8:25 pmBuenos Aires Ministro Pistarini
Oct 7
EZE9:55 pmBuenos Aires Ministro Pistarini
9h 45m
1 stop
SDU7:40 amRio de Janeiro Santos Dumont
$1,171
Find similar

GOL flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires

Our best GOL deals on Rio de Janeiro Santos Dumont Airport to Buenos Aires flight tickets
GOL
Oct 17
SDU9:35 amRio de Janeiro Santos Dumont
16h 45m
2 stops
AEP2:20 amBuenos Aires Jorge Newbery
Oct 19
AEP3:40 amBuenos Aires Jorge Newbery
7h 00m
1 stop
SDU10:40 amRio de Janeiro Santos Dumont
$373
Find similar
GOL
Oct 17
SDU9:35 amRio de Janeiro Santos Dumont
16h 45m
2 stops
AEP2:20 amBuenos Aires Jorge Newbery
Oct 20
AEP10:20 amBuenos Aires Jorge Newbery
12h 05m
2 stops
SDU10:25 pmRio de Janeiro Santos Dumont
$378
Find similar
GOL
Oct 12
SDU9:35 amRio de Janeiro Santos Dumont
16h 45m
2 stops
AEP2:20 amBuenos Aires Jorge Newbery
Oct 19
AEP3:40 amBuenos Aires Jorge Newbery
7h 00m
1 stop
SDU10:40 amRio de Janeiro Santos Dumont
$405
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rio de Janeiro Santos Dumont Airport 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, momondo users made 832,500 searches. Data last updated September 16, 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

Fly to

Route

Depart

Return

Price

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Tue 10/14

9:35 am-2:20 am

2 stops16h 45m

Buenos Aires Jorge Newbery

Tue 10/21

10:55 pm-9:35 am

1 stop10h 40m

$326

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Fri 11/21

2:00 pm-1:00 am

1 stop11h 00m

Buenos Aires Ministro Pistarini

Thu 11/27

7:10 am-1:15 pm

1 stop6h 05m

$349

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Tue 10/14

2:20 pm-9:30 pm

1 stop7h 10m

Buenos Aires Jorge Newbery

Tue 10/21

10:55 pm-9:35 am

1 stop10h 40m

$365

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Fri 11/21

2:00 pm-11:40 pm

1 stop9h 40m

Buenos Aires Jorge Newbery

Wed 11/26

12:05 am-1:15 pm

1 stop13h 10m

$371

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Fri 10/17

9:35 am-2:20 am

2 stops16h 45m

Buenos Aires Jorge Newbery

Sun 10/19

3:40 am-10:40 am

1 stop7h 00m

$373

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Fri 10/24

8:10 am-10:25 pm

1 stop14h 15m

Buenos Aires Ministro Pistarini

Mon 11/10

11:55 pm-7:35 am

1 stop7h 40m

$376

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Thu 10/30

8:10 am-10:25 pm

1 stop14h 15m

Buenos Aires Ministro Pistarini

Thu 11/6

11:55 pm-10:25 pm

2 stops22h 30m

$377

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Fri 10/17

9:35 am-2:20 am

2 stops16h 45m

Buenos Aires Jorge Newbery

Mon 10/20

10:20 am-10:25 pm

2 stops12h 05m

$378

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Sat 10/4

11:30 am-8:25 pm

1 stop8h 55m

Buenos Aires Ministro Pistarini

Tue 10/7

9:55 pm-7:40 am

1 stop9h 45m

$1,158

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Tue 10/14

11:30 am-8:25 pm

1 stop8h 55m

Buenos Aires Ministro Pistarini

Tue 10/21

9:55 pm-7:40 am

1 stop9h 45m

$1,170

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Rio de Janeiro Santos Dumont Airport to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Rio de Janeiro Santos Dumont Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $269. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Saturday is $323.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the evening. Flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires during this time can be as low as $251. Try not to purchase tickets in the afternoon because they tend to be around $333. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Rio de Janeiro Santos Dumont Airport to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rio de Janeiro Santos Dumont Airport to Buenos Aires (SDU to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rio de Janeiro Santos Dumont Airport to Buenos Aires

Direct flights

None
There are no direct flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires. There are no popular flight routes from Rio de Janeiro Santos Dumont Airport to Buenos Aires.
Search flight deals

  • How far is Rio de Janeiro Santos Dumont to Buenos Aires by plane?

    Rio de Janeiro Santos Dumont and Buenos Aires are 1222.3 mi apart from one another. A reasonable flight in good conditions will take 5h 50m.

  • When did momondo last update prices for flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires?

    Prices for flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires refresh daily.

  • How old do you have to be to fly from Rio de Janeiro Santos Dumont Airport to Buenos Aires?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rio de Janeiro Santos Dumont Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Rio de Janeiro to Buenos Aires?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rio de Janeiro to Buenos Aires. momondo saves you time and could save you money on your trip.

Can I find flights from Rio de Janeiro to Buenos Aires with flexible booking policies on momondo?

Yes. All flights to Buenos Aires from Rio de Janeiro on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Rio de Janeiro to Buenos Aires?

momondo provides multiple filters to help you find the best flight to Buenos Aires from Rio de Janeiro. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Rio de Janeiro to Buenos Aires right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Rio de Janeiro to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport