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Cheap flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires from $104

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 5/13. 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

Enter your travel dates to find the best prices.
LATAM Airlines Logo
8:20 pm - 9:40 am
SDU
-
AEP
13h 20m1 stop
LATAM Airlines Logo
10:55 pm - 7:25 am
AEP
-
SDU
8h 30m1 stop
$301LATAM Airlines
Mon, Mar 23 - Fri, Apr 10
LATAM Airlines Logo
5:40 pm - 3:05 am
SDU
-
EZE
9h 25m1 stop
LATAM Airlines Logo
2:25 am - 1:10 pm
EZE
-
SDU
10h 45m1 stop
$359LATAM Airlines
Mon, Mar 23 - Thu, Apr 9
Multiple Airlines Logo
1:55 pm - 9:00 pm
SDU
-
AEP
7h 05m1 stop
Multiple Airlines Logo
4:50 am - 10:50 am
AEP
-
SDU
6h 00m2 stops
$365Multiple Airlines
Sun, Apr 19 - Sat, Apr 25
LATAM Airlines Logo
1:55 pm - 9:30 pm
SDU
-
AEP
7h 35m1 stop
LATAM Airlines Logo
10:55 pm - 8:35 am
AEP
-
SDU
9h 40m1 stop
$390LATAM Airlines
Sun, Apr 19 - Sat, Apr 25
Multiple Airlines Logo
6:15 am - 10:55 pm
SDU
-
EZE
16h 40m2 stops
Multiple Airlines Logo
6:00 pm - 12:40 pm
EZE
-
SDU
18h 40m2 stops
$400Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
GOL Logo
9:35 am - 3:20 am
SDU
-
AEP
41h 45m2 stops
GOL Logo
8:30 pm - 8:55 am
AEP
-
SDU
36h 25m2 stops
$409GOL
Fri, Mar 6 - Fri, Mar 13
GOL Logo
9:35 am - 12:45 pm
SDU
-
EZE
27h 10m1 stop
GOL Logo
3:30 am - 9:50 am
EZE
-
SDU
30h 20m2 stops
$419GOL
Wed, Jan 7 - Fri, Jan 9
Multiple Airlines Logo
5:40 pm - 12:20 pm
SDU
-
EZE
18h 40m1 stop
Multiple Airlines Logo
2:25 am - 8:35 am
EZE
-
SDU
6h 10m1 stop
$420Multiple Airlines
Wed, Jun 3 - Tue, Jun 9
GOL Logo
8:25 pm - 12:45 pm
SDU
-
EZE
16h 20m1 stop
GOL Logo
3:00 am - 10:45 am
EZE
-
SDU
7h 45m1 stop
$421GOL
Wed, Feb 18 - Thu, Feb 19
LATAM Airlines Logo
1:55 pm - 9:30 pm
SDU
-
AEP
7h 35m1 stop
LATAM Airlines Logo
10:55 pm - 8:35 am
AEP
-
SDU
9h 40m1 stop
$423LATAM Airlines
Wed, Jun 3 - Wed, Jun 10

LATAM Airlines flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires

Our best LATAM Airlines deals on Rio de Janeiro Santos Dumont Airport to Buenos Aires flight tickets
LATAM Airlines
Mar 23
SDU8:20 pmRio de Janeiro Santos Dumont
13h 20m
1 stop
AEP9:40 amBuenos Aires Jorge Newbery
Apr 10
AEP10:55 pmBuenos Aires Jorge Newbery
8h 30m
1 stop
SDU7:25 amRio de Janeiro Santos Dumont
$301
Find similar
LATAM Airlines
Mar 23
SDU5:40 pmRio de Janeiro Santos Dumont
9h 25m
1 stop
EZE3:05 amBuenos Aires Ministro Pistarini
Apr 9
EZE2:25 amBuenos Aires Ministro Pistarini
10h 45m
1 stop
SDU1:10 pmRio de Janeiro Santos Dumont
$359
Find similar
LATAM Airlines
Apr 19
SDU1:55 pmRio de Janeiro Santos Dumont
7h 35m
1 stop
AEP9:30 pmBuenos Aires Jorge Newbery
Apr 25
AEP10:55 pmBuenos Aires Jorge Newbery
9h 40m
1 stop
SDU8:35 amRio de Janeiro Santos Dumont
$390
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
Mar 6
SDU9:35 amRio de Janeiro Santos Dumont
41h 45m
2 stops
AEP3:20 amBuenos Aires Jorge Newbery
Mar 13
AEP8:30 pmBuenos Aires Jorge Newbery
36h 25m
2 stops
SDU8:55 amRio de Janeiro Santos Dumont
$409
Find similar
GOL
Jan 7
SDU9:35 amRio de Janeiro Santos Dumont
27h 10m
1 stop
EZE12:45 pmBuenos Aires Ministro Pistarini
Jan 9
EZE3:30 amBuenos Aires Ministro Pistarini
30h 20m
2 stops
SDU9:50 amRio de Janeiro Santos Dumont
$419
Find similar
GOL
Feb 18
SDU8:25 pmRio de Janeiro Santos Dumont
16h 20m
1 stop
EZE12:45 pmBuenos Aires Ministro Pistarini
Feb 19
EZE3:00 amBuenos Aires Ministro Pistarini
7h 45m
1 stop
SDU10:45 amRio de Janeiro Santos Dumont
$421
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 December 21, 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

Mon 3/23

8:20 pm-9:40 am

1 stop13h 20m

Buenos Aires Jorge Newbery

Fri 4/10

10:55 pm-7:25 am

1 stop8h 30m

$301

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Mon 3/23

5:40 pm-3:05 am

1 stop9h 25m

Buenos Aires Ministro Pistarini

Thu 4/9

2:25 am-1:10 pm

1 stop10h 45m

$359

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Sun 4/19

1:55 pm-9:00 pm

1 stop7h 05m

Buenos Aires Jorge Newbery

Sat 4/25

4:50 am-10:50 am

2 stops6h 00m

$365

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Sun 4/19

1:55 pm-9:30 pm

1 stop7h 35m

Buenos Aires Jorge Newbery

Sat 4/25

10:55 pm-8:35 am

1 stop9h 40m

$390

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Tue 2/3

6:15 am-10:55 pm

2 stops16h 40m

Buenos Aires Ministro Pistarini

Tue 2/10

6:00 pm-12:40 pm

2 stops18h 40m

$400

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Fri 3/6

9:35 am-3:20 am

2 stops41h 45m

Buenos Aires Jorge Newbery

Fri 3/13

8:30 pm-8:55 am

2 stops36h 25m

$409

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Wed 1/7

9:35 am-12:45 pm

1 stop27h 10m

Buenos Aires Ministro Pistarini

Fri 1/9

3:30 am-9:50 am

2 stops30h 20m

$419

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Wed 6/3

5:40 pm-12:20 pm

1 stop18h 40m

Buenos Aires Ministro Pistarini

Tue 6/9

2:25 am-8:35 am

1 stop6h 10m

$420

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Wed 2/18

8:25 pm-12:45 pm

1 stop16h 20m

Buenos Aires Ministro Pistarini

Thu 2/19

3:00 am-10:45 am

1 stop7h 45m

$421

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Wed 6/3

1:55 pm-9:30 pm

1 stop7h 35m

Buenos Aires Jorge Newbery

Wed 6/10

10:55 pm-8:35 am

1 stop9h 40m

$423

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $260. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Sunday is $335.

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 $218. Try not to purchase tickets at noon because they tend to be around $321. 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

Fastest flight time

6h 30m

Direct flights

None
The fastest flight from Rio de Janeiro Santos Dumont Airport to Buenos Aires takes 6h 30m
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 6h 30m.

  • 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