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Cheap flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires from $133

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 3/18. 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 - 11:30 am
SDU
-
EZE
15h 10m
2 stops
LATAM Airlines Logo
11:30 am - 7:20 am
EZE
-
SDU
19h 50m
2 stops
$362LATAM Airlines
Mon, Apr 20 - Sun, Apr 26
LATAM Airlines Logo
7:10 am - 5:00 pm
SDU
-
AEP
9h 50m
1 stop
LATAM Airlines Logo
3:45 pm - 7:20 am
AEP
-
SDU
15h 35m
2 stops
$372LATAM Airlines
Mon, Apr 20 - Sun, Apr 26
LATAM Airlines Logo
9:20 pm - 1:00 am
SDU
-
EZE
27h 40m
2 stops
LATAM Airlines Logo
2:20 am - 1:10 pm
EZE
-
SDU
10h 50m
1 stop
$375LATAM Airlines
Mon, Jun 15 - Sat, Jun 20
LATAM Airlines Logo
7:50 pm - 9:40 am
SDU
-
AEP
13h 50m
1 stop
LATAM Airlines Logo
4:55 pm - 7:20 am
AEP
-
SDU
14h 25m
1 stop
$382LATAM Airlines
Fri, Jun 26 - Tue, Jun 30
LATAM Airlines Logo
8:20 pm - 11:30 am
SDU
-
EZE
15h 10m
2 stops
LATAM Airlines Logo
2:25 am - 10:15 am
EZE
-
SDU
7h 50m
1 stop
$412LATAM Airlines
Mon, Apr 20 - Sat, Apr 25
GOL Logo
6:00 am - 1:00 pm
SDU
-
AEP
7h 00m
1 stop
GOL Logo
3:40 am - 2:20 pm
AEP
-
SDU
10h 40m
1 stop
$417GOL
Wed, Apr 8 - Sat, Apr 11
LATAM Airlines Logo
2:00 pm - 2:55 am
SDU
-
EZE
12h 55m
1 stop
LATAM Airlines Logo
2:25 am - 1:10 pm
EZE
-
SDU
10h 45m
1 stop
$417LATAM Airlines
Mon, Mar 23 - Mon, Mar 30
GOL Logo
6:00 am - 1:00 pm
SDU
-
AEP
7h 00m
1 stop
GOL Logo
9:00 am - 10:25 pm
AEP
-
SDU
13h 25m
2 stops
$440GOL
Mon, Jul 20 - Sat, Jul 25
GOL Logo
7:05 pm - 1:20 pm
SDU
-
AEP
18h 15m
2 stops
GOL Logo
3:15 am - 4:40 pm
AEP
-
SDU
13h 25m
2 stops
$445GOL
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
6:50 am - 11:00 pm
SDU
-
EZE
16h 10m
2 stops
Multiple Airlines Logo
6:05 pm - 4:00 pm
EZE
-
SDU
21h 55m
2 stops
$455Multiple Airlines
Fri, Mar 6 - Fri, Mar 13

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
Apr 8
SDU6:00 amRio de Janeiro Santos Dumont
7h 00m
1 stop
AEP1:00 pmBuenos Aires Jorge Newbery
Apr 11
AEP3:40 amBuenos Aires Jorge Newbery
10h 40m
1 stop
SDU2:20 pmRio de Janeiro Santos Dumont
$417
GOL
Jul 20
SDU6:00 amRio de Janeiro Santos Dumont
7h 00m
1 stop
AEP1:00 pmBuenos Aires Jorge Newbery
Jul 25
AEP9:00 amBuenos Aires Jorge Newbery
13h 25m
2 stops
SDU10:25 pmRio de Janeiro Santos Dumont
$440
GOL
Mar 24
SDU7:05 pmRio de Janeiro Santos Dumont
18h 15m
2 stops
AEP1:20 pmBuenos Aires Jorge Newbery
Mar 31
AEP3:15 amBuenos Aires Jorge Newbery
13h 25m
2 stops
SDU4:40 pmRio de Janeiro Santos Dumont
$445

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
Apr 20
SDU8:20 pmRio de Janeiro Santos Dumont
15h 10m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
Apr 26
EZE11:30 amBuenos Aires Ministro Pistarini
19h 50m
2 stops
SDU7:20 amRio de Janeiro Santos Dumont
$362
LATAM Airlines
Apr 20
SDU7:10 amRio de Janeiro Santos Dumont
9h 50m
1 stop
AEP5:00 pmBuenos Aires Jorge Newbery
Apr 26
AEP3:45 pmBuenos Aires Jorge Newbery
15h 35m
2 stops
SDU7:20 amRio de Janeiro Santos Dumont
$372
LATAM Airlines
Jun 15
SDU9:20 pmRio de Janeiro Santos Dumont
27h 40m
2 stops
EZE1:00 amBuenos Aires Ministro Pistarini
Jun 20
EZE2:20 amBuenos Aires Ministro Pistarini
10h 50m
1 stop
SDU1:10 pmRio de Janeiro Santos Dumont
$375

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 February 4, 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

Fly to

Route

Depart

Return

Price

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Mon 4/20

8:20 pm-11:30 am

2 stops15h 10m

Buenos Aires Ministro Pistarini

Sun 4/26

11:30 am-7:20 am

2 stops19h 50m

$362

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Mon 4/20

7:10 am-5:00 pm

1 stop9h 50m

Buenos Aires Jorge Newbery

Sun 4/26

3:45 pm-7:20 am

2 stops15h 35m

$372

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Mon 6/15

9:20 pm-1:00 am

2 stops27h 40m

Buenos Aires Ministro Pistarini

Sat 6/20

2:20 am-1:10 pm

1 stop10h 50m

$375

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Fri 6/26

7:50 pm-9:40 am

1 stop13h 50m

Buenos Aires Jorge Newbery

Tue 6/30

4:55 pm-7:20 am

1 stop14h 25m

$382

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Mon 4/20

8:20 pm-11:30 am

2 stops15h 10m

Buenos Aires Ministro Pistarini

Sat 4/25

2:25 am-10:15 am

1 stop7h 50m

$412

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-2:20 pm

1 stop10h 40m

$417

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Mon 3/23

2:00 pm-2:55 am

1 stop12h 55m

Buenos Aires Ministro Pistarini

Mon 3/30

2:25 am-1:10 pm

1 stop10h 45m

$417

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Mon 7/20

6:00 am-1:00 pm

1 stop7h 00m

Buenos Aires Jorge Newbery

Sat 7/25

9:00 am-10:25 pm

2 stops13h 25m

$440

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Tue 3/24

7:05 pm-1:20 pm

2 stops18h 15m

Buenos Aires Jorge Newbery

Tue 3/31

3:15 am-4:40 pm

2 stops13h 25m

$445

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Fri 3/6

6:50 am-11:00 pm

2 stops16h 10m

Buenos Aires Ministro Pistarini

Fri 3/13

6:05 pm-4:00 pm

2 stops21h 55m

$455

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 $263. 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 $362.

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 $219. 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 05m

Direct flights

None
The fastest flight from Rio de Janeiro Santos Dumont Airport to Buenos Aires takes 6h 05m
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 05m.

  • 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