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Cheap flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires from $136

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 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
GOL Logo
8:45 pm - 8:00 am
SDU
-
AEP
35h 15m
2 stops
GOL Logo
10:25 pm - 8:50 am
AEP
-
SDU
34h 25m
2 stops
$374GOL
Thu, Jun 11 - Mon, Jun 15
LATAM Airlines Logo
1:55 pm - 1:00 am
SDU
-
EZE
11h 05m
1 stop
LATAM Airlines Logo
2:20 am - 1:10 pm
EZE
-
SDU
10h 50m
1 stop
$378LATAM Airlines
Tue, May 5 - Mon, May 11
LATAM Airlines Logo
1:55 pm - 7:50 pm
SDU
-
AEP
5h 55m
1 stop
LATAM Airlines Logo
9:45 pm - 1:10 pm
AEP
-
SDU
15h 25m
1 stop
$378LATAM Airlines
Wed, May 6 - Wed, May 13
LATAM Airlines Logo
8:45 am - 5:00 pm
SDU
-
AEP
8h 15m
1 stop
LATAM Airlines Logo
10:35 am - 6:45 pm
AEP
-
SDU
8h 10m
1 stop
$381LATAM Airlines
Tue, Apr 21 - Tue, Apr 28
LATAM Airlines Logo
7:35 am - 3:45 pm
SDU
-
EZE
8h 10m
1 stop
LATAM Airlines Logo
2:20 am - 8:35 am
EZE
-
SDU
6h 15m
1 stop
$383LATAM Airlines
Sun, Sep 13 - Wed, Sep 23
LATAM Airlines Logo
8:15 pm - 8:00 pm
SDU
-
AEP
23h 45m
1 stop
LATAM Airlines Logo
9:45 pm - 8:35 am
AEP
-
SDU
10h 50m
1 stop
$388LATAM Airlines
Fri, Jun 5 - Thu, Jun 11
LATAM Airlines Logo
8:15 pm - 2:00 pm
SDU
-
AEP
17h 45m
1 stop
LATAM Airlines Logo
9:45 pm - 1:10 pm
AEP
-
SDU
15h 25m
1 stop
$391LATAM Airlines
Sun, Sep 13 - Thu, Sep 24
LATAM Airlines Logo
9:20 pm - 2:00 pm
SDU
-
AEP
16h 40m
2 stops
LATAM Airlines Logo
10:00 am - 5:05 pm
AEP
-
SDU
7h 05m
2 stops
$394LATAM Airlines
Wed, Apr 8 - Wed, Apr 15
LATAM Airlines Logo
1:55 pm - 8:00 pm
SDU
-
AEP
6h 05m
1 stop
LATAM Airlines Logo
9:45 pm - 8:35 am
AEP
-
SDU
10h 50m
1 stop
$397LATAM Airlines
Thu, Jun 11 - Thu, Jun 18
GOL Logo
9:55 am - 7:30 pm
SDU
-
AEP
33h 35m
2 stops
GOL Logo
8:30 pm - 10:55 am
AEP
-
SDU
14h 25m
2 stops
$410GOL
Wed, Jul 8 - Sun, Jul 12

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
May 5
SDU1:55 pmRio de Janeiro Santos Dumont
11h 05m
1 stop
EZE1:00 amBuenos Aires Ministro Pistarini
May 11
EZE2:20 amBuenos Aires Ministro Pistarini
10h 50m
1 stop
SDU1:10 pmRio de Janeiro Santos Dumont
$378
LATAM Airlines
Apr 21
SDU8:45 amRio de Janeiro Santos Dumont
8h 15m
1 stop
AEP5:00 pmBuenos Aires Jorge Newbery
Apr 28
AEP10:35 amBuenos Aires Jorge Newbery
8h 10m
1 stop
SDU6:45 pmRio de Janeiro Santos Dumont
$381
LATAM Airlines
Sep 13
SDU7:35 amRio de Janeiro Santos Dumont
8h 10m
1 stop
EZE3:45 pmBuenos Aires Ministro Pistarini
Sep 23
EZE2:20 amBuenos Aires Ministro Pistarini
6h 15m
1 stop
SDU8:35 amRio de Janeiro Santos Dumont
$383

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

Our best Turkish Airlines deals on Rio de Janeiro Santos Dumont Airport to Buenos Aires flight tickets
Turkish Airlines
Jun 11
SDU1:55 pmRio de Janeiro Santos Dumont
8h 30m
1 stop
EZE10:25 pmBuenos Aires Ministro Pistarini
Jun 17
EZE11:55 pmBuenos Aires Ministro Pistarini
8h 40m
1 stop
SDU8:35 amRio de Janeiro Santos Dumont
$581
Turkish Airlines
Jun 2
SDU1:55 pmRio de Janeiro Santos Dumont
8h 30m
1 stop
EZE10:25 pmBuenos Aires Ministro Pistarini
Jun 13
EZE11:55 pmBuenos Aires Ministro Pistarini
8h 40m
1 stop
SDU8:35 amRio de Janeiro Santos Dumont
$593
Turkish Airlines
Aug 4
SDU1:55 pmRio de Janeiro Santos Dumont
8h 30m
1 stop
EZE10:25 pmBuenos Aires Ministro Pistarini
Aug 10
EZE11:55 pmBuenos Aires Ministro Pistarini
8h 40m
1 stop
SDU8:35 amRio de Janeiro Santos Dumont
$596

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 March 25, 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

Cheapest round-trip

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Thu 6/11

8:45 pm-8:00 am

2 stops35h 15m

Buenos Aires Jorge Newbery

Mon 6/15

10:25 pm-8:50 am

2 stops34h 25m

$374

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Tue 5/5

1:55 pm-1:00 am

1 stop11h 05m

Buenos Aires Ministro Pistarini

Mon 5/11

2:20 am-1:10 pm

1 stop10h 50m

$378

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Wed 5/6

1:55 pm-7:50 pm

1 stop5h 55m

Buenos Aires Jorge Newbery

Wed 5/13

9:45 pm-1:10 pm

1 stop15h 25m

$378

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Tue 4/21

8:45 am-5:00 pm

1 stop8h 15m

Buenos Aires Jorge Newbery

Tue 4/28

10:35 am-6:45 pm

1 stop8h 10m

$381
Quickest round-trip

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Sun 9/13

7:35 am-3:45 pm

1 stop8h 10m

Buenos Aires Ministro Pistarini

Wed 9/23

2:20 am-8:35 am

1 stop6h 15m

$383

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Fri 6/5

8:15 pm-8:00 pm

1 stop23h 45m

Buenos Aires Jorge Newbery

Thu 6/11

9:45 pm-8:35 am

1 stop10h 50m

$388

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Sun 9/13

8:15 pm-2:00 pm

1 stop17h 45m

Buenos Aires Jorge Newbery

Thu 9/24

9:45 pm-1:10 pm

1 stop15h 25m

$391

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Wed 4/8

9:20 pm-2:00 pm

2 stops16h 40m

Buenos Aires Jorge Newbery

Wed 4/15

10:00 am-5:05 pm

2 stops7h 05m

$394

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Thu 6/11

1:55 pm-8:00 pm

1 stop6h 05m

Buenos Aires Jorge Newbery

Thu 6/18

9:45 pm-8:35 am

1 stop10h 50m

$397

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Wed 7/8

9:55 am-7:30 pm

2 stops33h 35m

Buenos Aires Jorge Newbery

Sun 7/12

8:30 pm-10:55 am

2 stops14h 25m

$410

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 Tuesday. momondo users have found tickets for Tuesday 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 $361.

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 $226. Try not to purchase tickets at noon because they tend to be around $416. 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