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Cheap flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires from $85

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 10/7. 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

LATAM Airlines Logo
8:45 am - 5:00 pmSDU-AEP
8h 15m1 stop
LATAM Airlines Logo
10:55 pm - 7:20 amAEP-SDU
8h 25m1 stop
$242LATAM Airlines
Find Deal
Sat, Sep 27 - Thu, Oct 23
Logo
9:00 am - 6:35 pmSDU-AEP
9h 35m1 stop
Logo
6:20 pm - 7:45 amAEP-SDU
13h 25m1 stop
$290
Find Deal
Fri, Nov 7 - Sun, Nov 9
Logo
7:05 am - 5:00 pmSDU-AEP
9h 55m1 stop
Logo
12:05 am - 9:50 amAEP-SDU
9h 45m1 stop
$295
Find Deal
Fri, Nov 14 - Fri, Nov 21
LATAM Airlines Logo
8:05 pm - 6:43 pmSDU-EZE
22h 38m2 stops
LATAM Airlines Logo
7:10 am - 1:15 pmEZE-SDU
6h 05m1 stop
$298LATAM Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
Logo
9:20 pm - 6:40 amSDU-AEP
9h 20m1 stop
Logo
3:00 am - 11:15 amAEP-SDU
8h 15m1 stop
$299
Find Deal
Mon, Aug 25 - Sat, Aug 30
LATAM Airlines Logo
8:40 pm - 6:43 pmSDU-EZE
22h 03m2 stops
LATAM Airlines Logo
9:55 pm - 7:15 amEZE-SDU
9h 20m1 stop
$320LATAM Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
Logo
8:00 am - 5:20 pmSDU-AEP
9h 20m1 stop
Logo
9:00 am - 5:10 pmAEP-SDU
8h 10m1 stop
$325
Find Deal
Thu, Sep 11 - Thu, Sep 18
GOL Logo
5:40 pm - 9:20 amSDU-AEP
15h 40m2 stops
GOL Logo
8:30 pm - 9:15 amAEP-SDU
12h 45m2 stops
$388GOL
Find Deal
Sun, Sep 7 - Tue, Sep 9
GOL Logo
7:55 am - 7:30 pmSDU-AEP
11h 35m2 stops
GOL Logo
9:00 am - 7:25 pmAEP-SDU
10h 25m2 stops
$390GOL
Find Deal
Thu, Sep 11 - Thu, Sep 18
GOL Logo
6:10 am - 1:20 pmSDU-AEP
7h 10m1 stop
GOL Logo
3:40 am - 4:50 pmAEP-SDU
13h 10m1 stop
$399GOL
Find Deal
Sun, Aug 17 - Tue, Aug 26

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
Sep 27
SDU8:45 amRio de Janeiro Santos Dumont
8h 15m
1 stop
AEP5:00 pmBuenos Aires Jorge Newbery
Oct 23
AEP10:55 pmBuenos Aires Jorge Newbery
8h 25m
1 stop
SDU7:20 amRio de Janeiro Santos Dumont
$242
Find similar
LATAM Airlines
Nov 6
SDU8:05 pmRio de Janeiro Santos Dumont
22h 38m
2 stops
EZE6:43 pmBuenos Aires Ministro Pistarini
Nov 9
EZE7:10 amBuenos Aires Ministro Pistarini
6h 05m
1 stop
SDU1:15 pmRio de Janeiro Santos Dumont
$298
Find similar
LATAM Airlines
Nov 7
SDU8:40 pmRio de Janeiro Santos Dumont
22h 03m
2 stops
EZE6:43 pmBuenos Aires Ministro Pistarini
Nov 9
EZE9:55 pmBuenos Aires Ministro Pistarini
9h 20m
1 stop
SDU7:15 amRio de Janeiro Santos Dumont
$320
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
Sep 7
SDU5:40 pmRio de Janeiro Santos Dumont
15h 40m
2 stops
AEP9:20 amBuenos Aires Jorge Newbery
Sep 9
AEP8:30 pmBuenos Aires Jorge Newbery
12h 45m
2 stops
SDU9:15 amRio de Janeiro Santos Dumont
$388
Find similar
GOL
Sep 11
SDU7:55 amRio de Janeiro Santos Dumont
11h 35m
2 stops
AEP7:30 pmBuenos Aires Jorge Newbery
Sep 18
AEP9:00 amBuenos Aires Jorge Newbery
10h 25m
2 stops
SDU7:25 pmRio de Janeiro Santos Dumont
$390
Find similar
GOL
Aug 17
SDU6:10 amRio de Janeiro Santos Dumont
7h 10m
1 stop
AEP1:20 pmBuenos Aires Jorge Newbery
Aug 26
AEP3:40 amBuenos Aires Jorge Newbery
13h 10m
1 stop
SDU4:50 pmRio de Janeiro Santos Dumont
$399
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 August 2, 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

Sat 9/27

8:45 am-5:00 pm

1 stop8h 15m

Buenos Aires Jorge Newbery

Thu 10/23

10:55 pm-7:20 am

1 stop8h 25m

$242

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Fri 11/7

9:00 am-6:35 pm

1 stop9h 35m

Buenos Aires Jorge Newbery

Sun 11/9

6:20 pm-7:45 am

1 stop13h 25m

$290

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Fri 11/14

7:05 am-5:00 pm

1 stop9h 55m

Buenos Aires Jorge Newbery

Fri 11/21

12:05 am-9:50 am

1 stop9h 45m

$295

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Thu 11/6

8:05 pm-6:43 pm

2 stops22h 38m

Buenos Aires Ministro Pistarini

Sun 11/9

7:10 am-1:15 pm

1 stop6h 05m

$298

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Mon 8/25

9:20 pm-6:40 am

1 stop9h 20m

Buenos Aires Jorge Newbery

Sat 8/30

3:00 am-11:15 am

1 stop8h 15m

$299

Rio de JaneiroBuenos Aires

SDU - EZE

SDUEZE

Rio de Janeiro Santos Dumont

Fri 11/7

8:40 pm-6:43 pm

2 stops22h 03m

Buenos Aires Ministro Pistarini

Sun 11/9

9:55 pm-7:15 am

1 stop9h 20m

$320

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Thu 9/11

8:00 am-5:20 pm

1 stop9h 20m

Buenos Aires Jorge Newbery

Thu 9/18

9:00 am-5:10 pm

1 stop8h 10m

$325

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Sun 9/7

5:40 pm-9:20 am

2 stops15h 40m

Buenos Aires Jorge Newbery

Tue 9/9

8:30 pm-9:15 am

2 stops12h 45m

$388

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Thu 9/11

7:55 am-7:30 pm

2 stops11h 35m

Buenos Aires Jorge Newbery

Thu 9/18

9:00 am-7:25 pm

2 stops10h 25m

$390

Rio de JaneiroBuenos Aires

SDU - AEP

SDUAEP

Rio de Janeiro Santos Dumont

Sun 8/17

6:10 am-1:20 pm

1 stop7h 10m

Buenos Aires Jorge Newbery

Tue 8/26

3:40 am-4:50 pm

1 stop13h 10m

$399

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $275. 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 $340.

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 morning. Flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires during this time can be as low as $289. Try not to purchase tickets in the afternoon because they tend to be around $348. 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

Best Price Found

$85

Fastest flight time

5h 55m

Direct flights

None

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from Rio de Janeiro Santos Dumont Airport in the past 72 hours is $85. The best round-trip flight deal from Rio de Janeiro Santos Dumont Airport to Buenos Aires found on momondo in the last 72 hours is $242.
The fastest flight from Rio de Janeiro Santos Dumont Airport to Buenos Aires takes 5h 55m
There are no direct flights from Rio de Janeiro Santos Dumont Airport to Buenos Aires. Popular non-direct routes for this connection are Rio de Janeiro Santos Dumont Airport - Buenos Aires Jorge Newbery Airport and Rio de Janeiro Santos Dumont Airport - Buenos Aires Ministro Pistarini Airport.
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)
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  • 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