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Cheap flights from Rio de Janeiro, Brazil to Buenos Aires from £82

RIO — BUE
19 Oct — 26 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Rio de Janeiro to Buenos Aires are usually found in June or May, booked 88 days in advance, depart on a Tuesday or Friday and return on a Thursday

Cheap flight deals from Rio de Janeiro to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest flights from Rio de Janeiro to Buenos Aires

Thu 26/1118:00 -
1 stop17h 20m
Fri 27/1115:57 -
Nonstop2h 58m
Deal found 16/9£222
Tue 1/1208:05 -
Nonstop3h 25m
Tue 8/1215:57 -
Nonstop2h 58m
Deal found 14/9£225
Fri 6/1108:05 -
Nonstop3h 25m
Sun 8/1115:17 -
Nonstop2h 58m
Deal found 15/9£230
Tue 1/1210:20 -
Nonstop3h 24m
Tue 8/1206:32 -
Nonstop2h 58m
Deal found 14/9£231
Thu 3/1208:05 -
Nonstop3h 25m
Sun 6/1215:17 -
Nonstop2h 58m
Deal found 14/9£236
Fri 23/1019:15 -
Nonstop3h 25m
Tue 27/1015:55 -
Nonstop2h 55m
Deal found 15/9£236
Wed 4/1108:05 -
Nonstop3h 25m
Wed 4/1122:10 -
1 stop11h 35m
Deal found 15/9£237
Mon 26/1009:20 -
Nonstop3h 28m
Wed 25/1104:15 -
Nonstop3h 00m
Deal found 14/9£237
Thu 5/1108:05 -
Nonstop3h 25m
Tue 10/1115:57 -
Nonstop2h 58m
Deal found 15/9£238
Thu 5/1108:05 -
Nonstop3h 25m
Mon 9/1115:57 -
Nonstop2h 58m
Deal found 14/9£239
Fri 20/1108:05 -
Nonstop3h 25m
Mon 23/1115:57 -
Nonstop2h 58m
Deal found 15/9£240
Thu 10/1213:40 -
Nonstop3h 24m
Tue 15/1212:57 -
Nonstop2h 58m
Deal found 18/9£241

Find flight deals from Rio de Janeiro to Buenos Aires

Round-trip from

£222

One-way from

£82

Popular in

February

Cheapest in

June

Average price

£220
JetSMART
  • JetSMART
  • 26/11-27/11
  • 1 total stop
  • 20h 18m total
  • Rio de Janeiro to Buenos Aires
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JetSMART
  • JetSMART
  • 11/12-31/12
  • Nonstop
  • 3h 24m total
  • Rio de Janeiro to Buenos Aires
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£18 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Rio de Janeiro to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Rio de JaneiroBuenos Aires

GIG Rio de Janeiro–Galeão Intl - EZE Buenos Aires Ministro Pistarini

GIGEZE

Rio de Janeiro–Galeão Intl

Tue 29/12

10:20-13:44

Nonstop3h 24m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-00:00

Nonstop0h 00m

£88
Fastest return journey

Rio de JaneiroBuenos Aires

GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery

GIGAEP

Rio de Janeiro–Galeão Intl

Fri 25/12

06:00-09:20

Nonstop3h 20m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£90

Rio de JaneiroBuenos Aires

GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery

GIGAEP

Rio de Janeiro–Galeão Intl

Tue 20/10

08:05-11:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£94

Rio de JaneiroBuenos Aires

GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery

GIGAEP

Rio de Janeiro–Galeão Intl

Tue 29/12

08:05-11:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£94

Rio de JaneiroBuenos Aires

GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery

GIGAEP

Rio de Janeiro–Galeão Intl

Fri 23/10

19:15-22:40

Nonstop3h 25m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£99

Rio de JaneiroBuenos Aires

GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery

GIGAEP

Rio de Janeiro–Galeão Intl

Thu 15/10

08:05-11:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£102

Rio de JaneiroBuenos Aires

GIG Rio de Janeiro–Galeão Intl - EZE Buenos Aires Ministro Pistarini

GIGEZE

Rio de Janeiro–Galeão Intl

Thu 15/10

13:40-17:08

Nonstop3h 28m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-00:00

Nonstop0h 00m

£102

Rio de JaneiroBuenos Aires

GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery

GIGAEP

Rio de Janeiro–Galeão Intl

Thu 12/11

08:05-11:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£102

Rio de JaneiroBuenos Aires

GIG Rio de Janeiro–Galeão Intl - EZE Buenos Aires Ministro Pistarini

GIGEZE

Rio de Janeiro–Galeão Intl

Sat 24/10

13:40-17:08

Nonstop3h 28m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-00:00

Nonstop0h 00m

£107

Rio de JaneiroBuenos Aires

GIG Rio de Janeiro–Galeão Intl - EZE Buenos Aires Ministro Pistarini

GIGEZE

Rio de Janeiro–Galeão Intl

Thu 11/3

08:25-11:45

Nonstop3h 20m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-00:00

Nonstop0h 00m

£108

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 59 resultsSorted by cheapest first
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Best time to book a flight from Rio de Janeiro to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Rio de Janeiro with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Rio de Janeiro to Buenos Aires

What is the cheapest month to book a flight from Rio de Janeiro to Buenos Aires?

Currently, May is the cheapest month in which you can book a flight from Rio de Janeiro to Buenos Aires (average of £182). Flying from Rio de Janeiro to Buenos Aires in February is currently the most expensive (average of £255). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RIO to BUE?

It’s typically best to fly out from Rio de Janeiro to Buenos Aires in the evening. Doing so could potentially save you 17% on the flight price compared to flying at midday, which is usually more expensive.

Weekly flight availability from Rio de Janeiro to Buenos Aires

The most flights from RIO to BUE are scheduled on a Friday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost for a return flight from Rio de Janeiro to Buenos Aires?

Airfare is typical for this route at the moment.
Rio de Janeiro to Buenos Aires flights typically cost between £182 and £254 in November.
The cheapest return price found within the last 5 days was £222 on JetSMART (26 Nov–27 Nov).

How often are flights from Rio de Janeiro to Buenos Aires delayed?

About 15% of weekly flights between Rio de Janeiro and Buenos Aires have experienced delays in the past year, with the average delay time being 128 minutes.

What is the most punctual flight time for Rio de Janeiro to Buenos Aires flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Rio de Janeiro to Buenos Aires flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 6% of flights being delayed.

How far ahead should I book a flight from Rio de Janeiro to Buenos Aires?

The price you pay for your flight from Rio de Janeiro to Buenos Aires may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

  • How long is the flight from Rio de Janeiro to Buenos Aires?

    Departing from Rio de Janeiro to Buenos Aires will take you 3h 20m. Rio de Janeiro and Buenos Aires are separated by a distance of 1241 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Rio de Janeiro to Buenos Aires?

    Most travelers choose Rio de Janeiro–Galeão Intl - Buenos Aires Ministro Pistarini, Rio de Janeiro–Galeão Intl - Buenos Aires Jorge Newbery or Rio de Janeiro Santos Dumont - Buenos Aires Ministro Pistarini when deciding on the best route from Rio de Janeiro to Buenos Aires.

  • What are the most reliable airlines from Rio de Janeiro to Buenos Aires?

    Consider Air France (100%), Finnair (93%) or Iberia (93%) when booking your flight. These represent the most reliable airlines when flying from Rio de Janeiro to Buenos Aires.

  • Can I find deals for flights from Rio de Janeiro to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Rio de Janeiro to Buenos Aires flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Rio de Janeiro to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rio de Janeiro to Buenos Aires.

  • Can I find deals for business class flights from Rio de Janeiro to Buenos Aires?

    Yes. Cheapflights offers flight deals from Rio de Janeiro to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rio de Janeiro to Buenos Aires?

    Currently, May is the cheapest month in which you can book a flight from Rio de Janeiro to Buenos Aires (average of £182). Flying from Rio de Janeiro to Buenos Aires in February is currently the most expensive (average of £255). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Rio de Janeiro to Buenos Aires

Rio de Janeiro–Galeão Intl to Ministro Pistarini flights

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