Cheap flights from Rio de Janeiro, Brazil to Buenos Aires from £61

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — BUE
24 Aug — 31 Aug1
1 adult

Cheapflights Tip: The best prices from Rio de Janeiro to Buenos Aires are usually found in June or May, booked 80 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap flight deals from Rio de Janeiro to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Rio de Janeiro (RIO) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 August 2025.

Round-trip from

£163

One-way from

£61

Popular in

November

Cheapest in

June

Average price

£212

Good one-way deal

£75 or less
Flybondi
  • Flybondi
  • 30/9-8/10
  • Nonstop
  • 6h 20m total
  • Rio de Janeiro to Buenos Aires
GOL
  • GOL
  • 3/9
  • Nonstop
  • 3h 25m total
  • Rio de Janeiro to Buenos Aires
Highest demand for flights based on searches. 10% potential increase in price (£23 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a one-way flight from Rio de Janeiro (RIO) to Buenos Aires (BUE).

Find flight deals from Rio de Janeiro to Buenos Aires

Cheapest flights from Rio de Janeiro to Buenos Aires
Explore the most affordable flight options available from Rio de Janeiro to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Tue 30/903:05GIG - AEP
Nonstop3h 25mMultiple Airlines
Wed 8/1014:30AEP - GIG
Nonstop2h 55mMultiple Airlines
Deal found 18/8£163
Wed 1/1018:15GIG - EZE
Nonstop3h 25mFlybondi
Wed 8/1006:20EZE - GIG
Nonstop2h 55mFlybondi
Deal found 18/8£168
Wed 1/1005:50GIG - EZE
2 stops11h 21mMultiple Airlines
Wed 8/1006:20EZE - GIG
Nonstop2h 55mMultiple Airlines
Deal found 18/8£171
Wed 1/1005:50GIG - EZE
2 stops11h 21mLATAM Airlines
Wed 8/1012:48EZE - GIG
2 stops17h 52mLATAM Airlines
Deal found 18/8£174
Wed 1/1022:05GIG - AEP
1 stop9h 35mLATAM Airlines
Wed 8/1011:45AEP - GIG
1 stop6h 00mLATAM Airlines
Deal found 18/8£177
Mon 27/1006:00GIG - AEP
Nonstop3h 20mGOL
Thu 30/1003:40AEP - GIG
Nonstop2h 55mGOL
Deal found 19/8£198
Wed 8/1022:15GIG - EZE
Nonstop3h 30mGOL
Sun 12/1012:15EZE - GIG
Nonstop3h 00mGOL
Deal found 18/8£198
Wed 3/907:55GIG - EZE
Nonstop3h 30mGOL
Wed 10/913:55EZE - GIG
Nonstop2h 55mGOL
Deal found 17/8£202
Wed 1/1010:50GIG - AEP
Nonstop3h 30mGOL
Tue 7/1003:30AEP - GIG
2 stops16h 40mGOL
Deal found 17/8£204
Mon 27/1006:00GIG - AEP
Nonstop3h 20mGOL
Tue 11/1114:00AEP - GIG
Nonstop2h 55mGOL
Deal found 17/8£205
Fri 24/1007:55GIG - EZE
Nonstop3h 30mGOL
Mon 3/1118:15EZE - GIG
Nonstop3h 00mGOL
Deal found 18/8£205
Fri 7/1113:50GIG - EZE
Nonstop3h 30mGOL
Fri 14/1118:15EZE - GIG
Nonstop3h 00mGOL
Deal found 18/8£212

Cheapflights Fare Finder

 
Customise your flight search to find flights from Rio de Janeiro 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, Cheapflights users made 858,174 searches. Data last updated 19 August 2025.
Use the filters below to find and compare flights from Rio de Janeiro to Buenos Aires that are best for you.

Fly from

Rio de Janeiro

Fly to

Buenos Aires

Route

Depart

Return

Price

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Tue 30/9

03:05-06:30

Nonstop3h 25m

Buenos Aires Jorge Newbery

Wed 8/10

14:30-17:25

Nonstop2h 55m

£163

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Wed 1/10

05:50-17:11

2 stops11h 21m

Buenos Aires Ministro Pistarini

Wed 8/10

06:20-09:15

Nonstop2h 55m

£171

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Wed 1/10

22:05-07:40

1 stop9h 35m

Buenos Aires Jorge Newbery

Wed 8/10

11:45-17:45

1 stop6h 00m

£177

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Mon 27/10

06:00-09:20

Nonstop3h 20m

Buenos Aires Jorge Newbery

Thu 30/10

03:40-06:35

Nonstop2h 55m

£198

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Wed 8/10

22:15-01:45

Nonstop3h 30m

Buenos Aires Ministro Pistarini

Sun 12/10

12:15-15:15

Nonstop3h 00m

£198

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Thu 16/10

07:55-11:25

Nonstop3h 30m

Buenos Aires Ministro Pistarini

Mon 27/10

18:15-21:15

Nonstop3h 00m

£198

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Wed 3/9

07:55-11:25

Nonstop3h 30m

Buenos Aires Ministro Pistarini

Fri 5/9

13:55-16:50

Nonstop2h 55m

£202

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Thu 25/9

07:55-11:25

Nonstop3h 30m

Buenos Aires Ministro Pistarini

Mon 29/9

13:55-16:50

Nonstop2h 55m

£202

Rio de JaneiroBuenos Aires

GIG - EZE

GIGEZE

Rio de Janeiro–Galeão Intl

Wed 3/9

07:55-11:25

Nonstop3h 30m

Buenos Aires Ministro Pistarini

Wed 10/9

13:55-16:50

Nonstop2h 55m

£202

Rio de JaneiroBuenos Aires

GIG - AEP

GIGAEP

Rio de Janeiro–Galeão Intl

Wed 1/10

10:50-14:20

Nonstop3h 30m

Buenos Aires Jorge Newbery

Tue 7/10

03:30-20:10

2 stops16h 40m

£204

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 49 results
1
2
3
...
5

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a return flight from Rio de Janeiro to Buenos Aires. Price data was last updated on 8 August 2025.

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 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 £1,012). Flying from Rio de Janeiro to Buenos Aires in December is currently the most expensive (average of £1,250). 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?

Find hourly flight availability from Rio de Janeiro to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

It’s typically best to fly out from Rio de Janeiro to Buenos Aires in the morning. Doing so could potentially save you 28% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Rio de Janeiro to Buenos Aires

Explore weekly flight availability from Rio de Janeiro to Buenos Aires. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 19 August 2025.

The most flights from RIO to BUE are scheduled on a Monday (28 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).

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

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated 19 August 2025.
Check out reviews from past customers who have flown with Aerolineas Argentinas from Rio de Janeiro to Buenos Aires to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.3

Food

6.5

Entertainment

5.7

Comfort

7.6

Boarding

8.0

Overall

8.1

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Crew

8.3

Food

6.5

Entertainment

5.7

Comfort

7.6

Boarding

8.0

Overall

8.1

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Related info for your journey

Find useful and relevant information for your journey from Rio de Janeiro to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Rio de Janeiro to Buenos Aires?

    Departing from Rio de Janeiro to Buenos Aires will take you 3h 30m. Rio de Janeiro and Buenos Aires are separated by a distance of 1241 mi. Generally, flights for this route are direct.

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

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

    Consider KLM (92%), GOL (91%) or Aerolineas Argentinas (89%) when booking your flight. These represent the most reliable airlines when flying from Rio de Janeiro to Buenos Aires.

  • What are the cheapest flights from Rio de Janeiro to Buenos Aires?

    Looking for the cheapest flight from Rio de Janeiro to Buenos Aires? While on average our users pay £156, our data indicates the cheapest price to be £76. The most popular route (Rio de Janeiro–Galeão Intl - Buenos Aires Ministro Pistarini), is priced around £169.

  • 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 £1,012). Flying from Rio de Janeiro to Buenos Aires in December is currently the most expensive (average of £1,250). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rio de Janeiro to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Rio de Janeiro to Buenos Aires?

Cheapflights makes it easy to find Rio de Janeiro to Buenos Aires flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Rio de Janeiro to Buenos Aires?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Rio de Janeiro to Buenos Aires.

Can Cheapflights find flights from Rio de Janeiro to Buenos Aires with no change fees?

Yes, we can. To see specific flights from Rio de Janeiro to Buenos Aires with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Rio de Janeiro to Buenos Aires become cheaper?

Yes! Start tracking prices for Rio de Janeiro to Buenos Aires flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.