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$77+ Cheap flights from Porto Alegre (POA) to Buenos Aires (BUE)

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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
POA — BUE
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheapflights Tip: The best prices from Porto Alegre Salgado Filho to Buenos Aires are usually found in July or August, booked 72 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap flight deals from Porto Alegre to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Porto Alegre (POA) 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 April 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$210
(GOL)

One-way from

$77
(GOL)

Popular in

December

Cheapest in

July

Average price

$357
Provider with most accurate pricing for Porto Alegre Salgado Filho-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Porto Alegre Salgado Filho-Buenos Aires (BUE) flights.
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From Porto Alegre Salgado Filho to Buenos Aires (BUE)
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One-way flight from Porto Alegre Salgado Filho to Buenos Aires (BUE)
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Highest demand for flights based on searches. 15% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Porto Alegre to Buenos Aires

Cheapest flights from Porto Alegre to Buenos Aires
Explore the most affordable flight options available from Porto Alegre to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This GOL deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:10 amPOA - AEP
Nonstop1h 50mGOL
Wed 5/2110:25 pmAEP - POA
Nonstop1h 30mGOL
Deal found 4/23$210
This Trip.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/191:00 pmPOA - AEP
2 stops23h 00mMultiple Airlines
Mon 5/266:00 amAEP - POA
Nonstop1h 40mMultiple Airlines
Deal found 4/23$256
This Gotogate deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/198:30 amPOA - AEP
Nonstop1h 55mAerolineas Argentinas
Mon 5/266:00 amAEP - POA
Nonstop1h 40mAerolineas Argentinas
Deal found 4/23$300
This Trip.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/195:00 amPOA - EZE
1 stop6h 25mGOL
Mon 5/2612:25 pmEZE - POA
1 stop8h 00mGOL
Deal found 4/23$323
This Ethiopian Air deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/711:00 amPOA - EZE
1 stop9h 25mEthiopian Air
Wed 9/109:55 pmEZE - POA
1 stop10h 50mEthiopian Air
Deal found 4/23$1,228

Cheapflights Fare Finder

Customize your flight search to find flights from Porto Alegre 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 2,558,603 searches. Data last updated April 24, 2025.
Use the filters below to find and compare flights from Porto Alegre to Buenos Aires that are best for you.

Fly from

Porto Alegre

Fly to

Buenos Aires

Route

Depart

Return

Price

Porto AlegreBuenos Aires

POA - AEP

POAAEP

Porto Alegre Salgado Filho

Thu 5/15

6:10 am-8:00 am

Nonstop1h 50m

Buenos Aires Jorge Newbery

Wed 5/21

10:25 pm-11:55 pm

Nonstop1h 30m

$210

Porto AlegreBuenos Aires

POA - AEP

POAAEP

Porto Alegre Salgado Filho

Mon 5/19

1:00 pm-12:00 pm

2 stops23h 00m

Buenos Aires Jorge Newbery

Mon 5/26

6:00 am-7:40 am

Nonstop1h 40m

$256

Porto AlegreBuenos Aires

POA - AEP

POAAEP

Porto Alegre Salgado Filho

Mon 5/19

8:30 am-10:25 am

Nonstop1h 55m

Buenos Aires Jorge Newbery

Mon 5/26

6:00 am-7:40 am

Nonstop1h 40m

$300

Porto AlegreBuenos Aires

POA - EZE

POAEZE

Porto Alegre Salgado Filho

Mon 5/19

5:00 am-11:25 am

1 stop6h 25m

Buenos Aires Ministro Pistarini

Mon 5/26

12:25 pm-8:25 pm

1 stop8h 00m

$323

Porto AlegreBuenos Aires

POA - EZE

POAEZE

Porto Alegre Salgado Filho

Sun 9/7

11:00 am-8:25 pm

1 stop9h 25m

Buenos Aires Ministro Pistarini

Wed 9/10

9:55 pm-8:45 am

1 stop10h 50m

$1,228

Porto AlegreBuenos Aires

POA - AEP

POAAEP

Porto Alegre Salgado Filho

Thu 5/15

6:10 am-8:00 am

Nonstop1h 50m

$77

Porto AlegreBuenos Aires

POA - EZE

POAEZE

Porto Alegre Salgado Filho

Thu 8/28

1:35 pm-2:50 pm

1 stop25h 15m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Compare providers for flights from Porto Alegre to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto Alegre to Buenos Aires in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Porto Alegre-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Porto Alegre-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Porto Alegre-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto Alegre-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto Alegre-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Porto Alegre to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Porto Alegre with our price prediction graph.
Estimated round-trip 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 Porto Alegre to Buenos Aires

How far ahead should I book a flight from Porto Alegre to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Porto Alegre to Buenos Aires. Price data was last updated on April 18, 2025.

To ensure you get the cheapest price possible for a flight from Porto Alegre to Buenos Aires, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Porto Alegre to Buenos Aires?

Currently, April is the cheapest month in which you can book a flight from Porto Alegre to Buenos Aires (average of $795). Flying from Porto Alegre to Buenos Aires in December is currently the most expensive (average of $1,260). 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 POA to BUE?

Find hourly flight availability from Porto Alegre 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 April 24, 2025.

When flying from Porto Alegre to Buenos Aires, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 10% versus a flight in the morning.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 April 24, 2025.
Aerolineas Argentinas
8.1
Very good
859 reviews

Overall

8.1

Food

6.4

Comfort

7.5

Entertainment

5.7

Crew

8.3

Boarding

8.0

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.
Aerolineas Argentinas
8.1
Very good
859 reviews
Aerolineas Argentinas
8.1
Very good
859 reviews

Overall

8.1

Food

6.4

Comfort

7.5

Entertainment

5.7

Crew

8.3

Boarding

8.0

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.
GOL
7.3
Good
1,066 reviews
Aerolineas Argentinas
8.1
Very good
859 reviews

Overall

8.1

Food

6.4

Comfort

7.5

Entertainment

5.7

Crew

8.3

Boarding

8.0

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.
Ethiopian Air
7.2
Good
769 reviews
Aerolineas Argentinas
8.1
Very good
859 reviews

Overall

8.1

Food

6.4

Comfort

7.5

Entertainment

5.7

Crew

8.3

Boarding

8.0

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 Porto Alegre to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Porto Alegre to Buenos Aires?

    Located just 4.0 mi from the city center, Porto Alegre Salgado Filho is the airport most travelers will use when flying to Buenos Aires from Porto Alegre. Booking flights from Salgado Filho (POA) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 0 different airlines.

  • What are the cheapest airlines flying from Porto Alegre to Buenos Aires round-trip?

    Our cheapest airline available from Porto Alegre to Buenos Aires is GOL. Our recent data shows that you can find tickets from as low as $210 on this airline. Additional options worth looking into are Aerolineas Argentinas and Ethiopian Air, starting at $300 and $1,228 round-trip. These flights start at 40% lower than the current average price 3 months from now.

  • Can I find deals for flights from Porto Alegre to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Porto Alegre to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto Alegre to Buenos Aires?

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

  • Can I find deals for business class flights from Porto Alegre to Buenos Aires?

    Yes. Cheapflights offers flight deals from Porto Alegre 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 Porto Alegre to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Porto Alegre to Buenos Aires (average of $795). Flying from Porto Alegre to Buenos Aires in December is currently the most expensive (average of $1,260). 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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