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$63+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
POA — BUE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Porto Alegre Salgado Filho to Buenos Aires are usually found in May or June, booked 72 days in advance, depart on a Thursday or Monday 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 June 12, 2025.

Round-trip from

$260
(SmartFares)

One-way from

$63
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$295

Good round-trip deal

$245 or less
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. 16% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Porto Alegre Salgado Filho to Buenos Aires (BUE).
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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 June 12, 2025.

This SmartFares deal was found by Cheapflights users on 6/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:10 amPOA - AEP
Nonstop1h 50mGOL
Mon 9/810:25 pmAEP - POA
Nonstop1h 30mGOL
Deal found 6/12$260
This SmartFares deal was found by Cheapflights users on 6/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:05 pmPOA - AEP
Nonstop1h 55mAerolineas Argentinas
Sun 12/74:50 amAEP - POA
Nonstop1h 40mAerolineas Argentinas
Deal found 6/10$284
This GOL deal was found by Cheapflights users on 6/11. 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 8/288:10 pmPOA - EZE
1 stop18h 40mGOL
Tue 9/212:25 pmEZE - POA
1 stop8h 45mGOL
Deal found 6/11$291
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/39:45 pmPOA - AEP
Nonstop1h 55mMultiple Airlines
Wed 7/910:25 pmAEP - POA
Nonstop1h 30mMultiple Airlines
Deal found 6/9$306
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:00 pmPOA - AEP
1 stop13h 40mLATAM Airlines
Mon 12/82:55 pmAEP - POA
1 stop9h 45mLATAM Airlines
Deal found 6/10$359
This Trip.com deal was found by Cheapflights users on 6/10. 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.
Thu 12/45:55 pmPOA - EZE
1 stop6h 55mLATAM Airlines
Mon 12/87:15 amEZE - POA
1 stop8h 40mLATAM Airlines
Deal found 6/10$365
This CheapOair deal was found by Cheapflights users on 6/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:40 pmPOA - EZE
1 stop17h 45mMultiple Airlines
Sun 8/246:40 amEZE - POA
1 stop7h 10mMultiple Airlines
Deal found 6/11$374

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 June 12, 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 9/4

6:10 am-8:00 am

Nonstop1h 50m

Buenos Aires Jorge Newbery

Mon 9/8

10:25 pm-11:55 pm

Nonstop1h 30m

$260

Porto AlegreBuenos Aires

POA - AEP

POAAEP

Porto Alegre Salgado Filho

Thu 12/4

9:05 pm-11:00 pm

Nonstop1h 55m

Buenos Aires Jorge Newbery

Sun 12/7

4:50 am-6:30 am

Nonstop1h 40m

$284

Porto AlegreBuenos Aires

POA - EZE

POAEZE

Porto Alegre Salgado Filho

Thu 8/28

8:10 pm-2:50 pm

1 stop18h 40m

Buenos Aires Ministro Pistarini

Tue 9/2

12:25 pm-9:10 pm

1 stop8h 45m

$291

Porto AlegreBuenos Aires

POA - AEP

POAAEP

Porto Alegre Salgado Filho

Thu 7/3

9:45 pm-11:40 pm

Nonstop1h 55m

Buenos Aires Jorge Newbery

Wed 7/9

10:25 pm-11:55 pm

Nonstop1h 30m

$306

Porto AlegreBuenos Aires

POA - AEP

POAAEP

Porto Alegre Salgado Filho

Thu 12/4

8:00 pm-9:40 am

1 stop13h 40m

Buenos Aires Jorge Newbery

Mon 12/8

2:55 pm-12:40 am

1 stop9h 45m

$359

Porto AlegreBuenos Aires

POA - EZE

POAEZE

Porto Alegre Salgado Filho

Thu 12/4

5:55 pm-12:50 am

1 stop6h 55m

Buenos Aires Ministro Pistarini

Mon 12/8

7:15 am-3:55 pm

1 stop8h 40m

$365

Porto AlegreBuenos Aires

POA - EZE

POAEZE

Porto Alegre Salgado Filho

Wed 8/20

5:40 pm-11:25 am

1 stop17h 45m

Buenos Aires Ministro Pistarini

Sun 8/24

6:40 am-1:50 pm

1 stop7h 10m

$374

Porto AlegreBuenos Aires

POA - AEP

POAAEP

Porto Alegre Salgado Filho

Tue 6/17

6:10 am-8:00 am

Nonstop1h 50m

$63

Porto AlegreBuenos Aires

POA - EZE

POAEZE

Porto Alegre Salgado Filho

Tue 6/17

6:15 am-12:20 am

1 stop18h 05m

$108

Porto AlegreBuenos Aires

POA - AEP

POAAEP

Porto Alegre Salgado Filho

Thu 6/26

9:45 pm-11:40 pm

Nonstop1h 55m

$121

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 14 results
1
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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 June 9, 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 June 12, 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 in the morning, which can drop the price by up to 4% versus a flight at noon.

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 June 12, 2025.
Read reviews from past customers who have flown Aerolineas Argentinas, Emirates and LATAM Airlines from Porto Alegre to Buenos Aires. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aerolineas Argentinas
8.1
Very good
872 reviews

Boarding

8.0

Comfort

7.5

Food

6.4

Overall

8.1

Entertainment

5.7

Crew

8.3

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
872 reviews
Aerolineas Argentinas
8.1
Very good
872 reviews

Boarding

8.0

Comfort

7.5

Food

6.4

Overall

8.1

Entertainment

5.7

Crew

8.3

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.
Emirates
8.1
Very good
3,264 reviews
Aerolineas Argentinas
8.1
Very good
872 reviews

Boarding

8.0

Comfort

7.5

Food

6.4

Overall

8.1

Entertainment

5.7

Crew

8.3

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.
LATAM Airlines
7.5
Good
1,785 reviews
Aerolineas Argentinas
8.1
Very good
872 reviews

Boarding

8.0

Comfort

7.5

Food

6.4

Overall

8.1

Entertainment

5.7

Crew

8.3

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
1,073 reviews
Aerolineas Argentinas
8.1
Very good
872 reviews

Boarding

8.0

Comfort

7.5

Food

6.4

Overall

8.1

Entertainment

5.7

Crew

8.3

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 $260 on this airline. Additional options worth looking into are Aerolineas Argentinas and LATAM Airlines, starting at $284 and $359 round-trip. These flights start at 29% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Porto Alegre to Buenos Aires one-way?

    The cheapest airlines for a one-way flight from Porto Alegre to Buenos Aires are GOL ($63), Aerolineas Argentinas ($121), and LATAM Airlines ($151).

  • 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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