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Porto Alegre

$129+ Cheap flights from Buenos Aires (BUE) to Porto Alegre (POA)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — POA
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheapflights Tip: The best prices from Buenos Aires to Porto Alegre Salgado Filho are usually found in September or August, booked 25 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Buenos Aires to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to Porto Alegre (POA). 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 August 2, 2025.

Round-trip from

$213
(Gotogate)

One-way from

$129
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$310

Good round-trip deal

$316 or less

Good one-way deal

$117 or less
From Buenos Aires (BUE) to Porto Alegre Salgado Filho
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One-way flight from Buenos Aires (BUE) to Porto Alegre Salgado Filho
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Highest demand for flights based on searches. 24% potential increase in price ($147 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Buenos Aires (BUE) to Porto Alegre Salgado Filho.
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Price to beat on a one-way flight from Buenos Aires (BUE) to Porto Alegre Salgado Filho.
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Find flight deals from Buenos Aires to Porto Alegre

Cheapest flights from Buenos Aires to Porto Alegre
Explore the most affordable flight options available from Buenos Aires to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Sat 8/96:35 amAEP - POA
Nonstop1h 40mMultiple Airlines
Sat 8/166:10 amPOA - AEP
Nonstop1h 50mMultiple Airlines
Deal found 8/2$196
This Gotogate deal was found by Cheapflights users on 8/1. 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.
Wed 8/1310:25 pmAEP - POA
Nonstop1h 30mGOL
Sat 8/166:10 amPOA - AEP
Nonstop1h 50mGOL
Deal found 8/1$213
This Booking.com deal was found by Cheapflights users on 7/31. 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 8/1410:55 pmAEP - POA
1 stop10h 25mLATAM Airlines
Sun 8/176:40 amPOA - AEP
1 stop10h 20mLATAM Airlines
Deal found 7/31$347

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buenos Aires to Porto Alegre 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 August 2, 2025.
Use the filters below to find and compare flights from Buenos Aires to Porto Alegre that are best for you.

Fly from

Buenos Aires

Fly to

Porto Alegre

Route

Depart

Return

Price

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Wed 8/13

10:25 pm-11:55 pm

Nonstop1h 30m

Porto Alegre Salgado Filho

Sat 8/16

6:10 am-8:00 am

Nonstop1h 50m

$213

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Sun 9/14

5:00 pm-11:55 pm

1 stop6h 55m

Porto Alegre Salgado Filho

Sun 9/21

6:10 am-10:05 pm

1 stop15h 55m

$271

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Thu 8/14

10:55 pm-9:20 am

1 stop10h 25m

Porto Alegre Salgado Filho

Sun 8/17

6:40 am-5:00 pm

1 stop10h 20m

$347

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Wed 8/13

7:40 am-5:50 pm

1 stop10h 10m

Porto Alegre Salgado Filho

Sat 8/16

9:05 am-11:00 am

Nonstop1h 55m

$511

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Wed 8/13

10:25 pm-11:55 pm

Nonstop1h 30m

$129

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Tue 11/4

6:30 pm-8:10 pm

Nonstop1h 40m

$181

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Thu 8/7

10:55 pm-7:40 am

1 stop8h 45m

$190

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Fri 8/8

8:00 am-9:25 am

3 stops25h 25m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

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

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Buenos Aires 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 Buenos Aires to Porto Alegre

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

Use this chart to determine the optimal time to book a round-trip flight from Buenos Aires to Porto Alegre. Price data was last updated on July 25, 2025.

The best time to book flights from Buenos Aires to Porto Alegre is 25 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Find hourly flight availability from Buenos Aires to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2025.

It’s typically best to fly out from Buenos Aires to Porto Alegre at noon. Doing so could potentially save you 70% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Porto Alegre

Get insights into the airlines that provide service to Porto Alegre. 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 Porto Alegre. Reviews last updated August 2, 2025.
Read reviews from past customers who have flown Aerolineas Argentinas, LATAM Airlines, and GOL from Buenos Aires to Porto Alegre. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aerolineas Argentinas
8.1
Very good
899 reviews

Entertainment

5.7

Food

6.4

Overall

8.1

Boarding

8.0

Comfort

7.5

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
899 reviews
Aerolineas Argentinas
8.1
Very good
899 reviews

Entertainment

5.7

Food

6.4

Overall

8.1

Boarding

8.0

Comfort

7.5

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
1,823 reviews
Aerolineas Argentinas
8.1
Very good
899 reviews

Entertainment

5.7

Food

6.4

Overall

8.1

Boarding

8.0

Comfort

7.5

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
1,091 reviews
Aerolineas Argentinas
8.1
Very good
899 reviews

Entertainment

5.7

Food

6.4

Overall

8.1

Boarding

8.0

Comfort

7.5

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 Buenos Aires to Porto Alegre. 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 into for flights to Porto Alegre from Buenos Aires?

    For a flight from Buenos Aires to Porto Alegre, you will be flying into Salgado Filho. Porto Alegre Salgado Filho (POA) is just 4.0 mi from the center of the city. Salgado Filho is the only Porto Alegre airport and it handles 0 inbound flights from Buenos Aires per day. 0 airlines have flights to Porto Alegre Salgado Filho from Buenos Aires on a regular basis.

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

    Cheapflights users have booked flights from Buenos Aires to Porto Alegre round-trip from $213. Other airlines that can offer you cheap pricing are LATAM Airlines, from $347, and Aerolineas Argentinas, from $511. You may be able to fly from Buenos Aires to Porto Alegre for 53% less than the average price by searching for these airlines.

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

    For one-way options, check prices for GOL. According to our data, you can fly for as low as $129. Users have also found prices from $181 and $190 on Aerolineas Argentinas and LATAM Airlines, respectively.

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

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

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

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

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

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

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