HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto Alegre

$127+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — POA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buenos Aires to Porto Alegre with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Buenos Aires to Porto Alegre Salgado Filho are usually found in June or August, booked 12 days in advance, depart on a Wednesday or Monday 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 September 16, 2025.

Round-trip from

$213
(Mytrip)

One-way from

$127
(SmartFares)

Popular in

December

Cheapest in

June

Average price

$357

Good round-trip deal

$361 or less

Good one-way deal

$260 or less
From Buenos Aires (BUE) to Porto Alegre Salgado Filho
Search Deals
One-way flight from Buenos Aires (BUE) to Porto Alegre Salgado Filho
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Buenos Aires (BUE) to Porto Alegre Salgado Filho.
Search Deals
Price to beat on a one-way flight from Buenos Aires (BUE) to Porto Alegre Salgado Filho.
Search Deals

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 September 16, 2025.

This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:25 pmAEP - POA
Nonstop1h 30mMultiple Airlines
Sat 10/46:45 amPOA - AEP
Nonstop1h 55mMultiple Airlines
Deal found 9/16$213
This oojo deal was found by Cheapflights users on 9/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:15 amAEP - POA
Nonstop1h 40mAerolineas Argentinas
Tue 10/149:25 pmPOA - AEP
Nonstop1h 55mAerolineas Argentinas
Deal found 9/16$215
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/306:10 pmAEP - POA
Nonstop1h 40mMultiple Airlines
Thu 11/66:10 amPOA - AEP
Nonstop1h 50mMultiple Airlines
Deal found 9/14$232
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:20 pmAEP - POA
1 stop23h 30mGOL
Thu 11/66:10 amPOA - AEP
Nonstop1h 50mGOL
Deal found 9/14$233
This Trip.com deal was found by Cheapflights users on 9/16. 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.
Wed 12/310:00 pmAEP - POA
Nonstop1h 40mMultiple Airlines
Mon 12/88:25 amPOA - AEP
Nonstop1h 55mMultiple Airlines
Deal found 9/16$237
This Booking.com deal was found by Cheapflights users on 9/15. 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.
Wed 12/310:00 pmAEP - POA
Nonstop1h 40mMultiple Airlines
Sun 12/76:40 amPOA - AEP
1 stop7h 20mMultiple Airlines
Deal found 9/15$248
This GOL deal was found by Cheapflights users on 9/16. 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.
Sat 10/1110:20 amAEP - POA
1 stop7h 25mGOL
Tue 10/146:10 amPOA - AEP
Nonstop1h 50mGOL
Deal found 9/16$276
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Mon 11/1710:00 amAEP - POA
Nonstop1h 35mMultiple Airlines
Mon 11/248:25 amPOA - AEP
Nonstop1h 55mMultiple Airlines
Deal found 9/16$290

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 September 16, 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

Sat 10/11

4:15 am-5:55 am

Nonstop1h 40m

Porto Alegre Salgado Filho

Tue 10/14

9:25 pm-11:20 pm

Nonstop1h 55m

$215

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Thu 10/30

6:10 pm-7:50 pm

Nonstop1h 40m

Porto Alegre Salgado Filho

Thu 11/6

6:10 am-8:00 am

Nonstop1h 50m

$232

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Wed 12/3

10:00 pm-11:40 pm

Nonstop1h 40m

Porto Alegre Salgado Filho

Sun 12/7

6:40 am-2:00 pm

1 stop7h 20m

$248

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Sat 10/11

10:20 am-5:45 pm

1 stop7h 25m

Porto Alegre Salgado Filho

Tue 10/14

6:10 am-8:00 am

Nonstop1h 50m

$276

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Thu 10/30

1:40 pm-11:50 pm

1 stop10h 10m

Porto Alegre Salgado Filho

Thu 11/6

6:10 am-8:00 am

Nonstop1h 50m

$277

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Thu 10/2

3:40 am-11:40 pm

1 stop20h 00m

Porto Alegre Salgado Filho

Sat 10/4

6:45 am-8:40 am

Nonstop1h 55m

$292

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Mon 11/17

9:00 am-4:30 pm

1 stop7h 30m

Porto Alegre Salgado Filho

Mon 11/24

8:25 am-10:20 am

Nonstop1h 55m

$296

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Tue 12/2

3:15 am-6:20 pm

1 stop15h 05m

Porto Alegre Salgado Filho

Mon 12/8

8:25 am-10:20 am

Nonstop1h 55m

$306

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Sat 9/27

5:20 am-7:00 am

Nonstop1h 40m

$127

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Sun 12/7

4:40 am-6:20 am

Nonstop1h 40m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 16 results
1
2

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 September 12, 2025.

The best time to book flights from Buenos Aires to Porto Alegre is 12 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 September 16, 2025.

It’s typically best to fly out from Buenos Aires to Porto Alegre in the afternoon. Doing so could potentially save you 27% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Buenos Aires to Porto Alegre?

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 September 16, 2025.
Read reviews from past customers who have flown Aerolineas Argentinas 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
932 reviews

Food

6.5

Comfort

7.5

Entertainment

5.7

Overall

8.1

Boarding

8.0

Crew

8.3

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500
Aerolineas Argentinas
8.1
Very good
932 reviews
Aerolineas Argentinas
8.1
Very good
932 reviews

Food

6.5

Comfort

7.5

Entertainment

5.7

Overall

8.1

Boarding

8.0

Crew

8.3

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500
GOL
7.3
Good
1,106 reviews
Aerolineas Argentinas
8.1
Very good
932 reviews

Food

6.5

Comfort

7.5

Entertainment

5.7

Overall

8.1

Boarding

8.0

Crew

8.3

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500

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 2 inbound flights from Buenos Aires per day. 0 airlines have flights to Porto Alegre Salgado Filho from Buenos Aires on a regular basis.

  • How long is the flight from Buenos Aires to Porto Alegre?

    A quick flight from Buenos Aires to Porto Alegre can take about 1h 40m. Aerolineas Argentinas provides one of the quickest options available for as low as $215. Buenos Aires and Porto Alegre are separated by a distance of 527 mi. This flight may include one or multiple stops.

  • 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.

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.

Complete your trip

Complete your trip to Porto Alegre by adding a car rental and/or hotel reservation to your travel itinerary.
Porto Alegre car rentals
Porto Alegre Salgado Filho Airport car rentals

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.