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Porto Alegre

$193+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — POA
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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Cheapflights Tip: The best prices from Buenos Aires to Porto Alegre Salgado Filho are usually found in March or December, booked 14 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 July 21, 2026.

This Trip.com deal was found by Cheapflights users on 7/18. 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.
Sat 9/51:40 pm
AEP
-
POA
1 stop10h 15m
Multiple Airlines
Sun 9/69:55 pm
POA
-
AEP
1 stop12h 35m
Multiple Airlines
Deal found 7/18$366
This Mytrip deal was found by Cheapflights users on 7/18. 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.
Sat 9/56:00 am
AEP
-
POA
Nonstop1h 40m
Aerolineas Argentinas
Sun 9/69:05 pm
POA
-
AEP
Nonstop1h 55m
Aerolineas Argentinas
Deal found 7/18$374
This Trip.com deal was found by Cheapflights users on 7/18. 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.
Tue 9/110:35 am
AEP
-
POA
1 stop8h 45m
Multiple Airlines
Tue 9/85:50 am
POA
-
AEP
1 stop19h 50m
Multiple Airlines
Deal found 7/18$375
This LATAM Airlines deal was found by Cheapflights users on 7/20. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:45 pm
AEP
-
POA
1 stop10h 45m
LATAM Airlines
Thu 8/139:55 pm
POA
-
AEP
1 stop11h 35m
LATAM Airlines
Deal found 7/20$377
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Sun 8/912:55 pm
AEP
-
POA
1 stop6h 25m
LATAM Airlines
Sun 8/164:45 am
POA
-
AEP
1 stop7h 15m
LATAM Airlines
Deal found 7/17$391
This Gotogate deal was found by Cheapflights users on 7/17. 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.
Sun 8/97:00 pm
AEP
-
POA
Nonstop1h 40m
Aerolineas Argentinas
Sun 8/169:45 pm
POA
-
AEP
Nonstop1h 55m
Aerolineas Argentinas
Deal found 7/17$396
This FlightHub deal was found by Cheapflights users on 7/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:40 am
AEP
-
POA
1 stop8h 00m
GOL
Sat 9/266:40 pm
POA
-
AEP
1 stop18h 00m
GOL
Deal found 7/20$398
This FlightHub deal was found by Cheapflights users on 7/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:30 pm
AEP
-
POA
1 stop26h 15m
GOL
Sat 8/810:20 am
POA
-
AEP
1 stop23h 00m
GOL
Deal found 7/18$401

Find 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 July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$366
(Trip.com)

One-way from

$193
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$496

Good round-trip deal

$587 or less

Good one-way deal

$250 or less
Provider with most accurate pricing for Buenos Aires (BUE)-Porto Alegre Salgado Filho flight deals.
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Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Porto Alegre Salgado Filho flights.
Search Deals
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. 16% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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

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 July 21, 2026.
Use the filters below to find and compare flights from Buenos Aires to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Sat 9/5

6:00 am-7:40 am

Nonstop1h 40m

Porto Alegre Salgado Filho

Sun 9/6

9:05 pm-11:00 pm

Nonstop1h 55m

$374

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Tue 9/1

10:35 am-7:20 pm

1 stop8h 45m

Porto Alegre Salgado Filho

Tue 9/8

5:50 am-1:40 am

1 stop19h 50m

$375

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Thu 8/6

9:45 pm-8:30 am

1 stop10h 45m

Porto Alegre Salgado Filho

Thu 8/13

9:55 pm-9:30 am

1 stop11h 35m

$378

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Sun 8/9

10:20 am-7:20 pm

1 stop9h 00m

Porto Alegre Salgado Filho

Sun 8/16

9:45 pm-11:40 pm

Nonstop1h 55m

$379

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Sun 8/9

7:00 pm-8:40 pm

Nonstop1h 40m

Porto Alegre Salgado Filho

Sun 8/16

9:45 pm-11:40 pm

Nonstop1h 55m

$396

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Sun 8/2

8:30 pm-10:45 pm

1 stop26h 15m

Porto Alegre Salgado Filho

Sat 8/8

5:50 am-1:40 am

1 stop19h 50m

$402

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Thu 8/6

6:20 pm-8:30 pm

1 stop26h 10m

Porto Alegre Salgado Filho

Thu 8/13

6:00 am-7:30 pm

1 stop13h 30m

$405

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Mon 8/17

6:20 pm-8:35 pm

1 stop26h 15m

Porto Alegre Salgado Filho

Mon 8/24

6:00 am-12:40 pm

1 stop6h 40m

$414

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Thu 8/27

8:30 pm-11:15 am

2 stops14h 45m

Porto Alegre Salgado Filho

Fri 8/28

3:45 pm-9:20 am

1 stop17h 35m

$452
Cheapest one-way
Quickest one-way

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Wed 8/12

10:00 am-11:30 am

Nonstop1h 30m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 16 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Buenos Aires-Porto Alegre flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buenos Aires-Porto Alegre flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buenos Aires-Porto Alegre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buenos Aires-Porto Alegre flights, Cheapflights users trust FlightHub the most. FlightHub 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 Buenos Aires-Porto Alegre 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 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

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

Currently, March is the cheapest month in which you can book a flight from Buenos Aires to Porto Alegre (average of $267). Flying from Buenos Aires to Porto Alegre in July is currently the most expensive (average of $475). 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 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 July 21, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buenos Aires to Porto Alegre as you normally would.

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

How often are flights from Buenos Aires to Porto Alegre delayed?

About 12% of weekly flights between Buenos Aires and Porto Alegre have experienced delays in the past year, with the average delay time being 115 minutes.

What is the most punctual flight time for Buenos Aires to Porto Alegre flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Buenos Aires to Porto Alegre flights?

Over the last year, GOL have had the lowest number of delays on this route, with just 6% of flights being delayed.

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

The best time to book flights from Buenos Aires to Porto Alegre is 22 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.

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 July 21, 2026.
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
1,055 reviews

Crew

8.4

Boarding

8.0

Entertainment

5.8

Overall

8.1

Comfort

7.6

Food

6.5

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.
Aerolineas Argentinas
8.1
Very good
1,055 reviews
Aerolineas Argentinas
8.1
Very good
1,055 reviews

Crew

8.4

Boarding

8.0

Entertainment

5.8

Overall

8.1

Comfort

7.6

Food

6.5

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.
GOL
7.3
Good
1,260 reviews
Aerolineas Argentinas
8.1
Very good
1,055 reviews

Crew

8.4

Boarding

8.0

Entertainment

5.8

Overall

8.1

Comfort

7.6

Food

6.5

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.

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 1 inbound flight 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 $374. 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.

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

    Currently, March is the cheapest month in which you can book a flight from Buenos Aires to Porto Alegre (average of $267). Flying from Buenos Aires to Porto Alegre in July is currently the most expensive (average of $475). 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.

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