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Porto Alegre

$164+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — POA
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheapflights Tip: The best prices from Buenos Aires to Porto Alegre Salgado Filho are usually found in December or June, booked 21 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 February 12, 2026.

This Mytrip deal was found by Cheapflights users on 2/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:30 pm
AEP
-
POA
Nonstop1h 40m
Multiple Airlines
Sat 2/286:20 am
POA
-
AEP
Nonstop1h 40m
Multiple Airlines
Deal found 2/10$208
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Sat 8/156:00 am
AEP
-
POA
Nonstop1h 40m
Aerolineas Argentinas
Thu 8/209:05 pm
POA
-
AEP
Nonstop1h 55m
Aerolineas Argentinas
Deal found 2/9$239
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Sat 8/156:00 am
AEP
-
POA
Nonstop1h 40m
Aerolineas Argentinas
Sun 8/239:05 pm
POA
-
AEP
Nonstop1h 55m
Aerolineas Argentinas
Deal found 2/9$246
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 8/136:30 pm
AEP
-
POA
Nonstop1h 40m
Aerolineas Argentinas
Thu 8/209:05 pm
POA
-
AEP
Nonstop1h 55m
Aerolineas Argentinas
Deal found 2/9$247
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 8/136:30 pm
AEP
-
POA
Nonstop1h 40m
Aerolineas Argentinas
Sun 8/239:05 pm
POA
-
AEP
Nonstop1h 55m
Aerolineas Argentinas
Deal found 2/9$254
This GOL deal was found by Cheapflights users on 2/10. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:30 pm
AEP
-
POA
1 stop18h 35m
GOL
Tue 5/197:40 pm
POA
-
AEP
1 stop23h 50m
GOL
Deal found 2/10$260
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Sun 8/166:30 pm
AEP
-
POA
Nonstop1h 40m
Aerolineas Argentinas
Thu 8/209:05 pm
POA
-
AEP
Nonstop1h 55m
Aerolineas Argentinas
Deal found 2/9$262
This Mytrip deal was found by Cheapflights users on 2/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/134:40 am
AEP
-
POA
Nonstop1h 40m
Multiple Airlines
Tue 2/176:20 am
POA
-
AEP
Nonstop1h 40m
Multiple Airlines
Deal found 2/12$264
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Sun 8/166:30 pm
AEP
-
POA
Nonstop1h 40m
Aerolineas Argentinas
Sun 8/239:05 pm
POA
-
AEP
Nonstop1h 55m
Aerolineas Argentinas
Deal found 2/9$269
This GOL deal was found by Cheapflights users on 2/10. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/279:00 am
AEP
-
POA
1 stop7h 30m
GOL
Fri 4/33:45 pm
POA
-
AEP
1 stop16h 15m
GOL
Deal found 2/10$271
This GOL deal was found by Cheapflights users on 2/10. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:30 pm
AEP
-
POA
1 stop21h 25m
GOL
Thu 4/911:35 am
POA
-
AEP
1 stop9h 25m
GOL
Deal found 2/10$272

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$260
(GOL)

One-way from

$164
(GOL)

Popular in

July

Cheapest in

December

Average price

$295

Good round-trip deal

$263 or less

Good one-way deal

$138 or less
Provider with most accurate pricing for Buenos Aires (BUE)-Porto Alegre Salgado Filho flight deals.
Search Deals
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. 9% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 12, 2026.
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

Mon 5/18

8:30 pm-3:05 pm

1 stop18h 35m

Porto Alegre Salgado Filho

Tue 5/19

7:40 pm-7:30 pm

1 stop23h 50m

$260

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Fri 3/27

9:00 am-4:30 pm

1 stop7h 30m

Porto Alegre Salgado Filho

Mon 3/30

1:20 pm-5:20 pm

1 stop28h 00m

$264

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Tue 3/31

1:30 pm-10:55 am

1 stop21h 25m

Porto Alegre Salgado Filho

Thu 4/9

11:35 am-9:00 pm

1 stop9h 25m

$272

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Fri 2/27

10:00 pm-11:40 pm

Nonstop1h 40m

Porto Alegre Salgado Filho

Sun 3/22

6:10 am-5:20 pm

1 stop11h 10m

$283

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Mon 3/16

1:40 pm-5:50 pm

1 stop28h 10m

Porto Alegre Salgado Filho

Wed 3/18

7:00 am-9:00 am

Nonstop2h 00m

$300

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Fri 3/27

9:00 am-4:30 pm

1 stop7h 30m

Porto Alegre Salgado Filho

Mon 3/30

7:10 am-9:00 am

Nonstop1h 50m

$300

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Mon 3/16

10:00 am-11:35 am

Nonstop1h 35m

Porto Alegre Salgado Filho

Wed 3/18

7:00 am-9:00 am

Nonstop2h 00m

$304

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Sun 3/8

6:20 pm-12:50 am

1 stop6h 30m

Porto Alegre Salgado Filho

Sun 3/15

5:55 pm-5:20 pm

1 stop23h 25m

$342

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Mon 5/18

9:00 am-3:35 pm

1 stop6h 35m

$164

Buenos AiresPorto Alegre

AEP - POA

AEPPOA

Buenos Aires Jorge Newbery

Sat 4/18

6:20 pm-6:35 pm

1 stop24h 15m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 16 results
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

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 February 6, 2026.

The best time to book flights from Buenos Aires to Porto Alegre is 21 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 month to book a flight from Buenos Aires to Porto Alegre?

Currently, November is the cheapest month in which you can book a flight from Buenos Aires to Porto Alegre (average of $112). Flying from Buenos Aires to Porto Alegre in June is currently the most expensive (average of $308). 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 February 12, 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 often are flights from Buenos Aires to Porto Alegre delayed?

About 13% of weekly flights between Buenos Aires and Porto Alegre have experienced delays in the past year, with the average delay time being 126 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?

Sunday 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 3% of flights being delayed.

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 February 12, 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
1,010 reviews

Food

6.5

Crew

8.4

Entertainment

5.8

Overall

8.1

Boarding

8.0

Comfort

7.5

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
Aerolineas Argentinas
8.1
Very good
1,010 reviews
Aerolineas Argentinas
8.1
Very good
1,010 reviews

Food

6.5

Crew

8.4

Entertainment

5.8

Overall

8.1

Boarding

8.0

Comfort

7.5

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
GOL
7.3
Good
1,169 reviews
Aerolineas Argentinas
8.1
Very good
1,010 reviews

Food

6.5

Crew

8.4

Entertainment

5.8

Overall

8.1

Boarding

8.0

Comfort

7.5

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.

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 18h 35m. GOL provides one of the quickest options available for as low as $260. Buenos Aires and Porto Alegre are separated by a distance of 527 mi.

  • 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, November is the cheapest month in which you can book a flight from Buenos Aires to Porto Alegre (average of $112). Flying from Buenos Aires to Porto Alegre in June is currently the most expensive (average of $308). 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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