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$142+ Cheap flights from Porto Alegre (POA) to Buenos Aires (BUE)

POA — BUE
Dec 10 — Dec 171
Thu 12/10
Thu 12/17
1 adult, Economy
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Find cheap flights from Porto Alegre to Buenos Aires 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

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3. Compare prices and book

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Cheapflights Tip: The best prices from Porto Alegre Salgado Filho to Buenos Aires are usually found in March or February, booked 89 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Porto Alegre to Buenos Aires

Cheapest flights from Porto Alegre to Buenos Aires

Sat 12/55:55 am -
1 stop16h 05m
Sat 12/124:49 pm -
2 stops26h 41m
Deal found 11/7$351
Sat 12/58:10 pm -
1 stop15h 50m
Tue 12/810:35 am -
1 stop10h 55m
Deal found 11/5$372
Thu 11/129:05 pm -
Nonstop1h 55m
Sun 11/155:55 pm -
Nonstop1h 40m
Deal found 11/9$378
Sat 12/58:10 pm -
1 stop15h 50m
Tue 12/86:30 pm -
Nonstop1h 40m
Deal found 11/5$380
Thu 12/36:05 am -
1 stop13h 25m
Tue 12/86:30 pm -
Nonstop1h 40m
Deal found 11/9$384
Thu 12/312:30 pm -
1 stop20h 50m
Tue 12/81:35 pm -
1 stop10h 55m
Deal found 11/9$389
Tue 12/111:50 am -
1 stop13h 50m
Thu 12/106:30 pm -
Nonstop1h 40m
Deal found 11/6$390
Sat 12/127:45 pm -
1 stop16h 55m
Thu 12/178:30 pm -
1 stop26h 25m
Deal found 11/7$394
Mon 11/308:25 am -
Nonstop1h 55m
Thu 12/108:30 pm -
1 stop26h 25m
Deal found 11/10$399

Find flight deals from Porto Alegre to Buenos Aires

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$351
(Kiwi.com)

One-way from

$142
(Mytrip)

Popular in

July

Cheapest in

March

Average price

$355
Provider with most accurate pricing for Porto Alegre Salgado Filho-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Porto Alegre Salgado Filho-Buenos Aires (BUE) flights.
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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. 9% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Cheapflights Fare Finder

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

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Depart

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Price

Cheapest round-trip

Porto AlegreBuenos Aires

POA Porto Alegre Salgado Filho - AEP Buenos Aires Jorge Newbery

POAAEP

Porto Alegre Salgado Filho

Fri 11/27

9:15 pm-9:20 am

1 stop12h 05m

Buenos Aires Jorge Newbery

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$165
Quickest round-trip

Porto AlegreBuenos Aires

POA Porto Alegre Salgado Filho - AEP Buenos Aires Jorge Newbery

POAAEP

Porto Alegre Salgado Filho

Thu 1/21

9:05 pm-11:00 pm

Nonstop1h 55m

Buenos Aires Jorge Newbery

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$172

Porto AlegreBuenos Aires

POA Porto Alegre Salgado Filho - AEP Buenos Aires Jorge Newbery

POAAEP

Porto Alegre Salgado Filho

Thu 11/26

6:05 am-5:20 pm

2 stops11h 15m

Buenos Aires Jorge Newbery

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$201

Porto AlegreBuenos Aires

POA Porto Alegre Salgado Filho - AEP Buenos Aires Jorge Newbery

POAAEP

Porto Alegre Salgado Filho

Thu 2/4

3:15 pm-9:20 am

2 stops18h 05m

Buenos Aires Jorge Newbery

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$202

Porto AlegreBuenos Aires

POA Porto Alegre Salgado Filho - AEP Buenos Aires Jorge Newbery

POAAEP

Porto Alegre Salgado Filho

Sat 1/23

12:40 pm-2:00 am

2 stops13h 20m

Buenos Aires Jorge Newbery

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$202

Porto AlegreBuenos Aires

POA Porto Alegre Salgado Filho - AEP Buenos Aires Jorge Newbery

POAAEP

Porto Alegre Salgado Filho

Wed 12/2

5:25 pm-5:20 pm

2 stops23h 55m

Buenos Aires Jorge Newbery

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$203

Porto AlegreBuenos Aires

POA Porto Alegre Salgado Filho - AEP Buenos Aires Jorge Newbery

POAAEP

Porto Alegre Salgado Filho

Thu 12/24

2:15 pm-9:20 am

2 stops19h 05m

Buenos Aires Jorge Newbery

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$207

Porto AlegreBuenos Aires

POA Porto Alegre Salgado Filho - AEP Buenos Aires Jorge Newbery

POAAEP

Porto Alegre Salgado Filho

Thu 12/3

12:30 pm-9:20 am

1 stop20h 50m

Buenos Aires Jorge Newbery

Tue 12/8

1:35 pm-12:30 am

1 stop10h 55m

$389

Porto AlegreBuenos Aires

POA Porto Alegre Salgado Filho - AEP Buenos Aires Jorge Newbery

POAAEP

Porto Alegre Salgado Filho

Tue 1/19

5:40 am-1:40 am

1 stop20h 00m

Buenos Aires Jorge Newbery

Tue 1/26

8:30 pm-10:55 pm

1 stop26h 25m

$394

Porto AlegreBuenos Aires

POA Porto Alegre Salgado Filho - AEP Buenos Aires Jorge Newbery

POAAEP

Porto Alegre Salgado Filho

Sat 1/23

9:05 am-11:00 am

Nonstop1h 55m

Buenos Aires Jorge Newbery

Thu 1/28

8:30 pm-10:55 pm

1 stop26h 25m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/7

Showing 1-10 of 15 resultsSorted by cheapest first
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Compare providers for flights from Porto Alegre to Buenos Aires

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto Alegre to Buenos Aires in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

Cheapflights Insights

Everything you need to know about your flight from Porto Alegre to Buenos Aires

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

Currently, March is the cheapest month in which you can book a flight from Porto Alegre to Buenos Aires (average of $267). Flying from Porto Alegre to Buenos Aires in July is currently the most expensive (average of $394). 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?

When flying from Porto Alegre to Buenos Aires, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Airfare is typical for this route at the moment.
Porto Alegre to Buenos Aires flights typically cost between $276 and $382 in December.
The cheapest round-trip price found within the last 5 days was $351 on Multiple Airlines (Dec 5-Dec 12).

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

About 12% of weekly flights between Porto Alegre and Buenos Aires have experienced delays in the past year, with the average delay time being 97 minutes.

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

Historically, flights departing in the early afternoon 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?

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

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

Over the last year, LATAM Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Porto Alegre to Buenos Aires, you should look to book at least 87 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.

Related info for your journey

  • 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.

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

    There are many flights that can get you from Porto Alegre to Buenos Aires in 20h 50m. Fly via GOL to get the fastest option. There are 527 mi between Porto Alegre and Buenos Aires.

  • 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, March is the cheapest month in which you can book a flight from Porto Alegre to Buenos Aires (average of $267). Flying from Porto Alegre to Buenos Aires in July is currently the most expensive (average of $394). 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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