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Porto Alegre

$517+ Cheap flights from Austin (AUS) to Porto Alegre (POA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — POA
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Austin to Porto Alegre

Cheapest flights from Austin to Porto Alegre
Explore the most affordable flight options available from Austin to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This Ovago deal was found by Cheapflights users on 12/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/275:16 amAUS - POA
2 stops32h 14mGOL
sáb. 1/176:25 pmPOA - AUS
2 stops18h 11mGOL
Deal found 12/10$957
This FlightHub deal was found by Cheapflights users on 12/11. 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.
sáb. 12/279:00 amAUS - POA
2 stops29h 00mLATAM Airlines
sáb. 1/177:45 amPOA - AUS
2 stops29h 06mLATAM Airlines
Deal found 12/11$1,165

Find flight deals from Austin to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) 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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$517
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$1,121
Provider with most accurate pricing for Austin Bergstrom-Porto Alegre Salgado Filho flight deals.
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Provider most trusted by Cheapflights users for Austin Bergstrom-Porto Alegre Salgado Filho flights.
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From Austin Bergstrom to Porto Alegre Salgado Filho
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($171 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin 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 diciembre 12, 2025.
Use the filters below to find and compare flights from Austin to Porto Alegre that are best for you.

Fly from

Austin

Fly to

Porto Alegre

Route

Depart

Return

Price

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

lun. 3/2

6:30 am-2:05 pm

2 stops28h 35m

Porto Alegre Salgado Filho

jue. 3/5

3:25 pm-12:05 pm

2 stops23h 40m

$517

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

mié. 3/25

2:22 pm-1:00 pm

2 stops20h 38m

Porto Alegre Salgado Filho

lun. 3/30

6:30 pm-5:34 pm

2 stops25h 04m

$617

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

vie. 3/6

5:07 pm-5:05 pm

2 stops20h 58m

Porto Alegre Salgado Filho

sáb. 3/14

5:05 am-12:20 am

2 stops21h 15m

$717

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

sáb. 1/24

4:48 pm-4:30 pm

2 stops20h 42m

Porto Alegre Salgado Filho

sáb. 1/31

6:25 pm-10:53 am

2 stops19h 28m

$767

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

sáb. 12/27

5:16 am-4:30 pm

2 stops32h 14m

Porto Alegre Salgado Filho

sáb. 1/17

6:25 pm-9:36 am

2 stops18h 11m

$957

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

sáb. 12/27

9:00 am-5:00 pm

2 stops29h 00m

Porto Alegre Salgado Filho

sáb. 1/17

7:45 am-9:51 am

2 stops29h 06m

$1,165

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

sáb. 1/24

11:30 am-12:15 am

2 stops33h 45m

Porto Alegre Salgado Filho

vie. 1/30

1:35 am-12:56 pm

1 stop14h 21m

$2,514

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

mié. 3/25

3:42 pm-5:45 pm

2 stops24h 03m

Porto Alegre Salgado Filho

dom. 3/29

1:25 am-1:51 pm

1 stop14h 26m

$4,803

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Austin to Porto Alegre

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Porto Alegre in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 Austin-Porto Alegre flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Porto Alegre flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Austin-Porto Alegre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Porto Alegre flights, Cheapflights users trust eDreams the most. eDreams 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 Austin-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 Austin to Porto Alegre

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

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

Find hourly flight availability from Austin 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 diciembre 12, 2025.

It’s typically best to fly out from Austin to Porto Alegre in the morning. Doing so could potentially save you 27% on the flight price compared to flying in the afternoon, 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 diciembre 12, 2025.
Read reviews from past customers who have flown LATAM Airlines, GOL, and American Airlines from Austin 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.
LATAM Airlines
7.5
Good
1,887 reviews

Crew

8.1

Food

6.7

Comfort

7.4

Entertainment

7.0

Boarding

7.6

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP
LATAM Airlines
7.5
Good
1,887 reviews
LATAM Airlines
7.5
Good
1,887 reviews

Crew

8.1

Food

6.7

Comfort

7.4

Entertainment

7.0

Boarding

7.6

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP
GOL
7.3
Good
1,127 reviews
LATAM Airlines
7.5
Good
1,887 reviews

Crew

8.1

Food

6.7

Comfort

7.4

Entertainment

7.0

Boarding

7.6

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP
American Airlines
7.2
Good
11,049 reviews
LATAM Airlines
7.5
Good
1,887 reviews

Crew

8.1

Food

6.7

Comfort

7.4

Entertainment

7.0

Boarding

7.6

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP

Related info for your journey

Find useful and relevant information for your journey from Austin to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Austin to Porto Alegre?

    United Airlines, American Airlines, and LATAM Airlines can get you from Austin to Porto Alegre in just under 20h 38m. Your travel time can differ by up to 7h 57m. The distance between Austin and Porto Alegre is about 5158 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on GOL is currently your cheapest option to Porto Alegre, with prices starting at $697. Additional round-trip tickets that might be worth considering are offered by American Airlines and LATAM Airlines, with the lowest prices starting at $709 and $767, respectively. You may be able to fly from Austin to Porto Alegre for 12% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin 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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Alternative routes for Austin to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Porto Alegre flights
George Bush Intcntl to Porto Alegre flights
Dallas/Fort Worth to Porto Alegre flights
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Top 3 airlines flying from Austin to Porto Alegre

Discover the top 3 airlines that operate flights from Austin to Porto Alegre. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
GOLCheapest$697Average$1,594FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$709Average$745FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$767Average$817FlexibilityNo cancel feeOn-time81%

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