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Porto Alegre

$244+ Cheap flights from Austin (AUS) 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — POA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 July 29, 2025.

Round-trip from

$513
(American Airlines)

One-way from

$244
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$944
From Austin Bergstrom to Porto Alegre Salgado Filho
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One-way flight from Austin Bergstrom to Porto Alegre Salgado Filho
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Highest demand for flights based on searches. 26% potential increase in price ($298 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($61 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:00 amAUS - POA
2 stops25h 25mAmerican Airlines
Tue 9/91:55 pmPOA - AUS
2 stops23h 43mAmerican Airlines
Deal found 7/27$513
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/144:55 pmAUS - POA
2 stops21h 15mUnited Airlines
Tue 10/215:10 pmPOA - AUS
3 stops24h 10mUnited Airlines
Deal found 7/27$515
This oojo deal was found by Cheapflights users on 7/28. 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.
Wed 9/174:09 pmAUS - POA
2 stops22h 06mGOL
Sun 9/218:00 pmPOA - AUS
2 stops40h 29mGOL
Deal found 7/28$642
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Wed 9/173:29 pmAUS - POA
1 stop30h 51mMultiple Airlines
Sun 9/218:25 amPOA - AUS
2 stops27h 35mMultiple Airlines
Deal found 7/28$694
This TeaFlight deal was found by Cheapflights users on 7/28. 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 TeaFlight is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/23:29 pmAUS - POA
1 stop30h 46mCopa Airlines
Fri 9/121:27 amPOA - AUS
1 stop14h 27mCopa Airlines
Deal found 7/28$1,053

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 July 29, 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

Tue 8/12

7:00 am-10:25 am

2 stops25h 25m

Porto Alegre Salgado Filho

Tue 9/9

1:55 pm-11:38 am

2 stops23h 43m

$513

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

Tue 10/14

4:55 pm-4:10 pm

2 stops21h 15m

Porto Alegre Salgado Filho

Tue 10/21

5:10 pm-3:20 pm

3 stops24h 10m

$515

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

Wed 9/17

4:09 pm-4:15 pm

2 stops22h 06m

Porto Alegre Salgado Filho

Sun 9/21

8:00 pm-10:29 am

2 stops40h 29m

$642

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

Wed 9/17

3:29 pm-12:20 am

1 stop30h 51m

Porto Alegre Salgado Filho

Sun 9/21

8:25 am-10:00 am

2 stops27h 35m

$694

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

Sat 8/2

3:29 pm-12:15 am

1 stop30h 46m

Porto Alegre Salgado Filho

Fri 9/12

1:27 am-1:54 pm

1 stop14h 27m

$1,053

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

Mon 9/22

5:25 pm-4:10 pm

2 stops20h 45m

$244

AustinPorto Alegre

AUS - POA

AUSPOA

Austin Bergstrom

Wed 9/24

11:26 am-10:25 am

2 stops20h 59m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 July 29, 2025.

It’s typically best to fly out from Austin to Porto Alegre in the morning. Doing so could potentially save you 28% 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 July 29, 2025.
Read reviews from past customers who have flown Copa Airlines, United Airlines, and GOL 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.
Copa Airlines
7.5
Good
1,493 reviews

Boarding

7.8

Overall

7.5

Entertainment

6.8

Comfort

7.4

Crew

8.1

Food

6.8

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
Copa Airlines
7.5
Good
1,493 reviews
Copa Airlines
7.5
Good
1,493 reviews

Boarding

7.8

Overall

7.5

Entertainment

6.8

Comfort

7.4

Crew

8.1

Food

6.8

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
United Airlines
7.4
Good
8,899 reviews
Copa Airlines
7.5
Good
1,493 reviews

Boarding

7.8

Overall

7.5

Entertainment

6.8

Comfort

7.4

Crew

8.1

Food

6.8

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
GOL
7.3
Good
1,091 reviews
Copa Airlines
7.5
Good
1,493 reviews

Boarding

7.8

Overall

7.5

Entertainment

6.8

Comfort

7.4

Crew

8.1

Food

6.8

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
American Airlines
7.2
Good
10,000 reviews
Copa Airlines
7.5
Good
1,493 reviews

Boarding

7.8

Overall

7.5

Entertainment

6.8

Comfort

7.4

Crew

8.1

Food

6.8

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.

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.

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

    Flying on American Airlines is currently your cheapest option to Porto Alegre, with prices starting at $513. Additional round-trip tickets that might be worth considering are offered by United Airlines and GOL, with the lowest prices starting at $515 and $642, respectively. You may be able to fly from Austin to Porto Alegre for 37% 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.

See more FAQs

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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.
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Top airline flying from Austin to Porto Alegre

Discover the top airline 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$709Average$768FlexibilityNo cancel feeOn-time71%

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