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$338+ Cheap flights from Porto Alegre (POA) to Austin (AUS)

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
POA — AUS
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Porto Alegre to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Porto Alegre (POA) to Austin (AUS). 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 January 8, 2026.

Round-trip from

$704
(Mytrip)

One-way from

$338
(United Airlines)

Popular in

January

Cheapest in

February

Average price

$1,188
From Porto Alegre Salgado Filho to Austin Bergstrom
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One-way flight from Porto Alegre Salgado Filho to Austin Bergstrom
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Highest demand for flights based on searches. 15% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Porto Alegre to Austin

Cheapest flights from Porto Alegre to Austin
Explore the most affordable flight options available from Porto Alegre to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/6. 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.
Thu 9/242:05 pmPOA - AUS
2 stops34h 24mUnited Airlines
Mon 9/283:35 pmAUS - POA
2 stops20h 30mUnited Airlines
Deal found 1/6$615
This Mytrip deal was found by Cheapflights users on 1/8. 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.
Sun 2/229:00 pmPOA - AUS
3 stops26h 53mMultiple Airlines
Sun 3/111:34 amAUS - POA
2 stops33h 51mMultiple Airlines
Deal found 1/8$704
This American Airlines deal was found by Cheapflights users on 1/8. 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.
Sun 2/225:55 pmPOA - AUS
2 stops18h 38mAmerican Airlines
Sun 3/14:27 pmAUS - POA
2 stops22h 18mAmerican Airlines
Deal found 1/8$729
This United Airlines deal was found by Cheapflights users on 1/7. 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 9/83:25 pmPOA - AUS
2 stops24h 06mUnited Airlines
Sun 9/204:00 pmAUS - POA
2 stops22h 20mUnited Airlines
Deal found 1/7$734
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 10/242:50 pmPOA - AUS
2 stops21h 13mAmerican Airlines
Sat 11/75:32 amAUS - POA
2 stops26h 03mAmerican Airlines
Deal found 1/7$765
This GOL deal was found by Cheapflights users on 1/8. 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 1/167:20 pmPOA - AUS
2 stops30h 44mGOL
Fri 1/235:53 pmAUS - POA
2 stops21h 47mGOL
Deal found 1/8$1,228
This 123 Milhas deal was found by Cheapflights users on 1/7. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:20 amPOA - AUS
1 stop14h 28mCopa Airlines
Sat 11/72:17 pmAUS - POA
1 stop31h 13mCopa Airlines
Deal found 1/7$1,303

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto Alegre to Austin 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 January 8, 2026.
Use the filters below to find and compare flights from Porto Alegre to Austin that are best for you.

Fly from

Porto Alegre

Fly to

Austin

Route

Depart

Return

Price

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Sun 2/22

9:00 pm-8:53 pm

3 stops26h 53m

Austin Bergstrom

Sun 3/1

11:34 am-12:25 am

2 stops33h 51m

$704

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Sun 2/22

5:55 pm-9:33 am

2 stops18h 38m

Austin Bergstrom

Sun 3/1

4:27 pm-5:45 pm

2 stops22h 18m

$729

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Sun 2/22

3:30 pm-8:39 am

2 stops20h 09m

Austin Bergstrom

Sun 3/1

3:50 pm-2:10 pm

2 stops43h 20m

$4,085

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Mon 2/9

3:25 pm-8:49 pm

2 stops32h 24m

$338

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Sun 2/8

1:30 am-1:08 pm

1 stop14h 38m

$352

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Fri 5/15

2:00 pm-10:36 am

2 stops22h 36m

$363

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Fri 5/15

10:30 am-10:04 am

3 stops49h 34m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Best time to book a flight from Porto Alegre to Austin

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

Related info for your journey

Find useful and relevant information for your journey from Porto Alegre to Austin. 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 Porto Alegre to Austin?

    There are many flights that can get you from Porto Alegre to Austin in 18h 38m. Fly via American Airlines to get the fastest option. The distance from Porto Alegre to Austin is about 5158 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto Alegre to Austin 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

Traveling to a place near Austin?

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