$244 Cheap Flights from Austin (AUS) to Porto Alegre (POA)

View $244 flight on Sat, Mar 14, 2026Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Salgado Filho Intl. Airport (POA)

Cheap Flights from Austin to Porto Alegre (AUS-POA)

Prices were available within the past 7 days and start at $244 for one-way flights and $518 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Feb 1 - Wed, Feb 18
AUS
Austin
POA
Porto Alegre
$518 Roundtrip, found 3 days ago
$518
Roundtrip
found 3 days ago
Select United flight, departing Sun, Feb 1 from Austin to Porto Alegre, returning Wed, Feb 18, priced at $518 found 3 days ago
Copa
Thu, Mar 5 - Fri, Mar 13
AUS
Austin
POA
Porto Alegre
$546 Roundtrip, found 1 day ago
$546
Roundtrip
found 1 day ago
Select Copa flight, departing Thu, Mar 5 from Austin to Porto Alegre, returning Fri, Mar 13, priced at $546 found 1 day ago
Copa
Wed, Mar 4 - Mon, Mar 16
AUS
Austin
POA
Porto Alegre
$566 Roundtrip, found 1 day ago
$566
Roundtrip
found 1 day ago
Select Copa flight, departing Wed, Mar 4 from Austin to Porto Alegre, returning Mon, Mar 16, priced at $566 found 1 day ago
Copa
Mon, Mar 2 - Fri, Mar 13
AUS
Austin
POA
Porto Alegre
$570 Roundtrip, found 1 day ago
$570
Roundtrip
found 1 day ago
Select Copa flight, departing Mon, Mar 2 from Austin to Porto Alegre, returning Fri, Mar 13, priced at $570 found 1 day ago
Copa
Sat, Feb 28 - Mon, Mar 9
AUS
Austin
POA
Porto Alegre
$586 Roundtrip, found 3 days ago
$586
Roundtrip
found 3 days ago
Select Copa flight, departing Sat, Feb 28 from Austin to Porto Alegre, returning Mon, Mar 9, priced at $586 found 3 days ago
Copa
Mon, Mar 2 - Mon, Mar 16
AUS
Austin
POA
Porto Alegre
$590 Roundtrip, found 1 day ago
$590
Roundtrip
found 1 day ago
Select Copa flight, departing Mon, Mar 2 from Austin to Porto Alegre, returning Mon, Mar 16, priced at $590 found 1 day ago
Copa
Mon, Feb 23 - Thu, Mar 12
AUS
Austin
POA
Porto Alegre
$594 Roundtrip, found 3 days ago
$594
Roundtrip
found 3 days ago
Select Copa flight, departing Mon, Feb 23 from Austin to Porto Alegre, returning Thu, Mar 12, priced at $594 found 3 days ago
Delta
Wed, Mar 4 - Fri, Mar 13
AUS
Austin
POA
Porto Alegre
$669 Roundtrip, found 1 day ago
$669
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 4 from Austin to Porto Alegre, returning Fri, Mar 13, priced at $669 found 1 day ago
LATAM Airlines Group
Tue, Mar 17 - Wed, Mar 18
AUS
Austin
POA
Porto Alegre
$737 Roundtrip, found 3 days ago
$737
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Tue, Mar 17 from Austin to Porto Alegre, returning Wed, Mar 18, priced at $737 found 3 days ago
American Airlines
Thu, Mar 19 - Wed, Apr 1
AUS
Austin
POA
Porto Alegre
$768 Roundtrip, found 3 days ago
$768
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Mar 19 from Austin to Porto Alegre, returning Wed, Apr 1, priced at $768 found 3 days ago

Alternative airports near Porto Alegre

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Salgado Filho Intl. POA. Cheapest and Closest option available. Average driving time to city center is 23 minutes. Flights from $1,378
POA
Salgado Filho Intl.
CheapestClosest
Average driving time to city center23 min
Flights from $1,378
Flights from Austin (AUS) to Porto Alegre (POA)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Salgado Filho Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, GOL Linhas Aereas S.A., LATAM Airlines Group, United
Roundtrip price
$517
Distance
5160 mi

Austin to Porto Alegre Flights

The cheapest times to fly from Austin to Porto Alegre

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Austin to Porto Alegre are during the month of February. You can find some of the cheapest flights from Austin to Porto Alegre with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Austin to Porto Alegre

Sunday is one of the best days to book for cheap flights from Austin to Porto Alegre: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Austin to Porto Alegre

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Austin to Porto Alegre in 2026. You can also book with separate airlines for your outbound and return journeys, from $244 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Austin to Porto Alegre flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Austin to Porto Alegre airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Salgado Filho Intl. Airport (POA) cost?
Grab a cheap one-way flight from $244 or cheap return flight from $518 from Austin-Bergstrom Intl. Airport (AUS) to Salgado Filho Intl. Airport (POA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to Salgado Filho Intl. Airport (POA)?
Planning your trip for February may help you find better deals, as it's the cheapest month for flights between AUS and POA. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Salgado Filho Intl. Airport (POA)?
To find the cheapest airline that'll fly you from AUS to POA, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Salgado Filho Intl. Airport (POA)?
You'll have to book a flight with a layover if you're traveling from Austin-Bergstrom Intl. Airport (AUS) to Salgado Filho Intl. Airport (POA). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from AUS to POA?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to Salgado Filho Intl. Airport (POA)?
To arrive at Salgado Filho Intl. Airport (POA) without delays, book a flight that leaves Austin-Bergstrom Intl. Airport (AUS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Austin-Bergstrom Intl. Airport (AUS) to Salgado Filho Intl. Airport (POA) last-minute?
Booking your plane ticket from AUS to POA just before your trip is generally more expensive. However, if there's some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book an AUS to POA flight and hotel package?
Compared with arranging flights and hotels separately, booking an AUS to POA flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the hassle out of planning your trip. Simply pick your flights and select from our wide range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Salgado Filho Intl. Airport (POA)?
If you reserved your AUS to POA flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.