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Cheap flights from Porto Alegre to Austin from $584

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto Alegre to Austin departing on 12/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Find the cheapest flights from Porto Alegre to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:30 pm - 1:14 pmPOA-AUS
23h 44m2 stops
United Airlines Logo
3:35 pm - 4:20 pmAUS-POA
22h 45m2 stops
$734United Airlines
Find Deal
Tue, Mar 24 - Tue, May 5
American Airlines Logo
7:20 pm - 10:53 amPOA-AUS
18h 33m2 stops
American Airlines Logo
11:21 am - 10:55 amAUS-POA
20h 34m2 stops
$1,003American Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
3:25 pm - 9:35 pmPOA-AUS
33h 10m3 stops
Multiple Airlines Logo
7:25 am - 11:15 pmAUS-POA
36h 50m3 stops
$1,042Multiple Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21
LATAM Airlines Logo
6:40 am - 12:37 amPOA-AUS
20h 57m2 stops
LATAM Airlines Logo
3:05 pm - 6:45 pmAUS-POA
24h 40m2 stops
$1,208LATAM Airlines
Find Deal
Tue, Dec 23 - Thu, Jan 8
Multiple Airlines Logo
7:40 pm - 10:34 amPOA-AUS
17h 54m2 stops
Multiple Airlines Logo
7:25 am - 11:15 pmAUS-POA
36h 50m3 stops
$1,243Multiple Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21
GOL Logo
6:25 pm - 9:15 amPOA-AUS
17h 50m2 stops
GOL Logo
2:50 pm - 9:00 pmAUS-POA
27h 10m2 stops
$1,266GOL
Find Deal
Tue, Dec 23 - Thu, Jan 8
Multiple Airlines Logo
4:30 am - 9:37 amPOA-AUS
32h 07m2 stops
Multiple Airlines Logo
5:10 pm - 5:05 pmAUS-POA
20h 55m2 stops
$1,290Multiple Airlines
Find Deal
Tue, Jan 13 - Wed, Jan 21
American Airlines Logo
6:25 pm - 9:15 amPOA-AUS
17h 50m2 stops
American Airlines Logo
3:21 pm - 5:45 pmAUS-POA
23h 24m2 stops
$1,291American Airlines
Find Deal
Tue, Dec 23 - Thu, Jan 8
LATAM Airlines Logo
4:40 am - 9:46 pmPOA-AUS
20h 06m2 stops
LATAM Airlines Logo
3:05 pm - 6:45 pmAUS-POA
24h 40m2 stops
$1,602LATAM Airlines
Find Deal
Mon, Dec 22 - Thu, Jan 8
LATAM Airlines Logo
4:40 am - 9:46 pmPOA-AUS
20h 06m2 stops
LATAM Airlines Logo
5:10 pm - 5:05 pmAUS-POA
20h 55m2 stops
$1,745LATAM Airlines
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Mon, Dec 22 - Thu, Jan 8

American Airlines flights from Porto Alegre to Austin

Our best American Airlines deals on Porto Alegre to Austin flight tickets
American Airlines
Jan 14
POA7:20 pmPorto Alegre Salgado Filho
18h 33m
2 stops
AUS10:53 amAustin Bergstrom
Jan 21
AUS11:21 amAustin Bergstrom
20h 34m
2 stops
POA10:55 amPorto Alegre Salgado Filho
$1,003
Find similar
American Airlines
Dec 23
POA6:25 pmPorto Alegre Salgado Filho
17h 50m
2 stops
AUS9:15 amAustin Bergstrom
Jan 8
AUS3:21 pmAustin Bergstrom
23h 24m
2 stops
POA5:45 pmPorto Alegre Salgado Filho
$1,291
Find similar

LATAM Airlines flights from Porto Alegre to Austin

Our best LATAM Airlines deals on Porto Alegre to Austin flight tickets
LATAM Airlines
Dec 23
POA6:40 amPorto Alegre Salgado Filho
20h 57m
2 stops
AUS12:37 amAustin Bergstrom
Jan 8
AUS3:05 pmAustin Bergstrom
24h 40m
2 stops
POA6:45 pmPorto Alegre Salgado Filho
$1,208
Find similar
LATAM Airlines
Dec 22
POA4:40 amPorto Alegre Salgado Filho
20h 06m
2 stops
AUS9:46 pmAustin Bergstrom
Jan 8
AUS3:05 pmAustin Bergstrom
24h 40m
2 stops
POA6:45 pmPorto Alegre Salgado Filho
$1,602
Find similar
LATAM Airlines
Dec 22
POA4:40 amPorto Alegre Salgado Filho
20h 06m
2 stops
AUS9:46 pmAustin Bergstrom
Jan 8
AUS5:10 pmAustin Bergstrom
20h 55m
2 stops
POA5:05 pmPorto Alegre Salgado Filho
$1,745
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 2, 2025.
Use the filters below to find and compare flights from Porto Alegre to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Tue 3/24

3:30 pm-1:14 pm

2 stops23h 44m

Austin Bergstrom

Tue 5/5

3:35 pm-4:20 pm

2 stops22h 45m

$734

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Wed 1/14

7:20 pm-10:53 am

2 stops18h 33m

Austin Bergstrom

Wed 1/21

11:21 am-10:55 am

2 stops20h 34m

$1,003

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Wed 1/14

3:25 pm-9:35 pm

3 stops33h 10m

Austin Bergstrom

Wed 1/21

7:25 am-11:15 pm

3 stops36h 50m

$1,042

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Tue 12/23

6:40 am-12:37 am

2 stops20h 57m

Austin Bergstrom

Thu 1/8

3:05 pm-6:45 pm

2 stops24h 40m

$1,208

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Wed 1/14

7:40 pm-10:34 am

2 stops17h 54m

Austin Bergstrom

Wed 1/21

7:25 am-11:15 pm

3 stops36h 50m

$1,243

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Tue 12/23

6:25 pm-9:15 am

2 stops17h 50m

Austin Bergstrom

Thu 1/8

2:50 pm-9:00 pm

2 stops27h 10m

$1,266

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Tue 1/13

4:30 am-9:37 am

2 stops32h 07m

Austin Bergstrom

Wed 1/21

5:10 pm-5:05 pm

2 stops20h 55m

$1,290

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Tue 12/23

6:25 pm-9:15 am

2 stops17h 50m

Austin Bergstrom

Thu 1/8

3:21 pm-5:45 pm

2 stops23h 24m

$1,291

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Mon 12/22

4:40 am-9:46 pm

2 stops20h 06m

Austin Bergstrom

Thu 1/8

3:05 pm-6:45 pm

2 stops24h 40m

$1,602

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Mon 12/22

4:40 am-9:46 pm

2 stops20h 06m

Austin Bergstrom

Thu 1/8

5:10 pm-5:05 pm

2 stops20h 55m

$1,745

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Porto Alegre to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Porto Alegre and Austin?

When to book flights from Porto Alegre to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Porto Alegre to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Porto Alegre to Austin (POA to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto Alegre to Austin

Fastest flight time

17h 50m

Direct flights

None
The fastest flight from Porto Alegre to Austin takes 17h 50m
There are no direct flights from Porto Alegre to Austin. There are no popular flight routes from Porto Alegre to Austin.
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  • How far is Porto Alegre Salgado Filho to Austin Bergstrom by plane?

    There are 5165.2 mi between Porto Alegre Salgado Filho and Austin Bergstrom. By plane, this route typically takes 14h 11m.

  • When did momondo last update prices for flights from Porto Alegre Salgado Filho Airport to Austin Bergstrom Airport?

    Prices for flights from Porto Alegre Salgado Filho Airport to Austin Bergstrom Airport refresh daily.

  • How old do you have to be to fly from Porto Alegre Salgado Filho Airport to Austin Bergstrom Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Porto Alegre Salgado Filho Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The required travel and health documents for your Austin Bergstrom Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Austin Bergstrom Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Austin?

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Why use momondo?

Why should I use momondo to find a flight deal from Porto Alegre to Austin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Porto Alegre to Austin. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Porto Alegre to Austin with flexible booking policies on momondo?

Yes. All flights to Austin from Porto Alegre on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Porto Alegre to Austin?

momondo helps you find the best flight between Porto Alegre and Austin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Porto Alegre to Austin right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Austin, momondo offers a useful price alert feature which will track prices for flights to Austin from Porto Alegre and alert you when they change.

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