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Cheap flights from Porto Alegre to Austin from $515

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Porto Alegre to Austin departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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

American Airlines Logo
1:55 pm - 10:29 amPOA-AUS
22h 34m2 stops
American Airlines Logo
11:26 am - 10:25 amAUS-POA
20h 59m2 stops
$515American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
American Airlines Logo
1:55 pm - 10:29 amPOA-AUS
22h 34m2 stops
American Airlines Logo
11:26 am - 10:25 amAUS-POA
20h 59m2 stops
$537American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
United Airlines Logo
3:10 pm - 8:30 amPOA-AUS
19h 20m2 stops
United Airlines Logo
7:47 pm - 4:10 pmAUS-POA
42h 23m2 stops
$546United Airlines
Find Deal
Sun, Oct 5 - Sun, Oct 12
United Airlines Logo
5:10 pm - 11:42 amPOA-AUS
20h 32m2 stops
United Airlines Logo
4:55 pm - 2:35 pmAUS-POA
19h 40m2 stops
$548United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
United Airlines Logo
3:25 pm - 11:02 amPOA-AUS
21h 37m2 stops
United Airlines Logo
2:15 pm - 4:10 pmAUS-POA
23h 55m2 stops
$611United Airlines
Find Deal
Tue, Sep 16 - Thu, Sep 25
United Airlines Logo
3:25 pm - 10:58 amPOA-AUS
21h 33m2 stops
United Airlines Logo
9:44 am - 10:55 amAUS-POA
23h 11m2 stops
$614United Airlines
Find Deal
Tue, Sep 16 - Thu, Sep 25
Copa Airlines Logo
1:35 am - 1:54 pmPOA-AUS
14h 19m1 stop
Copa Airlines Logo
2:29 pm - 12:30 amAUS-POA
31h 01m1 stop
$710Copa Airlines
Find Deal
Fri, Oct 31 - Thu, Nov 20
Logo
5:50 pm - 11:56 pmPOA-AUS
32h 06m3 stops
Logo
6:00 am - 6:20 pmAUS-POA
34h 20m3 stops
$821
Find Deal
Sun, Oct 5 - Sun, Oct 12
Logo
10:30 am - 10:17 amPOA-AUS
25h 47m2 stops
Logo
6:00 am - 6:20 pmAUS-POA
34h 20m3 stops
$825
Find Deal
Sun, Oct 5 - Sun, Oct 12
Copa Airlines Logo
1:35 am - 1:54 pmPOA-AUS
14h 19m1 stop
Copa Airlines Logo
2:29 pm - 8:10 pmAUS-POA
26h 41m2 stops
$5,443Copa Airlines
Find Deal
Fri, Oct 31 - Thu, Nov 20

American Airlines flights from Porto Alegre to Austin

Our best American Airlines deals on Porto Alegre to Austin flight tickets
American Airlines
Sep 9
POA1:55 pmPorto Alegre Salgado Filho
22h 34m
2 stops
AUS10:29 amAustin Bergstrom
Sep 16
AUS11:26 amAustin Bergstrom
20h 59m
2 stops
POA10:25 amPorto Alegre Salgado Filho
$515
Find similar
American Airlines
Sep 9
POA1:55 pmPorto Alegre Salgado Filho
22h 34m
2 stops
AUS10:29 amAustin Bergstrom
Sep 16
AUS11:26 amAustin Bergstrom
20h 59m
2 stops
POA10:25 amPorto Alegre Salgado Filho
$537
Find similar
American Airlines
Nov 2
POA8:20 pmPorto Alegre Salgado Filho
17h 23m
2 stops
AUS10:43 amAustin Bergstrom
Nov 9
AUS7:00 amAustin Bergstrom
23h 55m
2 stops
POA9:55 amPorto Alegre Salgado Filho
$625
Find similar

United Airlines flights from Porto Alegre to Austin

Our best United Airlines deals on Porto Alegre to Austin flight tickets
United Airlines
Oct 5
POA3:10 pmPorto Alegre Salgado Filho
19h 20m
2 stops
AUS8:30 amAustin Bergstrom
Oct 12
AUS7:47 pmAustin Bergstrom
42h 23m
2 stops
POA4:10 pmPorto Alegre Salgado Filho
$546
Find similar
United Airlines
Sep 9
POA5:10 pmPorto Alegre Salgado Filho
20h 32m
2 stops
AUS11:42 amAustin Bergstrom
Sep 16
AUS4:55 pmAustin Bergstrom
19h 40m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
$548
Find similar
United Airlines
Sep 16
POA3:25 pmPorto Alegre Salgado Filho
21h 37m
2 stops
AUS11:02 amAustin Bergstrom
Sep 25
AUS2:15 pmAustin Bergstrom
23h 55m
2 stops
POA4:10 pmPorto Alegre Salgado Filho
$611
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 August 21, 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 9/9

1:55 pm-10:29 am

2 stops22h 34m

Austin Bergstrom

Tue 9/16

11:26 am-10:25 am

2 stops20h 59m

$515

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Tue 9/9

1:55 pm-10:29 am

2 stops22h 34m

Austin Bergstrom

Tue 9/16

11:26 am-10:25 am

2 stops20h 59m

$537

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Sun 10/5

3:10 pm-8:30 am

2 stops19h 20m

Austin Bergstrom

Sun 10/12

7:47 pm-4:10 pm

2 stops42h 23m

$546

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Tue 9/9

5:10 pm-11:42 am

2 stops20h 32m

Austin Bergstrom

Tue 9/16

4:55 pm-2:35 pm

2 stops19h 40m

$548

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Tue 9/16

3:25 pm-11:02 am

2 stops21h 37m

Austin Bergstrom

Thu 9/25

2:15 pm-4:10 pm

2 stops23h 55m

$611

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Tue 9/16

3:25 pm-10:58 am

2 stops21h 33m

Austin Bergstrom

Thu 9/25

9:44 am-10:55 am

2 stops23h 11m

$614

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Fri 10/31

1:35 am-1:54 pm

1 stop14h 19m

Austin Bergstrom

Thu 11/20

2:29 pm-12:30 am

1 stop31h 01m

$710

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Sun 10/5

5:50 pm-11:56 pm

3 stops32h 06m

Austin Bergstrom

Sun 10/12

6:00 am-6:20 pm

3 stops34h 20m

$821

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Sun 10/5

10:30 am-10:17 am

2 stops25h 47m

Austin Bergstrom

Sun 10/12

6:00 am-6:20 pm

3 stops34h 20m

$825

Porto AlegreAustin

POA - AUS

POAAUS

Porto Alegre Salgado Filho

Fri 10/31

1:35 am-1:54 pm

1 stop14h 19m

Austin Bergstrom

Thu 11/20

2:29 pm-8:10 pm

2 stops26h 41m

$5,443

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Austin from

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 cheapest month to fly to Austin?

The cheapest month to fly to Austin from Porto Alegre is in October. Flight prices, which tend to average around $547, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in October, then July is your next best option. Flight prices from Porto Alegre to Austin during July average around $598.

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

Direct flights

None
There are no direct flights from Porto Alegre to Austin. There are no popular flight routes from Porto Alegre to Austin.
Search flight deals

  • 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 19m.

  • 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?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
San Marcos
Round Rock
Wimberley
Georgetown
Canyon Lake
Marble Falls
Horseshoe Bay
Dripping Springs
Cedar Park
Pflugerville
Seguin
Kyle
Bastrop
Buda
Flatonia

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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