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Cheap flights from Texas to Porto Alegre from $374

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Texas to Porto Alegre departing on 12/5. 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
1 adult, Economy, 0 bags

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Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

Find the cheapest flights from Texas to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
8:35 am - 6:40 amAUS  Austin Bergstrom-POA Porto Alegre Salgado Filho
19h 05m2 stops Miami Lima J Chavez Intl
LATAM Airlines Logo
3:30 am - 9:42 pmPOA  Porto Alegre Salgado Filho-AUS Austin Bergstrom
21h 12m2 stops Sao Paulo Guarulhos Intl Miami
$745LATAM Airlines
Mon, Nov 9 - Tue, Nov 10
LATAM Airlines Logo
8:35 am - 6:40 amAUS  Austin Bergstrom-POA Porto Alegre Salgado Filho
19h 05m2 stops Miami Lima J Chavez Intl
LATAM Airlines Logo
3:30 am - 9:42 pmPOA  Porto Alegre Salgado Filho-AUS Austin Bergstrom
21h 12m2 stops Sao Paulo Guarulhos Intl Miami
$795LATAM Airlines
Mon, Nov 9 - Tue, Nov 10
LATAM Airlines Logo
1:34 pm - 7:20 pmAUS  Austin Bergstrom-POA Porto Alegre Salgado Filho
27h 46m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
6:40 am - 9:35 pmPOA  Porto Alegre Salgado Filho-AUS Austin Bergstrom
16h 55m2 stops Sao Paulo Guarulhos Intl Miami
$921LATAM Airlines
Fri, Sep 11 - Sat, Sep 19
GOL Logo
12:59 pm - 3:40 pmAUS  Austin Bergstrom-POA Porto Alegre Salgado Filho
24h 41m2 stops Miami Sao Paulo Guarulhos Intl
GOL Logo
7:35 pm - 10:43 amPOA  Porto Alegre Salgado Filho-AUS Austin Bergstrom
18h 08m2 stops Sao Paulo Guarulhos Intl Miami
$922GOL
Wed, Oct 14 - Tue, Nov 17
Multiple Airlines Logo
2:18 pm - 11:35 amIAH  Houston George Bush Intcntl-POA Porto Alegre Salgado Filho
19h 17m2 stops Miami Brasilia
Multiple Airlines Logo
5:30 pm - 7:17 amPOA  Porto Alegre Salgado Filho-IAH Houston George Bush Intcntl
39h 47m3 stops Brasilia Miami Atlanta Hartsfield-Jackson
$948Multiple Airlines
Fri, Sep 11 - Sun, Sep 13
American Airlines Logo
11:55 am - 10:40 amAUS  Austin Bergstrom-POA Porto Alegre Salgado Filho
20h 45m2 stops Miami Sao Paulo Guarulhos Intl
American Airlines Logo
2:55 pm - 11:12 amPOA  Porto Alegre Salgado Filho-AUS Austin Bergstrom
22h 17m2 stops Sao Paulo Guarulhos Intl Miami
$972American Airlines
Fri, Sep 11 - Sat, Sep 19
GOL Logo
10:52 am - 10:50 amAUS  Austin Bergstrom-POA Porto Alegre Salgado Filho
21h 58m2 stops Miami Sao Paulo Guarulhos Intl
GOL Logo
3:45 pm - 11:22 amPOA  Porto Alegre Salgado Filho-AUS Austin Bergstrom
21h 37m2 stops Rio de Janeiro–Galeão Intl Miami
$1,014GOL
Mon, Aug 31 - Mon, Sep 7
GOL Logo
10:46 am - 11:35 pmIAH  Houston George Bush Intcntl-POA Porto Alegre Salgado Filho
34h 49m2 stops Miami Brasilia
GOL Logo
4:40 am - 9:59 pmPOA  Porto Alegre Salgado Filho-IAH Houston George Bush Intcntl
19h 19m2 stops Brasilia Miami
$1,029GOL
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
2:18 pm - 2:40 pmIAH  Houston George Bush Intcntl-POA Porto Alegre Salgado Filho
22h 22m2 stops Miami Sao Paulo Guarulhos Intl
Multiple Airlines Logo
4:45 am - 1:33 pmPOA  Porto Alegre Salgado Filho-IAH Houston George Bush Intcntl
34h 48m2 stops Sao Paulo Guarulhos Intl Miami
$1,037Multiple Airlines
Fri, Sep 11 - Sun, Sep 13
American Airlines Logo
1:56 pm - 3:35 pmHOU  Houston Hobby-POA Porto Alegre Salgado Filho
23h 39m2 stops Dallas/Fort Worth Sao Paulo Guarulhos Intl
American Airlines Logo
2:05 pm - 1:25 pmPOA  Porto Alegre Salgado Filho-HOU Houston Hobby
25h 20m2 stops Sao Paulo Guarulhos Intl Dallas/Fort Worth
$1,542American Airlines
Sat, Sep 12 - Fri, Sep 18

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LATAM Airlines flights from Texas to Porto Alegre

Our best LATAM Airlines deals on Texas to Porto Alegre flight tickets
LATAM Airlines
Nov 9
AUS8:35 amAustin Bergstrom
19h 05m
2 stops
POA6:40 amPorto Alegre Salgado Filho
Nov 10
POA3:30 amPorto Alegre Salgado Filho
21h 12m
2 stops
AUS9:42 pmAustin Bergstrom
$745
LATAM Airlines
Nov 9
AUS8:35 amAustin Bergstrom
19h 05m
2 stops
POA6:40 amPorto Alegre Salgado Filho
Nov 10
POA3:30 amPorto Alegre Salgado Filho
21h 12m
2 stops
AUS9:42 pmAustin Bergstrom
$795
LATAM Airlines
Sep 11
AUS1:34 pmAustin Bergstrom
27h 46m
2 stops
POA7:20 pmPorto Alegre Salgado Filho
Sep 19
POA6:40 amPorto Alegre Salgado Filho
16h 55m
2 stops
AUS9:35 pmAustin Bergstrom
$921

GOL flights from Texas to Porto Alegre

Our best GOL deals on Texas to Porto Alegre flight tickets
GOL
Oct 14
AUS12:59 pmAustin Bergstrom
24h 41m
2 stops
POA3:40 pmPorto Alegre Salgado Filho
Nov 17
POA7:35 pmPorto Alegre Salgado Filho
18h 08m
2 stops
AUS10:43 amAustin Bergstrom
$922
GOL
Aug 31
AUS10:52 amAustin Bergstrom
21h 58m
2 stops
POA10:50 amPorto Alegre Salgado Filho
Sep 7
POA3:45 pmPorto Alegre Salgado Filho
21h 37m
2 stops
AUS11:22 amAustin Bergstrom
$1,014
GOL
Sep 10
IAH10:46 amHouston George Bush Intcntl
34h 49m
2 stops
POA11:35 pmPorto Alegre Salgado Filho
Sep 17
POA4:40 amPorto Alegre Salgado Filho
19h 19m
2 stops
IAH9:59 pmHouston George Bush Intcntl
$1,029

momondo Fare Finder

 
Customize your flight search to find flights from Texas 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, momondo users made 832,500 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Texas to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

AustinPorto Alegre

AUS Austin Bergstrom - POA Porto Alegre Salgado Filho

AUSPOA

Austin Bergstrom

Mon 11/9

8:35 am-6:40 am

2 stops19h 05m

Porto Alegre Salgado Filho

Tue 11/10

3:30 am-9:42 pm

2 stops21h 12m

$745

AustinPorto Alegre

AUS Austin Bergstrom - POA Porto Alegre Salgado Filho

AUSPOA

Austin Bergstrom

Mon 11/9

8:35 am-6:40 am

2 stops19h 05m

Porto Alegre Salgado Filho

Tue 11/10

3:30 am-9:42 pm

2 stops21h 12m

$795

AustinPorto Alegre

AUS Austin Bergstrom - POA Porto Alegre Salgado Filho

AUSPOA

Austin Bergstrom

Fri 9/11

1:34 pm-7:20 pm

2 stops27h 46m

Porto Alegre Salgado Filho

Sat 9/19

6:40 am-9:35 pm

2 stops16h 55m

$921

AustinPorto Alegre

AUS Austin Bergstrom - POA Porto Alegre Salgado Filho

AUSPOA

Austin Bergstrom

Wed 10/14

12:59 pm-3:40 pm

2 stops24h 41m

Porto Alegre Salgado Filho

Tue 11/17

7:35 pm-10:43 am

2 stops18h 08m

$922

HoustonPorto Alegre

IAH Houston George Bush Intcntl - POA Porto Alegre Salgado Filho

IAHPOA

Houston George Bush Intcntl

Fri 9/11

2:18 pm-11:35 am

2 stops19h 17m

Porto Alegre Salgado Filho

Sun 9/13

5:30 pm-7:17 am

3 stops39h 47m

$948

AustinPorto Alegre

AUS Austin Bergstrom - POA Porto Alegre Salgado Filho

AUSPOA

Austin Bergstrom

Fri 9/11

11:55 am-10:40 am

2 stops20h 45m

Porto Alegre Salgado Filho

Sat 9/19

2:55 pm-11:12 am

2 stops22h 17m

$972

AustinPorto Alegre

AUS Austin Bergstrom - POA Porto Alegre Salgado Filho

AUSPOA

Austin Bergstrom

Mon 8/31

10:52 am-10:50 am

2 stops21h 58m

Porto Alegre Salgado Filho

Mon 9/7

3:45 pm-11:22 am

2 stops21h 37m

$1,014

HoustonPorto Alegre

IAH Houston George Bush Intcntl - POA Porto Alegre Salgado Filho

IAHPOA

Houston George Bush Intcntl

Thu 9/10

10:46 am-11:35 pm

2 stops34h 49m

Porto Alegre Salgado Filho

Thu 9/17

4:40 am-9:59 pm

2 stops19h 19m

$1,029

HoustonPorto Alegre

IAH Houston George Bush Intcntl - POA Porto Alegre Salgado Filho

IAHPOA

Houston George Bush Intcntl

Fri 9/11

2:18 pm-2:40 pm

2 stops22h 22m

Porto Alegre Salgado Filho

Sun 9/13

4:45 am-1:33 pm

2 stops34h 48m

$1,037

HoustonPorto Alegre

HOU Houston Hobby - POA Porto Alegre Salgado Filho

HOUPOA

Houston Hobby

Sat 9/12

1:56 pm-3:35 pm

2 stops23h 39m

Porto Alegre Salgado Filho

Fri 9/18

2:05 pm-1:25 pm

2 stops25h 20m

$1,542

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Texas to Porto Alegre

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

Can stopping save me money on Texas to Porto Alegre flights?

You could potentially save up to 2% on your flight if you consider stops on a Texas to Porto Alegre flight.

Cheap Texas to Porto Alegre flight deals and tips

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

Fastest flight time

18h 05m

Direct flights

None
The fastest flight from Texas to Porto Alegre takes 18h 05m
There are no direct flights from Texas to Porto Alegre. There are no popular flight routes from Texas to Porto Alegre.
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Frequently asked questions about flying from Texas to Porto Alegre

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

    Prices for flights from Texas to Porto Alegre Salgado Filho Airport were last updated today.

  • How many operators does momondo search for flights from Texas to Porto Alegre Salgado Filho Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Texas to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The travel and health documents required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Texas to Porto Alegre

Compare and see reviews for airlines that fly from Texas to Porto Alegre with momondo
Airline
Rating
Free Cancellation
Price
GOLPriceFrom $428Free CancellationRating
7.3
1,273 reviews
Search GOL flights
American AirlinesPriceFrom $730Free CancellationRating
7.1
11,923 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $767Free CancellationRating
7.4
1,978 reviews
Search LATAM Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Texas to Porto Alegre. momondo saves you time and could save you money on your trip.

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

Flights from Texas to Porto Alegre with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Texas and Porto Alegre 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 Texas to Porto Alegre right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Texas to Porto Alegre flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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