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Cheap flights from Houston to Porto Alegre from $933

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Porto Alegre departing on 11/24. 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
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

Find the cheapest flights from Houston to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:10 pm - 4:20 pm
IAH
-
POA
25h 10m
2 stops
Air Canada Logo
3:25 pm - 9:39 pm
POA
-
IAH
33h 14m
2 stops
$933Air Canada
Tue, Nov 24 - Fri, Dec 4
Air Canada Logo
12:10 pm - 2:20 pm
IAH
-
POA
23h 10m
2 stops
Air Canada Logo
3:25 pm - 9:39 pm
POA
-
IAH
33h 14m
2 stops
$1,005Air Canada
Thu, Nov 19 - Fri, Dec 4
Air Canada Logo
3:30 pm - 3:35 pm
IAH
-
POA
21h 05m
2 stops
Air Canada Logo
3:25 pm - 9:39 pm
POA
-
IAH
33h 14m
2 stops
$1,009Air Canada
Mon, Nov 23 - Fri, Dec 4
Multiple Airlines Logo
1:45 pm - 11:40 pm
IAH
-
POA
31h 55m
2 stops
Multiple Airlines Logo
4:40 am - 9:00 pm
POA
-
IAH
18h 20m
2 stops
$1,030Multiple Airlines
Tue, Sep 1 - Wed, Sep 9
Multiple Airlines Logo
6:00 am - 11:45 am
IAH
-
POA
27h 45m
3 stops
Multiple Airlines Logo
4:40 am - 9:00 pm
POA
-
IAH
18h 20m
2 stops
$1,032Multiple Airlines
Tue, Sep 1 - Wed, Sep 9
GOL Logo
1:30 pm - 11:40 pm
IAH
-
POA
32h 10m
2 stops
GOL Logo
5:10 am - 9:51 pm
POA
-
IAH
18h 41m
2 stops
$1,078GOL
Mon, Aug 31 - Sat, Sep 5
LATAM Airlines Logo
1:13 pm - 9:20 am
HOU
-
POA
18h 07m
2 stops
LATAM Airlines Logo
5:50 pm - 12:16 pm
POA
-
HOU
20h 26m
2 stops
$1,181LATAM Airlines
Thu, Aug 27 - Thu, Sep 3
Delta Logo
10:05 am - 6:10 am
HOU
-
POA
17h 05m
2 stops
Delta Logo
5:50 pm - 9:26 am
POA
-
HOU
18h 36m
2 stops
$1,214Delta
Wed, Nov 25 - Mon, Dec 7
Delta Logo
10:05 am - 2:15 pm
HOU
-
POA
25h 10m
2 stops
Delta Logo
5:50 pm - 9:26 am
POA
-
HOU
18h 36m
2 stops
$1,220Delta
Mon, Nov 23 - Mon, Dec 7
LATAM Airlines Logo
1:00 pm - 3:20 pm
HOU
-
POA
23h 20m
2 stops
LATAM Airlines Logo
4:00 pm - 9:26 am
POA
-
HOU
20h 26m
2 stops
$1,229LATAM Airlines
Mon, Nov 23 - Tue, Dec 8

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Air Canada flights from Houston to Porto Alegre

Our best Air Canada deals on Houston to Porto Alegre flight tickets
Air Canada
Nov 24
IAH12:10 pmHouston George Bush Intcntl
25h 10m
2 stops
POA4:20 pmPorto Alegre Salgado Filho
Dec 4
POA3:25 pmPorto Alegre Salgado Filho
33h 14m
2 stops
IAH9:39 pmHouston George Bush Intcntl
$933
Air Canada
Nov 19
IAH12:10 pmHouston George Bush Intcntl
23h 10m
2 stops
POA2:20 pmPorto Alegre Salgado Filho
Dec 4
POA3:25 pmPorto Alegre Salgado Filho
33h 14m
2 stops
IAH9:39 pmHouston George Bush Intcntl
$1,005
Air Canada
Nov 23
IAH3:30 pmHouston George Bush Intcntl
21h 05m
2 stops
POA3:35 pmPorto Alegre Salgado Filho
Dec 4
POA3:25 pmPorto Alegre Salgado Filho
33h 14m
2 stops
IAH9:39 pmHouston George Bush Intcntl
$1,009

LATAM Airlines flights from Houston to Porto Alegre

Our best LATAM Airlines deals on Houston to Porto Alegre flight tickets
LATAM Airlines
Aug 27
HOU1:13 pmHouston Hobby
18h 07m
2 stops
POA9:20 amPorto Alegre Salgado Filho
Sep 3
POA5:50 pmPorto Alegre Salgado Filho
20h 26m
2 stops
HOU12:16 pmHouston Hobby
$1,181
LATAM Airlines
Nov 23
IAH7:15 amHouston George Bush Intcntl
26h 00m
2 stops
POA12:15 pmPorto Alegre Salgado Filho
Dec 3
POA7:30 amPorto Alegre Salgado Filho
28h 16m
2 stops
IAH8:46 amHouston George Bush Intcntl
$1,227
LATAM Airlines
Nov 23
HOU1:00 pmHouston Hobby
23h 20m
2 stops
POA3:20 pmPorto Alegre Salgado Filho
Dec 8
POA4:00 pmPorto Alegre Salgado Filho
20h 26m
2 stops
HOU9:26 amHouston Hobby
$1,229

momondo Fare Finder

 
Customize your flight search to find flights from Houston 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 June 23, 2026.
Use the filters below to find and compare flights from Houston to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Tue 11/24

12:10 pm-4:20 pm

2 stops25h 10m

Porto Alegre Salgado Filho

Fri 12/4

3:25 pm-9:39 pm

2 stops33h 14m

$933

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Thu 11/19

12:10 pm-2:20 pm

2 stops23h 10m

Porto Alegre Salgado Filho

Fri 12/4

3:25 pm-9:39 pm

2 stops33h 14m

$1,005

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Mon 11/23

3:30 pm-3:35 pm

2 stops21h 05m

Porto Alegre Salgado Filho

Fri 12/4

3:25 pm-9:39 pm

2 stops33h 14m

$1,009

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Tue 9/1

1:45 pm-11:40 pm

2 stops31h 55m

Porto Alegre Salgado Filho

Wed 9/9

4:40 am-9:00 pm

2 stops18h 20m

$1,030

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Tue 9/1

6:00 am-11:45 am

3 stops27h 45m

Porto Alegre Salgado Filho

Wed 9/9

4:40 am-9:00 pm

2 stops18h 20m

$1,032

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Mon 8/31

1:30 pm-11:40 pm

2 stops32h 10m

Porto Alegre Salgado Filho

Sat 9/5

5:10 am-9:51 pm

2 stops18h 41m

$1,078

HoustonPorto Alegre

HOU - POA

HOUPOA

Houston Hobby

Thu 8/27

1:13 pm-9:20 am

2 stops18h 07m

Porto Alegre Salgado Filho

Thu 9/3

5:50 pm-12:16 pm

2 stops20h 26m

$1,181
Quickest round-trip

HoustonPorto Alegre

HOU - POA

HOUPOA

Houston Hobby

Wed 11/25

10:05 am-6:10 am

2 stops17h 05m

Porto Alegre Salgado Filho

Mon 12/7

5:50 pm-9:26 am

2 stops18h 36m

$1,214

HoustonPorto Alegre

HOU - POA

HOUPOA

Houston Hobby

Mon 11/23

10:05 am-2:15 pm

2 stops25h 10m

Porto Alegre Salgado Filho

Mon 12/7

5:50 pm-9:26 am

2 stops18h 36m

$1,220

HoustonPorto Alegre

HOU - POA

HOUPOA

Houston Hobby

Mon 11/23

1:00 pm-3:20 pm

2 stops23h 20m

Porto Alegre Salgado Filho

Tue 12/8

4:00 pm-9:26 am

2 stops20h 26m

$1,229

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Houston to Porto Alegre flight deals and tips

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

Fastest flight time

13h 05m

Direct flights

None
The fastest flight from Houston to Porto Alegre takes 13h 05m
There are no direct flights from Houston to Porto Alegre. There are no popular flight routes from Houston to Porto Alegre.
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Frequently asked questions about flying from Houston to Porto Alegre

  • How far is Houston to Porto Alegre Salgado Filho by plane?

    Porto Alegre Salgado Filho is 5046.4 mi away from Houston. A reasonable flight in good conditions will take 13h 05m.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Porto Alegre Salgado Filho Airport.

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

    The necessary travel and health documents for your Porto Alegre Salgado Filho Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Houston to Porto Alegre

  • How do I get Price Alerts for flights from Houston to Porto Alegre?

    Price Alerts will notify you by email when the price for flights to Porto Alegre from Houston decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Houston to Porto Alegre with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

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

Finding the right flight to Porto Alegre from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto Alegre quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Houston to Porto Alegre flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Porto Alegre from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Porto Alegre from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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