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Porto Alegre

$859+ Cheap flights from Houston to Porto Alegre (POA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — POA
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Houston to Porto Alegre

Cheapest flights from Houston to Porto Alegre
Explore the most affordable flight options available from Houston to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This FlightHub deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:16 pm
IAH
-
POA
2 stops16h 29m
GOL
Wed 4/85:30 pm
POA
-
IAH
2 stops29h 59m
GOL
Deal found 2/8$859
This SmartFares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:25 pm
IAH
-
POA
2 stops28h 15m
GOL
Fri 5/225:30 pm
POA
-
IAH
2 stops30h 17m
GOL
Deal found 2/10$955
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/124:30 pm
IAH
-
POA
2 stops22h 45m
Multiple Airlines
Thu 3/195:10 am
POA
-
IAH
3 stops43h 27m
Multiple Airlines
Deal found 2/10$963
This KAYAK deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3012:23 pm
IAH
-
POA
2 stops26h 52m
LATAM Airlines
Mon 4/67:25 am
POA
-
IAH
2 stops18h 34m
LATAM Airlines
Deal found 2/8$1,055
This Copa Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:59 am
IAH
-
POA
1 stop12h 26m
Copa Airlines
Sun 4/51:35 am
POA
-
IAH
1 stop20h 29m
Copa Airlines
Deal found 2/8$1,059
This KAYAK deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3011:33 am
HOU
-
POA
2 stops27h 42m
LATAM Airlines
Mon 4/67:25 am
POA
-
HOU
2 stops28h 58m
LATAM Airlines
Deal found 2/8$1,065
This KAYAK deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:22 pm
HOU
-
POA
2 stops21h 58m
Multiple Airlines
Mon 4/67:25 am
POA
-
HOU
2 stops32h 03m
Multiple Airlines
Deal found 2/8$1,087
This Cheapflightsfares deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:16 pm
IAH
-
POA
2 stops16h 29m
GOL
Mon 4/65:25 am
POA
-
IAH
2 stops20h 32m
GOL
Deal found 2/9$1,106
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:45 pm
IAH
-
POA
2 stops19h 20m
United Airlines
Fri 5/225:10 pm
POA
-
IAH
1 stop14h 35m
United Airlines
Deal found 2/10$1,110
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:05 pm
IAH
-
POA
3 stops30h 40m
Multiple Airlines
Fri 5/2210:30 am
POA
-
IAH
3 stops28h 47m
Multiple Airlines
Deal found 2/10$1,120
This FlightHub deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:22 pm
HOU
-
POA
2 stops35h 08m
LATAM Airlines
Thu 3/197:45 am
POA
-
HOU
2 stops28h 38m
LATAM Airlines
Deal found 2/10$1,321

Find flight deals from Houston to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Porto Alegre (POA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Round-trip from

$859
(FlightHub)
From Houston to Porto Alegre Salgado Filho
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Houston to Porto Alegre that are best for you.

Fly from

Houston

Fly to

Porto Alegre

Route

Depart

Return

Price

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Mon 3/30

5:16 pm-11:45 am

2 stops16h 29m

Porto Alegre Salgado Filho

Wed 4/8

5:30 pm-9:29 pm

2 stops29h 59m

$859

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Thu 3/12

5:15 am-5:15 pm

3 stops34h 00m

Porto Alegre Salgado Filho

Thu 3/19

5:10 am-10:37 pm

3 stops43h 27m

$1,001

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Mon 3/30

12:23 pm-5:15 pm

2 stops26h 52m

Porto Alegre Salgado Filho

Mon 4/6

7:25 am-11:59 pm

2 stops18h 34m

$1,055

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Mon 3/30

9:59 am-12:25 am

1 stop12h 26m

Porto Alegre Salgado Filho

Sun 4/5

1:35 am-8:04 pm

1 stop20h 29m

$1,059

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Mon 3/30

9:59 am-12:25 am

1 stop12h 26m

Porto Alegre Salgado Filho

Tue 4/7

1:35 am-8:04 pm

1 stop20h 29m

$1,059

HoustonPorto Alegre

HOU - POA

HOUPOA

Houston Hobby

Mon 3/30

11:33 am-5:15 pm

2 stops27h 42m

Porto Alegre Salgado Filho

Mon 4/6

7:25 am-10:23 am

2 stops28h 58m

$1,065

HoustonPorto Alegre

HOU - POA

HOUPOA

Houston Hobby

Mon 3/30

5:22 pm-5:20 pm

2 stops21h 58m

Porto Alegre Salgado Filho

Mon 4/6

7:25 am-1:28 pm

2 stops32h 03m

$1,087

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Mon 5/4

4:45 pm-2:05 pm

2 stops19h 20m

Porto Alegre Salgado Filho

Fri 5/22

5:10 pm-5:45 am

1 stop14h 35m

$1,110

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Mon 5/4

2:05 pm-10:45 pm

3 stops30h 40m

Porto Alegre Salgado Filho

Fri 5/22

10:30 am-1:17 pm

3 stops28h 47m

$1,120

HoustonPorto Alegre

HOU - POA

HOUPOA

Houston Hobby

Thu 3/12

5:22 pm-6:30 am

2 stops35h 08m

Porto Alegre Salgado Filho

Thu 3/19

7:45 am-10:23 am

2 stops28h 38m

$1,321

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Best time to book a flight from Houston to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Houston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to Porto Alegre
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Houston to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto Alegre from Houston?

    Porto Alegre Salgado Filho (POA), located 4.0 mi from the city center, is the airport you fly into when you book flights from Houston to Porto Alegre. 0 airlines have flights to Salgado Filho from Houston on a regular basis. Booking flights from Houston to Porto Alegre Salgado Filho should not be difficult; the airport handles an average of 0 inbound flights from Houston per day.

  • How long is the flight from Houston to Porto Alegre?

    A quick flight from Houston to Porto Alegre can take about 12h 26m. GOL provides one of the quickest options available for as low as $1,059. There are 5058 mi between Houston and Porto Alegre. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Houston to Porto Alegre that include hotel bookings?

    Yes. In addition to deals on Houston to Porto Alegre flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Porto Alegre?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Porto Alegre.

  • Can I find deals for business class flights from Houston to Porto Alegre?

    Yes. Cheapflights offers flight deals from Houston to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Houston to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
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George Bush Intcntl to Porto Alegre flights
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