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Porto Alegre

$413+ Cheap flights from Houston to Porto Alegre (POA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — POA
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap 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 November 3, 2025.

Round-trip from

$1,070
(GOL)

One-way from

$413
(Kiwi.com)
From Houston to Porto Alegre Salgado Filho
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One-way flight from Houston to Porto Alegre Salgado Filho
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Find 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 November 3, 2025.

This Orbitz deal was found by Cheapflights users on 11/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:10 pmIAH - POA
2 stops23h 30mMultiple Airlines
Wed 12/106:00 pmPOA - IAH
2 stops21h 31mMultiple Airlines
Deal found 11/1$1,192
This KAYAK deal was found by Cheapflights users on 11/1. 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.
Tue 12/22:32 pmHOU - POA
2 stops23h 33mLATAM Airlines
Wed 12/106:00 pmPOA - HOU
2 stops22h 28mLATAM Airlines
Deal found 11/1$1,198
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 12/28:45 pmIAH - POA
1 stop14h 55mUnited Airlines
Wed 12/103:25 pmPOA - IAH
1 stop16h 55mUnited Airlines
Deal found 11/1$1,543
This Expedia deal was found by Cheapflights users on 10/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1610:39 amHOU - POA
2 stops27h 21mLATAM Airlines
Tue 12/238:20 pmPOA - HOU
2 stops25h 54mLATAM Airlines
Deal found 10/31$2,016
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:34 amIAH - POA
1 stop11h 56mCopa Airlines
Tue 12/91:35 amPOA - IAH
1 stop16h 19mCopa Airlines
Deal found 11/1$2,199

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 November 3, 2025.
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

Sun 3/1

11:26 am-11:45 pm

2 stops33h 19m

Porto Alegre Salgado Filho

Wed 3/4

5:10 am-11:59 pm

2 stops21h 49m

$1,070

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Tue 12/2

12:10 pm-2:40 pm

2 stops23h 30m

Porto Alegre Salgado Filho

Wed 12/10

6:00 pm-12:31 pm

2 stops21h 31m

$1,192

HoustonPorto Alegre

HOU - POA

HOUPOA

Houston Hobby

Tue 12/2

2:32 pm-5:05 pm

2 stops23h 33m

Porto Alegre Salgado Filho

Wed 12/10

6:00 pm-1:28 pm

2 stops22h 28m

$1,198

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Sun 3/1

7:10 am-2:35 pm

2 stops28h 25m

Porto Alegre Salgado Filho

Wed 3/4

3:25 pm-11:09 am

2 stops22h 44m

$1,356

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Tue 12/2

8:45 pm-2:40 pm

1 stop14h 55m

Porto Alegre Salgado Filho

Wed 12/10

3:25 pm-5:20 am

1 stop16h 55m

$1,543

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Sun 3/1

8:45 pm-4:10 pm

1 stop16h 25m

Porto Alegre Salgado Filho

Wed 3/4

5:10 pm-5:20 am

1 stop15h 10m

$1,653

HoustonPorto Alegre

HOU - POA

HOUPOA

Houston Hobby

Tue 12/16

10:39 am-5:00 pm

2 stops27h 21m

Porto Alegre Salgado Filho

Tue 12/23

8:20 pm-7:14 pm

2 stops25h 54m

$2,016

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Fri 12/12

5:25 pm-6:40 pm

3 stops46h 15m

$413

HoustonPorto Alegre

HOU - POA

HOUPOA

Houston Hobby

Fri 12/12

10:39 am-5:00 pm

2 stops27h 21m

$881

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Fri 12/12

9:34 am-12:30 am

1 stop11h 56m

$890

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 14 results
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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

What is the cheapest time of day to fly from HOU to POA?

Find hourly flight availability from Houston to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

One of the essential ways to save on airfare from Houston to Porto Alegre is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 41% on airfare.

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 23h 33m. GOL provides one of the quickest options available for as low as $1,198. There are 5037 mi between Houston and Porto Alegre. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Houston to Porto Alegre one-way?

    One-way options have recently been found by users for as low as $881 on LATAM Airlines. Other airlines that offer cheap prices include Copa Airlines from $890 and GOL from $1,121 one-way.

  • 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.

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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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