HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto Alegre

$960+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — POA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Porto Alegre with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 18, 2025.

This Expedia deal was found by Cheapflights users on 12/16. 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.
Wed 12/176:10 pmIAH - POA
2 stops26h 35mMultiple Airlines
Wed 12/242:50 pmPOA - IAH
2 stops29h 43mMultiple Airlines
Deal found 12/16$1,485
This Copa Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/179:34 amIAH - POA
1 stop11h 56mCopa Airlines
Tue 12/231:35 amPOA - IAH
1 stop13h 39mCopa Airlines
Deal found 12/16$2,408
This eDestinos deal was found by Cheapflights users on 12/16. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:39 amHOU - POA
2 stops16h 51mLATAM Airlines
Wed 12/246:00 pmPOA - HOU
2 stops23h 38mLATAM Airlines
Deal found 12/16$3,645

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 December 18, 2025.

Round-trip from

$960
(Kissandfly.com)
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 December 18, 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

Sat 1/31

4:20 pm-12:25 am

2 stops29h 05m

Porto Alegre Salgado Filho

Fri 2/6

6:40 am-9:00 am

2 stops29h 20m

$960

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Tue 3/31

11:50 am-2:20 pm

2 stops24h 30m

Porto Alegre Salgado Filho

Wed 4/1

5:10 pm-8:26 pm

2 stops29h 16m

$1,338

HoustonPorto Alegre

HOU - POA

HOUPOA

Houston Hobby

Sat 1/31

5:04 pm-1:15 pm

2 stops17h 11m

Porto Alegre Salgado Filho

Fri 2/6

6:00 pm-4:10 pm

2 stops25h 10m

$1,359

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Sat 1/31

6:40 pm-6:20 pm

2 stops44h 40m

Porto Alegre Salgado Filho

Fri 2/6

3:25 pm-5:20 am

1 stop16h 55m

$1,445

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Sat 1/31

9:34 am-12:30 am

1 stop11h 56m

Porto Alegre Salgado Filho

Thu 2/5

1:30 am-12:14 pm

1 stop13h 44m

$2,008

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Tue 3/31

8:00 pm-1:10 pm

1 stop15h 10m

Porto Alegre Salgado Filho

Wed 4/1

3:30 pm-5:40 am

1 stop16h 10m

$2,132

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Wed 4/1

11:50 am-2:35 pm

2 stops24h 45m

Porto Alegre Salgado Filho

Wed 4/29

5:30 pm-9:32 pm

2 stops30h 02m

$2,181

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Wed 4/1

6:55 pm-6:20 pm

1 stop21h 25m

Porto Alegre Salgado Filho

Wed 4/29

3:25 pm-5:45 am

1 stop16h 20m

$3,873

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December 18, 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 17h 11m. Air Canada provides one of the quickest options available for as low as $1,359. There are 5037 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Houston to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Porto Alegre flights
George Bush Intcntl to Porto Alegre flights
Austin to Porto Alegre flights
Dallas/Fort Worth to Porto Alegre flights
San Antonio to Porto Alegre flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.