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Porto Alegre

$1,064+ Cheap flights from George Bush Intcntl (IAH) 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — POA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Porto Alegre

Best flights from George Bush Intcntl to Porto Alegre
Discover carefully curated flight deals from George Bush Intcntl to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 2/228:12 pmIAH - POA
2 stops41h 08mUnited Airlines
Fri 3/65:10 pmPOA - IAH
1 stop15h 10mUnited Airlines
Deal found 12/10$3,888
This Booking.com deal was found by Cheapflights users on 12/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2212:10 pmIAH - POA
2 stops25h 10mMultiple Airlines
Fri 3/62:05 pmPOA - IAH
3 stops21h 30mMultiple Airlines
Deal found 12/10$4,782
This Arangrant deal was found by Cheapflights users on 12/10. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/222:27 pmIAH - POA
1 stop30h 58mCopa Airlines
Thu 3/51:30 amPOA - IAH
1 stop21h 40mCopa Airlines
Deal found 12/10$5,186

Find flight deals from George Bush Intcntl to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$790
(FlightHub)
Provider with most accurate pricing for Houston George Bush Intcntl-Porto Alegre Salgado Filho flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Porto Alegre Salgado Filho flights.
Search Deals
From Houston George Bush Intcntl to Porto Alegre Salgado Filho
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Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl 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 12, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Porto Alegre that are best for you.

Fly from

George Bush Intcntl

Fly to

Porto Alegre

Route

Depart

Return

Price

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Sun 2/22

8:12 pm-4:20 pm

2 stops41h 08m

Porto Alegre Salgado Filho

Fri 3/6

5:10 pm-5:20 am

1 stop15h 10m

$3,888

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Sun 2/22

12:10 pm-4:20 pm

2 stops25h 10m

Porto Alegre Salgado Filho

Fri 3/6

2:05 pm-8:35 am

3 stops21h 30m

$4,782

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Sun 2/22

2:27 pm-12:25 am

1 stop30h 58m

Porto Alegre Salgado Filho

Thu 3/5

1:30 am-8:10 pm

1 stop21h 40m

$5,186

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Thu 12/18

1:36 pm-5:00 pm

2 stops24h 24m

$1,064

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Thu 12/18

12:35 pm-5:05 pm

3 stops25h 30m

$1,070

HoustonPorto Alegre

IAH - POA

IAHPOA

Houston George Bush Intcntl

Thu 12/18

9:34 am-12:30 am

1 stop11h 56m

$1,619

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from George Bush Intcntl to Porto Alegre

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Porto Alegre in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Porto Alegre flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston George Bush Intcntl Airport-Porto Alegre flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Porto Alegre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Porto Alegre flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Porto Alegre flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from George Bush Intcntl 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 George Bush Intcntl Airport to Porto Alegre

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

Find hourly flight availability from George Bush Intcntl 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 12, 2025.

When flying from Houston George Bush Intcntl Airport to Porto Alegre, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 46% versus a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl 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 George Bush Intcntl?

    Most people fly into Porto Alegre Salgado Filho (POA) if they book a flight to Porto Alegre from Houston George Bush Intcntl. On average, Salgado Filho has 0 inbound flights from Houston George Bush Intcntl per day from 0 airlines. Porto Alegre Salgado Filho is conveniently located just 4.0 mi from Porto Alegre’s city center.

  • How long is the flight from Houston George Bush Intcntl Airport to Porto Alegre?

    There are many flights that can get you from Houston George Bush Intcntl Airport to Porto Alegre in 30h 58m. Fly via United Airlines or Copa Airlines to get the fastest option. Houston George Bush Intcntl Airport and Porto Alegre are separated by a distance of 5058 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from George Bush Intcntl to Porto Alegre?

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

  • Can I find deals for business class flights from George Bush Intcntl to Porto Alegre?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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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