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Cheap flights from Porto Alegre to Houston from $511

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto Alegre to Houston departing on 6/24. 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
0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
2:05 pm - 7:52 pm
POA
-
IAH
31h 47m
2 stops
Air Canada Logo
7:10 am - 4:20 pm
IAH
-
POA
31h 10m
2 stops
$959Air Canada
Thu, Oct 22 - Mon, Oct 26
Air Canada Logo
2:05 pm - 7:52 pm
POA
-
IAH
31h 47m
2 stops
Air Canada Logo
7:10 am - 4:20 pm
IAH
-
POA
31h 10m
2 stops
$960Air Canada
Thu, Oct 22 - Mon, Oct 26
Air Canada Logo
2:05 pm - 7:52 pm
POA
-
IAH
31h 47m
2 stops
Air Canada Logo
7:10 am - 2:05 pm
IAH
-
POA
28h 55m
2 stops
$961Air Canada
Thu, Oct 22 - Mon, Oct 26
Air Canada Logo
2:05 pm - 7:52 pm
POA
-
IAH
31h 47m
2 stops
Air Canada Logo
7:10 am - 2:05 pm
IAH
-
POA
28h 55m
2 stops
$962Air Canada
Thu, Oct 22 - Mon, Oct 26
Air Canada Logo
2:05 pm - 7:52 pm
POA
-
IAH
31h 47m
2 stops
Air Canada Logo
7:10 am - 4:20 pm
IAH
-
POA
31h 10m
2 stops
$963Air Canada
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
5:10 pm - 12:45 am
POA
-
IAH
33h 35m
2 stops
United Airlines Logo
8:25 pm - 3:30 pm
IAH
-
POA
41h 05m
2 stops
$984United Airlines
Wed, Jun 24 - Sat, Jul 4
American Airlines Logo
1:35 pm - 9:46 am
POA
-
IAH
22h 11m
2 stops
American Airlines Logo
11:20 am - 3:35 pm
IAH
-
POA
26h 15m
2 stops
$985American Airlines
Wed, Jun 24 - Sat, Jul 4
United Airlines Logo
5:10 pm - 5:45 am
POA
-
IAH
14h 35m
1 stop
United Airlines Logo
5:04 am - 6:20 pm
IAH
-
POA
35h 16m
2 stops
$1,023United Airlines
Wed, Jun 17 - Wed, Jul 8
United Airlines Logo
5:10 pm - 12:45 am
POA
-
IAH
33h 35m
2 stops
United Airlines Logo
8:00 pm - 1:10 pm
IAH
-
POA
15h 10m
1 stop
$1,024United Airlines
Wed, Jun 24 - Sat, Jul 4
United Airlines Logo
5:10 pm - 10:45 am
POA
-
IAH
19h 35m
2 stops
United Airlines Logo
5:04 am - 6:20 pm
IAH
-
POA
35h 16m
2 stops
$1,078United Airlines
Wed, Jun 17 - Wed, Jul 8

Air Canada flights from Porto Alegre to Houston George Bush Intcntl Airport

Our best Air Canada deals on Porto Alegre to Houston George Bush Intcntl Airport flight tickets
Air Canada
Oct 22
POA2:05 pmPorto Alegre Salgado Filho
31h 47m
2 stops
IAH7:52 pmHouston George Bush Intcntl
Oct 26
IAH7:10 amHouston George Bush Intcntl
31h 10m
2 stops
POA4:20 pmPorto Alegre Salgado Filho
$959
Air Canada
Oct 22
POA2:05 pmPorto Alegre Salgado Filho
31h 47m
2 stops
IAH7:52 pmHouston George Bush Intcntl
Oct 26
IAH7:10 amHouston George Bush Intcntl
31h 10m
2 stops
POA4:20 pmPorto Alegre Salgado Filho
$960
Air Canada
Oct 22
POA2:05 pmPorto Alegre Salgado Filho
31h 47m
2 stops
IAH7:52 pmHouston George Bush Intcntl
Oct 26
IAH7:10 amHouston George Bush Intcntl
28h 55m
2 stops
POA2:05 pmPorto Alegre Salgado Filho
$961

United Airlines flights from Porto Alegre to Houston George Bush Intcntl Airport

Our best United Airlines deals on Porto Alegre to Houston George Bush Intcntl Airport flight tickets
United Airlines
Jun 24
POA5:10 pmPorto Alegre Salgado Filho
33h 35m
2 stops
IAH12:45 amHouston George Bush Intcntl
Jul 4
IAH8:25 pmHouston George Bush Intcntl
41h 05m
2 stops
POA3:30 pmPorto Alegre Salgado Filho
$984
United Airlines
Jun 17
POA5:10 pmPorto Alegre Salgado Filho
14h 35m
1 stop
IAH5:45 amHouston George Bush Intcntl
Jul 8
IAH5:04 amHouston George Bush Intcntl
35h 16m
2 stops
POA6:20 pmPorto Alegre Salgado Filho
$1,023
United Airlines
Jun 24
POA5:10 pmPorto Alegre Salgado Filho
33h 35m
2 stops
IAH12:45 amHouston George Bush Intcntl
Jul 4
IAH8:00 pmHouston George Bush Intcntl
15h 10m
1 stop
POA1:10 pmPorto Alegre Salgado Filho
$1,024

momondo Fare Finder

 
Customize your flight search to find flights from Porto Alegre to Houston George Bush Intcntl Airport 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 May 8, 2026.
Use the filters below to find and compare flights from Porto Alegre to Houston George Bush Intcntl Airport that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

Porto AlegreHouston

POA - IAH

POAIAH

Porto Alegre Salgado Filho

Thu 10/22

2:05 pm-7:52 pm

2 stops31h 47m

Houston George Bush Intcntl

Mon 10/26

7:10 am-4:20 pm

2 stops31h 10m

$959

Porto AlegreHouston

POA - IAH

POAIAH

Porto Alegre Salgado Filho

Thu 10/22

2:05 pm-7:52 pm

2 stops31h 47m

Houston George Bush Intcntl

Mon 10/26

7:10 am-4:20 pm

2 stops31h 10m

$960

Porto AlegreHouston

POA - IAH

POAIAH

Porto Alegre Salgado Filho

Thu 10/22

2:05 pm-7:52 pm

2 stops31h 47m

Houston George Bush Intcntl

Mon 10/26

7:10 am-2:05 pm

2 stops28h 55m

$961

Porto AlegreHouston

POA - IAH

POAIAH

Porto Alegre Salgado Filho

Thu 10/22

2:05 pm-7:52 pm

2 stops31h 47m

Houston George Bush Intcntl

Mon 10/26

7:10 am-2:05 pm

2 stops28h 55m

$962

Porto AlegreHouston

POA - IAH

POAIAH

Porto Alegre Salgado Filho

Thu 10/22

2:05 pm-7:52 pm

2 stops31h 47m

Houston George Bush Intcntl

Mon 10/26

7:10 am-4:20 pm

2 stops31h 10m

$963

Porto AlegreHouston

POA - IAH

POAIAH

Porto Alegre Salgado Filho

Wed 6/24

5:10 pm-12:45 am

2 stops33h 35m

Houston George Bush Intcntl

Sat 7/4

8:25 pm-3:30 pm

2 stops41h 05m

$984
Quickest round-trip

Porto AlegreHouston

POA - IAH

POAIAH

Porto Alegre Salgado Filho

Wed 6/24

1:35 pm-9:46 am

2 stops22h 11m

Houston George Bush Intcntl

Sat 7/4

11:20 am-3:35 pm

2 stops26h 15m

$985

Porto AlegreHouston

POA - IAH

POAIAH

Porto Alegre Salgado Filho

Wed 6/17

5:10 pm-5:45 am

1 stop14h 35m

Houston George Bush Intcntl

Wed 7/8

5:04 am-6:20 pm

2 stops35h 16m

$1,023

Porto AlegreHouston

POA - IAH

POAIAH

Porto Alegre Salgado Filho

Wed 6/24

5:10 pm-12:45 am

2 stops33h 35m

Houston George Bush Intcntl

Sat 7/4

8:00 pm-1:10 pm

1 stop15h 10m

$1,024

Porto AlegreHouston

POA - IAH

POAIAH

Porto Alegre Salgado Filho

Wed 6/17

5:10 pm-10:45 am

2 stops19h 35m

Houston George Bush Intcntl

Wed 7/8

5:04 am-6:20 pm

2 stops35h 16m

$1,078

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Porto Alegre to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Porto Alegre Salgado Filho to Houston George Bush Intcntl?

Copa Airlines and LATAM Airlines are the most popular carriers operating from Porto Alegre Salgado Filho to Houston George Bush Intcntl

When to book flights from Porto Alegre to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Porto Alegre to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Porto Alegre to Houston George Bush Intcntl Airport (POA to IAH) flight deals and tips

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

Fastest flight time

21h 00m

Direct flights

None
The fastest flight from Porto Alegre to Houston George Bush Intcntl Airport takes 21h 00m
There are no direct flights from Porto Alegre to Houston George Bush Intcntl Airport. There are no popular flight routes from Porto Alegre to Houston George Bush Intcntl Airport.
Search flight deals

Frequently asked questions about flying from Porto Alegre to Houston George Bush Intcntl Airport

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

    Porto Alegre Salgado Filho and Houston George Bush Intcntl are 5057.7 mi apart from one another. A reasonable flight in good conditions will take 21h 00m.

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

    Prices for flights from Porto Alegre Salgado Filho Airport to Houston George Bush Intcntl Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Porto Alegre Salgado Filho Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The required travel and health documents for your Houston George Bush Intcntl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston George Bush Intcntl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Conroe
Humble
Spring
Cypress
Montgomery
Jersey Village
Tomball
Livingston

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Porto Alegre to Houston. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Porto Alegre to Houston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Porto Alegre to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Porto Alegre to Houston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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