Skyscanner

Cheap Flights from Houston (IAH) to Porto Alegre (POA)

Travellers and cabin class

Compare Houston George Bush Intercntl. to Porto Alegre flight deals

Find the cheapest month or even day of the year to fly to Porto Alegre

Book the best Porto Alegre fare with no extra fees

Flight deals from Houston George Bush Intercntl. to Porto Alegre

Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. to Porto Alegre? Find the lowest prices on one-way and return tickets right here.
Porto Alegre.$1,770 per passenger.Departing Sat, 16 Aug, returning Sat, 23 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Houston George Bush Intercntl. on Sat, 16 Aug, arriving in Porto Alegre.Inbound indirect flight with Delta, departs from Porto Alegre on Sat, 23 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $1,770, select.
Porto Alegre.$2,302 per passenger.Departing Fri, 6 Jun, returning Fri, 13 Jun.Return flight with United and Copa.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Fri, 6 Jun, arriving in Porto Alegre.Inbound indirect flight with Copa, departs from Porto Alegre on Fri, 13 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $2,302, select.
Porto Alegre.$2,415 per passenger.Departing Thu, 26 Jun, returning Thu, 3 Jul.Return flight with United and Azul Airlines.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Thu, 26 Jun, arriving in Porto Alegre.Inbound indirect flight with Azul Airlines, departs from Porto Alegre on Thu, 3 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $2,415, select.
Porto Alegre.$2,513 per passenger.Departing Sun, 1 Jun, returning Mon, 1 Sep.Return flight with United and GOL Linhas Aéreas.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Sun, 1 Jun, arriving in Porto Alegre.Inbound indirect flight with GOL Linhas Aéreas, departs from Porto Alegre on Mon, 1 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $2,513, select.

Find the cheapest month to fly from Houston George Bush Intercntl. to Porto Alegre

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Porto Alegre flights are currently cheapest in August.
May
Find prices
Jun
from $2,302
Jul
Find prices
Aug
from $1,770
Sep
Find prices
Oct
Find prices
Nov
Find prices
Dec
Find prices
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
Find prices

Houston George Bush Intercntl. to Porto Alegre: Alternative routes

Compare routes from Houston George Bush Intercntl. to Porto Alegre below. You may find an airport to fly into that's cheaper, faster, or easier than Porto Alegre.

Houston to Porto Alegre: Flight information

The things to know before you go.
Cheapest flight found$1,770
Cheapest month to flyAugust

Finding cheap flights from Houston George Bush Intercntl. to Porto Alegre: Frequently asked questions

The best price we found for a return flight from Houston George Bush Intercntl. to Porto Alegre is $1,770. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Houston George Bush Intercntl. to Porto Alegre. But we found flights with one or more stops from $1,770.
As of May 2025, there are no flights flying from Houston George Bush Intercntl. to Porto Alegre.
The cheapest month to fly from Houston George Bush Intercntl. to Porto Alegre is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Porto Alegre Airport on Saturday, 16 August 2025.
No airlines currently offer direct flights between Houston George Bush Intercntl. Airport and Porto Alegre Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto Alegre but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto Alegre is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Porto Alegre.

Travelling from George Bush Intercontinental Airport (IAH) to Salgado Filho International Airport (POA): what you need to know

  • The timezone in Porto Alegre is UTC-3, which is two hours ahead of Houston.

  • Arrive at the airport on time so you don't miss your IAH to POA flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Travelling during a peak time like July? Major public holidays and other popular periods can result in longer queues and delays at check-in and security. Play things extra safe and get there up to four hours before an international flight and two hours before domestic departures.

  • Break up your flight or take a detour to a new city with a stopover. Just deselect 'Direct flights only' to see your options when searching for tickets from George Bush Intercontinental Airport to Salgado Filho International Airport. Many travellers pass through Tocumen International Airport when flying between IAH and POA.

How to find the cheapest flights from George Bush Intercontinental Airport (IAH) to Salgado Filho International Airport (POA)

  • Currently, $1,229 is the lowest price we've seen for a one-way George Bush Intercontinental Airport to Salgado Filho International Airport flight. The best price for a return ticket is $1,770. Keep in mind that fares can change due to availability when booking.

  • It's usually smart to book as early as possible if you want to get cheap tickets from IAH to POA. That's because flight prices are based on demand, which tends to rise closer to the date of departure.

  • Finding cheap flights from George Bush Intercontinental Airport to Salgado Filho International Airport is easy if you're flexible with your travel dates. Use the 'Whole month' function to see the lowest fares across every month and land a great deal.

  • Picking up cheap flights from IAH to POA is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as a new deal comes up.

  • Discover the right flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from George Bush Intercontinental Airport to Salgado Filho International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about George Bush Intercontinental Airport (IAH)

  • IAH is located at 16930 JFK Boulevard.

  • When it comes to the on-time performance of George Bush Intercontinental Airport, data shows 78.42% of flights stick to their scheduled arrival time.

  • Central Houston to George Bush Intercontinental Airport is around 27 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • You can expect a trip time of around 50 minutes on public transport.

  • Get your trip off to a hassle-free start by staying near IAH. Whether you're boarding an early flight from George Bush Intercontinental Airport to Salgado Filho International Airport or want to avoid feeling rushed, these stays are perfect:

Arriving at Salgado Filho International Airport (POA)

Getting from Salgado Filho International Airport (POA) to central Porto Alegre

  • Salgado Filho International Airport is approximately 11 kilometres from the centre of Porto Alegre. Driving there takes about 20 minutes.

  • If you're travelling by public transport, expect a journey time of around 50 minutes.

When to fly to Salgado Filho International Airport (POA)

  • The quietest month for a flight from George Bush Intercontinental Airport to Salgado Filho International Airport is May, while June is the busiest. Pick the best time to visit Porto Alegre based on whether you prefer a faster pace or a more relaxed vibe.

  • Book your flight from George Bush Intercontinental Airport to Salgado Filho International Airport for January if you'd like to explore Porto Alegre during its warmest month. You can expect temperatures of between 17ºC (63ºF) and 34ºC (93ºF).

  • Search for cheap tickets from IAH to POA in July if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 8ºC (46ºF) and 23ºC (73ºF) on average.

Explore more of Brazil

  • Joinville is just one of the many places in Brazil waiting to be discovered once you've taken in the sights of Porto Alegre. Around 483 kilometres away to the north-east, its best attractions include Rua das Palmeiras, Parque Zoobotanico and Expoville Park.

  • If there's time to check out another major destination in Brazil, head for Florianopolis, about 370 kilometres north-east of Porto Alegre. Joaquina beach, Farol da Barra da Lagoa and Hercilio Luz Bridge are among the biggest draws.

Plan the rest of your trip from Houston to Porto Alegre

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.