Flights from Houston, TX to Porto Alegre, Brazil

Compare prices from 900+ airlines and find the best deals on flights from IAH to POA.*Prices shown are estimated based on historical data.

$872*
Est. Average Price
12h 58m
Avg. Flight Time
6142 mi
Flight Distance

Houston, TX to Porto Alegre, Brazil

Live prices

Round-trip flights from IAH to POA typically cost $698-$872 USD. Prices vary by season, demand, and how far in advance you book. The lowest fares are usually found 6-8 weeks before departure for domestic routes.

Flight Time

Non-stop flights from IAH to POA take approximately 12h 58m. Actual flight times vary based on weather, air traffic, and aircraft type. Consider arriving at the airport 2 hours before domestic departures.

Airlines

Airlines operating IAH to POA include Gol Linhas AΓ©reas, Southwest Airlines, British Airways, Cathay Pacific and 1 more carriers. Each airline offers different fare classes, baggage policies, and loyalty programs. Compare options to find the best value for your travel needs.

Best Time to Book

The cheapest day to fly IAH to POA is typically Tuesday. Mid-week flights are 10-20% cheaper than weekend departures. For best prices, book 6-8 weeks before your trip. Avoid booking less than 2 weeks out when fares spike.

Price Range

Fares range from $698 to $1308 depending on dates, class, and airline.

Prices based on 500 searches. Updated hourly.

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About Flights from Houston, TX to Porto Alegre, Brazil

Looking for cheap flights from Houston, TX (IAH) to Porto Alegre, Brazil (POA)? You've come to the right place. Fly2Any compares prices from over 900 airlines to help you find the best deals on this popular route.

Flight Information

Flights from IAH to POA typically take around 12h 58m. The flight covers a distance of 6142 miles. Multiple airlines operate this route, including Gol Linhas AΓ©reas, Southwest Airlines, British Airways, Cathay Pacific, Copa Airlines.

Best Time to Book

For the best prices on IAH to POA flights, we recommend booking 2-3 months in advance. Prices tend to be lowest for mid-week departures (Tuesday and Wednesday). Use our Price Calendar feature to compare prices across different dates and find the cheapest options.

Price data last updated: April 2026

Airlines on This Route

Several major airlines serve the Houston, TX to Porto Alegre, Brazil route, including:

  • Gol Linhas AΓ©reas (G3)
  • Southwest Airlines (WN)
  • British Airways (BA)
  • Cathay Pacific (CX)
  • Copa Airlines (CM)

Frequently Asked Questions - IAH to POA Flights

How long is the flight from Houston, TX to Porto Alegre, Brazil?

Direct flights from Houston, TX (IAH) to Porto Alegre, Brazil (POA) take approximately 12h 58m. Connecting flights may add 2-4 hours depending on layover location. For the fastest journey, look for nonstop flights which are typically available on this popular route.

When is the best time to book IAH to POA flights?

For the best prices on IAH to POA flights, book 6-8 weeks in advance for domestic routes or 2-4 months ahead for international travel. Domestic flights are typically 20-40% cheaper in off-peak months. Peak season months (July, August) have higher prices, while January and February typically offer the best deals.

What are the cheapest days to fly from Houston, TX to Porto Alegre, Brazil?

Tuesday and Wednesday departures are typically 15-25% cheaper than weekend flights on the IAH to POA route. Saturday is usually the most expensive day to fly. For additional savings, consider red-eye flights or early morning departures, which often have lower fares and less crowded airports.

Which airlines fly from IAH to POA?

Multiple airlines serve the IAH to POA route. Compare prices across all carriers using Fly2Any to find the best combination of price, timing, and amenities.

What is the cheapest month to fly from Houston, TX to Porto Alegre, Brazil?

The cheapest months to fly from IAH to POA are typically January, February, September. Domestic flights are typically 20-40% cheaper in off-peak months. Avoid peak travel periods like July and August when prices can be 30-50% higher. Use Fly2Any's price alerts to get notified when fares drop.

What is the baggage allowance for IAH to POA flights?

Baggage allowances vary by airline and fare class. Most full-service carriers include one checked bag (up to 50 lbs) on this route. Budget carriers may charge $25-$60 for checked bags. All airlines allow one personal item free. Compare total costs including baggage fees when booking to get the best deal.

Are there direct flights from Houston, TX to Porto Alegre, Brazil?

Yes, several airlines offer nonstop flights from IAH to POA. Direct flights take approximately 12h 58m. If you're flexible with your schedule, connecting flights through major hubs like ATL or ORD may offer lower prices.

How much do flights from Houston, TX to Porto Alegre, Brazil cost?

Prices for IAH to POA flights typically range from $150-$500 roundtrip for economy class, depending on when you book and travel dates. Use Fly2Any to compare all airlines and find current deals. Setting a price alert ensures you never miss a fare drop.

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