$4,598+ Cheap flights to Porto Alegre
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Porto Alegre in 2025
Find the latest flights to Porto Alegre in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 21 February 2025.
Popular in | December |
|---|---|
Cheapest in | June |
Average price | $2,827 |
Find flight deals to Porto Alegre
Cheapest flights to Porto AlegreExplore the most affordable flight options available to Porto Alegre. Find the lowest fares based on data from user searches, with prices last updated on 21 February 2025.
Explore the most affordable flight options available to Porto Alegre. Find the lowest fares based on data from user searches, with prices last updated on 21 February 2025.
Best time to book a flight to Porto Alegre
Have a flexible travel schedule? Discover the best time to fly to Porto Alegre with our price prediction graph.
Travel insights for flights to Porto Alegre
Get recent, data-driven insights about flights to Porto Alegre including ideal travel times, pricing trends, and more.
When is the best time to book a flight to Porto Alegre?
Use this chart to determine the optimal time to book a return flight from Sydney to Porto Alegre. Price data was last updated on 14 February 2025.
The best time to book flights to Porto Alegre is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
How long is the flight to Porto Alegre?
On average, a flight from Sydney to Porto Alegre takes 26 hours 55 minutes. Flights to Porto Alegre from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.
What are the most popular airlines that fly to Porto Alegre?
The most popular airlines flying from Sydney to Porto Alegre are LATAM Airlines and Qantas Airways.
What are the cheapest airlines that fly to Porto Alegre?
The cheapest airlines flying from Sydney to Porto Alegre are LATAM Airlines and Qantas Airways.
Rainfall in Porto Alegre by month
Plan your trip to Porto Alegre by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Porto Alegre ranges from 70.0 - 130.0 mm per month. September is typically the wettest month, when rainfall can reach 130.0 mm. November is typically the driest time to visit Porto Alegre when rainfall is around 70.0 mm.
Temperature in Porto Alegre by month
Plan your trip to Porto Alegre by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Porto Alegre, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 13.0 C).
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Can Cheapflights notify me if prices for flights to Porto Alegre become cheaper?
Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Porto Alegre today and book when you’re ready!