$1,341+ Cheap flights to Porto Alegre
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 22/8. 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 25 March 2025.
Popular in | December |
|---|---|
Cheapest in | May |
Average price | $2,733 |
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 25 March 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 25 March 2025.
Cheapflights Fare Finder
Locate flights to Porto Alegre that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 25 March 2025.
Use the filters below to find and compare flights to Porto Alegre that are best for you.
Fly from
Route
Depart
Return
Price
SydneyPorto Alegre
SYD - POA
SYDPOA
Sydney Kingsford Smith
Fri 22/8
12:10-19:50
1 stop20h 40m
SydneyPorto Alegre
SYD - POA
SYDPOA
Sydney Kingsford Smith
Fri 22/8
22:00-23:30
3 stops38h 30m
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.
Cheapflights Insights
Everything you need to know about your flight to Porto Alegre
How long is the flight to Porto Alegre?
On average, a flight from Sydney to Porto Alegre takes 21 hours 0 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).
FAQs about flying to Porto Alegre
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Search flights to Porto Alegre by cabin class
Find flights to Porto Alegre, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights to Porto Alegre?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Porto Alegre today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets to Porto Alegre?
Cheapflights simply makes it quick and affordable to book flights to Porto Alegre by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights to Porto Alegre with no change fees?
Yes, we can. To see specific flights to Porto Alegre with no change fees, users can toggle flexible booking options after using the search form above to find flights.
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!