$1,322+ 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 28/11. 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 2 September 2025.
Return from | $2,055 |
---|---|
One-way from | $1,322 |
Popular in | December |
Cheapest in | March |
Average price | $2,867 |
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 2 September 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 2 September 2025.
Cheapflights Fare Finder
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
Thu 16/10
12:50-01:10
3 stops26h 20m
Porto Alegre Salgado Filho
Thu 23/10
15:10-10:35
3 stops29h 25m
SydneyPorto Alegre
SYD - POA
SYDPOA
Sydney Kingsford Smith
Sat 15/11
11:10-17:00
1 stop19h 50m
Porto Alegre Salgado Filho
Mon 15/12
18:00-06:20
1 stop22h 20m
SydneyPorto Alegre
SYD - POA
SYDPOA
Sydney Kingsford Smith
Sat 15/11
06:00-17:00
2 stops25h 00m
Porto Alegre Salgado Filho
Mon 15/12
18:00-08:55
2 stops24h 55m
SydneyPorto Alegre
SYD - POA
SYDPOA
Sydney Kingsford Smith
Mon 15/9
08:00-22:40
3 stops27h 40m
Porto Alegre Salgado Filho
Sun 15/3
18:00-06:20
1 stop22h 20m
SydneyPorto Alegre
SYD - POA
SYDPOA
Sydney Kingsford Smith
Fri 28/11
08:45-17:00
2 stops22h 15m
SydneyPorto Alegre
SYD - POA
SYDPOA
Sydney Kingsford Smith
Mon 15/9
09:20-09:20
3 stops37h 00m
SydneyPorto Alegre
SYD - POA
SYDPOA
Sydney Kingsford Smith
Wed 15/10
12:50-19:50
2 stops21h 00m
SydneyPorto Alegre
SYD - POA
SYDPOA
Sydney Kingsford Smith
Mon 17/11
06:00-17:55
2 stops25h 55m
SydneyPorto Alegre
SYD - POA
SYDPOA
Sydney Kingsford Smith
Mon 17/11
11:10-17:55
1 stop20h 45m
SydneyPorto Alegre
SYD - POA
SYDPOA
Sydney Kingsford Smith
Sun 28/9
12:20-19:50
1 stop20h 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
When is the best time to book a flight to Porto Alegre?
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.
Rainfall in Porto Alegre 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
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).
Reviews of airlines servicing Porto Alegre
Get insights into the airlines that provide service to Porto Alegre. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto Alegre. Reviews last updated 2 September 2025.
Check out reviews from past customers who have flown LATAM Airlines to Brazil to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Entertainment
Crew
Food
Overall
Reviews
Duane,June 2025
GRU - MAD
Boarding
Comfort
Entertainment
Crew
Food
Overall
Reviews
Duane,June 2025
GRU - MAD
FAQs about flying to Porto Alegre
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