Find flights
When to book
Airlines
FAQs

Cheap flights from Sydney to Porto Alegre from $1,958

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — POA
16 Jul — 23 Jul1
1 adult

Cheap flight deals from Sydney to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Porto Alegre (POA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 July 2025.

Round-trip from

$2,319

Popular in

December

Cheapest in

July

Average price

$2,476
LATAM Airlines
  • LATAM Airlines
  • 23/8-30/8
  • 4 total stops
  • 54h 20m total
  • Sydney to Porto Alegre
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($1,022 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($148 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Sydney to Porto Alegre

Cheapest flights from Sydney to Porto Alegre
Explore the most affordable flight options available from Sydney to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Sat 23/811:50SYD - POA
2 stops21h 00mLATAM Airlines
Sat 30/818:55POA - SYD
2 stops33h 20mLATAM Airlines
Deal found 9/7$2,319
Mon 25/811:50SYD - POA
2 stops21h 00mMultiple Airlines
Mon 1/920:55POA - SYD
1 stop23h 40mMultiple Airlines
Deal found 10/7$2,558
Thu 25/1211:50SYD - POA
2 stops44h 10mUnited Airlines
Sun 25/113:50POA - SYD
2 stops51h 10mUnited Airlines
Deal found 9/7$3,311
Fri 12/1209:45SYD - POA
3 stops44h 40mAmerican Airlines
Thu 8/118:35POA - SYD
2 stops46h 20mAmerican Airlines
Deal found 11/7$3,879
Thu 25/1215:50SYD - POA
2 stops36h 10mQatar Airways
Sat 24/104:40POA - SYD
2 stops36h 10mQatar Airways
Deal found 9/7$4,057

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney to Porto Alegre that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from Sydney to Porto Alegre that are best for you.

Fly from

Sydney

Fly to

Porto Alegre

Route

Depart

Return

Price

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Sat 23/8

11:50-19:50

2 stops21h 00m

Porto Alegre Salgado Filho

Sat 30/8

18:55-17:15

2 stops33h 20m

$2,319

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Mon 25/8

11:50-19:50

2 stops21h 00m

Porto Alegre Salgado Filho

Mon 1/9

20:55-09:35

1 stop23h 40m

$2,558

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 25/12

11:50-18:00

2 stops44h 10m

Porto Alegre Salgado Filho

Sun 25/1

13:50-07:00

2 stops51h 10m

$3,311

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Fri 12/12

09:45-16:25

3 stops44h 40m

Porto Alegre Salgado Filho

Thu 8/1

18:35-06:55

2 stops46h 20m

$3,879

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 25/12

15:50-14:00

2 stops36h 10m

Porto Alegre Salgado Filho

Sat 24/1

04:40-06:50

2 stops36h 10m

$4,057

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Mon 15/12

07:00-17:00

2 stops24h 00m

$1,958

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 25/12

11:10-23:25

2 stops26h 15m

$2,029

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Best time to book a flight from Sydney to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 11 July 2025.
Check out reviews from past customers who have flown with LATAM Airlines from Sydney to Porto Alegre to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,807 reviews
Check prices

Entertainment

7.0

Crew

8.1

Comfort

7.4

Food

6.7

Overall

7.5

Boarding

7.6

Reviews

1 / 20
4.0
Okay

Murilo,June 2025

SFO - LAX

I had mixed feelings regarding this flight. Called several times Latam and Delta regarding the purchase of checked baggage and price. I was told 80 dollars, could not buy it ahead of time,, they told me it was not Possible, that I had to buy at the airport. Check in my luggage the attendant says 80 dollars but I was charged 200 . No one could get me a solid answer why. Very disappointing
LATAM Airlines
7.5
Good
1,807 reviews
LATAM Airlines
7.5
Good
1,807 reviews
Check prices

Entertainment

7.0

Crew

8.1

Comfort

7.4

Food

6.7

Overall

7.5

Boarding

7.6

Reviews

1 / 20
4.0
Okay

Murilo,June 2025

SFO - LAX

I had mixed feelings regarding this flight. Called several times Latam and Delta regarding the purchase of checked baggage and price. I was told 80 dollars, could not buy it ahead of time,, they told me it was not Possible, that I had to buy at the airport. Check in my luggage the attendant says 80 dollars but I was charged 200 . No one could get me a solid answer why. Very disappointing

Related info for your journey

Find useful and relevant information for your journey from Sydney to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Sydney to Porto Alegre round-trip?

    According to our current data, LATAM Airlines ($2,319), offers the cheapest pricing from Sydney to Porto Alegre. LATAM Airlines is priced at 18% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Sydney to Porto Alegre that include hotel bookings?

    Yes. In addition to deals on Sydney to Porto Alegre flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Porto Alegre?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Porto Alegre.

  • Can I find deals for business class flights from Sydney to Porto Alegre?

    Yes. Cheapflights offers flight deals from Sydney to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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.

Complete your trip

Complete your trip to Porto Alegre by adding a car hire and/or hotel booking to your travel itinerary.
Porto Alegre car hire
Porto Alegre Salgado Filho Airport car hire

Top airline flying from Sydney to Porto Alegre

Discover the top airline that operate flights from Sydney to Porto Alegre. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$2,205Average$2,884FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

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 from Sydney 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 from Sydney today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sydney to Porto Alegre?

Cheapflights simply makes it quick and affordable to book flights from Sydney to Porto Alegre by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Sydney to Porto Alegre with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to Porto Alegre, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Sydney to Porto Alegre become cheaper?

Yes, Cheapflights offers price alerts on Sydney to Porto Alegre flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights