Cheap flights from Sydney to Porto Alegre from $1,715

SYD — POA
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Porto Alegre

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Porto Alegre

Wed 23/1211:10 -
1 stop19h 40m
Tue 16/209:15 -
2 stops31h 00m
Deal found 4/11$3,012
Thu 12/1111:10 -
2 stops23h 40m
Fri 20/1112:25 -
2 stops27h 50m
Deal found 4/11$3,021
Wed 23/1207:00 -
2 stops23h 50m
Tue 16/216:05 -
2 stops24h 10m
Deal found 4/11$3,359
Wed 16/1210:35 -
1 stop20h 15m
Sat 6/316:05 -
2 stops35h 05m
Deal found 3/11$3,631
Wed 16/1210:35 -
1 stop20h 15m
Wed 3/317:40 -
1 stop33h 30m
Deal found 3/11$3,644
Wed 16/1210:35 -
1 stop20h 15m
Fri 5/310:45 -
2 stops64h 25m
Deal found 3/11$3,687

Find flight deals from Sydney to Porto Alegre

Round-trip from

$2,825

One-way from

$1,715

Popular in

December

Cheapest in

May

Average price

$3,351
LATAM Airlines
  • LATAM Airlines
  • 30/3-3/4
  • 3 total stops
  • 51h 35m total
  • Sydney to Porto Alegre
Qantas Airways
  • Qantas Airways
  • 15/3-31/12
  • 1 total stop
  • 20h 15m total
  • Sydney to Porto Alegre
Highest demand for flights based on searches. 15% potential increase in price ($697 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($119 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Sydney to Porto Alegre that are best for you.

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Mon 15/3

10:35-16:50

1 stop20h 15m

Porto Alegre Salgado Filho

Wed 31/12

00:00-13:00

Nonstop0h 00m

$1,715

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Mon 11/1

11:10-22:55

2 stops25h 45m

Porto Alegre Salgado Filho

Wed 31/12

00:00-13:00

Nonstop0h 00m

$1,733

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Mon 15/3

10:35-19:15

2 stops22h 40m

Porto Alegre Salgado Filho

Wed 31/12

00:00-13:00

Nonstop0h 00m

$1,749

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Mon 11/1

10:35-16:50

1 stop20h 15m

Porto Alegre Salgado Filho

Wed 31/12

00:00-13:00

Nonstop0h 00m

$2,246

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Thu 10/12

14:05-15:00

2 stops38h 55m

Porto Alegre Salgado Filho

Wed 31/12

00:00-13:00

Nonstop0h 00m

$2,259

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Thu 10/12

06:00-00:30

2 stops56h 30m

Porto Alegre Salgado Filho

Wed 31/12

00:00-13:00

Nonstop0h 00m

$3,039

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Mon 25/1

09:20-18:25

2 stops47h 05m

Porto Alegre Salgado Filho

Thu 25/2

15:30-07:00

2 stops49h 30m

$3,048

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Mon 25/1

11:10-16:50

1 stop19h 40m

Porto Alegre Salgado Filho

Thu 25/2

16:05-06:15

2 stops24h 10m

$3,216

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Mon 25/1

11:20-12:55

3 stops39h 35m

Porto Alegre Salgado Filho

Thu 25/2

15:45-09:35

3 stops51h 50m

$3,419

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Thu 10/12

08:30-20:50

3 stops26h 20m

Porto Alegre Salgado Filho

Wed 31/12

00:00-13:00

Nonstop0h 00m

$4,837

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Sorted by cheapest first

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

Reviews of airlines servicing Porto Alegre

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.

Entertainment

7.0

Crew

8.0

Food

6.8

Boarding

7.5

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

EZE - GRU

Extremely bad..worst flight, delayed by 3 hours sitting in aircraft.

Entertainment

7.0

Crew

8.0

Food

6.8

Boarding

7.5

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

EZE - GRU

Extremely bad..worst flight, delayed by 3 hours sitting in aircraft.

Related info for your journey

  • How long is the flight from Sydney to Porto Alegre?

    Departing from Sydney to Porto Alegre will take you 47h 05m. Sydney and Porto Alegre are separated by a distance of 12519 km.

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

    According to our current data, LATAM Airlines ($2,166), offers the cheapest pricing from Sydney to Porto Alegre. LATAM Airlines is priced at 20% 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

Complete your trip

Top airline flying from Sydney to Porto Alegre

AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$2,166Average$2,819FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

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