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Cheap flights from Sydney to Porto Alegre from $1,844

SYD — POA
23 Oct — 30 Oct1
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

Fri 6/1108:45 -
2 stops22h 05m
Fri 13/1117:40 -
1 stop22h 35m
Deal found 22/9$2,644
Thu 22/1012:45 -
2 stops22h 25m
Thu 29/1016:05 -
2 stops24h 10m
Deal found 22/9$2,838
Thu 22/1012:45 -
2 stops22h 25m
Thu 12/1107:30 -
2 stops32h 45m
Deal found 20/9$2,841
Mon 21/911:45 -
1 stop19h 30m
Mon 28/919:05 -
1 stop22h 45m
Deal found 20/9$2,937
Thu 22/1008:25 -
3 stops30h 00m
Thu 29/1020:05 -
3 stops35h 45m
Deal found 22/9$3,014

Find flight deals from Sydney to Porto Alegre

Round-trip from

$2,644

One-way from

$2,104

Popular in

December

Cheapest in

May

Average price

$2,986
LATAM Airlines
  • LATAM Airlines
  • 6/11-13/11
  • 3 total stops
  • 44h 40m total
  • Sydney to Porto Alegre
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Qatar Airways
  • Qatar Airways
  • 15/3-31/12
  • 2 total stops
  • 37h 30m total
  • Sydney to Porto Alegre
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($431 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($119 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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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

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Price

Cheapest return flight

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Mon 15/3

15:50-15:20

2 stops37h 30m

Porto Alegre Salgado Filho

Wed 31/12

00:00-13:00

Nonstop0h 00m

$2,104
Fastest return journey

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Mon 15/3

08:30-20:45

3 stops26h 15m

Porto Alegre Salgado Filho

Wed 31/12

00:00-13:00

Nonstop0h 00m

$2,387

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Thu 10/12

21:35-08:30

3 stops48h 55m

Porto Alegre Salgado Filho

Wed 31/12

00:00-13:00

Nonstop0h 00m

$2,596

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Fri 6/11

08:45-16:50

2 stops22h 05m

Porto Alegre Salgado Filho

Fri 13/11

17:40-06:15

1 stop22h 35m

$2,644

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Thu 10/12

10:35-10:00

2 stops37h 25m

Porto Alegre Salgado Filho

Wed 31/12

00:00-13:00

Nonstop0h 00m

$2,748

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Thu 22/10

12:45-21:10

2 stops22h 25m

Porto Alegre Salgado Filho

Thu 29/10

16:05-06:15

2 stops24h 10m

$2,838

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Thu 22/10

12:45-21:10

2 stops22h 25m

Porto Alegre Salgado Filho

Thu 12/11

12:25-09:00

3 stops30h 35m

$3,056

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Thu 22/10

22:05-09:20

3 stops49h 15m

Porto Alegre Salgado Filho

Thu 12/11

19:40-19:25

3 stops57h 45m

$3,569

Flights are sorted by cheapest return flights first.

Deals found on 20/9

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.
LATAM Airlines
7.4
Good
1,980 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.4

Crew

8.0

Entertainment

7.0

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Noah,Aug 2026

JFK - GRU

This was fine, the flight crew and food were good.
LATAM Airlines
7.4
Good
1,980 reviews
LATAM Airlines
7.4
Good
1,980 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.4

Crew

8.0

Entertainment

7.0

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Noah,Aug 2026

JFK - GRU

This was fine, the flight crew and food were good.

Related info for your journey

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

    Departing from Sydney to Porto Alegre will take you 22h 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 ($2,075), offers the cheapest pricing from Sydney to Porto Alegre. LATAM Airlines is priced at 21% 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

Porto Alegre car hire
Porto Alegre Salgado Filho Airport car hire

Top airline flying from Sydney to Porto Alegre

AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$2,075Average$2,674FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

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

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