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Cheap flights from Porto Alegre to Sydney from $1,900

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
POA — SYD
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Porto Alegre Salgado Filho to Sydney Kingsford Smith are usually found in August or July, booked 37 days in advance, depart on a Tuesday or Friday and return on a Friday

Cheap flight deals from Porto Alegre to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Porto Alegre (POA) to Sydney (SYD). 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 17 September 2025.

Round-trip from

$2,322

One-way from

$1,900

Popular in

January

Cheapest in

August

Average price

$2,890
Qatar Airways
  • Qatar Airways
  • 26/2-13/5
  • 4 total stops
  • 98h 05m total
  • Porto Alegre to Sydney
Search Deals
11/3
  • 11/3
  • 2 total stops
  • 35h 50m total
  • Porto Alegre to Sydney
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($638 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($115 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Porto Alegre to Sydney

Cheapest flights from Porto Alegre to Sydney
Explore the most affordable flight options available from Porto Alegre to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Fri 10/1020:40POA - SYD
1 stop23h 55mLATAM Airlines
Fri 24/1012:50SYD - POA
1 stop21h 00mLATAM Airlines
Deal found 15/9$2,863
Thu 16/1013:40POA - SYD
2 stops30h 55mLATAM Airlines
Thu 23/1012:50SYD - POA
2 stops25h 35mLATAM Airlines
Deal found 16/9$2,911
Sat 15/1104:45POA - SYD
2 stops36h 05mQatar Airways
Sun 7/1215:50SYD - POA
2 stops46h 35mQatar Airways
Deal found 16/9$2,925
Mon 17/1106:40POA - SYD
2 stops58h 10mQatar Airways
Sun 7/1215:50SYD - POA
2 stops39h 15mQatar Airways
Deal found 16/9$2,929
Sun 16/1111:15POA - SYD
3 stops42h 05mTurkish Airlines
Tue 2/1221:15SYD - POA
3 stops49h 30mTurkish Airlines
Deal found 16/9$2,950
Sun 28/1210:20POA - SYD
3 stops67h 30mTurkish Airlines
Wed 14/121:15SYD - POA
3 stops49h 30mTurkish Airlines
Deal found 15/9$2,965
Tue 14/1020:00POA - SYD
3 stops48h 35mLATAM Airlines
Tue 21/1013:20SYD - POA
2 stops32h 55mLATAM Airlines
Deal found 16/9$2,976

Cheapflights Fare Finder

 
Customise your flight search to find flights from Porto Alegre to Sydney 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 17 September 2025.
Use the filters below to find and compare flights from Porto Alegre to Sydney that are best for you.

Fly from

Porto Alegre

Fly to

Sydney

Route

Depart

Return

Price

Porto AlegreSydney

POA - SYD

POASYD

Porto Alegre Salgado Filho

Thu 26/2

20:10-18:50

2 stops56h 40m

Sydney Kingsford Smith

Wed 13/5

14:50-00:25

2 stops46h 35m

$2,333

Porto AlegreSydney

POA - SYD

POASYD

Porto Alegre Salgado Filho

Sun 1/3

20:10-18:50

2 stops56h 40m

Sydney Kingsford Smith

Wed 1/4

15:50-23:25

2 stops45h 35m

$2,872

Porto AlegreSydney

POA - SYD

POASYD

Porto Alegre Salgado Filho

Tue 18/11

14:55-06:50

2 stops49h 55m

Sydney Kingsford Smith

Sun 7/12

15:50-19:20

2 stops41h 30m

$2,925

Porto AlegreSydney

POA - SYD

POASYD

Porto Alegre Salgado Filho

Wed 19/11

06:40-06:50

2 stops34h 10m

Sydney Kingsford Smith

Sun 7/12

15:50-23:25

2 stops45h 35m

$2,925

Porto AlegreSydney

POA - SYD

POASYD

Porto Alegre Salgado Filho

Sun 16/11

06:40-06:50

2 stops34h 10m

Sydney Kingsford Smith

Sun 7/12

15:50-23:25

2 stops45h 35m

$2,925

Porto AlegreSydney

POA - SYD

POASYD

Porto Alegre Salgado Filho

Wed 19/11

15:25-19:20

3 stops61h 55m

Sydney Kingsford Smith

Sun 7/12

21:15-08:45

3 stops49h 30m

$2,950

Porto AlegreSydney

POA - SYD

POASYD

Porto Alegre Salgado Filho

Thu 20/11

15:25-19:20

3 stops61h 55m

Sydney Kingsford Smith

Sun 7/12

21:15-08:45

3 stops49h 30m

$2,950

Porto AlegreSydney

POA - SYD

POASYD

Porto Alegre Salgado Filho

Wed 19/11

15:25-19:20

3 stops61h 55m

Sydney Kingsford Smith

Tue 2/12

21:15-08:45

3 stops49h 30m

$2,950

Porto AlegreSydney

POA - SYD

POASYD

Porto Alegre Salgado Filho

Tue 18/11

15:25-19:20

3 stops61h 55m

Sydney Kingsford Smith

Sun 7/12

21:15-08:45

3 stops49h 30m

$2,950

Porto AlegreSydney

POA - SYD

POASYD

Porto Alegre Salgado Filho

Tue 10/2

14:55-19:20

3 stops62h 25m

Sydney Kingsford Smith

Fri 29/5

21:10-10:35

3 stops50h 25m

$2,950

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 18 results
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2

Best time to book a flight from Porto Alegre to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Porto Alegre 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.

Cheapflights Insights

Everything you need to know about your flight from Porto Alegre to Sydney

How far ahead should I book a flight from Porto Alegre to Sydney?

Use this chart to determine the optimal time to book a return flight from Porto Alegre to Sydney. Price data was last updated on 12 September 2025.

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Porto Alegre to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Porto Alegre to Sydney?

Currently, May is the cheapest month in which you can book a flight from Porto Alegre to Sydney (average of $129). Flying from Porto Alegre to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from POA to SYD?

Find hourly flight availability from Porto Alegre to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

It’s optimal to fly from Porto Alegre to Sydney in the afternoon. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 17 September 2025.
See what other customers who have flown with LATAM Airlines from Porto Alegre to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,847 reviews
Check prices

Boarding

7.6

Crew

8.0

Entertainment

7.0

Overall

7.5

Food

6.7

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Darrel,Sept 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.
LATAM Airlines
7.5
Good
1,847 reviews
LATAM Airlines
7.5
Good
1,847 reviews
Check prices

Boarding

7.6

Crew

8.0

Entertainment

7.0

Overall

7.5

Food

6.7

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Darrel,Sept 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.

Related info for your journey

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

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

    For as low as $2,333, Qatar Airways can have you in Sydney from Porto Alegre in 56h 40m. There are 12519 km between Porto Alegre and Sydney.

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

    LATAM Airlines, at $2,706, was found to be the cheapest airline from Porto Alegre to Sydney.. Users have found that LATAM Airlines is 9% cheaper than the other options available to this destination.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Porto Alegre to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Porto Alegre to Sydney (average of $129). Flying from Porto Alegre to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Manly
Terrigal
Lithgow
Randwick
Bondi Beach
Coogee
Cronulla
Leura

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Porto Alegre to Sydney

Discover the top airline that operate flights from Porto Alegre to Sydney. 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$2,706Average$3,486FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Porto Alegre to Sydney?

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Millions of users choose and trust Cheapflights to book the best flight deals from Porto Alegre to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Porto Alegre to Sydney with no change fees.

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

Not ready to book yet? You can track prices for flights from Porto Alegre to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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