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Cheap flights from Sydney to Porto Alegre from $1,085

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Porto Alegre departing on 5/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Sydney to Porto Alegre

Cheap return flights

LATAM Airlines Logo
11:50 - 19:50SYD-POA
21h 00m2 stops
LATAM Airlines Logo
20:40 - 07:45POA-SYD
21h 05m1 stop
$2,879LATAM Airlines
Find Deal
Sun, 28 Sep - Sun, 5 Oct
LATAM Airlines Logo
11:50 - 19:50SYD-POA
21h 00m2 stops
LATAM Airlines Logo
20:40 - 07:45POA-SYD
21h 05m1 stop
$3,053LATAM Airlines
Find Deal
Sun, 28 Sep - Sun, 5 Oct
LATAM Airlines Logo
11:50 - 19:50SYD-POA
21h 00m2 stops
LATAM Airlines Logo
13:00 - 07:45POA-SYD
28h 45m2 stops
$3,094LATAM Airlines
Find Deal
Sun, 28 Sep - Sun, 5 Oct
Logo
11:20 - 18:20SYD-POA
45h 00m3 stops
Logo
14:05 - 09:35POA-SYD
53h 30m3 stops
$3,326
Find Deal
Thu, 15 Jan - Thu, 22 Jan
Logo
06:15 - 19:50SYD-POA
26h 35m2 stops
Logo
20:40 - 10:35POA-SYD
23h 55m2 stops
$3,466
Find Deal
Mon, 29 Sep - Mon, 6 Oct
Qatar Airways Logo
15:50 - 14:00SYD-POA
36h 10m2 stops
Qatar Airways Logo
20:10 - 18:50POA-SYD
56h 40m2 stops
$3,568Qatar Airways
Find Deal
Thu, 15 Jan - Thu, 22 Jan
Emirates Logo
06:00 - 00:30SYD-POA
55h 30m2 stops
Emirates Logo
20:55 - 18:20POA-SYD
55h 25m2 stops
$3,615Emirates
Find Deal
Mon, 29 Sep - Mon, 6 Oct
United Airlines Logo
11:50 - 18:20SYD-POA
44h 30m2 stops
United Airlines Logo
15:30 - 07:00POA-SYD
49h 30m2 stops
$3,655United Airlines
Find Deal
Thu, 25 Dec - Sun, 25 Jan
United Airlines Logo
11:50 - 20:00SYD-POA
46h 10m2 stops
United Airlines Logo
15:30 - 07:00POA-SYD
49h 30m2 stops
$3,734United Airlines
Find Deal
Thu, 25 Dec - Sun, 25 Jan
Qatar Airways Logo
15:50 - 17:35SYD-POA
39h 45m2 stops
Qatar Airways Logo
04:40 - 18:50POA-SYD
48h 10m2 stops
$4,156Qatar Airways
Find Deal
Thu, 25 Dec - Sat, 24 Jan

United Airlines flights from Sydney to Porto Alegre

Our best United Airlines deals on Sydney to Porto Alegre flight tickets
United Airlines
25 Dec
SYD11:50Sydney Kingsford Smith
44h 30m
2 stops
POA18:20Porto Alegre Salgado Filho
25 Jan
POA15:30Porto Alegre Salgado Filho
49h 30m
2 stops
SYD07:00Sydney Kingsford Smith
$3,655
Find similar
United Airlines
25 Dec
SYD11:50Sydney Kingsford Smith
46h 10m
2 stops
POA20:00Porto Alegre Salgado Filho
25 Jan
POA15:30Porto Alegre Salgado Filho
49h 30m
2 stops
SYD07:00Sydney Kingsford Smith
$3,734
Find similar

Qatar Airways flights from Sydney to Porto Alegre

Our best Qatar Airways deals on Sydney to Porto Alegre flight tickets
Qatar Airways
15 Jan
SYD15:50Sydney Kingsford Smith
36h 10m
2 stops
POA14:00Porto Alegre Salgado Filho
22 Jan
POA20:10Porto Alegre Salgado Filho
56h 40m
2 stops
SYD18:50Sydney Kingsford Smith
$3,568
Find similar
Qatar Airways
25 Dec
SYD15:50Sydney Kingsford Smith
39h 45m
2 stops
POA17:35Porto Alegre Salgado Filho
24 Jan
POA04:40Porto Alegre Salgado Filho
48h 10m
2 stops
SYD18:50Sydney Kingsford Smith
$4,156
Find similar
Qatar Airways
25 Dec
SYD15:50Sydney Kingsford Smith
39h 45m
2 stops
POA17:35Porto Alegre Salgado Filho
24 Jan
POA04:40Porto Alegre Salgado Filho
48h 10m
2 stops
SYD18:50Sydney Kingsford Smith
$4,171
Find similar

momondo 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, momondo users made 78,305 searches. Data last updated 16 August 2025.
Use the filters below to find and compare flights from Sydney to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Sun 28/9

11:50-19:50

2 stops21h 00m

Porto Alegre Salgado Filho

Sun 5/10

20:40-07:45

1 stop21h 05m

$2,879

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Sun 28/9

11:50-19:50

2 stops21h 00m

Porto Alegre Salgado Filho

Sun 5/10

20:40-07:45

1 stop21h 05m

$3,053

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Sun 28/9

11:50-19:50

2 stops21h 00m

Porto Alegre Salgado Filho

Sun 5/10

13:00-07:45

2 stops28h 45m

$3,094

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 15/1

11:20-18:20

3 stops45h 00m

Porto Alegre Salgado Filho

Thu 22/1

14:05-09:35

3 stops53h 30m

$3,326

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Mon 29/9

06:15-19:50

2 stops26h 35m

Porto Alegre Salgado Filho

Mon 6/10

20:40-10:35

2 stops23h 55m

$3,466

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 15/1

15:50-14:00

2 stops36h 10m

Porto Alegre Salgado Filho

Thu 22/1

20:10-18:50

2 stops56h 40m

$3,568

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Mon 29/9

06:00-00:30

2 stops55h 30m

Porto Alegre Salgado Filho

Mon 6/10

20:55-18:20

2 stops55h 25m

$3,615

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 25/12

11:50-18:20

2 stops44h 30m

Porto Alegre Salgado Filho

Sun 25/1

15:30-07:00

2 stops49h 30m

$3,655

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 25/12

11:50-20:00

2 stops46h 10m

Porto Alegre Salgado Filho

Sun 25/1

15:30-07:00

2 stops49h 30m

$3,734

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 25/12

15:50-17:35

2 stops39h 45m

Porto Alegre Salgado Filho

Sat 24/1

04:40-18:50

2 stops48h 10m

$4,156

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Porto Alegre from

How to get the cheapest flight ticket from Sydney to Porto Alegre

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Sydney and Porto Alegre?

What is the cheapest month to fly to Porto Alegre?

In general, March is the cheapest month to fly from Sydney to Porto Alegre. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $2,480. If you don’t want to visit Porto Alegre in March, then you should wait until July to fly from Sydney, when ticket prices are also cheap, with an average price of $2,497.

What is the cheapest day to depart on your flight to Porto Alegre?

On average, the least expensive day to fly to Porto Alegre from Sydney is on a Friday. momondo users have found tickets for Friday departures for as low as $2,363. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Porto Alegre is Sunday, with ticket prices averaging around $3,440.

What is the cheapest time of day to depart on your flight to Porto Alegre?

In the evening is the cheapest time of day to fly from Sydney to Porto Alegre when you can find flight prices for as low as $2,700. Flying to Porto Alegre in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $2,805 on average. Flights to Porto Alegre from Sydney in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Porto Alegre?

You are more likely to see cheaper flights to Porto Alegre from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto Alegre for around $2,834 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto Alegre from Sydney for as low as $2,428 on momondo.

Can stopping save me money on Sydney to Porto Alegre flights?

You could potentially save up to 3% on your flight if you consider stops on a Sydney to Porto Alegre flight.

When to book flights from Sydney to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to Porto Alegre (SYD to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Porto Alegre

Best price found

$1,085

Fastest flight time

19h 50m

Direct flights

None

Airports in Porto Alegre

1 airport
The best one-way flight to Porto Alegre from Sydney in the past 72 hours is $1,085. The best return flight deal from Sydney to Porto Alegre found on momondo in the last 72 hours is $2,879.
The fastest flight from Sydney to Porto Alegre takes 19h 50m
There are no direct flights from Sydney to Porto Alegre. Popular non-direct route for this connection is Sydney Kingsford Smith Airport - Porto Alegre Salgado Filho Airport.
There is 1 airport near Porto Alegre: Porto Alegre Salgado Filho (POA)
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  • How far is Sydney Kingsford Smith to Porto Alegre Salgado Filho by plane?

    Sydney Kingsford Smith and Porto Alegre Salgado Filho are 12519.5 km apart from one another. Flights usually cover this in 19h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Porto Alegre Salgado Filho Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Porto Alegre Salgado Filho Airport refresh daily.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Porto Alegre Salgado Filho Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Porto Alegre Salgado Filho Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The necessary travel and health documents for your Porto Alegre Salgado Filho Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sydney to Porto Alegre?

Best airlines flying from Sydney to Porto Alegre

Compare and see reviews for airlines that fly from Sydney to Porto Alegre with momondo
Airline
Rating
Free cancellation
Price
LATAM AirlinesPriceFrom $1,982Free cancellationRating
7.5
1,840 reviews
Search LATAM Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Porto Alegre?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Porto Alegre for you.

Can I find flights from Sydney to Porto Alegre with flexible booking policies on momondo?

Yes. All flights to Porto Alegre from Sydney on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Sydney to Porto Alegre?

momondo helps you find the best flight between Sydney and Porto Alegre by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Sydney to Porto Alegre right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Porto Alegre, momondo offers a useful price alert feature which will track prices for flights to Porto Alegre from Sydney and alert you when they change.

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