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$1,439+ Cheap flights to Porto Alegre

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
10 Jan — 17 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Porto Alegre in 2025

Enter your travel dates to find the best prices.

Cheapest flights to Porto Alegre
Explore the most affordable flight options available to Porto Alegre. Find the lowest fares based on data from user searches, with prices last updated on 11 December 2025.

Wed 31/1208:00SYD - POA
3 stops30h 40mLATAM Airlines
Wed 4/218:00POA - SYD
1 stop22h 15mLATAM Airlines
Deal found 8/12$3,226
Wed 31/1208:00SYD - POA
3 stops30h 40mMultiple Airlines
Wed 4/218:00POA - SYD
3 stops59h 20mMultiple Airlines
Deal found 8/12$3,261
Thu 25/1211:50SYD - POA
2 stops46h 10mUnited Airlines
Sun 25/115:30POA - SYD
2 stops49h 30mUnited Airlines
Deal found 9/12$3,752
Thu 25/1214:05SYD - POA
2 stops41h 40mAmerican Airlines
Sun 25/117:55POA - SYD
3 stops48h 20mAmerican Airlines
Deal found 9/12$3,957
Sat 13/1209:45SYD - POA
3 stops45h 55mAmerican Airlines
Sun 11/119:20POA - SYD
3 stops46h 55mAmerican Airlines
Deal found 10/12$4,010
Mon 29/1211:10SYD - POA
1 stop19h 50mLATAM Airlines
Mon 5/112:40POA - SYD
2 stops27h 35mLATAM Airlines
Deal found 10/12$4,023
Mon 29/1213:05SYD - POA
3 stops34h 10mQantas Airways
Mon 5/117:55POA - SYD
2 stops33h 45mQantas Airways
Deal found 10/12$4,130

Find flight deals to Porto Alegre

Find the latest flights to Porto Alegre in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 11 December 2025.

Return from

$2,551

Popular in

December

Cheapest in

May

Average price

$3,658
9/3-9/4
  • 9/3-9/4
  • 6 total stops
  • 93h 55m total
  • Sydney to Porto Alegre
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($366 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($85 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Locate flights to Porto Alegre that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 11 December 2025.
Use the filters below to find and compare flights to Porto Alegre that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Mon 9/3

11:20-16:20

3 stops43h 00m

Porto Alegre Salgado Filho

Thu 9/4

15:25-07:20

3 stops50h 55m

$2,551

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Fri 27/3

10:20-16:10

3 stops43h 50m

Porto Alegre Salgado Filho

Sun 19/4

16:05-07:20

3 stops50h 15m

$2,656

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Tue 10/3

12:20-23:25

2 stops25h 05m

Porto Alegre Salgado Filho

Fri 10/4

04:45-17:40

2 stops23h 55m

$2,722

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Sat 28/3

11:10-17:00

1 stop19h 50m

Porto Alegre Salgado Filho

Tue 21/4

21:55-09:20

3 stops46h 25m

$2,752

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Sat 28/3

21:20-17:15

2 stops33h 55m

Porto Alegre Salgado Filho

Tue 21/4

21:55-09:20

3 stops46h 25m

$2,761

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Fri 27/3

11:10-13:45

2 stops40h 35m

Porto Alegre Salgado Filho

Sun 19/4

19:05-06:15

1 stop22h 10m

$2,820

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Tue 10/3

11:10-11:35

2 stops38h 25m

Porto Alegre Salgado Filho

Fri 10/4

10:05-06:15

2 stops31h 10m

$2,830

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Wed 8/4

08:15-09:15

3 stops38h 00m

$1,439

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Mon 6/4

08:15-20:10

3 stops48h 55m

$1,552

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Fri 10/4

11:10-16:00

2 stops41h 50m

$1,557

Flights are sorted by cheapest return flights first.

Deals found on 9/12

Showing 1-10 of 16 results
1
2

Best time to book a flight to Porto Alegre

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

What are the cheapest airlines that fly to Porto Alegre?

The cheapest airline flying from Sydney to Porto Alegre is LATAM Airlines.

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 December 2025.
Check out reviews from past customers who have flown LATAM Airlines to Brazil to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,889 reviews
Check prices

Comfort

7.3

Crew

8.0

Entertainment

7.0

Food

6.7

Overall

7.5

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,889 reviews
LATAM Airlines
7.5
Good
1,889 reviews
Check prices

Comfort

7.3

Crew

8.0

Entertainment

7.0

Food

6.7

Overall

7.5

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

FAQs about flying to Porto Alegre

  • What airport do you fly into for flights to Porto Alegre?

    Most people fly into Porto Alegre Salgado Filho (POA) if they book a flight to Porto Alegre. Salgado Filho is conveniently located just 6.4 km from Porto Alegre’s city centre.

  • Can I find cheaper flights to Porto Alegre if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Porto Alegre on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Porto Alegre?

    Based on reviews from Cheapflights users, LATAM Airlines is rated the highest out of the airlines that fly to Porto Alegre.

  • Where does the fastest flight to Porto Alegre depart from?

    For those looking to save time traveling to Porto Alegre, Sydney Kingsford Smith offers the quickest one-way flight (18 hours 40 minutes).

  • Does Porto Alegre Salgado Filho have car hire?

    Yes. Those touching down at Porto Alegre Salgado Filho can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Porto Alegre Salgado Filho?

    Yes. Porto Alegre Salgado Filho has hotels nearby for those requiring accommodations. Motel Porto dos Casais is the closest property to Porto Alegre Salgado Filho (0.0 km away from Porto Alegre Salgado Filho).

See more FAQs

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