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$1,353+ 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 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

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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 27 November 2025.

Thu 25/1211:50SYD - POA
2 stops44h 30mUnited Airlines
Sun 25/115:30POA - SYD
2 stops49h 30mUnited Airlines
Deal found 25/11$3,281
Thu 4/1221:45SYD - POA
2 stops33h 15mMultiple Airlines
Sat 17/104:40POA - SYD
2 stops35h 35mMultiple Airlines
Deal found 26/11$3,776
Thu 25/1214:05SYD - POA
2 stops41h 40mAmerican Airlines
Sun 25/117:55POA - SYD
3 stops48h 20mAmerican Airlines
Deal found 25/11$3,937
Thu 25/1209:00SYD - POA
2 stops46h 00mMultiple Airlines
Sun 25/117:50POA - SYD
1 stop22h 25mMultiple Airlines
Deal found 25/11$4,091
Tue 23/1222:10SYD - POA
2 stops32h 50mMultiple Airlines
Sun 18/117:50POA - SYD
1 stop22h 25mMultiple Airlines
Deal found 26/11$4,260
Mon 29/1211:10SYD - POA
1 stop19h 50mLATAM Airlines
Mon 5/118:00POA - SYD
2 stops25h 20mLATAM Airlines
Deal found 26/11$4,271
Mon 8/1211:10SYD - POA
1 stop19h 50mLATAM Airlines
Sun 4/106:35POA - SYD
2 stops33h 40mLATAM Airlines
Deal found 26/11$4,426

Flights to Porto Alegre in 2025

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 27 November 2025.

Return from

$2,268

One-way from

$1,353

Popular in

December

Cheapest in

April

Average price

$2,880
LATAM Airlines
  • LATAM Airlines
  • 10/3-10/4
  • 4 total stops
  • 52h 40m total
  • Sydney to Porto Alegre
Search Deals
LATAM Airlines
  • LATAM Airlines
  • 20/2
  • 1 total stop
  • 19h 50m total
  • Sydney to Porto Alegre
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($461 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($93 potential savings vs. average return price).
Search Deals
Average for return flights in November 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 27 November 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

Thu 15/1

11:50-14:40

2 stops40h 50m

Porto Alegre Salgado Filho

Fri 30/1

18:15-07:00

2 stops46h 45m

$3,130

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

$3,281

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 15/1

22:10-17:00

2 stops32h 50m

Porto Alegre Salgado Filho

Fri 30/1

20:40-06:20

3 stops43h 40m

$3,770

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 25/12

14:05-17:45

2 stops41h 40m

Porto Alegre Salgado Filho

Sun 25/1

17:55-08:15

3 stops48h 20m

$3,937

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 25/12

09:00-17:00

2 stops46h 00m

Porto Alegre Salgado Filho

Sun 25/1

17:50-06:15

1 stop22h 25m

$4,091

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 15/1

11:10-23:55

2 stops26h 45m

Porto Alegre Salgado Filho

Fri 30/1

18:00-06:15

1 stop22h 15m

$4,128

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 4/12

21:45-17:00

2 stops33h 15m

Porto Alegre Salgado Filho

Sun 18/1

07:15-06:15

3 stops33h 00m

$4,140

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Tue 23/12

22:10-17:00

2 stops32h 50m

Porto Alegre Salgado Filho

Sun 18/1

17:50-06:15

1 stop22h 25m

$4,260

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Mon 8/12

11:10-17:00

1 stop19h 50m

Porto Alegre Salgado Filho

Sun 4/1

06:35-06:15

2 stops33h 40m

$4,426

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Mon 29/12

11:10-22:50

2 stops25h 40m

Porto Alegre Salgado Filho

Mon 5/1

18:00-09:45

2 stops25h 45m

$4,563

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 15 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 27 November 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
1,886 reviews
Check prices

Overall

7.5

Boarding

7.6

Food

6.7

Entertainment

7.0

Comfort

7.3

Crew

8.0

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
1,886 reviews
LATAM Airlines
7.5
Good
1,886 reviews
Check prices

Overall

7.5

Boarding

7.6

Food

6.7

Entertainment

7.0

Comfort

7.3

Crew

8.0

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 (25 hours 0 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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