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$2,255+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
4 Sep — 11 Sep1
1 adult
1 adult, Economy, 0 bags

Flights to Porto Alegre in 2026

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 5 August 2026.

Fri 14/811:45 -
1 stop19h 30m
Tue 18/819:05 -
1 stop22h 45m
Deal found 31/7$2,394
Fri 18/911:46 -
2 stops25h 29m
Fri 25/919:05 -
1 stop22h 45m
Deal found 4/8$2,479
Thu 22/1012:46 -
2 stops34h 34m
Thu 12/1105:30 -
2 stops34h 45m
Deal found 2/8$2,485
Thu 22/1010:20 -
3 stops43h 50m
Thu 12/1115:25 -
3 stops52h 10m
Deal found 2/8$2,501
Sat 19/911:46 -
2 stops26h 19m
Sat 26/912:10 -
2 stops29h 40m
Deal found 4/8$2,567
Sat 19/906:30 -
3 stops50h 45m
Sat 26/908:25 -
3 stops36h 00m
Deal found 4/8$2,839

Find flight deals to Porto Alegre

Find the latest flights to Porto Alegre in 2026, 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 5 August 2026.

Return from

$2,479

Popular in

December

Cheapest in

May

Average price

$2,750
LATAM Airlines
  • LATAM Airlines
  • 18/9-25/9
  • 3 total stops
  • 48h 14m total
  • Sydney to Porto Alegre
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($361 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($95 potential savings vs. average return price).
Search Deals
Average for return flights in August 2026
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 5 August 2026.
Use the filters below to find and compare flights to Porto Alegre that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Fri 14/8

11:45-18:15

1 stop19h 30m

Porto Alegre Salgado Filho

Tue 18/8

19:05-06:50

1 stop22h 45m

$2,394

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Fri 18/9

11:46-01:20

2 stops26h 34m

Porto Alegre Salgado Filho

Fri 25/9

14:00-06:50

2 stops27h 50m

$2,482

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 22/10

12:46-09:20

2 stops34h 34m

Porto Alegre Salgado Filho

Thu 12/11

05:30-06:15

2 stops34h 45m

$2,485

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 22/10

10:20-16:10

3 stops43h 50m

Porto Alegre Salgado Filho

Thu 12/11

15:25-09:35

3 stops52h 10m

$2,501

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Sat 19/9

11:46-01:05

2 stops26h 19m

Porto Alegre Salgado Filho

Sat 26/9

12:10-06:50

2 stops29h 40m

$2,567

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Sat 19/9

06:30-20:15

3 stops50h 45m

Porto Alegre Salgado Filho

Sat 26/9

08:25-09:25

3 stops36h 00m

$2,839

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Fri 14/8

12:00-15:35

2 stops40h 35m

Porto Alegre Salgado Filho

Tue 18/8

18:45-08:20

3 stops48h 35m

$3,944
Cheapest one-way
Fastest single journey

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 10/12

14:05-15:35

2 stops39h 30m

$2,255

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 10/12

11:20-14:20

3 stops41h 00m

$3,920

SydneyPorto Alegre

SYD - POA

SYDPOA

Sydney Kingsford Smith

Thu 10/12

11:20-20:10

3 stops46h 50m

$4,152

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Sorted by cheapest first

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 5 August 2026.
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
7.4
Good
1,971 reviews
Check prices

Crew

8.0

Food

6.7

Comfort

7.3

Entertainment

7.0

Boarding

7.5

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
LATAM Airlines
7.4
Good
1,971 reviews
LATAM Airlines
7.4
Good
1,971 reviews
Check prices

Crew

8.0

Food

6.7

Comfort

7.3

Entertainment

7.0

Boarding

7.5

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

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.

  • What is the cheapest airport to fly to in Porto Alegre?

    Porto Alegre Salgado Filho is currently the cheapest airport to fly to in Porto Alegre. One-way flights to Porto Alegre Salgado Filho typically cost $511, while return flights cost around $423.

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

    For those looking to save time traveling to Porto Alegre, Brisbane offers the quickest one-way flight (22 hours 50 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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