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$2,274+ 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 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
13 Sep — 20 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 14 August 2026.

Thu 22/1010:20 -
3 stops40h 40m
Thu 12/1115:25 -
3 stops52h 10m
Deal found 9/8$2,549
Sun 6/907:25 -
2 stops23h 50m
Sun 27/919:05 -
1 stop22h 45m
Deal found 13/8$2,749
Wed 9/911:45 -
2 stops24h 20m
Tue 15/919:05 -
2 stops25h 25m
Deal found 10/8$2,761
Sun 27/911:45 -
1 stop19h 30m
Wed 3/317:40 -
2 stops26h 05m
Deal found 12/8$2,765
Thu 22/1012:45 -
2 stops24h 40m
Thu 12/1112:25 -
2 stops27h 50m
Deal found 9/8$2,766
Mon 28/911:45 -
2 stops34h 35m
Sun 28/217:40 -
2 stops25h 50m
Deal found 12/8$2,775
Wed 30/911:45 -
2 stops36h 50m
Sun 28/217:40 -
2 stops27h 50m
Deal found 12/8$2,782
Wed 9/917:55 -
2 stops37h 20m
Tue 15/919:05 -
1 stop22h 45m
Deal found 10/8$2,819
Sun 27/911:45 -
1 stop19h 30m
Tue 2/307:30 -
2 stops32h 45m
Deal found 12/8$2,843
Sun 27/911:45 -
1 stop19h 30m
Sat 27/212:25 -
2 stops27h 50m
Deal found 12/8$2,847

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 14 August 2026.

Return from

$2,549

One-way from

$2,274

Popular in

December

Cheapest in

May

Average price

$2,739
22/10-12/11
  • 22/10-12/11
  • 6 total stops
  • 92h 50m total
  • Sydney to Porto Alegre
Search Deals
American Airlines
  • American Airlines
  • 14/12
  • 2 total stops
  • 38h 55m total
  • Sydney to Porto Alegre
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($333 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($92 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 14 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

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Thu 22/10

10:20-13:00

3 stops40h 40m

Porto Alegre Salgado Filho

Thu 12/11

15:25-09:35

3 stops52h 10m

$2,549
Fastest return journey

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Sun 6/9

07:25-18:15

2 stops23h 50m

Porto Alegre Salgado Filho

Sun 27/9

19:05-06:50

1 stop22h 45m

$2,749

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Thu 22/10

12:45-23:25

2 stops24h 40m

Porto Alegre Salgado Filho

Thu 12/11

12:25-06:15

2 stops27h 50m

$2,766

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Wed 9/9

17:55-18:15

2 stops37h 20m

Porto Alegre Salgado Filho

Tue 15/9

19:05-06:50

1 stop22h 45m

$2,819

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Wed 9/9

11:45-23:05

2 stops24h 20m

Porto Alegre Salgado Filho

Tue 15/9

14:15-09:30

3 stops30h 15m

$2,945

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Sun 27/9

14:50-23:00

2 stops45h 10m

Porto Alegre Salgado Filho

Wed 3/3

13:00-18:20

2 stops39h 20m

$3,282

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Wed 30/9

14:50-14:15

2 stops36h 25m

Porto Alegre Salgado Filho

Sat 27/2

16:05-18:20

2 stops36h 15m

$3,326

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Fri 2/10

14:50-14:40

2 stops36h 50m

Porto Alegre Salgado Filho

Sun 28/2

13:00-18:20

2 stops39h 20m

$3,326

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Tue 29/9

12:20-18:15

1 stop18h 55m

Porto Alegre Salgado Filho

Mon 1/3

17:40-16:30

1 stop32h 50m

$3,340

SydneyPorto Alegre

SYD Sydney Kingsford Smith - POA Porto Alegre Salgado Filho

SYDPOA

Sydney Kingsford Smith

Tue 29/9

20:45-14:15

2 stops54h 30m

Porto Alegre Salgado Filho

Fri 26/2

16:05-18:20

2 stops36h 15m

$3,340

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Showing 1-10 of 16 resultsSorted by cheapest first
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 14 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
1,979 reviews
Check prices

Crew

8.0

Overall

7.4

Boarding

7.5

Food

6.7

Comfort

7.3

Entertainment

7.0

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
1,979 reviews
LATAM Airlines
7.4
Good
1,979 reviews
Check prices

Crew

8.0

Overall

7.4

Boarding

7.5

Food

6.7

Comfort

7.3

Entertainment

7.0

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.

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

    For those looking to save time traveling to Porto Alegre, Melbourne offers the quickest one-way flight (19 hours 15 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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