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£404+ 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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
13 Jul — 20 Jul1
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 13 June 2026.

Sun 9/821:20
LHR
-
POA
1 stop26h 00m
LATAM Airlines
Sun 23/810:00
POA
-
LHR
2 stops25h 05m
LATAM Airlines
Deal found 10/6£1,267
Thu 13/820:25
LHR
-
POA
2 stops26h 55m
LATAM Airlines
Tue 1/917:50
POA
-
LHR
2 stops41h 40m
LATAM Airlines
Deal found 10/6£1,268
Wed 12/808:00
LHR
-
POA
2 stops28h 05m
Multiple Airlines
Mon 17/801:00
POA
-
LHR
1 stop17h 00m
Multiple Airlines
Deal found 9/6£1,270
Wed 12/808:00
LHR
-
POA
2 stops28h 05m
Multiple Airlines
Thu 20/815:25
POA
-
LHR
1 stop19h 40m
Multiple Airlines
Deal found 9/6£1,272
Sun 9/821:20
LHR
-
POA
1 stop26h 00m
LATAM Airlines
Sun 16/814:25
POA
-
LHR
1 stop20h 40m
LATAM Airlines
Deal found 9/6£1,273
Tue 3/1106:00
LHR
-
POA
1 stop16h 40m
TAP AIR PORTUGAL
Sat 28/1121:10
POA
-
LHR
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 11/6£1,274
Fri 7/821:20
LHR
-
POA
1 stop26h 00m
LATAM Airlines
Fri 14/810:05
POA
-
LHR
1 stop25h 00m
LATAM Airlines
Deal found 10/6£1,276
Fri 14/808:40
LHR
-
POA
2 stops19h 35m
Multiple Airlines
Sun 30/819:40
POA
-
LHR
3 stops30h 40m
Multiple Airlines
Deal found 8/6£1,277
Fri 14/817:25
LGW
-
POA
2 stops30h 20m
Multiple Airlines
Tue 1/909:45
POA
-
LGW
2 stops19h 15m
Multiple Airlines
Deal found 8/6£1,277
Fri 14/818:05
LHR
-
POA
2 stops44h 30m
American Airlines
Thu 3/914:05
POA
-
LHR
2 stops36h 15m
American Airlines
Deal found 8/6£1,279
Thu 6/821:20
LHR
-
POA
1 stop27h 50m
LATAM Airlines
Tue 18/806:40
POA
-
LHR
1 stop28h 25m
LATAM Airlines
Deal found 10/6£1,280
Wed 17/618:40
LHR
-
POA
2 stops18h 35m
SWISS
Tue 23/614:20
POA
-
LHR
3 stops27h 10m
SWISS
Deal found 8/6£1,281

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 858,174 searches and data was last updated on 13 June 2026.

Return from

£1,267

One-way from

£404

Popular in

December

Cheapest in

May

Average price

£1,093
LATAM Airlines
  • LATAM Airlines
  • 9/8-23/8
  • 3 total stops
  • 51h 05m total
  • London to Porto Alegre
Search Deals
25/8
  • 25/8
  • 3 total stops
  • 49h 45m total
  • London to Porto Alegre
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£112 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for return flights in June 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 858,174 searches and data was last updated on 13 June 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

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 3/11

06:00-19:40

1 stop16h 40m

Porto Alegre Salgado Filho

Thu 26/11

00:45-18:55

1 stop15h 10m

£1,274

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sat 7/11

06:00-19:40

1 stop16h 40m

Porto Alegre Salgado Filho

Sat 28/11

21:10-15:30

1 stop15h 20m

£1,277
Fastest return journey

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 5/11

06:00-19:20

1 stop16h 20m

Porto Alegre Salgado Filho

Sat 28/11

21:10-15:30

1 stop15h 20m

£1,288

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 13/8

21:20-14:45

2 stops21h 25m

Porto Alegre Salgado Filho

Tue 1/9

17:50-15:05

1 stop17h 15m

£1,289

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sat 5/9

10:35-22:40

1 stop16h 05m

Porto Alegre Salgado Filho

Mon 14/9

06:00-09:45

2 stops23h 45m

£1,296

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Mon 17/8

13:45-21:45

1 stop36h 00m

Porto Alegre Salgado Filho

Tue 1/9

15:30-22:00

2 stops26h 30m

£1,321

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 14/8

08:40-23:25

2 stops18h 45m

Porto Alegre Salgado Filho

Wed 2/9

15:45-16:15

2 stops20h 30m

£1,353

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 11/8

19:15-09:20

3 stops42h 05m

Porto Alegre Salgado Filho

Tue 18/8

14:20-21:30

3 stops27h 10m

£1,356

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 13/8

08:40-23:40

2 stops19h 00m

Porto Alegre Salgado Filho

Tue 1/9

18:25-16:15

2 stops17h 50m

£1,368

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 16/9

19:15-09:20

3 stops42h 05m

Porto Alegre Salgado Filho

Sat 26/9

14:25-13:00

2 stops18h 35m

£1,379

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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

How long is the flight to Porto Alegre?

On average, a flight from London to Porto Alegre takes 18 hours 25 minutes. Flights to Porto Alegre from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Porto Alegre?

The most popular airlines flying from London to Porto Alegre are LATAM Airlines, TAP AIR PORTUGAL and Virgin Atlantic.

LATAM Airlines
LATAM Airlines
From £755
TAP AIR PORTUGAL
TAP AIR PORTUGAL
From £620
Virgin Atlantic
Virgin Atlantic
From £929
Lufthansa
Lufthansa
From £716

What are the cheapest airlines that fly to Porto Alegre?

The cheapest airlines flying from London to Porto Alegre are TAP AIR PORTUGAL, LATAM Airlines and Virgin Atlantic.

Rainfall in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto Alegre ranges from 70.0 - 130.0 inches per month. September is typically the wettest month, when rainfall can reach 130.0 mm. November is typically the driest time to visit Porto Alegre when rainfall is around 70.0 mm.

Temperature in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto Alegre, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 13.0 C).

When is the best time to book a flight to Porto Alegre?

The price you pay for your flight to Porto Alegre may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 13 June 2026.
Read reviews from past customers who have flown Virgin Atlantic,LATAM Airlines, andTAP AIR PORTUGAL to Brazil. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Crew

8.1

Food

6.9

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Crew

8.1

Food

6.9

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
LATAM Airlines
7.4
Good
1,932 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Crew

8.1

Food

6.9

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
TAP AIR PORTUGAL
7.2
Good
2,272 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Crew

8.1

Food

6.9

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

FAQs about flying to Porto Alegre

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

    If you book a flight to Porto Alegre, you will be flying into Salgado Filho, which is the city’s only airport. Porto Alegre Salgado Filho (POA) is located 4.0 mi from the center of Porto Alegre.

  • 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, TAP AIR PORTUGAL 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 £62, while return flights cost around £682.

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

    For those looking to save time traveling to Porto Alegre, London offers the quickest one-way flight (16 hours 25 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 mi away from Porto Alegre Salgado Filho).

See more FAQs

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