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£428+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
31 Mar — 7 Apr1
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 1 March 2026.

Sat 7/306:00
LHR
-
POA
1 stop16h 40m
TAP AIR PORTUGAL
Sat 14/321:10
POA
-
LHR
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 28/2£722
Sat 11/406:00
LGW
-
POA
3 stops32h 35m
Multiple Airlines
Thu 30/415:20
POA
-
LGW
2 stops24h 15m
Multiple Airlines
Deal found 1/3£800
Fri 17/406:00
LHR
-
POA
2 stops22h 15m
Multiple Airlines
Fri 8/505:30
POA
-
LHR
2 stops30h 05m
Multiple Airlines
Deal found 26/2£803
Mon 4/521:20
LHR
-
POA
2 stops25h 25m
LATAM Airlines
Thu 21/520:05
POA
-
LHR
1 stop15h 00m
LATAM Airlines
Deal found 28/2£808
Thu 16/421:20
LHR
-
POA
1 stop18h 45m
LATAM Airlines
Wed 6/510:05
POA
-
LHR
1 stop25h 00m
LATAM Airlines
Deal found 26/2£823
Fri 17/421:20
LHR
-
POA
1 stop15h 30m
LATAM Airlines
Fri 8/519:35
POA
-
LHR
2 stops39h 30m
LATAM Airlines
Deal found 26/2£824
Fri 10/417:40
LGW
-
POA
2 stops20h 30m
Multiple Airlines
Thu 30/415:20
POA
-
LGW
2 stops24h 15m
Multiple Airlines
Deal found 1/3£830
Mon 13/421:20
LHR
-
POA
1 stop20h 55m
LATAM Airlines
Tue 12/521:40
POA
-
LHR
2 stops37h 25m
LATAM Airlines
Deal found 1/3£840
Wed 4/320:15
LHR
-
POA
1 stop20h 50m
LATAM Airlines
Tue 31/320:45
POA
-
LHR
1 stop14h 20m
LATAM Airlines
Deal found 28/2£845
Mon 30/306:10
LGW
-
POA
2 stops29h 45m
Multiple Airlines
Mon 6/404:45
POA
-
LGW
3 stops39h 10m
Multiple Airlines
Deal found 28/2£872
Fri 17/414:30
LGW
-
POA
3 stops24h 15m
Multiple Airlines
Fri 8/513:45
POA
-
LGW
3 stops22h 40m
Multiple Airlines
Deal found 26/2£874
Sat 11/417:00
LGW
-
POA
2 stops21h 35m
Multiple Airlines
Fri 1/515:15
POA
-
LGW
2 stops20h 25m
Multiple Airlines
Deal found 1/3£886

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 1 March 2026.

Return from

£803

One-way from

£428

Popular in

July

Cheapest in

May

Average price

£849
17/4-8/5
  • 17/4-8/5
  • 4 total stops
  • 52h 20m total
  • London to Porto Alegre
Search Deals
11/6
  • 11/6
  • 3 total stops
  • 46h 05m total
  • London to Porto Alegre
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£133 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for return flights in March 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 1 March 2026.
Use the filters below to find and compare flights to Porto Alegre that are best for you.

Fly from

Route

Depart

Return

Price

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Mon 4/5

21:20-09:15

1 stop15h 55m

Porto Alegre Salgado Filho

Thu 21/5

20:05-15:05

1 stop15h 00m

£808

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sat 11/4

06:00-10:35

3 stops32h 35m

Porto Alegre Salgado Filho

Thu 30/4

17:50-09:45

3 stops35h 55m

£875

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 16/4

08:00-20:25

1 stop16h 25m

Porto Alegre Salgado Filho

Wed 6/5

08:25-10:20

2 stops21h 55m

£909

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sat 30/5

20:05-09:15

2 stops41h 10m

Porto Alegre Salgado Filho

Tue 16/6

14:20-16:35

3 stops22h 15m

£922

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sat 11/4

21:20-11:25

1 stop18h 05m

Porto Alegre Salgado Filho

Fri 1/5

20:05-15:05

1 stop15h 00m

£933

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sat 11/4

10:35-22:40

1 stop16h 05m

Porto Alegre Salgado Filho

Thu 30/4

21:55-11:20

2 stops33h 25m

£958

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Mon 13/4

07:00-11:40

3 stops32h 40m

Porto Alegre Salgado Filho

Tue 12/5

14:20-13:00

2 stops18h 40m

£984

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Mon 16/3

16:35-19:40

1 stop30h 05m

Porto Alegre Salgado Filho

Thu 19/3

10:45-20:40

2 stops30h 55m

£1,022

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Thu 16/4

17:25-09:45

2 stops20h 20m

Porto Alegre Salgado Filho

Wed 6/5

09:45-09:00

2 stops19h 15m

£1,024

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Sat 30/5

09:00-09:15

2 stops28h 15m

Porto Alegre Salgado Filho

Tue 16/6

11:00-17:55

2 stops26h 55m

£1,049

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Showing 1-10 of 45 resultsSorted by cheapest first
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5

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

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

Use this chart to determine the optimal time to book a return flight from London to Porto Alegre. Price data was last updated on 27 February 2026.

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 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 £711
TAP AIR PORTUGAL
TAP AIR PORTUGAL
From £616
Virgin Atlantic
Virgin Atlantic
From £876
Lufthansa
Lufthansa
From £587

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).

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 1 March 2026.
Read reviews from past customers who have flown KLM, LATAM Airlines, andVirgin Atlantic to Brazil. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,461 reviews
Check prices

Food

7.3

Comfort

7.6

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,461 reviews
KLM
7.7
Good
1,461 reviews
Check prices

Food

7.3

Comfort

7.6

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
LATAM Airlines
7.5
Good
1,924 reviews
KLM
7.7
Good
1,461 reviews
Check prices

Food

7.3

Comfort

7.6

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
680 reviews
KLM
7.7
Good
1,461 reviews
Check prices

Food

7.3

Comfort

7.6

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
TAP AIR PORTUGAL
7.1
Good
2,155 reviews
KLM
7.7
Good
1,461 reviews
Check prices

Food

7.3

Comfort

7.6

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,820 reviews
KLM
7.7
Good
1,461 reviews
Check prices

Food

7.3

Comfort

7.6

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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, SWISS 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 £61, while return flights cost around £50.

  • How much is a return flight to Porto Alegre?

    A return flight to Porto Alegre will typically cost around £70, however they can be found for as little as £50.

  • 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 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 mi away from Porto Alegre Salgado Filho).

See more FAQs

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