£317+ 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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
9 Apr — 16 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 10 March 2026.

Sat 11/420:50
LHR
-
POA
3 stops32h 05m
Multiple Airlines
Thu 30/410:25
POA
-
LHR
2 stops25h 10m
Multiple Airlines
Deal found 7/3£774
Sat 11/420:50
LHR
-
POA
3 stops32h 05m
Multiple Airlines
Fri 1/510:35
POA
-
LHR
2 stops25h 00m
Multiple Airlines
Deal found 6/3£808
Tue 20/1021:20
LHR
-
POA
1 stop20h 55m
LATAM Airlines
Wed 4/1121:40
POA
-
LHR
2 stops37h 25m
LATAM Airlines
Deal found 9/3£809
Tue 9/618:30
LHR
-
POA
2 stops22h 40m
Lufthansa
Tue 16/611:00
POA
-
LHR
2 stops26h 40m
Lufthansa
Deal found 8/3£817
Sat 21/1120:15
LHR
-
POA
1 stop16h 30m
LATAM Airlines
Sun 6/1214:25
POA
-
LHR
1 stop20h 40m
LATAM Airlines
Deal found 6/3£818
Sat 7/306:00
LHR
-
POA
1 stop16h 40m
TAP AIR PORTUGAL
Sat 14/321:10
POA
-
LHR
1 stop17h 20m
TAP AIR PORTUGAL
Deal found 6/3£824
Tue 20/1008:00
LHR
-
POA
2 stops20h 15m
Multiple Airlines
Wed 4/1114:05
POA
-
LHR
1 stop21h 00m
Multiple Airlines
Deal found 9/3£825
Sat 18/421:20
LHR
-
POA
1 stop26h 00m
LATAM Airlines
Tue 19/521:40
POA
-
LHR
2 stops37h 25m
LATAM Airlines
Deal found 6/3£839
Tue 9/618:30
LCY
-
POA
2 stops22h 40m
Lufthansa
Tue 16/611:00
POA
-
LCY
2 stops26h 55m
Lufthansa
Deal found 8/3£853
Mon 4/521:20
LHR
-
POA
1 stop26h 00m
LATAM Airlines
Thu 21/520:05
POA
-
LHR
1 stop15h 00m
LATAM Airlines
Deal found 6/3£858
Sat 11/417:25
LGW
-
POA
2 stops25h 55m
Multiple Airlines
Thu 30/406:10
POA
-
LGW
2 stops30h 15m
Multiple Airlines
Deal found 6/3£886
Thu 4/618:35
LGW
-
POA
2 stops18h 45m
SWISS
Wed 17/614:20
POA
-
LGW
2 stops23h 35m
SWISS
Deal found 7/3£897

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 10 March 2026.

Return from

£774

One-way from

£317

Popular in

July

Cheapest in

May

Average price

£875
11/4-30/4
  • 11/4-30/4
  • 5 total stops
  • 57h 15m total
  • London to Porto Alegre
27/4
  • 27/4
  • 3 total stops
  • 22h 30m total
  • London to Porto Alegre
Highest demand for flights based on searches. 11% potential increase in price (£126 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£32 potential savings vs. average return price).
Average for return flights in March 2026

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 10 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

Cheapest return flight

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Tue 9/6

18:30-13:10

2 stops22h 40m

Porto Alegre Salgado Filho

Tue 16/6

11:00-17:55

2 stops26h 55m

£853
Fastest return journey

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Mon 4/5

21:20-11:15

1 stop17h 55m

Porto Alegre Salgado Filho

Thu 21/5

20:05-15:05

1 stop15h 00m

£870

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Thu 4/6

18:35-09:20

2 stops18h 45m

Porto Alegre Salgado Filho

Wed 17/6

14:20-17:55

2 stops23h 35m

£897

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Tue 9/6

18:35-09:15

2 stops18h 40m

Porto Alegre Salgado Filho

Tue 16/6

14:20-17:50

2 stops23h 30m

£900

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 9/6

20:05-09:15

2 stops41h 10m

Porto Alegre Salgado Filho

Tue 16/6

14:20-18:30

3 stops24h 10m

£927

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Fri 10/4

17:40-10:10

2 stops20h 30m

Porto Alegre Salgado Filho

Thu 30/4

08:50-16:00

2 stops27h 10m

£928

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Tue 5/5

10:00-14:20

2 stops32h 20m

Porto Alegre Salgado Filho

Tue 19/5

09:45-09:00

2 stops19h 15m

£930

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Fri 10/4

10:00-10:45

2 stops28h 45m

Porto Alegre Salgado Filho

Thu 30/4

06:10-16:25

2 stops30h 15m

£958

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sat 11/4

19:45-10:55

2 stops43h 10m

Porto Alegre Salgado Filho

Fri 1/5

17:50-18:55

2 stops21h 05m

£994

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Tue 5/5

09:20-23:45

2 stops18h 25m

Porto Alegre Salgado Filho

Sat 30/5

14:40-08:50

2 stops38h 10m

£995

Flights are sorted by cheapest return flights first.

Deals found on 8/3

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 6 March 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 22 hours 30 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 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 10 March 2026.
Read reviews from past customers who have flown KLM,Virgin Atlantic, andLATAM Airlines to Brazil. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.6

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

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.6

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

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.6

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

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.6

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

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.6

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

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.6

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 £62, 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 £65, 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 (18 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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