£464+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
20 Jun — 27 Jun1
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 21 May 2026.

Mon 15/606:00
LGW
-
POA
3 stops22h 20m
Multiple Airlines
Mon 22/617:10
POA
-
LGW
2 stops35h 50m
Multiple Airlines
Deal found 18/5£799
Mon 15/622:05
LHR
-
POA
2 stops28h 40m
Multiple Airlines
Mon 22/612:20
POA
-
LHR
2 stops29h 15m
Multiple Airlines
Deal found 18/5£802
Wed 17/621:20
LHR
-
POA
1 stop20h 55m
Multiple Airlines
Wed 24/606:00
POA
-
LHR
2 stops35h 35m
Multiple Airlines
Deal found 18/5£892
Fri 5/606:05
LGW
-
POA
3 stops22h 15m
Multiple Airlines
Sat 20/618:30
POA
-
LGW
2 stops34h 30m
Multiple Airlines
Deal found 17/5£898
Wed 17/620:55
LHR
-
POA
2 stops30h 50m
KLM
Wed 24/616:20
POA
-
LHR
2 stops19h 55m
KLM
Deal found 18/5£925
Wed 17/621:20
LHR
-
POA
1 stop23h 40m
LATAM Airlines
Wed 24/606:40
POA
-
LHR
2 stops29h 40m
LATAM Airlines
Deal found 18/5£927
Fri 5/614:05
LHR
-
POA
2 stops30h 05m
Multiple Airlines
Sat 20/615:45
POA
-
LHR
2 stops34h 50m
Multiple Airlines
Deal found 17/5£943
Tue 1/917:40
LHR
-
POA
2 stops25h 55m
Multiple Airlines
Thu 10/917:50
POA
-
LHR
2 stops32h 45m
Multiple Airlines
Deal found 18/5£980
Mon 22/606:00
LGW
-
POA
3 stops21h 40m
Multiple Airlines
Mon 13/720:05
POA
-
LGW
3 stops23h 25m
Multiple Airlines
Deal found 17/5£981
Wed 30/921:20
LHR
-
POA
1 stop23h 40m
LATAM Airlines
Thu 29/1014:20
POA
-
LHR
1 stop20h 45m
LATAM Airlines
Deal found 19/5£992
Wed 1/718:45
LHR
-
POA
1 stop29h 40m
TAP AIR PORTUGAL
Thu 23/721:55
POA
-
LHR
1 stop34h 50m
TAP AIR PORTUGAL
Deal found 19/5£1,002
Mon 22/622:05
LHR
-
POA
2 stops28h 40m
Multiple Airlines
Mon 13/714:00
POA
-
LHR
1 stop21h 05m
Multiple Airlines
Deal found 17/5£1,004

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 21 May 2026.

Return from

£799

One-way from

£464

Popular in

July

Cheapest in

May

Average price

£779
15/6-22/6
  • 15/6-22/6
  • 5 total stops
  • 58h 10m total
  • London to Porto Alegre
10/6
  • 10/6
  • 3 total stops
  • 42h 05m total
  • London to Porto Alegre
Highest demand for flights based on searches. 14% potential increase in price (£171 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£35 potential savings vs. average return price).
Average for return flights in May 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 21 May 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

Mon 15/6

22:05-22:45

2 stops28h 40m

Porto Alegre Salgado Filho

Mon 22/6

12:20-21:35

2 stops29h 15m

£802

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 17/6

21:20-14:15

1 stop20h 55m

Porto Alegre Salgado Filho

Wed 24/6

06:00-21:35

2 stops35h 35m

£892

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Fri 5/6

06:05-00:20

3 stops22h 15m

Porto Alegre Salgado Filho

Sat 20/6

18:30-09:00

2 stops34h 30m

£898

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Mon 22/6

22:05-22:45

2 stops28h 40m

Porto Alegre Salgado Filho

Mon 13/7

14:00-15:05

1 stop21h 05m

£1,004

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Tue 29/9

10:00-14:20

2 stops32h 20m

Porto Alegre Salgado Filho

Sun 25/10

08:25-09:00

2 stops21h 35m

£1,053

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Mon 15/6

18:30-08:45

2 stops18h 15m

Porto Alegre Salgado Filho

Mon 22/6

14:00-17:55

2 stops23h 55m

£1,062

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 29/9

10:00-14:20

2 stops32h 20m

Porto Alegre Salgado Filho

Tue 27/10

17:10-06:20

2 stops34h 10m

£1,076

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 1/10

16:40-09:55

2 stops45h 15m

Porto Alegre Salgado Filho

Thu 29/10

14:05-06:40

2 stops37h 35m

£1,076

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 30/9

08:00-14:35

2 stops34h 35m

Porto Alegre Salgado Filho

Tue 27/10

17:10-06:40

2 stops34h 30m

£1,076

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Wed 17/6

09:20-23:40

2 stops18h 20m

Porto Alegre Salgado Filho

Wed 24/6

16:20-16:40

2 stops20h 20m

£1,080

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 51 resultsSorted by cheapest first
1
2
3
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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 13 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).

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 70 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 21 May 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.

Food

6.9

Entertainment

7.5

Overall

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Food

6.9

Entertainment

7.5

Overall

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Food

6.9

Entertainment

7.5

Overall

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Food

6.9

Entertainment

7.5

Overall

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

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.

  • How much is a return flight to Porto Alegre?

    A return flight to Porto Alegre will typically cost around £699, however they can be found for as little as £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 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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