£444+ 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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
4 Jul — 11 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 4 June 2026.

Sat 15/806:15
LHR
-
POA
2 stops32h 20m
Multiple Airlines
Sun 30/812:40
POA
-
LHR
2 stops26h 10m
Multiple Airlines
Deal found 2/6£1,195
Thu 6/805:35
LGW
-
POA
3 stops32h 10m
Multiple Airlines
Thu 20/809:00
POA
-
LGW
2 stops20h 45m
Multiple Airlines
Deal found 2/6£1,196
Wed 15/721:20
LHR
-
POA
1 stop15h 05m
LATAM Airlines
Wed 22/720:05
POA
-
LHR
1 stop15h 00m
LATAM Airlines
Deal found 31/5£1,198
Sun 28/621:20
LHR
-
POA
1 stop23h 40m
LATAM Airlines
Thu 2/709:45
POA
-
LHR
1 stop25h 20m
LATAM Airlines
Deal found 1/6£1,200
Fri 26/606:30
LHR
-
POA
2 stops21h 15m
Multiple Airlines
Thu 2/715:40
POA
-
LHR
2 stops18h 05m
Multiple Airlines
Deal found 1/6£1,202
Mon 1/621:20
LHR
-
POA
2 stops21h 25m
LATAM Airlines
Sun 30/814:25
POA
-
LHR
1 stop20h 40m
LATAM Airlines
Deal found 31/5£1,204
Sun 26/721:20
LHR
-
POA
1 stop23h 40m
LATAM Airlines
Sat 1/815:30
POA
-
LHR
2 stops19h 35m
LATAM Airlines
Deal found 1/6£1,204
Wed 8/710:00
LCY
-
POA
2 stops18h 40m
KLM
Wed 15/718:25
POA
-
LCY
2 stops18h 55m
KLM
Deal found 1/6£1,208
Tue 23/621:20
LHR
-
POA
1 stop26h 00m
LATAM Airlines
Thu 2/713:40
POA
-
LHR
2 stops21h 25m
LATAM Airlines
Deal found 1/6£1,208
Sat 15/818:45
LGW
-
POA
3 stops32h 40m
Multiple Airlines
Sun 30/807:05
POA
-
LGW
2 stops22h 40m
Multiple Airlines
Deal found 2/6£1,213
Mon 27/721:20
LHR
-
POA
1 stop15h 05m
LATAM Airlines
Sun 2/820:05
POA
-
LHR
1 stop15h 00m
LATAM Airlines
Deal found 1/6£1,213
Fri 25/1220:15
LHR
-
POA
1 stop22h 45m
LATAM Airlines
Thu 31/1220:05
POA
-
LHR
1 stop15h 00m
LATAM Airlines
Deal found 2/6£1,225

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 4 June 2026.

Return from

£1,195

One-way from

£444

Popular in

July

Cheapest in

May

Average price

£1,073
15/8-30/8
  • 15/8-30/8
  • 4 total stops
  • 58h 30m total
  • London to Porto Alegre
18/8
  • 18/8
  • 3 total stops
  • 31h 30m total
  • London to Porto Alegre
Highest demand for flights based on searches. 14% potential increase in price (£170 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 June 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 4 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
Fastest return journey

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 15/7

21:20-08:25

1 stop15h 05m

Porto Alegre Salgado Filho

Wed 22/7

20:05-15:05

1 stop15h 00m

£1,198

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 6/8

20:25-19:20

2 stops26h 55m

Porto Alegre Salgado Filho

Thu 20/8

06:40-15:05

1 stop28h 25m

£1,202

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Wed 8/7

10:00-00:40

2 stops18h 40m

Porto Alegre Salgado Filho

Wed 15/7

18:25-17:20

2 stops18h 55m

£1,208

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Wed 15/7

10:35-20:25

1 stop37h 50m

Porto Alegre Salgado Filho

Tue 21/7

00:15-09:45

1 stop29h 30m

£1,248

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Mon 22/6

17:25-10:40

2 stops21h 15m

Porto Alegre Salgado Filho

Thu 2/7

05:30-16:25

2 stops30h 55m

£1,265

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Thu 25/6

09:15-13:10

2 stops31h 55m

Porto Alegre Salgado Filho

Thu 2/7

14:20-17:55

2 stops23h 35m

£1,266

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 26/6

18:45-22:40

1 stop31h 55m

Porto Alegre Salgado Filho

Thu 2/7

05:15-11:00

2 stops25h 45m

£1,277

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Fri 23/10

17:25-09:20

2 stops19h 55m

Porto Alegre Salgado Filho

Thu 12/11

00:45-15:45

1 stop36h 00m

£1,281

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sat 15/8

21:30-23:25

3 stops29h 55m

Porto Alegre Salgado Filho

Sat 29/8

20:05-09:45

2 stops33h 40m

£1,292

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Sat 14/11

10:00-10:40

2 stops51h 40m

Porto Alegre Salgado Filho

Sat 5/12

14:50-17:20

2 stops23h 30m

£1,294

Flights are sorted by cheapest return flights first.

Deals found on 4/6

Showing 1-10 of 58 resultsSorted by cheapest first
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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 21 hours 55 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 71 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 4 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.

Boarding

7.7

Crew

8.1

Overall

7.5

Food

6.9

Comfort

7.3

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Boarding

7.7

Crew

8.1

Overall

7.5

Food

6.9

Comfort

7.3

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Boarding

7.7

Crew

8.1

Overall

7.5

Food

6.9

Comfort

7.3

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Boarding

7.7

Crew

8.1

Overall

7.5

Food

6.9

Comfort

7.3

Entertainment

7.5

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 £680.

  • 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 5 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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