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£678+ 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 23/12. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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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 7 November 2025.

Tue 11/1117:00LHR - POA
2 stops27h 05mAmerican Airlines
Tue 3/317:55POA - LHR
2 stops25h 15mAmerican Airlines
Deal found 5/11£952
Tue 18/1118:30LHR - POA
2 stops21h 45mLufthansa
Thu 12/212:30POA - LHR
2 stops18h 15mLufthansa
Deal found 5/11£964
Wed 31/1206:35LHR - POA
2 stops21h 05mMultiple Airlines
Fri 23/114:50POA - LHR
2 stops23h 15mMultiple Airlines
Deal found 7/11£975
Wed 31/1220:15LHR - POA
2 stops47h 30mLATAM Airlines
Fri 23/114:50POA - LHR
1 stop20h 15mLATAM Airlines
Deal found 7/11£978
Tue 18/1108:25LCY - POA
2 stops38h 45mITA Airways
Thu 12/209:35POA - LCY
2 stops22h 20mITA Airways
Deal found 5/11£995
Wed 31/1218:55LGW - POA
2 stops22h 45mMultiple Airlines
Fri 23/114:50POA - LGW
2 stops22h 35mMultiple Airlines
Deal found 6/11£1,008
Tue 11/1108:25LCY - POA
2 stops38h 45mITA Airways
Thu 12/209:35POA - LCY
2 stops22h 20mITA Airways
Deal found 5/11£1,015
Fri 26/1206:50LGW - POA
2 stops19h 15mMultiple Airlines
Sun 18/121:00POA - LGW
2 stops33h 50mMultiple Airlines
Deal found 7/11£1,033
Wed 31/1217:25LGW - POA
2 stops24h 15mAir Europa
Fri 23/106:30POA - LGW
2 stops30h 55mAir Europa
Deal found 6/11£1,033
Tue 11/1108:25LCY - POA
2 stops38h 45mITA Airways
Tue 17/205:30POA - LCY
2 stops26h 25mITA Airways
Deal found 5/11£1,038
Tue 11/1115:35LHR - POA
2 stops28h 30mAmerican Airlines
Thu 12/218:00POA - LHR
2 stops25h 10mAmerican Airlines
Deal found 5/11£1,052
Sat 15/1107:10LGW - POA
2 stops20h 30mMultiple Airlines
Sat 29/1109:15POA - LGW
2 stops32h 25mMultiple Airlines
Deal found 6/11£1,078

Flights to Porto Alegre in 2025

Find the latest flights to Porto Alegre in 2025, 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 7 November 2025.

Return from

£826

One-way from

£678

Popular in

July

Cheapest in

November

Average price

£793
9/2-28/4
  • 9/2-28/4
  • 4 total stops
  • 51h 25m total
  • London to Porto Alegre
Search Deals
23/12
  • 23/12
  • 3 total stops
  • 42h 45m total
  • London to Porto Alegre
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£209 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 November 2025
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 7 November 2025.
Use the filters below to find and compare flights to Porto Alegre that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sun 1/3

17:25-14:20

2 stops23h 55m

Porto Alegre Salgado Filho

Thu 5/3

10:30-09:00

2 stops19h 30m

£857

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Tue 3/3

17:25-14:20

2 stops23h 55m

Porto Alegre Salgado Filho

Sat 7/3

11:15-16:25

2 stops26h 10m

£857

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 19/3

16:30-11:35

2 stops22h 05m

Porto Alegre Salgado Filho

Mon 23/3

12:30-12:50

2 stops21h 20m

£858

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Thu 19/3

09:40-00:25

2 stops41h 45m

Porto Alegre Salgado Filho

Mon 23/3

14:55-17:40

2 stops23h 45m

£876

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Thu 26/2

17:25-10:55

2 stops20h 30m

Porto Alegre Salgado Filho

Tue 10/3

10:30-09:00

2 stops19h 30m

£878

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Thu 26/2

17:25-10:55

2 stops20h 30m

Porto Alegre Salgado Filho

Sat 7/3

11:15-16:25

2 stops26h 10m

£878

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sat 28/2

13:45-11:35

2 stops24h 50m

Porto Alegre Salgado Filho

Mon 9/3

14:55-13:00

2 stops19h 05m

£880

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Mon 2/3

22:35-09:15

2 stops37h 40m

Porto Alegre Salgado Filho

Sun 8/3

10:20-21:05

2 stops31h 45m

£887

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Sun 1/3

19:20-11:35

2 stops19h 15m

Porto Alegre Salgado Filho

Mon 9/3

14:55-12:55

2 stops19h 00m

£898

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 27/2

19:30-11:35

3 stops43h 05m

Porto Alegre Salgado Filho

Mon 9/3

14:55-18:40

3 stops24h 45m

£936

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 46 results
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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

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 31 October 2025.

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 80 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 19 hours 23 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 Air France.

LATAM Airlines
LATAM Airlines
From £723
TAP AIR PORTUGAL
TAP AIR PORTUGAL
From £562
Virgin Atlantic
Virgin Atlantic
From £903
Lufthansa
Lufthansa
From £605

What are the cheapest airlines that fly to Porto Alegre?

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

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 7 November 2025.
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
1,405 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
LATAM Airlines
7.5
Good
1,872 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
672 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
TAP AIR PORTUGAL
7.1
Good
2,048 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,558 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 £177, while return flights cost around £73.

  • How much is a return flight to Porto Alegre?

    A return flight to Porto Alegre will typically cost around £116, however they can be found for as little as £73.

  • 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 0 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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