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£467+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
14 Dec — 21 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 14 November 2025.

Sat 15/1111:30LCY - POA
2 stops28h 00mMultiple Airlines
Sat 29/1113:40POA - LCY
2 stops42h 15mMultiple Airlines
Deal found 12/11£1,198
Sat 15/1112:25LHR - POA
2 stops22h 15mTAP AIR PORTUGAL
Sat 29/1121:10POA - LHR
1 stop15h 20mTAP AIR PORTUGAL
Deal found 11/11£1,213
Sat 15/1106:30LHR - POA
2 stops20h 25mKLM
Sat 29/1117:35POA - LHR
2 stops20h 25mKLM
Deal found 11/11£1,245
Sat 15/1116:35LGW - POA
2 stops45h 30mTAP AIR PORTUGAL
Sat 29/1121:10POA - LGW
1 stop33h 40mTAP AIR PORTUGAL
Deal found 12/11£1,274
Sat 15/1109:10LHR - POA
2 stops18h 30mLATAM Airlines
Fri 28/1104:40POA - LHR
1 stop30h 25mLATAM Airlines
Deal found 11/11£1,278
Fri 12/1208:25LCY - POA
2 stops41h 40mITA Airways
Fri 23/109:35POA - LCY
2 stops22h 20mITA Airways
Deal found 12/11£1,287
Mon 15/1208:25LCY - POA
2 stops28h 45mITA Airways
Mon 12/109:35POA - LCY
2 stops27h 35mITA Airways
Deal found 13/11£1,370
Fri 12/1206:30LHR - POA
2 stops20h 00mMultiple Airlines
Fri 23/106:00POA - LHR
2 stops23h 00mMultiple Airlines
Deal found 12/11£1,393
Sat 15/1120:15LHR - POA
1 stop16h 00mVirgin Atlantic
Sat 29/1120:10POA - LHR
1 stop14h 55mVirgin Atlantic
Deal found 11/11£1,424
Mon 15/1217:00LHR - POA
2 stops27h 45mAmerican Airlines
Mon 12/118:25POA - LHR
2 stops38h 55mAmerican Airlines
Deal found 11/11£1,450
Mon 15/1211:25LHR - POA
2 stops24h 10mMultiple Airlines
Tue 13/118:15POA - LHR
1 stop16h 50mMultiple Airlines
Deal found 12/11£1,451
Tue 16/1208:25LCY - POA
2 stops41h 20mITA Airways
Tue 13/109:35POA - LCY
2 stops27h 35mITA Airways
Deal found 12/11£1,471

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 14 November 2025.

Return from

£837

One-way from

£467

Popular in

July

Cheapest in

May

Average price

£1,109
25/1-26/2
  • 25/1-26/2
  • 6 total stops
  • 51h 35m total
  • London to Porto Alegre
Search Deals
6/12
  • 6/12
  • 3 total stops
  • 54h 00m total
  • London to Porto Alegre
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£183 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 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 14 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 25/1

21:40-00:10

3 stops29h 30m

Porto Alegre Salgado Filho

Thu 26/2

20:55-22:00

3 stops22h 05m

£837

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 19/3

16:30-11:35

2 stops22h 05m

Porto Alegre Salgado Filho

Mon 23/3

12:30-10:45

2 stops19h 15m

£859

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 29/4

18:40-09:20

2 stops18h 40m

Porto Alegre Salgado Filho

Fri 22/5

14:35-12:40

2 stops18h 05m

£866

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 3/2

20:15-09:15

1 stop16h 00m

Porto Alegre Salgado Filho

Mon 9/2

04:45-14:05

1 stop30h 20m

£869

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 22/4

22:35-10:35

2 stops40h 00m

Porto Alegre Salgado Filho

Wed 13/5

18:35-09:35

2 stops35h 00m

£873

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Thu 19/3

09:40-11:35

2 stops28h 55m

Porto Alegre Salgado Filho

Mon 23/3

17:55-17:35

2 stops44h 40m

£879

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Tue 3/2

17:40-20:00

2 stops29h 20m

Porto Alegre Salgado Filho

Tue 10/2

14:55-08:40

2 stops38h 45m

£882

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 24/4

11:10-09:20

2 stops26h 10m

Porto Alegre Salgado Filho

Mon 18/5

18:35-22:25

2 stops47h 50m

£893

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Wed 11/3

16:35-17:55

1 stop28h 20m

Porto Alegre Salgado Filho

Tue 28/4

16:50-15:35

2 stops18h 45m

£902

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 30/4

08:00-20:25

1 stop16h 25m

Porto Alegre Salgado Filho

Sat 23/5

01:40-10:20

1 stop28h 40m

£908

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 57 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 7 November 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 20 hours 16 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 £719
TAP AIR PORTUGAL
TAP AIR PORTUGAL
From £559
Virgin Atlantic
Virgin Atlantic
From £898
Lufthansa
Lufthansa
From £601

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 14 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
1,411 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

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
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

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
1,876 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

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
673 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

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
2,059 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

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
7,572 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

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 £176, 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 £115, 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 (16 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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