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£474+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
14 Nov — 21 Nov1
1 adult
1 adult, Economy

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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 15 October 2025.

Tue 25/1106:20LHR - POA
2 stops28h 55mAir France
Tue 2/1206:00POA - LHR
2 stops22h 55mAir France
Deal found 13/10£671
Tue 25/1106:20LHR - POA
2 stops28h 55mMultiple Airlines
Wed 3/1213:40POA - LHR
2 stops21h 10mMultiple Airlines
Deal found 13/10£714
Thu 13/1116:40LCY - POA
3 stops33h 05mMultiple Airlines
Tue 25/1110:55POA - LCY
2 stops21h 00mMultiple Airlines
Deal found 12/10£715
Tue 25/1121:20LGW - POA
2 stops49h 00mTAP AIR PORTUGAL
Tue 2/1221:10POA - LGW
1 stop15h 35mTAP AIR PORTUGAL
Deal found 13/10£720
Wed 26/1116:35LGW - POA
1 stop29h 45mTAP AIR PORTUGAL
Tue 2/1221:10POA - LGW
1 stop15h 35mTAP AIR PORTUGAL
Deal found 13/10£721
Wed 26/1118:30LHR - POA
1 stop27h 50mTAP AIR PORTUGAL
Tue 2/1221:10POA - LHR
1 stop21h 25mTAP AIR PORTUGAL
Deal found 13/10£724
Tue 25/1106:20LHR - POA
2 stops28h 55mAir France
Mon 1/1213:40POA - LHR
2 stops23h 55mAir France
Deal found 13/10£726
Mon 24/1106:30LHR - POA
2 stops20h 00mMultiple Airlines
Wed 3/1219:20POA - LHR
2 stops18h 15mMultiple Airlines
Deal found 13/10£730
Tue 25/1106:00LHR - POA
1 stop16h 40mTAP AIR PORTUGAL
Tue 2/1221:10POA - LHR
1 stop21h 25mTAP AIR PORTUGAL
Deal found 13/10£739
Mon 24/1106:30LHR - POA
2 stops20h 00mKLM
Tue 2/1211:40POA - LHR
2 stops18h 20mKLM
Deal found 13/10£752
Wed 26/1106:30LHR - POA
2 stops20h 20mMultiple Airlines
Wed 3/1219:20POA - LHR
2 stops20h 00mMultiple Airlines
Deal found 13/10£763
Mon 24/1108:35LGW - POA
2 stops43h 10mMultiple Airlines
Thu 4/1200:45POA - LGW
1 stop36h 00mMultiple Airlines
Deal found 13/10£776

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 15 October 2025.

Return from

£670

One-way from

£474

Popular in

July

Cheapest in

May

Average price

£901
20/1-6/2
  • 20/1-6/2
  • 4 total stops
  • 61h 05m total
  • London to Porto Alegre
Search Deals
12/11
  • 12/11
  • 3 total stops
  • 44h 50m total
  • London to Porto Alegre
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£155 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for return flights in October 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 15 October 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

Tue 20/1

20:10-00:15

2 stops31h 05m

Porto Alegre Salgado Filho

Fri 6/2

09:10-18:10

2 stops30h 00m

£670

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Tue 20/1

20:10-00:15

2 stops31h 05m

Porto Alegre Salgado Filho

Thu 19/2

05:30-16:25

3 stops31h 55m

£785

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Thu 19/3

11:45-09:15

2 stops24h 30m

Porto Alegre Salgado Filho

Mon 23/3

12:40-13:50

2 stops22h 10m

£796

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 19/3

20:15-00:25

2 stops31h 10m

Porto Alegre Salgado Filho

Mon 23/3

12:30-08:45

2 stops17h 15m

£822

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Tue 25/11

07:45-00:45

2 stops20h 00m

Porto Alegre Salgado Filho

Wed 3/12

17:45-16:35

2 stops19h 50m

£828

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Mon 24/11

07:45-23:30

2 stops18h 45m

Porto Alegre Salgado Filho

Wed 3/12

17:45-16:35

2 stops19h 50m

£828

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 5/2

11:30-10:55

2 stops26h 25m

Porto Alegre Salgado Filho

Thu 12/2

11:40-14:45

2 stops24h 05m

£838

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Tue 11/11

21:20-23:55

2 stops29h 35m

Porto Alegre Salgado Filho

Tue 18/11

21:10-15:45

1 stop15h 35m

£866

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Wed 12/11

16:45-16:35

2 stops26h 50m

Porto Alegre Salgado Filho

Tue 25/11

11:40-10:55

2 stops20h 15m

£866

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Tue 11/11

16:45-22:45

2 stops33h 00m

Porto Alegre Salgado Filho

Tue 18/11

17:10-10:55

2 stops38h 45m

£880

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Showing 1-10 of 45 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 10 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 20 hours 3 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 £712
TAP AIR PORTUGAL
TAP AIR PORTUGAL
From £553
Lufthansa
Lufthansa
From £405
Virgin Atlantic
Virgin Atlantic
From £888

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 15 October 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
1,402 reviews
Check prices

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

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
1,402 reviews
KLM
7.7
Good
1,402 reviews
Check prices

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

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
1,865 reviews
KLM
7.7
Good
1,402 reviews
Check prices

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

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
7.4
Good
667 reviews
KLM
7.7
Good
1,402 reviews
Check prices

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

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
2,015 reviews
KLM
7.7
Good
1,402 reviews
Check prices

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

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.
Air Europa
7.0
Good
568 reviews
KLM
7.7
Good
1,402 reviews
Check prices

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

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, Lufthansa 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 £174, while return flights cost around £72.

  • 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 (19 hours 55 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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