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£636+ 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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
27 Dec — 3 Jan1
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 27 November 2025.

Thu 25/1216:30LHR - POA
2 stops33h 35mMultiple Airlines
Tue 20/120:10POA - LHR
1 stop14h 55mMultiple Airlines
Deal found 26/11£1,108
Thu 25/1216:30LHR - POA
2 stops33h 35mMultiple Airlines
Wed 21/115:25POA - LHR
1 stop19h 40mMultiple Airlines
Deal found 26/11£1,129
Fri 26/1219:55LHR - POA
2 stops31h 00mMultiple Airlines
Tue 20/120:10POA - LHR
1 stop14h 55mMultiple Airlines
Deal found 26/11£1,135
Fri 26/1219:55LHR - POA
2 stops31h 00mMultiple Airlines
Wed 21/115:25POA - LHR
1 stop19h 40mMultiple Airlines
Deal found 26/11£1,155
Sat 27/1217:25LGW - POA
2 stops26h 05mAir Europa
Wed 21/106:05POA - LGW
2 stops23h 55mAir Europa
Deal found 26/11£1,158
Wed 24/1216:35LGW - POA
1 stop29h 45mTAP AIR PORTUGAL
Mon 19/111:00POA - LGW
2 stops25h 45mTAP AIR PORTUGAL
Deal found 26/11£1,159
Thu 25/1210:10LGW - POA
2 stops31h 35mTAP AIR PORTUGAL
Sun 18/111:00POA - LGW
2 stops25h 45mTAP AIR PORTUGAL
Deal found 26/11£1,167
Wed 24/1220:15LHR - POA
1 stop23h 50mLATAM Airlines
Sat 17/104:40POA - LHR
1 stop30h 25mLATAM Airlines
Deal found 26/11£1,182
Sat 27/1217:25LGW - POA
2 stops26h 05mAir Europa
Tue 20/109:35POA - LGW
2 stops27h 50mAir Europa
Deal found 26/11£1,188
Wed 24/1217:25LHR - POA
2 stops18h 50mMultiple Airlines
Sun 18/112:45POA - LHR
2 stops26h 35mMultiple Airlines
Deal found 26/11£1,201
Wed 24/1217:25LGW - POA
2 stops27h 25mAir Europa
Wed 21/106:05POA - LGW
2 stops23h 55mAir Europa
Deal found 26/11£1,203
Wed 24/1218:30LHR - POA
1 stop27h 50mTAP AIR PORTUGAL
Sun 18/111:00POA - LHR
2 stops22h 40mTAP AIR PORTUGAL
Deal found 26/11£1,203

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 27 November 2025.

Return from

£818

One-way from

£636

Popular in

July

Cheapest in

May

Average price

£1,106
Air Europa
  • Air Europa
  • 5/3-20/3
  • 4 total stops
  • 46h 55m total
  • London to Porto Alegre
Search Deals
Air Canada
  • Air Canada
  • 24/1
  • 2 total stops
  • 33h 30m 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 27 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

Tue 3/3

17:05-10:55

2 stops44h 50m

Porto Alegre Salgado Filho

Wed 18/3

17:55-09:20

2 stops60h 25m

£823

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Mon 2/3

10:00-16:30

2 stops33h 30m

Porto Alegre Salgado Filho

Thu 19/3

10:30-09:00

2 stops19h 30m

£833

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 3/2

22:35-22:55

2 stops27h 20m

Porto Alegre Salgado Filho

Tue 10/2

11:40-16:10

2 stops25h 30m

£841

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sun 8/3

17:25-11:00

2 stops20h 35m

Porto Alegre Salgado Filho

Sat 21/3

06:10-16:25

2 stops31h 15m

£848

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sat 7/3

10:00-15:25

2 stops32h 25m

Porto Alegre Salgado Filho

Wed 18/3

10:30-09:00

2 stops19h 30m

£848

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Wed 4/3

17:25-16:30

2 stops26h 05m

Porto Alegre Salgado Filho

Sat 21/3

05:30-16:25

2 stops31h 55m

£848

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Thu 5/3

09:40-11:35

2 stops28h 55m

Porto Alegre Salgado Filho

Mon 9/3

14:55-17:40

2 stops23h 45m

£849

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sun 18/1

22:35-00:45

2 stops29h 10m

Porto Alegre Salgado Filho

Wed 18/2

11:40-16:10

2 stops25h 30m

£857

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 23/1

20:15-17:05

1 stop23h 50m

Porto Alegre Salgado Filho

Wed 4/2

04:40-14:05

1 stop30h 25m

£862

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sat 7/3

10:00-10:35

2 stops27h 35m

Porto Alegre Salgado Filho

Mon 23/3

06:00-09:00

2 stops24h 00m

£864

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 48 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 21 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 6 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 Virgin Atlantic.

LATAM Airlines
LATAM Airlines
From £717
TAP AIR PORTUGAL
TAP AIR PORTUGAL
From £558
Virgin Atlantic
Virgin Atlantic
From £896
Lufthansa
Lufthansa
From £600

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 27 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
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.2

Entertainment

7.1

Boarding

7.8

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
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.2

Entertainment

7.1

Boarding

7.8

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
1,886 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.2

Entertainment

7.1

Boarding

7.8

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
675 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.2

Entertainment

7.1

Boarding

7.8

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
2,075 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.2

Entertainment

7.1

Boarding

7.8

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
7,594 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.2

Entertainment

7.1

Boarding

7.8

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 £35, 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 (18 hours 50 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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