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£409+ 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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Porto Alegre in 2025

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 23 December 2025.

Fri 26/1220:15LHR - POA
1 stop20h 50mLATAM Airlines
Fri 9/110:00POA - LHR
1 stop25h 05mLATAM Airlines
Deal found 21/12£1,356
Wed 24/1216:35LGW - POA
1 stop29h 45mMultiple Airlines
Fri 9/100:50POA - LGW
2 stops30h 15mMultiple Airlines
Deal found 21/12£1,425
Wed 24/1218:30LHR - POA
1 stop27h 50mTAP AIR PORTUGAL
Sat 10/116:55POA - LHR
2 stops23h 00mTAP AIR PORTUGAL
Deal found 21/12£1,486
Wed 24/1220:25LHR - POA
2 stops30h 05mMultiple Airlines
Sat 10/120:10POA - LHR
2 stops38h 35mMultiple Airlines
Deal found 21/12£1,488
Tue 23/1220:25LHR - POA
2 stops43h 35mMultiple Airlines
Sat 10/120:10POA - LHR
2 stops38h 35mMultiple Airlines
Deal found 21/12£1,502
Fri 26/1217:05LHR - POA
2 stops34h 50mMultiple Airlines
Fri 9/119:20POA - LHR
2 stops18h 15mMultiple Airlines
Deal found 21/12£1,610
Wed 24/1216:35LGW - POA
1 stop29h 45mTAP AIR PORTUGAL
Sat 10/121:10POA - LGW
1 stop33h 40mTAP AIR PORTUGAL
Deal found 21/12£1,691
Mon 22/1220:25LHR - POA
2 stops44h 40mMultiple Airlines
Sat 10/120:10POA - LHR
2 stops38h 35mMultiple Airlines
Deal found 21/12£1,701
Tue 23/1220:25LHR - POA
2 stops43h 35mMultiple Airlines
Sat 3/119:30POA - LHR
2 stops42h 05mMultiple Airlines
Deal found 21/12£1,784
Wed 24/1216:45LCY - POA
2 stops24h 20mMultiple Airlines
Sat 10/111:00POA - LCY
2 stops26h 10mMultiple Airlines
Deal found 21/12£1,797
Tue 23/1220:15LGW - POA
3 stops31h 25mMultiple Airlines
Fri 9/100:50POA - LGW
2 stops30h 15mMultiple Airlines
Deal found 21/12£1,821
Mon 22/1220:40LGW - POA
3 stops31h 00mMultiple Airlines
Fri 9/100:50POA - LGW
2 stops30h 15mMultiple Airlines
Deal found 21/12£1,880

Find flight deals to Porto Alegre

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 23 December 2025.

Return from

£831

One-way from

£433

Popular in

July

Cheapest in

April

Average price

£1,238
31/3-19/4
  • 31/3-19/4
  • 4 total stops
  • 71h 45m total
  • London to Porto Alegre
Search Deals
15/1
  • 15/1
  • 3 total stops
  • 56h 25m total
  • London to Porto Alegre
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£201 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for return flights in December 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 23 December 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 24/3

12:45-09:05

3 stops23h 20m

Porto Alegre Salgado Filho

Tue 21/4

20:55-22:35

3 stops21h 40m

£829

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sat 16/5

17:25-10:35

2 stops21h 10m

Porto Alegre Salgado Filho

Tue 9/6

09:45-09:00

2 stops19h 15m

£853

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 24/2

11:30-11:00

2 stops26h 30m

Porto Alegre Salgado Filho

Sun 1/3

12:50-16:00

2 stops24h 10m

£853

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Wed 18/3

17:25-16:30

2 stops26h 05m

Porto Alegre Salgado Filho

Sun 22/3

05:30-16:25

2 stops31h 55m

£861

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sat 30/5

07:00-07:40

3 stops28h 40m

Porto Alegre Salgado Filho

Mon 1/6

17:10-15:35

2 stops18h 25m

£861

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 3/2

20:15-09:15

1 stop16h 00m

Porto Alegre Salgado Filho

Tue 10/2

20:10-14:05

1 stop14h 55m

£869

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Mon 2/3

17:25-16:30

2 stops26h 05m

Porto Alegre Salgado Filho

Thu 19/3

10:45-09:00

2 stops19h 15m

£879

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 24/2

20:15-08:45

1 stop15h 30m

Porto Alegre Salgado Filho

Sun 1/3

17:55-14:20

2 stops17h 25m

£887

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Mon 2/3

06:20-23:30

2 stops20h 10m

Porto Alegre Salgado Filho

Thu 19/3

13:40-17:00

2 stops24h 20m

£887

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Mon 23/3

18:40-11:35

2 stops19h 55m

Porto Alegre Salgado Filho

Mon 20/4

14:25-17:50

2 stops23h 25m

£890

Flights are sorted by cheapest return flights first.

Deals found on 23/12

Showing 1-10 of 53 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 19 December 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 18 hours 20 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 £704
TAP AIR PORTUGAL
TAP AIR PORTUGAL
From £549
Virgin Atlantic
Virgin Atlantic
From £880
Lufthansa
Lufthansa
From £589

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 23 December 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
1,434 reviews
Check prices

Boarding

7.7

Food

7.2

Comfort

7.6

Entertainment

7.1

Overall

7.7

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,434 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Boarding

7.7

Food

7.2

Comfort

7.6

Entertainment

7.1

Overall

7.7

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
LATAM Airlines
7.5
Good
1,894 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Boarding

7.7

Food

7.2

Comfort

7.6

Entertainment

7.1

Overall

7.7

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Virgin Atlantic
7.5
Good
677 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Boarding

7.7

Food

7.2

Comfort

7.6

Entertainment

7.1

Overall

7.7

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
TAP AIR PORTUGAL
7.2
Good
2,095 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Boarding

7.7

Food

7.2

Comfort

7.6

Entertainment

7.1

Overall

7.7

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,649 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Boarding

7.7

Food

7.2

Comfort

7.6

Entertainment

7.1

Overall

7.7

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 £33, while return flights cost around £72.

  • How much is a return flight to Porto Alegre?

    A return flight to Porto Alegre will typically cost around £113, however they can be found for as little as £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 (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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