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£456+ 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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
4 Jan — 11 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 5 December 2025.

Mon 15/1220:15LHR - POA
2 stops23h 35mLATAM Airlines
Mon 12/120:15POA - LHR
1 stop14h 50mLATAM Airlines
Deal found 3/12£1,006
Tue 23/1219:05LCY - POA
3 stops32h 35mMultiple Airlines
Sun 11/110:40POA - LCY
2 stops26h 30mMultiple Airlines
Deal found 3/12£1,265
Fri 26/1221:45LGW - POA
2 stops29h 10mMultiple Airlines
Fri 9/111:05POA - LGW
2 stops24h 45mMultiple Airlines
Deal found 2/12£1,291
Wed 17/1209:50LGW - POA
3 stops40h 25mMultiple Airlines
Sun 11/106:40POA - LGW
3 stops30h 10mMultiple Airlines
Deal found 2/12£1,332
Wed 31/1217:30LHR - POA
2 stops22h 40mMultiple Airlines
Wed 7/108:25POA - LHR
3 stops28h 25mMultiple Airlines
Deal found 3/12£1,333
Wed 24/1218:30LHR - POA
2 stops32h 25mMultiple Airlines
Sat 10/120:10POA - LHR
2 stops44h 40mMultiple Airlines
Deal found 3/12£1,350
Tue 16/1208:25LCY - POA
2 stops38h 45mITA Airways
Thu 15/105:30POA - LCY
2 stops31h 40mITA Airways
Deal found 3/12£1,356
Tue 23/1206:45LGW - POA
3 stops44h 55mMultiple Airlines
Fri 9/112:20POA - LGW
2 stops28h 05mMultiple Airlines
Deal found 2/12£1,363
Tue 23/1206:45LGW - POA
3 stops44h 55mMultiple Airlines
Sun 11/105:50POA - LGW
3 stops31h 00mMultiple Airlines
Deal found 3/12£1,364
Fri 12/1208:25LCY - POA
2 stops38h 45mITA Airways
Thu 15/105:30POA - LCY
2 stops31h 40mITA Airways
Deal found 3/12£1,381
Wed 31/1209:20LCY - POA
3 stops30h 50mMultiple Airlines
Wed 7/108:25POA - LCY
3 stops30h 15mMultiple Airlines
Deal found 3/12£1,388
Wed 24/1220:15LHR - POA
1 stop23h 50mLATAM Airlines
Sat 10/120:10POA - LHR
2 stops44h 40mLATAM Airlines
Deal found 3/12£1,402

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 5 December 2025.

Return from

£820

Popular in

July

Cheapest in

May

Average price

£1,256
15/1-28/3
  • 15/1-28/3
  • 4 total stops
  • 59h 55m total
  • London to Porto Alegre
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£180 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 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 5 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

LHR - POA

LHRPOA

London Heathrow

Tue 3/3

20:05-11:35

2 stops42h 30m

Porto Alegre Salgado Filho

Tue 24/3

14:50-16:40

3 stops22h 50m

£821

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Mon 6/4

16:25-21:45

1 stop33h 20m

Porto Alegre Salgado Filho

Tue 21/4

00:15-09:45

1 stop29h 30m

£835

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 4/3

18:30-17:55

1 stop26h 25m

Porto Alegre Salgado Filho

Thu 9/4

11:00-11:00

2 stops20h 00m

£838

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Tue 3/3

18:15-13:15

2 stops22h 00m

Porto Alegre Salgado Filho

Tue 24/3

14:50-12:55

2 stops19h 05m

£863

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sat 14/3

10:00-15:25

2 stops32h 25m

Porto Alegre Salgado Filho

Wed 18/3

10:30-16:25

2 stops26h 55m

£884

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Mon 6/4

19:50-21:45

1 stop29h 55m

Porto Alegre Salgado Filho

Tue 21/4

00:15-10:20

1 stop30h 05m

£890

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 23/4

08:00-20:25

1 stop16h 25m

Porto Alegre Salgado Filho

Thu 7/5

21:55-17:45

1 stop15h 50m

£897

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Mon 2/3

17:25-16:30

2 stops26h 05m

Porto Alegre Salgado Filho

Thu 19/3

05:30-09:00

2 stops24h 30m

£903

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Mon 2/3

16:35-19:40

1 stop30h 05m

Porto Alegre Salgado Filho

Thu 19/3

15:30-15:50

2 stops21h 20m

£915

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Wed 4/3

16:35-17:55

1 stop28h 20m

Porto Alegre Salgado Filho

Thu 9/4

21:55-09:45

1 stop31h 50m

£917

Flights are sorted by cheapest return flights first.

Deals found on 5/12

Showing 1-10 of 33 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 28 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 18 hours 5 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 £709
TAP AIR PORTUGAL
TAP AIR PORTUGAL
From £552
Virgin Atlantic
Virgin Atlantic
From £886
Lufthansa
Lufthansa
From £593

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 5 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
1,430 reviews
Check prices

Food

7.2

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

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
1,430 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Food

7.2

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

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
1,890 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Food

7.2

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

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
675 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Food

7.2

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

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
7.1
Good
2,081 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Food

7.2

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

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
7,613 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Food

7.2

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

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 £35, 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 £114, 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 40 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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