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£416+ 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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
1 Jul — 8 Jul1
1 adult

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 26 June 2025.

Return from

£698

One-way from

£460

Popular in

July

Cheapest in

October

Average price

£1,023
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 17/9-16/10
  • 2 total stops
  • 45h 30m total
  • London to Porto Alegre
14/8
  • 14/8
  • 2 total stops
  • 29h 55m total
  • London to Porto Alegre
Highest demand for flights based on searches. 20% potential increase in price (£162 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£28 potential savings vs. average return price).
Average for return flights in June 2025

Find flight deals to Porto Alegre

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 26 June 2025.

Fri 14/1119:55LHR - POA
1 stop26h 45mTAP AIR PORTUGAL
Sat 29/1121:10POA - LHR
1 stop17h 20mTAP AIR PORTUGAL
Deal found 24/6£577
Fri 14/1116:40LGW - POA
1 stop30h 00mTAP AIR PORTUGAL
Sat 29/1121:10POA - LGW
1 stop33h 40mTAP AIR PORTUGAL
Deal found 24/6£619
Fri 14/1107:40LHR - POA
2 stops20h 00mLufthansa
Sat 29/1114:45POA - LHR
2 stops19h 05mLufthansa
Deal found 24/6£681
Wed 17/908:40LHR - POA
2 stops27h 25mKLM
Fri 17/1018:35POA - LHR
2 stops22h 20mKLM
Deal found 23/6£744
Wed 17/906:30LHR - POA
2 stops22h 25mMultiple Airlines
Thu 16/1013:35POA - LHR
2 stops23h 00mMultiple Airlines
Deal found 23/6£745
Thu 18/921:20LHR - POA
1 stop18h 10mLATAM Airlines
Fri 17/1015:50POA - LHR
2 stops19h 15mLATAM Airlines
Deal found 24/6£746
Thu 18/919:45LHR - POA
2 stops42h 40mAir France
Fri 17/1011:05POA - LHR
2 stops19h 25mAir France
Deal found 26/6£757
Wed 17/912:10LHR - POA
2 stops25h 10mSWISS
Tue 14/1015:15POA - LHR
2 stops21h 10mSWISS
Deal found 25/6£886
Mon 15/913:40LHR - POA
2 stops27h 45mAmerican Airlines
Sun 19/1018:35POA - LHR
2 stops34h 25mAmerican Airlines
Deal found 23/6£935
Tue 16/911:05LHR - POA
2 stops33h 45mUnited Airlines
Sun 19/1011:30POA - LHR
2 stops43h 10mUnited Airlines
Deal found 23/6£987
Fri 14/1108:25LCY - POA
2 stops41h 50mMultiple Airlines
Sat 29/1111:00POA - LCY
2 stops26h 10mMultiple Airlines
Deal found 24/6£988
Sat 9/806:00LGW - POA
3 stops32h 20mMultiple Airlines
Sat 16/817:40POA - LGW
3 stops36h 30mMultiple Airlines
Deal found 25/6£998

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 26 June 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

Fri 14/11

19:55-19:40

1 stop26h 45m

Porto Alegre Salgado Filho

Sat 29/11

21:10-17:30

1 stop17h 20m

£577

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Fri 14/11

16:40-19:40

1 stop30h 00m

Porto Alegre Salgado Filho

Sat 29/11

21:10-09:50

1 stop33h 40m

£619

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 14/11

07:40-00:40

2 stops20h 00m

Porto Alegre Salgado Filho

Sat 29/11

14:45-12:50

2 stops19h 05m

£681

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 17/9

08:40-08:05

2 stops27h 25m

Porto Alegre Salgado Filho

Fri 17/10

18:35-20:55

2 stops22h 20m

£744

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 17/9

06:30-00:55

2 stops22h 25m

Porto Alegre Salgado Filho

Thu 16/10

13:35-16:35

2 stops23h 00m

£745

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 18/9

21:20-11:30

1 stop18h 10m

Porto Alegre Salgado Filho

Fri 17/10

15:50-15:05

2 stops19h 15m

£746

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 18/9

19:45-10:25

2 stops42h 40m

Porto Alegre Salgado Filho

Fri 17/10

11:05-10:30

2 stops19h 25m

£757

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 17/9

12:10-09:20

2 stops25h 10m

Porto Alegre Salgado Filho

Tue 14/10

15:15-16:25

2 stops21h 10m

£886

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Mon 15/9

13:40-13:25

2 stops27h 45m

Porto Alegre Salgado Filho

Sun 19/10

18:35-09:00

2 stops34h 25m

£935

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 16/9

15:20-16:50

2 stops29h 30m

Porto Alegre Salgado Filho

Thu 16/10

17:35-10:40

2 stops37h 05m

£987

Flights are sorted by cheapest return flights first.

Deals found on 24/6

Showing 1-10 of 37 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 20 June 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 24 hours 25 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 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 26 June 2025.
Read reviews from past customers who have flown KLM, Air France, andSWISS to Brazil. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.2

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • Where does the fastest flight to Porto Alegre depart from?

    For those looking to save time traveling to Porto Alegre, Manchester offers the quickest one-way flight (18 hours 35 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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