£461+ 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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 September 2025.

Return from

£707

One-way from

£461

Popular in

July

Cheapest in

October

Average price

£790
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 13/11-29/11
  • 2 total stops
  • 35h 05m total
  • London to Porto Alegre
31/10
  • 31/10
  • 3 total stops
  • 36h 55m total
  • London to Porto Alegre
Highest demand for flights based on searches. 22% potential increase in price (£187 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).
Average for return flights in September 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 15 September 2025.

Thu 18/906:30LHR - POA
2 stops22h 00mMultiple Airlines
Thu 16/1011:05POA - LHR
2 stops22h 40mMultiple Airlines
Deal found 14/9£654
Thu 13/1106:00LHR - POA
1 stop16h 20mTAP AIR PORTUGAL
Sat 29/1121:10POA - LHR
1 stop18h 45mTAP AIR PORTUGAL
Deal found 14/9£707
Tue 16/906:00LHR - POA
1 stop19h 45mTAP AIR PORTUGAL
Thu 16/1021:55POA - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 14/9£753
Wed 17/918:45LHR - POA
1 stop29h 40mTAP AIR PORTUGAL
Sat 27/901:40POA - LHR
1 stop31h 05mTAP AIR PORTUGAL
Deal found 13/9£758
Mon 15/908:40LHR - POA
2 stops19h 50mMultiple Airlines
Tue 14/1013:55POA - LHR
2 stops19h 50mMultiple Airlines
Deal found 14/9£761
Fri 14/1119:25LHR - POA
2 stops31h 00mMultiple Airlines
Sun 30/1110:25POA - LHR
2 stops24h 20mMultiple Airlines
Deal found 14/9£779
Thu 18/921:20LHR - POA
1 stop20h 30mLATAM Airlines
Fri 17/1014:45POA - LHR
1 stop20h 20mLATAM Airlines
Deal found 14/9£781
Fri 19/909:00LHR - POA
2 stops19h 55mAir France
Thu 16/1011:05POA - LHR
2 stops19h 25mAir France
Deal found 14/9£804
Wed 29/1016:45LCY - POA
2 stops33h 00mMultiple Airlines
Wed 5/1115:25POA - LCY
2 stops21h 45mMultiple Airlines
Deal found 14/9£809
Sat 8/1106:00LHR - POA
1 stop16h 40mTAP AIR PORTUGAL
Sat 22/1121:10POA - LHR
1 stop22h 30mTAP AIR PORTUGAL
Deal found 13/9£823
Fri 14/1116:40LGW - POA
1 stop30h 00mTAP AIR PORTUGAL
Sat 29/1121:10POA - LGW
1 stop33h 40mTAP AIR PORTUGAL
Deal found 14/9£826
Thu 18/908:40LHR - POA
2 stops19h 50mKLM
Fri 17/1017:45POA - LHR
2 stops23h 10mKLM
Deal found 14/9£830

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 September 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

LCY - POA

LCYPOA

London City

Wed 29/10

16:45-22:45

2 stops33h 00m

Porto Alegre Salgado Filho

Wed 5/11

15:25-16:10

2 stops21h 45m

£809

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 14/11

19:55-19:40

1 stop26h 45m

Porto Alegre Salgado Filho

Sat 29/11

21:10-15:30

1 stop15h 20m

£823

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sat 8/11

06:00-19:40

1 stop16h 40m

Porto Alegre Salgado Filho

Sat 22/11

21:10-22:40

1 stop22h 30m

£823

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Wed 29/10

14:35-19:20

2 stops31h 45m

Porto Alegre Salgado Filho

Wed 5/11

15:15-15:05

2 stops20h 50m

£843

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Tue 28/10

10:40-07:50

2 stops24h 10m

Porto Alegre Salgado Filho

Tue 4/11

15:15-18:05

2 stops23h 50m

£875

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Fri 14/11

08:25-22:45

2 stops41h 20m

Porto Alegre Salgado Filho

Sun 30/11

20:55-16:10

2 stops40h 15m

£875

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 29/10

06:30-23:30

2 stops20h 00m

Porto Alegre Salgado Filho

Wed 5/11

17:45-13:50

2 stops17h 05m

£889

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Fri 14/11

21:45-23:25

2 stops28h 40m

Porto Alegre Salgado Filho

Sun 30/11

20:10-19:00

2 stops19h 50m

£894

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 28/10

20:15-17:05

1 stop23h 50m

Porto Alegre Salgado Filho

Tue 4/11

10:05-14:05

1 stop25h 00m

£898

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Tue 28/10

21:20-19:20

2 stops49h 00m

Porto Alegre Salgado Filho

Tue 4/11

21:10-15:45

1 stop15h 35m

£900

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 46 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 12 September 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 19 hours 53 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 15 September 2025.
Read reviews from past customers who have flown KLM, LATAM Airlines, andTAP AIR PORTUGAL to Brazil. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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.

  • 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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