£550+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
8 Jun — 15 Jun1
1 adult
1 adult, Economy, 0 bags

Flights to Porto Alegre in 2026

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 9 May 2026.

Tue 19/508:00
LHR
-
POA
1 stop17h 45m
TAP AIR PORTUGAL
Sat 6/601:40
POA
-
LHR
1 stop28h 40m
TAP AIR PORTUGAL
Deal found 6/5£816
Tue 19/521:20
LHR
-
POA
1 stop23h 40m
LATAM Airlines
Sun 7/613:40
POA
-
LHR
2 stops21h 25m
LATAM Airlines
Deal found 7/5£821
Fri 5/622:05
LHR
-
POA
2 stops28h 40m
Multiple Airlines
Sun 21/606:00
POA
-
LHR
2 stops30h 15m
Multiple Airlines
Deal found 8/5£853
Sun 15/1120:15
LHR
-
POA
1 stop16h 00m
LATAM Airlines
Sun 29/1119:05
POA
-
LHR
2 stops40h 00m
LATAM Airlines
Deal found 7/5£871
Fri 5/606:05
LGW
-
POA
3 stops22h 15m
Multiple Airlines
Sun 21/605:30
POA
-
LGW
2 stops23h 30m
Multiple Airlines
Deal found 8/5£880
Wed 25/1120:15
LHR
-
POA
2 stops21h 30m
LATAM Airlines
Sun 29/1115:00
POA
-
LHR
2 stops20h 05m
LATAM Airlines
Deal found 7/5£885
Sun 15/1110:05
LGW
-
POA
2 stops27h 35m
Multiple Airlines
Sun 29/1111:15
POA
-
LGW
2 stops25h 55m
Multiple Airlines
Deal found 7/5£893
Fri 5/606:05
LGW
-
POA
3 stops22h 15m
Multiple Airlines
Sat 20/605:30
POA
-
LGW
2 stops23h 30m
Multiple Airlines
Deal found 8/5£919
Wed 25/1106:25
LGW
-
POA
2 stops29h 50m
Turkish Airlines
Sun 29/1111:15
POA
-
LGW
2 stops42h 55m
Turkish Airlines
Deal found 6/5£966
Fri 5/620:15
LCY
-
POA
2 stops42h 20m
KLM
Sun 21/616:15
POA
-
LCY
2 stops20h 25m
KLM
Deal found 8/5£1,025
Wed 25/1116:35
LGW
-
POA
1 stop29h 45m
TAP AIR PORTUGAL
Sun 29/1106:00
POA
-
LGW
2 stops48h 50m
TAP AIR PORTUGAL
Deal found 7/5£1,034
Tue 19/517:25
LGW
-
POA
2 stops20h 50m
Air Europa
Sun 7/606:00
POA
-
LGW
2 stops30h 25m
Air Europa
Deal found 5/5£1,036

Find flight deals to Porto Alegre

Find the latest flights to Porto Alegre in 2026, 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 9 May 2026.

Return from

£816

One-way from

£550

Popular in

July

Cheapest in

May

Average price

£762
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 19/5-6/6
  • 2 total stops
  • 46h 25m total
  • London to Porto Alegre
LATAM Airlines
  • LATAM Airlines
  • 12/6
  • 1 total stop
  • 21h 30m total
  • London to Porto Alegre
Highest demand for flights based on searches. 14% potential increase in price (£167 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£34 potential savings vs. average return price).
Average for return flights in May 2026

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 9 May 2026.
Use the filters below to find and compare flights to Porto Alegre that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 5/6

22:05-22:45

2 stops28h 40m

Porto Alegre Salgado Filho

Sun 21/6

12:00-15:05

1 stop23h 05m

£880

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Fri 5/6

06:05-22:10

2 stops20h 05m

Porto Alegre Salgado Filho

Sat 20/6

09:30-09:00

2 stops19h 30m

£977

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Tue 19/5

17:25-10:15

2 stops20h 50m

Porto Alegre Salgado Filho

Sun 7/6

06:00-16:25

2 stops30h 25m

£1,036

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 19/5

08:40-23:45

2 stops19h 05m

Porto Alegre Salgado Filho

Sun 7/6

16:15-16:15

2 stops20h 00m

£1,044

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Sun 21/6

20:15-10:40

2 stops42h 25m

Porto Alegre Salgado Filho

Sun 28/6

15:30-17:20

2 stops21h 50m

£1,073

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 21/5

08:40-23:45

2 stops19h 05m

Porto Alegre Salgado Filho

Sun 7/6

18:30-19:25

2 stops20h 55m

£1,110

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sun 30/8

18:35-09:15

2 stops18h 40m

Porto Alegre Salgado Filho

Fri 4/9

14:20-17:50

2 stops23h 30m

£1,113

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Wed 3/6

17:25-21:05

2 stops31h 40m

Porto Alegre Salgado Filho

Sat 13/6

05:30-09:00

2 stops23h 30m

£1,123

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Fri 5/6

17:25-15:35

2 stops26h 10m

Porto Alegre Salgado Filho

Fri 12/6

06:00-09:00

2 stops23h 00m

£1,134

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 5/6

21:20-19:05

1 stop25h 45m

Porto Alegre Salgado Filho

Sun 21/6

19:50-15:05

1 stop15h 15m

£1,138

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 49 resultsSorted by cheapest first
1
2
3
...
5

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?

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 70 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 21 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, LATAM Airlines and Virgin Atlantic.

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 9 May 2026.
Read reviews from past customers who have flown LATAM Airlines,Virgin Atlantic, 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.

Comfort

7.3

Overall

7.4

Boarding

7.5

Food

6.7

Entertainment

7.0

Crew

8.0

Reviews

1 / 20
6.0
Good

Juan,Apr 2026

BOG - CLO

Very old aircraft and it was very dirty in the seats and floor

Comfort

7.3

Overall

7.4

Boarding

7.5

Food

6.7

Entertainment

7.0

Crew

8.0

Reviews

1 / 20
6.0
Good

Juan,Apr 2026

BOG - CLO

Very old aircraft and it was very dirty in the seats and floor

Comfort

7.3

Overall

7.4

Boarding

7.5

Food

6.7

Entertainment

7.0

Crew

8.0

Reviews

1 / 20
6.0
Good

Juan,Apr 2026

BOG - CLO

Very old aircraft and it was very dirty in the seats and floor

Comfort

7.3

Overall

7.4

Boarding

7.5

Food

6.7

Entertainment

7.0

Crew

8.0

Reviews

1 / 20
6.0
Good

Juan,Apr 2026

BOG - CLO

Very old aircraft and it was very dirty in the seats and floor

Comfort

7.3

Overall

7.4

Boarding

7.5

Food

6.7

Entertainment

7.0

Crew

8.0

Reviews

1 / 20
6.0
Good

Juan,Apr 2026

BOG - CLO

Very old aircraft and it was very dirty in the seats and floor

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 £61, while return flights cost around £670.

  • How much is a return flight to Porto Alegre?

    A return flight to Porto Alegre will typically cost around £688, however they can be found for as little as £670.

  • 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 (17 hours 45 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Find the best flight deals to Porto Alegre

Some of the lowest fares we’ve come across for flights to Porto Alegre.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Porto Alegre?

Cheapflights makes it easy to find Porto Alegre flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets to Porto Alegre?

Millions of users choose and trust Cheapflights to book the best flight deals to Porto Alegre for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights to Porto Alegre with no change fees?

Yes! Cheapflights helps users easily find flights to Porto Alegre with no change fees.

Can Cheapflights notify me if prices for flights to Porto Alegre become cheaper?

Yes! Start tracking prices for Porto Alegre flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.