Find flights
Airlines
Travel Guide

£298+ 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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
— POA
9 May — 16 May1
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 April 2026.

Sun 17/506:00
LHR
-
POA
2 stops21h 25m
Multiple Airlines
Tue 9/620:05
POA
-
LHR
1 stop15h 00m
Multiple Airlines
Deal found 7/4£753
Tue 19/522:05
LHR
-
POA
2 stops26h 00m
Multiple Airlines
Tue 9/618:25
POA
-
LHR
1 stop16h 40m
Multiple Airlines
Deal found 7/4£762
Tue 19/522:05
LHR
-
POA
2 stops24h 45m
Multiple Airlines
Wed 10/614:00
POA
-
LHR
1 stop21h 05m
Multiple Airlines
Deal found 7/4£765
Mon 18/521:20
LHR
-
POA
1 stop16h 00m
LATAM Airlines
Mon 8/620:05
POA
-
LHR
1 stop15h 00m
LATAM Airlines
Deal found 7/4£770
Tue 19/521:20
LHR
-
POA
1 stop16h 00m
LATAM Airlines
Sun 7/604:45
POA
-
LHR
1 stop30h 20m
LATAM Airlines
Deal found 6/4£771
Sun 17/521:20
LHR
-
POA
1 stop16h 00m
LATAM Airlines
Mon 8/615:30
POA
-
LHR
2 stops19h 35m
LATAM Airlines
Deal found 8/4£772
Mon 18/508:40
LHR
-
POA
2 stops19h 00m
Multiple Airlines
Tue 9/614:00
POA
-
LHR
2 stops19h 45m
Multiple Airlines
Deal found 9/4£785
Sat 16/506:15
LHR
-
POA
2 stops22h 25m
LATAM Airlines
Tue 9/617:50
POA
-
LHR
1 stop17h 15m
LATAM Airlines
Deal found 7/4£788
Sun 12/421:40
LGW
-
POA
3 stops30h 35m
Multiple Airlines
Tue 19/505:30
POA
-
LGW
3 stops37h 00m
Multiple Airlines
Deal found 6/4£798
Wed 11/1116:35
LGW
-
POA
1 stop29h 45m
TAP AIR PORTUGAL
Sat 21/1121:10
POA
-
LGW
2 stops20h 30m
TAP AIR PORTUGAL
Deal found 5/4£848
Tue 6/1006:10
LGW
-
POA
3 stops33h 05m
Multiple Airlines
Thu 15/1017:50
POA
-
LGW
2 stops18h 35m
Multiple Airlines
Deal found 7/4£878
Tue 19/520:10
LGW
-
POA
2 stops27h 50m
Multiple Airlines
Sat 6/601:40
POA
-
LGW
1 stop28h 05m
Multiple Airlines
Deal found 6/4£889

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 April 2026.

Return from

£753

One-way from

£298

Popular in

July

Cheapest in

May

Average price

£854
LATAM Airlines
  • LATAM Airlines
  • 17/5-9/6
  • 3 total stops
  • 36h 25m total
  • London to Porto Alegre
Search Deals
28/4
  • 28/4
  • 2 total stops
  • 29h 55m total
  • London to Porto Alegre
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£161 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 April 2026
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 9 April 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

Mon 4/5

18:45-21:45

1 stop31h 00m

Porto Alegre Salgado Filho

Thu 21/5

21:55-17:45

1 stop15h 50m

£910

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 5/6

21:20-13:10

2 stops19h 50m

Porto Alegre Salgado Filho

Tue 9/6

14:00-15:05

2 stops21h 05m

£979

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 20/5

19:50-20:25

1 stop28h 35m

Porto Alegre Salgado Filho

Wed 10/6

16:15-15:35

2 stops19h 20m

£987

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 3/6

21:20-17:00

1 stop23h 40m

Porto Alegre Salgado Filho

Sun 7/6

13:40-15:05

2 stops21h 25m

£1,017

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 19/5

08:40-23:45

2 stops19h 05m

Porto Alegre Salgado Filho

Fri 5/6

15:45-16:15

2 stops20h 30m

£1,039

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Wed 20/5

16:25-15:05

2 stops26h 40m

Porto Alegre Salgado Filho

Sat 6/6

01:40-09:45

1 stop28h 05m

£1,051

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Wed 20/5

09:20-23:45

2 stops18h 25m

Porto Alegre Salgado Filho

Sat 6/6

18:30-19:45

2 stops21h 15m

£1,056

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Tue 9/6

16:25-09:30

2 stops45h 05m

Porto Alegre Salgado Filho

Thu 11/6

21:55-09:45

1 stop31h 50m

£1,056

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Mon 7/9

10:35-22:25

1 stop15h 50m

Porto Alegre Salgado Filho

Sun 13/9

20:55-09:45

2 stops32h 50m

£1,079

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Tue 5/5

18:30-13:10

2 stops22h 40m

Porto Alegre Salgado Filho

Tue 12/5

14:20-12:35

2 stops18h 15m

£1,081

Flights are sorted by cheapest return flights first.

Deals found on 4/4

Showing 1-10 of 55 resultsSorted by cheapest first
1
2
3
...
6

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 3 April 2026.

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 73 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 48 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 £714
TAP AIR PORTUGAL
TAP AIR PORTUGAL
From £620
Virgin Atlantic
Virgin Atlantic
From £881
Lufthansa
Lufthansa
From £590

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 April 2026.
Read reviews from past customers who have flown KLM,Virgin Atlantic, andLATAM Airlines 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
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,492 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
685 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
LATAM Airlines
7.4
Good
1,909 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
TAP AIR PORTUGAL
7.1
Good
2,193 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,900 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 £56, while return flights cost around £681.

  • How much is a return flight to Porto Alegre?

    A return flight to Porto Alegre will typically cost around £699, however they can be found for as little as £681.

  • 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 55 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.
Flights from Lisbon 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.