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Cheap Flights from London to Porto Alegre

Compare London to Porto Alegre flight deals

Find the cheapest month or even day of the year to fly to Porto Alegre

Book the best Porto Alegre fare with no extra fees

Flight deals from London to Porto Alegre

Looking for a cheap last-minute deal or the best return flight from London to Porto Alegre? Find the lowest prices on one-way and return tickets right here.
Porto Alegre.R 7,262 per passenger.Departing Sun, 15 Mar.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Sun, 15 Mar, arriving in Porto Alegre.Price includes taxes and charges.From R 7,262, select.
Porto Alegre.R 7,366 per passenger.Departing Mon, 13 Apr.One-way flight with Wizz Air Malta.Outbound indirect flight with Wizz Air Malta, departs from London Luton on Mon, 13 Apr, arriving in Porto Alegre.Price includes taxes and charges.From R 7,366, select.
Porto Alegre.R 7,523 per passenger.Departing Wed, 13 May.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Wed, 13 May, arriving in Porto Alegre.Price includes taxes and charges.From R 7,523, select.
Porto Alegre.R 7,674 per passenger.Departing Mon, 23 Feb.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Mon, 23 Feb, arriving in Porto Alegre.Price includes taxes and charges.From R 7,674, select.
Porto Alegre.R 8,855 per passenger.Departing Tue, 27 Jan.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Tue, 27 Jan, arriving in Porto Alegre.Price includes taxes and charges.From R 8,855, select.
Porto Alegre.R 9,466 per passenger.Departing Tue, 20 Oct.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Tue, 20 Oct, arriving in Porto Alegre.Price includes taxes and charges.From R 9,466, select.
Porto Alegre.R 9,722 per passenger.Departing Sat, 5 Sep.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Sat, 5 Sep, arriving in Porto Alegre.Price includes taxes and charges.From R 9,722, select.
Porto Alegre.R 10,256 per passenger.Departing Tue, 23 Jun.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Tue, 23 Jun, arriving in Porto Alegre.Price includes taxes and charges.From R 10,256, select.

Find the cheapest month to fly from London to Porto Alegre

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Porto Alegre flights are currently cheapest in March.
Dec
from R 11,010
Jan
from R 8,855
Feb
from R 7,674
Mar
from R 7,262
Apr
from R 7,366
May
from R 7,523
Jun
from R 10,256
Jul
from R 12,449
Aug
from R 11,540
Sep
from R 9,722
Oct
from R 9,466
Nov
Find prices

London to Porto Alegre: Alternative routes

Compare routes from London to Porto Alegre below. You may find an airport to fly into that's cheaper, faster, or easier than Porto Alegre.

London to Porto Alegre: Flight information

The things to know before you go.
Cheapest flight foundR 7,262
Cheapest month to flyMarch

Finding cheap flights from London to Porto Alegre: Frequently asked questions

The best price we found for a return flight from London to Porto Alegre is R 14,801. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London to Porto Alegre. But we found flights with one stop from R 14,801.
As of December 2025, there are no flights flying from London to Porto Alegre.
The cheapest month to fly from London to Porto Alegre is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Porto Alegre Airport on Thursday, 26 February 2026.
No airlines currently offer direct flights between London and Porto Alegre Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto Alegre but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto Alegre is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Porto Alegre is Ryanair .

Travelling from London to Salgado Filho International Airport (POA): What you need to know

  • Take your pick of numerous airports when organising your flight from London to Salgado Filho International Airport (POA). Explore your options for jetting out of London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). London Luton Airport (LTN) and London City Airport (LCY) also service London.

  • Porto Alegre is three hours behind London. Salgado Filho International Airport is located in Porto Alegre, which operates on the UTC-3 timezone.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your flight from London to POA.

  • If you're heading away during a bank holiday or other peak period, allow extra time. Get there two hours ahead of domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

Airports in London

London Heathrow Airport (LHR)

  • Stopovers offer a great opportunity to discover a new place or just take a break during your travels. When looking for a cheap flight from London to POA, deselect 'Direct flights only' to browse all potential stops. Arturo Merino Benitez Airport (SCL) is an option when leaving from London Heathrow Airport (LHR).

  • Located around 31 kilometres from central London, LHR can be reached in about 55 minutes by car (depending on traffic). The journey by public transport takes roughly 1 hour.

  • Want a stress-free start to your trip? Stay near London Heathrow Airport. Whether you've booked an early flight from London to Salgado Filho International Airport or aren't a fan of being rushed, these hotels have you covered:

  • When it comes to the on-time performance of London Heathrow Airport, data shows 68.18% of flights meet their scheduled arrival time.

London Gatwick Airport (LGW)

  • You can arrive at LGW from the centre of London in about 1 hour 20 minutes by car, depending on traffic conditions. The journey on public transport will take roughly 30 minutes to cover the 80 kilometres or so.

  • Flying off with the first light? Think about staying at one of these hotels near London Gatwick Airport the day before your London to POA flight:

  • 69.26% of flights taking off from London Gatwick Airport make it to their destination as expected.

Stansted Airport (STN)

  • From central London, STN is around 64 kilometres away. It'll take you roughly 1 hour to get to the airport by car and 1 hour 25 minutes or so if you're on public transport.

  • Relax in bed for a little longer and still make your London to Salgado Filho International Airport flight without having to rush. These hotels near Stansted Airport make getting to the terminal a breeze if you're jetting off early:

  • Airports have an on-time performance rating that measures how often flights arrive without delays. At STN, that figure is 64.73%.

About Salgado Filho International Airport (POA)

Getting from Salgado Filho International Airport (POA) to central Porto Alegre

  • Salgado Filho International Airport to the centre of Porto Alegre is about 6 kilometres. If you're renting a car or taking a cab, plan ahead to make your trip as smooth as possible. Journey times can vary based on traffic and the time of day.

  • Travelling on public transport will take you around 50 minutes.

How to find the cheapest flights from London to Salgado Filho International Airport (POA)

  • R 7,262 is the best price for a one-way ticket from London to Salgado Filho International Airport. A return flight starts from R 14,801. These prices can change based on availability and demand.

  • Booking in advance is often the key to scoring a cheap flight from London to POA. Prices tend to rise as demand increases, so the closer your departure date, the more expensive your ticket may be.

  • Cheap London to Salgado Filho International Airport tickets are easier to find when your travel dates are flexible. Use the 'Whole month' search tool to compare fares across each month and then fly out on the cheapest day.

  • Save time looking for cheap plane tickets from London to POA by setting up a Price Alert. We'll send you an email or notification on the app when prices go down.

  • Filters make it easier to snap up a deal on your flight from London to Salgado Filho International Airport. Pick the departure times, airlines and number of stops that match your plans. Then sort the results by 'Cheapest' to find the lowest price right away.

The best time to fly from London to Salgado Filho International Airport (POA)

  • Picture the kind of break you want when deciding when to fly. May is the quietest month to go to Porto Alegre. October is when most people book flights from London to Salgado Filho International Airport (POA), which may be ideal if you're after more action.

  • Lock in a London to POA plane ticket departing in January if you want to explore the city during its warmest month. You can expect temperatures in Porto Alegre to range from 17ºC (63ºF) to 34ºC (93ºF).

  • July sees temperatures of between 8ºC (46ºF) and 23ºC (73ºF). Search for cheap tickets from London to Salgado Filho International Airport around that time if you want to travel in cooler conditions.

More about Porto Alegre

Explore more of Brazil

  • You've visited Porto Alegre, now it's time to explore other corners of Brazil. Travel about 225 kilometres south-west to Pelotas to check off its top attractions. From Grande Hotel de Pelotas to Centro histórico de Pelotas and Praça Dom Joaquim, you've got a jam-packed schedule ahead.

  • Santa Maria is another sought-after destination in Brazil and is around 257 kilometres west of Porto Alegre. No journey is complete without seeing Memorial of Japanese Immigration and Culture, Municipal Park Hills and Calçadão Salvador Isaia.

Plan the rest of your trip from London to Porto Alegre

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.