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

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Flight deals from London to Porto Alegre

Looking for a cheap last-minute deal or the best return flight from London to Porto Alegre Airport? If you want to travel next month, return fares start from R 21,607. Find the lowest prices on one-way and return tickets right here.

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 November.

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 8,663
Cheapest month to flyNovember

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 15,934. 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 15,947.
As of June 2026, there are no flights flying from London to Porto Alegre.
The cheapest month to fly from London to Porto Alegre is usually November.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Porto Alegre Airport on Tuesday, 24 November 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 Porto Alegre Salgado Filho International Airport (POA): What you need to know

  • Porto Alegre Salgado Filho International Airport is located in Porto Alegre. The city runs on the UTC-3 timezone and is three hours behind London.

  • Arrive at the airport on time so you don't miss your flight from London to POA. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • During popular months like July, it's a good idea to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead of international flights when you fly during a peak period in general.

Airports in London

London Heathrow Airport (LHR)

  • You might be able to make your cheap flight from London to POA even cheaper with a stopover. Just deselect 'Direct flights only' during your search to discover where you could make a quick stop. Santiago Arturo Merino Benitez Intl Airport (SCL) is an option when leaving from London Heathrow Airport (LHR).

  • Located around 24 kilometres from central London, LHR can be reached in about 45 minutes by car, depending on traffic. The journey by public transport takes roughly 25 minutes.

  • In search of a comfortable hotel close to London Heathrow Airport? If you've booked an early flight from London to Porto Alegre Salgado Filho International Airport, these accommodation options will have you sleeping moments from your departure gate:

  • When it comes to London Heathrow Airport's on-time performance, data shows 78% of flights arrive within the scheduled time frame.

London Gatwick Airport (LGW)

  • With public transport, you can travel from central London to LGW in about 1 hour 20 minutes. The terminal is roughly 48 kilometres away, and getting there by car will take approximately 1 hour 5 minutes.

  • Want to treat yourself to an extra night away before your London to POA flight? Check in to a hotel near London Gatwick Airport before your trip officially starts. Here's where you can stay:

  • London Gatwick Airport is known for its commitment to punctuality. 82% of flights taking off from here arrive right on target.

London Stansted Airport (STN)

  • STN is roughly 56 kilometres from central London. Driving from the city centre to the terminal takes about 1 hour 5 minutes. If you're considering public transport, expect a journey of around 45 minutes.

  • Take the 'what ifs' out of departure day — stay near London Stansted Airport and know you'll be at your gate with time to spare. Check in to one of these hotels the day before if you have an early London to Porto Alegre Salgado Filho International Airport flight:

  • STN has an on-time performance rate of 80%. This means the majority of its flights touch down on schedule and your travel plans stay on track.

About Porto Alegre Salgado Filho International Airport (POA)

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

  • Central Porto Alegre is around 10 kilometres from Porto Alegre Salgado Filho International Airport and takes about 20 minutes to reach by car. See what your options are for heading into the city, whether that's with a car hire, taxi or ride-share.

  • If you're travelling on public transport, expect a journey time of roughly 35 minutes.

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

  • Currently, R 8,663 is the lowest price we've found for a one-way ticket from London to Porto Alegre Salgado Filho International Airport. The cheapest price for a return flight is R 15,947. Remember fares may change due to availability at the time of booking.

  • Booking early is often the key to finding a cheap flight from London to POA. Fares tend to rise as demand increases, so the closer your departure date, the more you'll likely spend.

  • The 'Whole month' search tool shows you the cheapest London to Porto Alegre Salgado Filho International Airport tickets across every month. It's a great way to snap up a bargain if your plans aren't set in stone.

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

  • Tailor your travel plans using filters. Choose your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from London to Porto Alegre Salgado Filho International Airport.

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

  • August is when most people book flights from London to Porto Alegre Salgado Filho International Airport (POA). Visit Porto Alegre in December for a quieter experience.

  • The warmest month in Porto Alegre is February, with temperatures ranging between 19ºC (66ºF) and 34ºC (93ºF). Lock in your London to POA plane ticket then if that's your idea of comfortable weather.

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

More about Porto Alegre

Explore more of Brazil

  • Pelotas is just one of the many places in Brazil waiting to be discovered once you've seen the sights of Porto Alegre. Around 225 kilometres away to the southwest, well-known attractions include Charqueada Coqueiros, Catedral Metropolitana de Sao Francisco de Paula and Casarao 8 - Museu do Doce.

  • Santa Maria is another favourite destination in Brazil and is around 257 kilometres west of Porto Alegre. No journey is complete without dropping by Memorial of Japanese Immigration and Culture, Santa Maria Art Museum and Catedral Metropolitana Nossa Senhora da Imaculada Conceicao.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.