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Cheap Flights from Porto Alegre (POA) to London (LOND)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Porto Alegre to London flight deals

      Find the cheapest month or even day of the year to fly to London

      Book the best London fare with no extra fees

      Flight deals from Porto Alegre to London

      Looking for a cheap last-minute deal or the best return flight from Porto Alegre Airport to London? If you want to travel next month, return fares start from $1,804. Find the lowest prices on one-way and return tickets right here.
      London.$1,422 per passenger.Departing Fri, 30 Oct, returning Tue, 3 Nov.Return flight with LATAM Airlines and Wizz Air UK.Outbound indirect flight with LATAM Airlines, departs from Porto Alegre on Fri, 30 Oct, arriving in London Stansted.Inbound indirect flight with Wizz Air UK, departs from London Gatwick on Tue, 3 Nov, arriving in Porto Alegre.Price includes taxes and charges.From $1,422, select.
      London.$1,506 per passenger.Departing Tue, 27 Oct, returning Wed, 10 Mar.Return flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from Porto Alegre on Tue, 27 Oct, arriving in London Heathrow.Inbound indirect flight with LATAM Airlines, departs from London Heathrow on Wed, 10 Mar, arriving in Porto Alegre.Price includes taxes and charges.From $1,506, select.
      London.$1,515 per passenger.Departing Sat, 7 Nov, returning Thu, 12 Nov.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Porto Alegre on Sat, 7 Nov, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departs from London Heathrow on Thu, 12 Nov, arriving in Porto Alegre.Price includes taxes and charges.From $1,515, select.
      London.$1,515 per passenger.Departing Sat, 28 Nov, returning Thu, 31 Dec.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Porto Alegre on Sat, 28 Nov, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departs from London Heathrow on Thu, 31 Dec, arriving in Porto Alegre.Price includes taxes and charges.From $1,515, select.
      London.$1,515 per passenger.Departing Sun, 16 Aug, returning Sun, 23 Aug.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Porto Alegre on Sun, 16 Aug, arriving in London Gatwick.Inbound indirect flight with TAP Air Portugal, departs from London Heathrow on Sun, 23 Aug, arriving in Porto Alegre.Price includes taxes and charges.From $1,515, select.
      London.$1,516 per passenger.Departing Tue, 1 Dec, returning Fri, 25 Dec.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Porto Alegre on Tue, 1 Dec, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departs from London Heathrow on Fri, 25 Dec, arriving in Porto Alegre.Price includes taxes and charges.From $1,516, select.
      London.$1,525 per passenger.Departing Sat, 12 Dec, returning Mon, 1 Mar.Return flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from Porto Alegre on Sat, 12 Dec, arriving in London Heathrow.Inbound indirect flight with LATAM Airlines, departs from London Heathrow on Mon, 1 Mar, arriving in Porto Alegre.Price includes taxes and charges.From $1,525, select.
      London.$1,530 per passenger.Departing Tue, 18 Aug, returning Sun, 6 Sep.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Porto Alegre on Tue, 18 Aug, arriving in London Gatwick.Inbound indirect flight with TAP Air Portugal, departs from London Heathrow on Sun, 6 Sep, arriving in Porto Alegre.Price includes taxes and charges.From $1,530, select.
      London.$1,537 per passenger.Departing Sat, 6 Feb, returning Wed, 17 Feb.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Porto Alegre on Sat, 6 Feb, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departs from London Gatwick on Wed, 17 Feb, arriving in Porto Alegre.Price includes taxes and charges.From $1,537, select.
      London.$1,538 per passenger.Departing Sat, 6 Mar, returning Wed, 17 Mar.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Porto Alegre on Sat, 6 Mar, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departs from London Gatwick on Wed, 17 Mar, arriving in Porto Alegre.Price includes taxes and charges.From $1,538, select.
      London.$1,540 per passenger.Departing Fri, 4 Dec, returning Sat, 16 Jan.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Porto Alegre on Fri, 4 Dec, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departs from London Heathrow on Sat, 16 Jan, arriving in Porto Alegre.Price includes taxes and charges.From $1,540, select.
      London.$1,545 per passenger.Departing Fri, 19 Feb, returning Mon, 1 Mar.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Porto Alegre on Fri, 19 Feb, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departs from London Gatwick on Mon, 1 Mar, arriving in Porto Alegre.Price includes taxes and charges.From $1,545, select.
      London.$1,552 per passenger.Departing Tue, 16 Feb, returning Sat, 1 May.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Porto Alegre on Tue, 16 Feb, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departs from London Heathrow on Sat, 1 May, arriving in Porto Alegre.Price includes taxes and charges.From $1,552, select.
      London.$1,639 per passenger.Departing Thu, 15 Oct, returning Tue, 20 Oct.Return flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from Porto Alegre on Thu, 15 Oct, arriving in London Heathrow.Inbound indirect flight with LATAM Airlines, departs from London Heathrow on Tue, 20 Oct, arriving in Porto Alegre.Price includes taxes and charges.From $1,639, select.
      London.$1,646 per passenger.Departing Tue, 23 Mar, returning Fri, 23 Apr.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Porto Alegre on Tue, 23 Mar, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departs from London Heathrow on Fri, 23 Apr, arriving in Porto Alegre.Price includes taxes and charges.From $1,646, select.
      London.$1,655 per passenger.Departing Fri, 29 Jan, returning Tue, 2 Mar.Return flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from Porto Alegre on Fri, 29 Jan, arriving in London Heathrow.Inbound indirect flight with LATAM Airlines, departs from London Heathrow on Tue, 2 Mar, arriving in Porto Alegre.Price includes taxes and charges.From $1,655, select.

      Find the cheapest month to fly from Porto Alegre to London

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto Alegre to London flights are currently cheapest in August.
      Aug
      from $1,515
      Sep
      from $1,804
      Oct
      from $1,639
      Nov
      from $1,515
      Dec
      from $1,516
      Jan
      from $1,926
      Feb
      from $1,537
      Mar
      from $1,538
      Apr
      from $1,738
      May
      from $1,802
      Jun
      from $1,746
      Jul
      from $1,932

      Alternative Porto Alegre to London routes

      Looking for the cheapest, fastest or easiest route from Porto Alegre to London? You could fly into the following airports instead.

      London City

      12km from central London
      Closest
      Search flights

      London Heathrow

      23km from central London
      from $1,506
      Search flights

      London Gatwick

      40km from central London
      from $1,514
      Search flights

      London Luton

      45km from central London
      from $1,625
      Search flights

      London Stansted

      49km from central London
      Cheapest
      from $1,441
      Search flights

      London Southend

      57km from central London
      Search flights

      Porto Alegre to London: Flight information

      The things to know before you go.
      Cheapest flight found$1,422
      Cheapest month to flyOctober

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

      There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
      The best price we found for a return flight from Porto Alegre to London is $1,422. 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 Porto Alegre to London. But we found flights with one or more stops from $1,422.
      As of August 2026, there are no flights flying from Porto Alegre to London.
      The cheapest month to fly from Porto Alegre to London is usually October.
      If you're flying from Porto Alegre Airport, the cheapest airport near London is London Stansted – which is 48.7 km away from the centre of London. We've found flights into this airport from $1,422.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Alegre Airport to London on Friday, 30 October 2026.
      No airlines currently offer direct flights between Porto Alegre Airport and London. 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 London 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 London is around 40 days in advance, so don’t leave your flight to the last minute.

      In August, the average temperature is usually around 17°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
      Currently, LATAM Airlines offers the cheapest flight tickets to London.

      Travelling from Porto Alegre Salgado Filho International Airport (POA) to London: what you need to know

      • Porto Alegre Salgado Filho International Airport is located in Porto Alegre. Based in the UTC+0 timezone, London is three hours ahead of Porto Alegre.

      • For a relaxed start to your POA to London flight, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

      • Travelling over a peak time like August? Public holidays and other high seasons can lead to longer queues and delays at security. Play things extra safe and get there up to four hours before an international flight and two hours before domestic departures.

      • The journey from central Porto Alegre to POA takes around 35 minutes on public transport. If you ride-share, drive or take a taxi, you'll cover the 6 kilometres in 20 minutes or so, depending on traffic conditions.

      • Searching for a hotel near POA? If you're boarding an early flight from Porto Alegre Salgado Filho International Airport to London, these stays set you up for a seamless send-off:

      • 78% of flights that leave from Porto Alegre Salgado Filho International Airport make it to their destination on time.

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

      • $673 is the cheapest price we've found for a one-way Porto Alegre Salgado Filho International Airport to London flight. A return plane ticket right now is $1,422. Depending on the availability and when you book, these fares could change.

      • Booking early is often the key to finding a cheap flight from POA to London. Flight prices rise as demand increases, so the closer your departure date, the more it could cost you.

      • The 'Whole month' tool will show you the cheapest tickets from Porto Alegre Salgado Filho International Airport to London across every month. It's an easy way to find a bargain if your dates aren't set in stone.

      • You don't need to check every day to find out if fares have dropped when you set up a Price Alert. We'll notify you the moment there's an extra saving on cheap flights from POA to London.

      • Snag an affordable flight from Porto Alegre Salgado Filho International Airport to London with the help of our filters. Choose your preferred times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

      Airports in London

      London Heathrow Airport (LHR)

      • London Heathrow Airport (LHR) to the centre of London takes about 45 minutes to reach by car. The centre is roughly 24 kilometres away.

      • When travelling by public transport, expect a journey time of around 25 minutes.

      • Think about booking a hotel close to LHR if you're coming in on a late flight from Porto Alegre Salgado Filho International Airport to London. Choose one of these accommodation options and make your first night all about catching up on rest:

      • To lock in the lowest price, book your ride from London Heathrow Airport about one week ahead of your flight from POA to London.

      London Gatwick Airport (LGW)

      • London Gatwick Airport (LGW) is about 48 kilometres from the centre of London. After your flight from Porto Alegre Salgado Filho International Airport to London, it'll take you around 1 hour 5 minutes to get to the heart of the city in a taxi or ride-share.

      • If you choose to travel on public transport, the journey will take you 1 hour 20 minutes or so.

      • Hang up the 'Do not disturb' sign and relax at a hotel near LGW. Here are a few options where you can check in after your POA to London flight:

      • Score the best price by reserving your ride from LGW three weeks in advance. You can also expect to have a bigger selection of vehicles.

      London Stansted Airport (STN)

      • London Stansted Airport (STN) is around 56 kilometres from central London. It takes about 1 hour 5 minutes to reach the city centre by ride-share or taxi once you've stepped off your flight from Porto Alegre Salgado Filho International Airport to London.

      • If you go by public transport, expect a journey of about 45 minutes.

      • If you don't want to travel to the centre, find a hotel near STN. Settle in at one of these stays after your POA to London flight:

      • If you're looking for a specific model or make, book your ride from STN about four weeks ahead of your flight from Porto Alegre Salgado Filho International Airport to London. This improves your chances of getting the car you prefer, along with a better price.

      Best time to go to London

      • It's time to figure out your trip dates for your flight from Porto Alegre Salgado Filho International Airport to London. July is the busiest month to travel to London. If you like a quieter atmosphere, go in January.

      • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Lock in your Porto Alegre Salgado Filho International Airport to London plane ticket then if that's the weather you find most pleasant.

      • January has average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for a cheap ticket from POA to London around that time if you like travelling in cooler conditions.

      More about London

      • When it comes to looking for somewhere to lay your head, you'll find the most popular stays in London right here. Explore these options once you've booked your flight from Porto Alegre Salgado Filho International Airport to London:

      • There are so many things to do and see in this city it can be hard to know where to begin. Westminster Abbey, The British Museum and Big Ben are top sights which should be on every London itinerary.

      Explore more of the United Kingdom

      • Manchester is just one of the many cities in the United Kingdom waiting to be explored after you've experienced London. Around 257 kilometres away to the northwest, top sights here include Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.

      • Birmingham is another favourite destination in the United Kingdom and is around 161 kilometres northwest of London. No journey is complete without experiencing Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.

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      Plan the rest of your trip from Porto Alegre to London

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