Cheap flights from Porto Alegre to London Heathrow

Compare Porto Alegre to London Heathrow flight deals

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

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Flight deals from Porto Alegre to London Heathrow

Looking for a cheap last-minute deal or the best round-trip flight from Porto Alegre Airport to London Heathrow Airport? If you want to travel next month, round-trip fares start from $1,143. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Porto Alegre to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto Alegre to London Heathrow flights are currently cheapest in November.

Porto Alegre to London: Flight information

The things to know before you go.
Cheapest flight found$1,062
Cheapest month to flyNovember

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

The best price we found for a round-trip flight from Porto Alegre to London Heathrow is $1,062. 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 Heathrow. But we found flights with one or more stops from $1,062.
There are no flights flying from Porto Alegre to London Heathrow, as of May 2026.
The cheapest month to fly from Porto Alegre to London Heathrow is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Alegre Airport to London Heathrow Airport on Friday, November 13, 2026.
No airlines currently offer direct flights between Porto Alegre Airport and London Heathrow 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 London Heathrow 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.
Currently, LATAM Airlines offers the cheapest flight tickets to London Heathrow.

Traveling from Salgado Filho International Airport (POA) to London Heathrow Airport (LHR): what you need to know

  • London's timezone is UTC+0, making London three hours ahead of Porto Alegre.

  • Get to the airport on time so you don't miss your POA to LHR flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • During popular months such as June, it's a good idea to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you fly during a high season in general.

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

  • $459 is currently the lowest price for a one-way Salgado Filho International Airport to London Heathrow Airport flight. A return flight starts from $1,062. These prices may change based on demand.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from POA to LHR if you book in advance. Airlines often offer some fantastic early bird discounts.

  • The 'Whole month' tool shows you the cheapest flights from Salgado Filho International Airport to London Heathrow Airport throughout the entire month. It's a great way to snap up a bargain if your travel plans aren't set in stone.

  • Picking up cheap flights from POA to LHR is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when fares go down.

  • Select your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Salgado Filho International Airport to London Heathrow Airport.

Handy information about Salgado Filho International Airport (POA)

  • Of the departures from Salgado Filho International Airport, 76.68% land on schedule at their destination.

  • To reach Salgado Filho International Airport from central Porto Alegre, it takes about 20 minutes by car. Of course, this depends on traffic. It's approximately 11 kilometers from the airport to the city center.

  • You can expect a trip time of about 50 minutes on public transport.

  • Need a handy hotel near POA? If you're catching an early flight from Salgado Filho International Airport to London Heathrow Airport, these accommodation options will have you moments from your departure gate:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport is approximately 31 kilometers from the center of London. The drive time takes about 55 minutes.

  • It'll take around 1 hour to get there using public transport.

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Salgado Filho International Airport to London Heathrow Airport is February, while July is the most popular. Choose the ideal time to go to London based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Lock in your flights from Salgado Filho International Airport to London Heathrow Airport in this month if this is the kind of weather you like.

  • January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from POA to LHR sometime then if you like traveling in cooler conditions.

Explore more of United Kingdom

  • Birmingham is just one of the many places in United Kingdom waiting to be discovered after you've experienced London. Around 161 kilometers away to the north-west, its top attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another well-known destination in United Kingdom and is around 177 kilometers west of London. No journey is complete without dropping by Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

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