Question 1

What’s the cheapest stopover airport for flights from London Heathrow Airport to Porto Alegre?

Accepted Answer

Sao Paulo (GRU) is the most affordable one-stop option, with an average return flight price of £1,001.

Question 2

What’s the top stopover airport for flights from London Heathrow Airport to Porto Alegre?

Accepted Answer

Sao Paulo (GRU) – chosen by Cheapflights users on 73% of one-stop itineraries from London Heathrow Airport to Porto Alegre on Cheapflights.

Question 3

What’s the fastest stopover option from London Heathrow Airport to Porto Alegre?

Accepted Answer

Flights via Sao Paulo (GRU) have the shortest average one-way travel time for one-stop routes: 16h 11m.

Question 4

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Porto Alegre?

Accepted Answer

Flights via Sao Paulo (GRU) offer the fastest connection on this route, with an average stopover time of 2h 46m.

Question 5

How long is the flight from London Heathrow Airport to Porto Alegre?

Accepted Answer

For as low as £838, LATAM Airlines can have you in Porto Alegre from London Heathrow Airport in 20h 10m. The distance between London Heathrow Airport and Porto Alegre is about 6410 mi. Both multi-stop and direct flights can be found to your destination and back.

Question 6

What are the cheapest airlines flying from London Heathrow Airport to Porto Alegre round-trip?

Accepted Answer

Our cheapest airline available from London Heathrow Airport to Porto Alegre is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as £629 on this airline. Additional options worth looking into are Air France and LATAM Airlines, starting at £641 and £701 round-trip. You may be able to fly from London Heathrow Airport to Porto Alegre for 32% less than the average price by searching for these airlines.

Question 7

How far ahead should I book a flight from London Heathrow Airport to Porto Alegre?

Accepted Answer

The price you pay for your flight from London Heathrow Airport to Porto Alegre may vary depending on when you book. For the best chance of a lower fare, look to book 13 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 8

What is the cheapest month to book a flight from London Heathrow Airport to Porto Alegre?

Accepted Answer

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Porto Alegre (average of £583). Flying from London Heathrow Airport to Porto Alegre in August is currently the most expensive (average of £963). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 9

E

Accepted Answer

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.

Question 10

E

Accepted Answer

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).

Question 11

What are the most popular airlines that fly from London Heathrow Airport to Porto Alegre?

Accepted Answer

Consider LATAM Airlines, TAP AIR PORTUGAL or Virgin Atlantic when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to Porto Alegre.

Question 12

What is the cheapest time of day to fly from LHR to POA?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Porto Alegre as you normally would.

Question 13

What airport do you fly into for flights to Porto Alegre from London Heathrow?

Accepted Answer

Porto Alegre Salgado Filho (POA) is the airport you will fly into if you book a flight from London Heathrow to Porto Alegre. You should not have trouble finding flights to Salgado Filho from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Porto Alegre airport from London Heathrow. It is only a 4.0 mi journey from Salgado Filho (POA) to Porto Alegre’s city center.

Question 14

Can I find deals for flights from Heathrow to Porto Alegre that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Heathrow to Porto Alegre flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 15

How can I find direct flights from Heathrow to Porto Alegre?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Porto Alegre.

Question 16

Can I find deals for business class flights from Heathrow to Porto Alegre?

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 17

How does Cheapflights help users find flights from Heathrow to Porto Alegre?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Porto Alegre from Heathrow today with Cheapflights!

Question 18

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Porto Alegre?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Porto Alegre.

Question 19

Can Cheapflights find flights from Heathrow to Porto Alegre with no change fees?

Accepted Answer

Certainly. Search results for flights to Porto Alegre from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 20

Can Cheapflights notify me if prices for flights from Heathrow to Porto Alegre become cheaper?

Accepted Answer

Of course! You can now track prices for flights from Heathrow to Porto Alegre and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	£797
One-way from	£520
Popular in	July
Cheapest in	April
Average price	£1,116

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest£629	Average£919	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	Cheapest£641	Average£698	FlexibilityNo cancel fee	On-time77%	Search Air France flights
LATAM Airlines	Cheapest£701	Average£991	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights
Virgin Atlantic	Cheapest£1,115	Average£1,569	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Cheap flights from London Heathrow Airport to Porto Alegre from £520

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Porto Alegre

Cheapest flights from Heathrow to Porto AlegreExplore the most affordable flight options available from Heathrow to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 December 2025.

Explore the most affordable flight options available from Heathrow to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 December 2025.

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Everything you need to know about your flight from London Heathrow Airport to Porto Alegre

How far ahead should I book a flight from London Heathrow Airport to Porto Alegre?

What is the cheapest month to book a flight from London Heathrow Airport to Porto Alegre?

What’s the top stopover airport for flights from London Heathrow Airport to Porto Alegre?

What’s the cheapest stopover airport for flights from London Heathrow Airport to Porto Alegre?

What’s the fastest stopover option from London Heathrow Airport to Porto Alegre?

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Porto Alegre?

Reviews of airlines servicing Porto Alegre

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Porto Alegre from London Heathrow?

How long is the flight from London Heathrow Airport to Porto Alegre?

What are the cheapest airlines flying from London Heathrow Airport to Porto Alegre round-trip?

Can I find deals for flights from Heathrow to Porto Alegre that include hotel bookings?

How can I find direct flights from Heathrow to Porto Alegre?

Can I find deals for business class flights from Heathrow to Porto Alegre?

What is the cheapest month to book a flight from London Heathrow Airport to Porto Alegre?

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Alternative routes for Heathrow to Porto Alegre

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Top 4 airlines flying from Heathrow to Porto Alegre

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How does Cheapflights help users find flights from Heathrow to Porto Alegre?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Porto Alegre?

Can Cheapflights find flights from Heathrow to Porto Alegre with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Porto Alegre become cheaper?

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Cheapest flights from Heathrow to Porto Alegre
Explore the most affordable flight options available from Heathrow to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 December 2025.