Question 1

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 Air France. Our recent data shows that you can find tickets from as low as £715 on this airline. Additional options worth looking into are Lufthansa and LATAM Airlines, starting at £725 and £798 round-trip. You may be able to fly from London Heathrow Airport to Porto Alegre for 28% less than the average price by searching for these airlines.

Question 2

What are the cheapest airlines to fly from London Heathrow Airport to Porto Alegre one-way?

Accepted Answer

One-way options have recently been found by users for as low as £609 on Air France. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £619 and LATAM Airlines from £681 one-way.

Question 3

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 4

What is the cheapest day to fly from London Heathrow Airport to Porto Alegre?

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to Porto Alegre flight should consider departing on Saturday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 5

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 6

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 7

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

Accepted Answer

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

Question 8

What is the cheapest day to fly round-trip from London Heathrow Airport to Porto Alegre?

Accepted Answer

Users have found that flying from London Heathrow Airport to Porto Alegre on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Question 9

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

Accepted Answer

To save up to 49% on this flight, we recommend booking at least 57 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Porto Alegre from £740 1-2 weeks out and tickets from £1,009 for flights departing within the next 72 hours.

Question 10

What is the cheapest month to fly from London Heathrow Airport to Porto Alegre?

Accepted Answer

Our data shows that October tends to be the cheapest month to fly to Porto Alegre from London Heathrow Airport. Users have commonly found prices around £887 for the month, but tickets can be as low as £597. Due to multiple factors, prepare for potentially higher prices in July.

Question 11

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

Accepted Answer

Unlike at midday, when flights are generally more expensive, you can save up to 31% on flights from London Heathrow Airport to Porto Alegre by exploring options for tickets in the morning.

Question 12

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 3 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 13

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 14

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 15

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 16

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 17

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 18

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 19

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	£686
One-way from	£383
Popular in	August
Cheapest in	March
Average price	£1,304

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest£624	Average£899	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	Cheapest£637	Average£745	FlexibilityNo cancel fee	On-time77%	Search Air France flights
LATAM Airlines	Cheapest£696	Average£908	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights

Cheap flights from London Heathrow Airport to Porto Alegre from £383

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Porto Alegre Salgado Filho are usually found in March or February, booked 13 days in advance, depart on a Monday or Thursday and return on a Monday

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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 11 July 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 11 July 2025.

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Best time to book a flight from Heathrow to Porto Alegre

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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?

Use this chart to determine the optimal time to book a return flight from Heathrow to Porto Alegre. Price data was last updated on 27 June 2025.

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

Find hourly flight availability from Heathrow to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

Reviews of airlines servicing Porto Alegre

Check out reviews from past customers who have flown with KLM, Air France, andLATAM Airlines from London Heathrow Airport to Porto Alegre to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

What are the cheapest airlines to fly from London Heathrow Airport to Porto Alegre one-way?

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?

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Alternative routes for Heathrow to Porto Alegre

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Top 3 airlines flying from Heathrow to Porto Alegre

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

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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 11 July 2025.