Question 1

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

Accepted Answer

Sao Paulo (GRU) – chosen by Cheapflights users on 76% of one-stop itineraries from London to Porto Alegre on Cheapflights.

Question 2

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

Accepted Answer

Flights via Sao Paulo (GRU) have the shortest average one-way travel time for one-stop routes: 16h 00m.

Question 3

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

Accepted Answer

Flights via Sao Paulo (GRU) offer the fastest connection on this route, with an average stopover time of 2h 51m.

Question 4

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

Accepted Answer

Sao Paulo (GRU) is the most affordable one-stop option, with an average return flight price of £852.

Question 5

How long is the flight from London to Porto Alegre?

Accepted Answer

There are many flights that can get you from London to Porto Alegre in 22h. Fly via KLM, TAP AIR PORTUGAL, or Air Europa to get the fastest option. The distance between London 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 to Porto Alegre round-trip?

Accepted Answer

TAP AIR PORTUGAL, at £631, was found to be the cheapest airline from London to Porto Alegre.Alternate airlines flying return to your destination include Air France and LATAM Airlines. These flights start at 29% lower than the current average price 3 months from now.

Question 7

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

Accepted Answer

The best time to book flights from London to Porto Alegre is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 8

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

Accepted Answer

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

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 routes from London to Porto Alegre?

Accepted Answer

The most popular route from London to Porto Alegre is London Heathrow - Porto Alegre Salgado Filho. You may also consider London City - Porto Alegre Salgado Filho or London Gatwick - Porto Alegre Salgado Filho.

Question 12

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

Accepted Answer

When booking a flight from London to Porto Alegre, you may want to consider flying on Air France, LATAM Airlines or TAP AIR PORTUGAL as they are the most popular for this route.

Question 13

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

Accepted Answer

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 21% on your flight compared to booking on days when demand is much higher.

Question 14

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

Accepted Answer

Find a great deal and save up to 49% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London to Porto Alegre within the next two weeks, with the cheapest ticket starting at £748.

Question 15

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

Accepted Answer

The best pricing can be found in the month of October. Prices to Porto Alegre from London average £895. You can even find prices in October for less than £895, as users have found deals to Porto Alegre from as low as £603. The month of July appears to be one of the more expensive times to travel to Porto Alegre from London. Flying in the targeted month can save you up to 46%.

Question 16

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

Accepted Answer

It’s optimal to fly from London to Porto Alegre in the morning. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the afternoon.

Question 17

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

Accepted Answer

If you book a flight to Porto Alegre from London, you will be flying to Salgado Filho, which is the city’s only airport. Porto Alegre Salgado Filho (POA) is located 4.0 mi from the center of Porto Alegre. There are 0 flights from London to Salgado Filho per day from 3 different airlines.

Question 18

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

Accepted Answer

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

Question 19

How can I find direct flights from London 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 London to Porto Alegre.

Question 20

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

Accepted Answer

Yes. Cheapflights offers flight deals from London 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 21

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

Accepted Answer

Cheapflights makes it easy to find London to Porto Alegre flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 22

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

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from London to Porto Alegre for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 23

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

Accepted Answer

Yes, we can. To see specific flights from London to Porto Alegre with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 24

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

Accepted Answer

Yes, Cheapflights offers price alerts on London to Porto Alegre flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£690
One-way from	£423
Popular in	July
Cheapest in	October
Average price	£1,075

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest£631	Average£929	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	Cheapest£644	Average£753	FlexibilityNo cancel fee	On-time77%	Search Air France flights
LATAM Airlines	Cheapest£705	Average£947	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights

Cheap flights from London to Porto Alegre from £423

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to Porto Alegre Salgado Filho are usually found in October or May, booked 80 days in advance, depart on a Thursday or Tuesday and return on a Friday

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Cheapest flights from London to Porto AlegreExplore the most affordable flight options available from London to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Explore the most affordable flight options available from London to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

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Best time to book a flight from London to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from London with our price prediction graph.

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

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

Use this chart to determine the optimal time to book a return flight from London to Porto Alegre. Price data was last updated on 8 August 2025.

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

Find hourly flight availability from London 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 22 August 2025.

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

Share of one-stop return flights from London to Porto Alegre chosen by Cheapflights users in the past 12 months, using the same stopover each way.

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

Average return fare for one-stop flights from London to Porto Alegre, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

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

Shortest average travel time for one-stop one-way flights from London to Porto Alegre, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

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

Average stopover duration for one-stop one-way flights from London to Porto Alegre, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Porto Alegre

Get a feel of what it's like to fly with KLM, LATAM Airlines, andTAP AIR PORTUGAL from London to Porto Alegre by reading reviews from past customers. Users have also rated airlines 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 London 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?

How long is the flight from London to Porto Alegre?

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

What are the most popular routes from London to Porto Alegre?

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

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

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

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Alternative routes for London to Porto Alegre

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Top 3 airlines flying from London to Porto Alegre

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

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

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

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

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Cheapest flights from London to Porto Alegre
Explore the most affordable flight options available from London to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.